Abd-El Baki GK, Siefritz F, Man H-M, Weiner H, Kaldenhoff R, Kaiser WM 2000 Nitrate reductase in Zea mays L. under salinity. Plant Cell Environ. 23: 515-521.

Abee T, Palmen R, Hellingwerf KJ, Konings WN 1990 Osmoregulation in Rhodobacter sphaeroides. J. Bacteriol. 172: 149-154.

Ainsworth EA, Rogers A, Leakey AD, Heady LE, Gibon Y, Stitt M, Schurr U 2007 Does elevated atmospheric [CO2] alter diurnal C uptake and the balance of C and N metabolites in growing and fully expanded soybean leaves? J. Exp. Bot. 58: 579-591.

Albrecht J, Sonnewald U, Waagepetersen HS, Schousboe A 2007 Glutamine in the central nervous system: function and dysfunction. Front. Biosci. 12: 332-343.

Alfieri RR, Cavazzoni A, Petronini PG, Bonelli MA, Caccamo AE, Borghetti AF, Wheeler KP 2002 Compatible osmolytes modulate the response of porcine endothelial cells to hypertonicity and protect them from apoptosis. J. Physiol. 540: 499-508.

Alfieri RR, Petronini PG, Bonelli MA, Desenzani S, Cavazzoni A, Borghetti AF, Wheeler KP 2004 Roles of compatible osmolytes and heat shock protein 70 in the induction of tolerance to stresses in porcine endothelial cells. J. Physiol. (London) 555: 757-767.

Aloni R, Schwalm K, Langhans M, Ullrich CI 2003 Gradual shifts in sites of free-auxin production during leaf-primordium development and their role in vascular differentiation and leaf morphogenesis in Arabidopsis. Planta 216: 841-853.

Amarasinghe BH, de Bruxelles GL, Braddon M, Onyeocha I, Forde BG, Udvardi MK 1998 Regulation of GmNRT2 expression and nitrate transport activity in roots of soybean (Glycine max). Planta 206: 44-52.

Amaratunga M, Fluhr K, Jarrett JT, Drennan CL, Ludwig ML, Matthews RG, Scholten JD 1996 A synthetic module for the metH gene permits facile mutagenesis of the cobalamin-binding region of Escherichia coli methionine synthase: initial characterization of seven mutant proteins. Biochemistry 35: 2453-2463.

Amir R, Hacham Y, Galili G 2002 Cystathionine gamma-synthase and threonine synthase operate in concert to regulate carbon flow towards methionine in plants. Trends Plant Sci. 7: 153-157.

Aoki N, Whitfeld P, Hoeren F, Scofield G, Newell K, Patrick J, Offler C, Clarke B, Rahman S, Furbank RT 2002 Three sucrose transporter genes are expressed in the developing grain of hexaploid wheat. Plant Mol. Biol. 50: 453-462.

Aranda A, del Olmo ML 2004 Exposure of Saccharomyces cerevisiae to acetaldehyde induces sulfur amino acid metabolism and polyamine transporter genes, which depend on Met4p and Haa1p transcription factors, respectively. Appl. Environ. Microbiol. 70: 1913-1922.

Ariizumi T, Hatakeyama K, Hinata K, Inatsugi R, Nishida I, Sato S, Kato T, Tabata S, Toriyama K 2004 Disruption of the novel plant protein NEF1 affects lipid accumulation in the plastids of the tapetum and exine formation of pollen, resulting in male sterility in Arabidopsis thaliana. Plant J. 39: 170-181.

Armengaud P, Breitling R, Amtmann A 2004 The potassium-dependent transcriptome of Arabidopsis reveals a prominent role of jasmonic acid in nutrient signaling. Plant Physiol. 136: 2556-2576.

Ashraf M, Bashir A 2003 Salt stress induced changes in some organic metabolites and ionic relations in nodules and other plant parts of two crop legumes differing in salt tolerance. Flora 198: 486-498.

Atkins C 2000 Biochemical aspects of assimilate transfers along the phloem path: N-solutes in lupins. Aust. J. Plant Physiol. 27: 531-537.

Bader AL, Parthasarathy R, Harvey WR 1995 A novel proline, glycine: K+ symporter in midgut brush-border membrane vesicles from larval Manduca sexta. J. Exp. Biol. 198: 2599-2607.

Bai C, Reilly CC, Wood BW 2006 Nickel deficiency disrupts metabolism of ureides, amino acids, and organic acids of young pecan foliage. Plant Physiol. 140: 433-443.

Barkla BJ, Pantoja O 1996 Physiology of ion transport across the tonoplast of higher plants. Annu. Rev. Plant Physiol. Plant Mol. Biol. 47: 159-184.

Barnes D, Lai W, Breslav M, Naider F, Becker JM 1998 PTR3, a novel gene mediating amino acid-inducible regulation of peptide transport in Saccharomyces cerevisiae. Mol. Microbiol. 29: 297-310.

Basset M, Conejero G, Lepetit M, Fourcroy P, Sentenac H 1995 Organization and expression of the gene coding for the potassium transport system AKT1 of Arabidopsis thaliana. Plant Mol. Biol. 29: 947-958.

Bauer BE, Rossington D, Mollapour M, Mamnun Y, Kuchler K, Piper PW 2003 Weak organic acid stress inhibits aromatic amino acid uptake by yeast, causing a strong influence of amino acid auxotrophies on the phenotypes of membrane transporter mutants. Eur. J. Biochem. 270: 3189-3195.

Bayer AS, Coulter SN, Stover CK, Schwan WR 1999 Impact of the high-affinity proline permease gene (putP) on the virulence of Staphylococcus aureus in experimental endocarditis. Infect. Immun. 67: 740-744.

Belitsky BR, Gustafsson MC, Sonenshein AL, Von Wachenfeldt C 1997 An lrp-like gene of Bacillus subtilis involved in branched-chain amino acid transport. J. Bacteriol. 179: 5448-5457.

Bentrup F-W, Hoffmann B 1992 Amino acid transport across the higher plant cell membrane. In "Nitrogen Metabolism of Plants" (K Mengel, DJ Pilbeam eds) Clarendon Press, Oxford, pp. 139-152.

Bermudez Moretti M, Correa Garcia S, Batlle A 1998 UGA4 gene expression in Saccharomyces cerevisiae depends on cell growth conditions. Cell Mol. Biol. (Noisy-Le-Grand) 44: 585-590.

Bermudez Moretti M, Correa Garcia S, Ramos E, Batlle A 1996 Delta-aminolevulinic acid uptake is mediated by the gamma-aminobutyric acid-specific permease UGA4. Cell Mol. Biol. (Noisy-Le-Grand) 42: 519-523.

Bermudez Moretti M, Correa Garcia S, Ramos EH, Batlle A 1995 GABA uptake in a Saccharomyces cerevisiae strain. Cell Mol. Biol. (Noisy-Le-Grand) 41: 843-849.

Bertl A, Anderson JA, Slayman CL, Sentenac H, Gaber RF 1994 Inward and outward rectifying potassium currents in Saccharomyces cerevisiae mediated by endogenous and heterelogously expressed ion channels. Folia Microbiol. (Praha) 39: 507-509.

Betteridge PR, Ayling PD 1976 The regulation of glutamine transport and glutamine synthetase in Salmonella typhimurium. J. Gen. Microbiol. 96: 324-334.

Beuve N, Rispail N, Laine P, Cliquet JB, Ourry A, Le Deunff E 2004 Putative role of gamma-aminobutyric acid (GABA) as a longdistance signal in up-regulation of nitrate uptake in Brassica napus L.. Plant Cell Environ. 27: 1035-1046.

Bhalla J, Storchan GB, MacCarthy CM, Uversky VN, Tcherkasskaya O 2006 Local flexibility in molecular function paradigm. Mol. Cell. Proteomics 5: 1212-1223.

Bhatia NP, Walsh KB, Baker AJ 2005 Detection and quantification of ligands involved in nickel detoxification in a herbaceous Ni hyperaccumulator Stackhousia tryonii Bailey. J. Exp. Bot. 56: 1343-1349.

Bhattacharya J, Singh AK, Rai AN 2002 Nitrogen nutrition in the cyanobacterium Nostoc ANTH, a symbiotic isolate from Anthoceros: Uptake and assimilation of inorganic-N and amino acids. Indian J. Biochem. Biophys. 39: 163-169.

Bick JA, Neelam A, Hall JL, Williams LE 1998 Amino acid carriers of Ricinus communis expressed during seedling development: molecular cloning and expression analysis of two putative amino acid transporters, RcAAP1 and RcAAP2. Plant Mol. Biol. 36: 377-385.

Bilang J, Sturm A 1995 Cloning and characterization of a glutathione S-transferase that can be photolabeled with 5-azido-indole-3-acetic acid. Plant Physiol. 109: 253-260.

Bittner-Eddy PD, Allen RL, Rehmany AP, Birch P, Beynon JL 2003 Use of suppression subtractive hybridization to identify downy mildew genes expressed during infection of Arabidopsis thaliana. Mol. Plant Pathol. 4: 501-507.

Bloss T, Clemens S, Nies DH 2002 Characterization of the ZAT1p zinc transporter from Arabidopsis thaliana in microbial model organisms and reconstituted proteoliposomes. Planta 214: 783-791.

Boles E, Gohlmann HW, Zimmermann FK 1996 Cloning of a second gene encoding 5-phosphofructo-2-kinase in yeast, and characterization of mutant strains without fructose-2,6-bisphosphate. Mol. Microbiol. 20: 65-76.

Boll M, Foltz M, Anderson CM, Oechsler C, Kottra G, Thwaites DT, Daniel H 2003 Substrate recognition by the mammalian proton-dependent amino acid transporter PAT1. Mol. Membr. Biol. 20: 261-269.

Bonza MC, Luoni L, De Michelis MI 2004 Functional expression in yeast of an N-deleted form of At-ACA8, a plasma membrane Ca(2+)-ATPase of Arabidopsis thaliana, and characterization of a hyperactive mutant. Planta 218: 814-823.

Bonza MC, Morandini P, Luoni L, Geisler M, Palmgren MG, De Michelis MI 2000 At-ACA8 encodes a plasma membrane-localized calcium-ATPase of Arabidopsis with a calmodulin-binding domain at the N terminus. Plant Physiol. 123: 1495-1506.

Boorer KJ, Fischer WN 1997 Specificity and stoichiometry of the Arabidopsis H+ amino acid transporter AAP5. J. Biol. Chem. 272: 13040-13046.

Boorer KJ, Frommer WB, Bush DR, Kreman M, Loo DD, Wright EM 1996 Kinetics and specificity of a H+/amino acid transporter from Arabidopsis thaliana. J. Biol. Chem. 271: 2213-2220.

Boscari A, Mandon K, Dupont L, Poggi MC, Le Rudulier D 2002 BetS is a major glycine betaine/proline betaine transporter required for early osmotic adjustment in Sinorhizobium meliloti. J. Bacteriol. 184: 2654-2663.

Bourgis F, Roje S, Nuccio ML, Fisher DB, Tarczynski MC, Li C, Herschbach C, Rennenberg H, Pimenta MJ, Shen TL, Gage DA, Hanson AD 1999 S-Methylmethionine plays a major role in phloem sulfur transport and is synthesized by a novel type of methyltransferase. Plant Cell 11: 1485-1498.

Bouvier F, Linka N, Isner JC, Mutterer J, Weber AP, Camara B 2006 Arabidopsis SAMT1 defines a plastid transporter regulating plastid biogenesis and plant development. Plant Cell 18: 3088-3105.

Brechtel CE, Hu L, King SC 1996 Substrate specificity of the Escherichia coli 4-aminobutyrate carrier encoded by gabP. Uptake and counterflow of structurally diverse molecules. J. Biol. Chem. 271: 783-788.

Brechtel CE, King SC 1998 4-Aminobutyrate (GABA) transporters from the amine-polyamine-choline superfamily: substrate specificity and ligand recognition profile of the 4-aminobutyrate permease from Bacillus subtilis. Biochem. J. 333: 565-571.

Breitkreuz KE, Shelp BJ, Fischer WN, Schwacke R, Rentsch D 1999 Identification and characterization of GABA, proline and quaternary ammonium compound transporters from Arabidopsis thaliana. FEBS Lett. 450: 280-284.

Britto DT, Kronzucker HJ 2005 Nitrogen acquisition, PEP carboxylase, and cellular pH homeostasis: new views on old paradigms. Plant Cell Environ. 28: 1396-1409.

Bruggeman C, Denger K, Cook AM, Ruff J 2004 Enzymes and genes of taurine and isethionate dissimilation in Paracoccus denitrificans. Microbiology (U.K.) 150: 805-816.

Brugiere N, Dubois F, Limami AM, Lelandais M, Roux Y, Sangwan RS, Hirel B 1999 Glutamine synthetase in the phloem plays a major role in controlling proline production. Plant Cell 11: 1995-2012.

Brunker P, Altenbuchner J, Mattes R 1998 Structure and function of the genes involved in mannitol, arabitol and glucitol utilization from Pseudomonas fluorescens DSM50106. Gene 206: 117-126.

Burg MB 1997 Renal osmoregulatory transport of compatible organic osmolytes. Curr. Opin. Nephrol. Hypertens. 6: 430-433.

Burger-Kentischer A, Muller E, Marz J, Fraek ML, Thurau K, Beck FX 1999 Hypertonicity-induced accumulation of organic osmolytes in papillary interstitial cells. Kidney Int. 55: 1417-1425.

Burleigh SH, Kristensen BK, Bechmann IE 2003 A plasma membrane zinc transporter from Medicago truncatula is up-regulated in roots by Zn fertilization, yet down-regulated by arbuscular mycorrhizal colonization. Plant Mol. Biol. 52: 1077-1088.

Busov VB, Johannes E, Whetten RW, Sederoff RR, Spiker SL, Lanz-Garcia C, Goldfarb B 2004 An auxin-inducible gene from loblolly pine (Pinus taeda L.) is differentially expressed in mature and juvenile-phase shoots and encodes a putative transmembrane protein. Planta 218: 916-927.

Buttner M, Truernit E, Baier K, Scholz-Starke J, Sontheim M, Lauterbach C, Huss VAR, Sauer N 2000 AtSTP3, a green leaf-specific, low affinity monosaccharide-H+ symporter of Arabidopsis thaliana. Plant Cell Environ. 23: 175-184.

Castillo A, Taboada H, Mendoza A, Valderrama B, Encarnacion S, Mora J 2000 Role of GOGAT in carbon and nitrogen partitioning in Rhizobium etli. Microbiology 146: 1627-1637.

Cavicchioli R, Chiang RC, Kalman LV, Gunsalus RP 1996 Role of the periplasmic domain of the Escherichia coli NarX sensor-transmitter protein in nitrate-dependent signal transduction and gene regulation. Mol. Microbiol. 21: 901-911.

Ceccardi TL, Barthe GA, Derrick KS 1998 A novel protein associated with citrus blight has sequence similarities to expansin. Plant Mol. Biol. 38: 775-783.

Celenza JL 2001 Metabolism of tyrosine and tryptophan - new genes for old pathways. Curr. Opin. Plant Biol. 4: 234-240.

Cerezo M, Flors V V, Legaz F, Garcia-Agustin P 2000 Characterization of the low affinity transport system for NO(3)(-) uptake by Citrus roots. Plant Sci. 160: 95-104.

Chaffei C, Pageau K, Suzuki A, Gouia H, Ghorbel MH, Masclaux-Daubresse C 2004 Cadmium toxicity induced changes in nitrogen management in Lycopersicon esculentum leading to a metabolic safeguard through an amino acid storage strategy. Plant Cell Physiol. 45: 1681-1693.

Chang DE, Shin S, Rhee JS, Pan JG 1999 Acetate metabolism in a pta mutant of Escherichia coli W3110: importance of maintaining acetyl coenzyme A flux for growth and survival. J. Bacteriol. 181: 6656-6663.

Chang HC, Bush DR 1997 Topology of NAT2, a prototypical example of a new family of amino acid transporters. J. Biol. Chem. 272: 30552-30557 28.

Chaumont F, Barrieu F, Herman EM, Chrispeels MJ 1998 Characterization of a maize tonoplast aquaporin expressed in zones of cell division and elongation. Plant Physiol. 117: 1143-1152.

Chaumont F, Barrieu F, Jung R, Chrispeels MJ 2000 Plasma membrane intrinsic proteins from maize cluster in two sequence subgroups with differential aquaporin activity. Plant Physiol. 122: 1025-1034.

Che FS, Watanabe N, Iwano M, Inokuchi H, Takayama S, Yoshida S, Isogai A 2000 Molecular characterization and subcellular localization of protoporphyrinogen oxidase in spinach chloroplasts. Plant Physiol. 124: 59-70.

Chen L, Bush DR 1997 LHT1, a lysine- and histidine-specific amino acid transporter in Arabidopsis. Plant Physiol. 115: 1127-1134.

Chen L, Ortiz-Lopez A, Jung A, Bush DR 2001 ANT1, an aromatic and neutral amino acid transporter in Arabidopsis. Plant Physiol. 125: 1813-1820.

Chen NH, Reith MEA, Quick MW 2004 Synaptic uptake and beyond: the sodium- and chloride-dependent neurotransmitter transporter family SLC6. Pflugers Arch. 447: 519-531.

Chen TH, Murata N 2002 Enhancement of tolerance of abiotic stress by metabolic engineering of betaines and other compatible solutes. Curr. Opin. Plant Biol. 5: 250-257.

Chen ZH, Walker RP, Tecsi LI, Lea PJ, Leegood RC 2004 Phosphoenolpyruvate carboxykinase in cucumber plants is increased both by ammonium and by acidification, and is present in the phloem. Planta 219: 48-58.

Cheng NH, Pittman JK, Shigaki T, Hirschi KD 2002 Characterization of CAX4, an Arabidopsis H(+)/cation antiporter. Plant Physiol. 128: 1245-1254.

Chianelli MS, Stella CA, Saenz DA, Ramos EH, Kotliar N, Mattoon JR 1996 Isolation of a trifluoroleucine-resistant mutant of Saccharomyces cerevisiae deficient in both high- and low-affinity L-leucine transport. Cell Mol. Biol. (Noisy-Le-Grand) 42: 847-857.

Chiang RC, Cavicchioli R, Gunsalus RP 1997 'Locked-on' and 'locked-off' signal transduction mutations in the periplasmic domain of the Escherichia coli NarQ and NarX sensors affect nitrate- and nitrite-dependent regulation by NarL and NarP. Mol. Microbiol. 24: 1049-1060.

Chilley PM, Casson SA, Tarkowski P, Hawkins N, Wang KL, Hussey PJ, Beale M, Ecker JR, Sandberg GK, Lindsey K 2006 The POLARIS peptide of Arabidopsis regulates auxin transport and root growth via effects on ethylene signaling. Plant Cell 18: 3058-3072.

Chiou TJ, Bush DR 1996 Molecular cloning, immunochemical localization to the vacuole, and expression in transgenic yeast and tobacco of a putative sugar transporter from sugar beet. Plant Physiol. 110: 511-520.

Christensen HN 1985 On the strategy of kinetic discrimination of amino acid transport systems. J. Membrane Biol. 84: 97-103.

Chwals WJ 2004 Regulation of the cellular and physiological effects of glutamine. Mini. Rev. Med. Chem. 4: 833-838.

Chye ML, Li HY, Yung MH 2000 Single amino acid substitutions at the acyl-CoA-binding domain interrupt 14[C]palmitoyl-CoA binding of ACBP2, an Arabidopsis acyl-CoA-binding protein with ankyrin repeats. Plant Mol. Biol. 44: 711-721.

Closs EI, Boissel JP, Habermeier A, Rotmann A 2006 Structure and function of cationic amino acid transporters (CATs). J. Membr. Biol. 213: 67-77.

Cobbett CS 1999 A family of phytochelatin synthase genes from plant, fungal and animal species. Trends Plant Sci. 4: 335-337.

Cohen CK, Garvin DF, Kochian LV 2004 Kinetic properties of a micronutrient transporter from Pisum sativum indicate a primary function in Fe uptake from the soil. Planta 218: 784-792.

Colebatch G, Desbrosses G, Ott T, Krusell L, Montanari O, Kloska S, Kopka J, Udvardi MK 2004 Global changes in transcription orchestrate metabolic differentiation during symbiotic nitrogen fixation in Lotus japonicus. Plant J. 39: 487-512.

Colebatch G, Kloska S, Trevaskis B, Freund S, Altmann T, Udvardi MK 2002 Novel aspects of symbiotic nitrogen fixation uncovered by transcript profiling with cDNA arrays. Mol. Plant Microbe Interact. 15: 411-420.

Collier MD, Fotelli MN, Nahm M, Kopriva S, Rennenberg H, Hanke DE, Gessler A 2003 Regulation of nitrogen uptake by Fagus sylvatica on a whole plant level - interactions between cytokinins and soluble N compounds. Plant Cell Environ. 26: 1549-1560.

Colombo JP 1987 Urea cycle disorders, hyperammonemia and neurotransmitter changes. Enzyme 38: 214-219.

Courchesne WE, Magasanik B 1983 Ammonia regulation of amino acid permeases in Saccharomyces cerevisiae. Mol. Cell Biol. 3: 672-683.

Cowles CE, Nichols NN, Harwood CS 2000 BenR, a XylS homologue, regulates three different pathways of aromatic acid degradation in Pseudomonas putida. J. Bacteriol. 182: 6339-6346.

Cueva JG, Haverkamp S, Reimer RJ, Edwards R, Wassle H, Brecha NC 2002 Vesicular gamma-aminobutyric acid transporter expression in amacrine and horizontal cells. J. Comp. Neurol. 445: 227-237.

Cui XG, Hao FS, Chen H, Cai JH, Chen J, Wang XC 2005 Isolation and expression of an aquaporin-like gene VfPIP1 in Vicia faba. Prog. Nat. Sci. 15: 496-501.

Cuin TA, Shabala S 2007 Amino acids regulate salinity-induced potassium efflux in barley root epidermis. Planta 225: 753-761.

Cutler SB, Caten CE 1999 Characterisation of the nitrite reductase gene (NII1) and the nitrate-assimilation gene cluster of Stagonospora (Septoria) nodorum. Curr. Genet. 36: 282-289.

Dan H, Yang G, Zheng ZL 2007 A negative regulatory role for auxin in sulphate deficiency response in Arabidopsis thaliana. Plant Mol. Biol. 63: 221-235.

Daram P, Brunner S, Rausch C, Steiner C, Amrhein N, Bucher M 1999 Pht2;1 encodes a low-affinity phosphate transporter from Arabidopsis. Plant Cell 11: 2153-2166.

Davenport R 2002 Glutamate receptors in plants. Ann. Bot. (Lond.) 90: 549-557.

Davies JP, Yildiz FH, Grossman AR 1999 Sac3, an Snf1-like serine/threonine kinase that positively and negatively regulates the responses of Chlamydomonas to sulfur limitation. Plant Cell 11: 1179-1190.

Davis RH, Ristow JL 1988 Polyamine transport in Neurospora crassa. Arch. Biochem. Biophys. 267: 479-489.

de Almeida OMMS, Gardino PF, dos Santos NEL, Yamasaki EN, de Mello MCF, Hokoc JN, de Mello FG 2002 Opposite roles of GABA and excitatory amino acids on the control of GAD expression in cultured retina cells. Brain Res. 925: 89-99.

De Boer M, Bebelman JP, Goncalves PM, Maat J, Van Heerikhuizen H, Planta RJ 1998 Regulation of expression of the amino acid transporter gene BAP3 in Saccharomyces cerevisiae. Mol. Microbiol. 30: 603-613.

De Kok LJ, Stuiver CEE, Rubinigg M, Westerman S, Grill D 1997 Impact of atmospheric sulfur deposition on sulfur metabolism in plants: H2S as sulfur source for sulfur deprived Brassica oleracea L. Bot. Acta 110: 411-419.

De Luca V, St Pierre B 2000 The cell and developmental biology of alkaloid biosynthesis. Trends Plant Sci. 5: 168-173.

deZengotita VM, Abston LR, Schmelzer AE, Shaw S, Miller WM 2002 Selected amino acids protect hybridoma and CHO cells from elevated carbon dioxide and osmolality. Biotechnol. Bioeng. 78: 741-752.

Diatloff E, Kumar R, Schachtman DP 1998 Site directed mutagenesis reduces the Na+ affinity of HKT1, an Na+ energized high affinity K+ transporter. FEBS Lett. 432: 31-36.

Didion T, Grausland M, Kielland-Brandt C, Andersen HA 1996 Amino acids induce expression of BAP2, a branched-chain amino acid permease gene in Saccharomyces cerevisiae. J. Bacteriol. 178: 2025-2029.

Dietrich D, Hammes U, Thor K, Suter-Grotemeyer M, Fluckiger R, Slusarenko AJ, Ward JM, Rentsch D 2004 AtPTR1, a plasma membrane peptide transporter expressed during seed germination and in vascular tissue of Arabidopsis. Plant J. 40: 488-499.

Doig P, de Jonge BL, Alm RA, Brown ED, Uria-Nickelsen M, Noonan B, Mills SD, Tummino P, Carmel G, Guild BC, Moir DT, Vovis GF, Trust TJ 1999 Helicobacter pylori physiology predicted from genomic comparison of two strains. Microbiol. Mol. Biol. Rev. 63: 675-708.

Dosselaere F, Lambrecht M, Vanderleyden J 2000 Isolation and sequence analysis of the trpBA gene cluster, encoding tryptophan synthase, from Azospirillum brasilense. DNA Seq. 11: 287-293.

Douchkov D, Gryczka C, Stephan UW, Hell R, Baumlein H 2005 Ectopic expression of nicotianamine synthase genes results in improved iron accumulation and increased nickel tolerance in transgenic tobacco. Plant Cell Environ. 28: 365-374.

Dransfeld O, Gehrmann T, Kohrer K, Kircheis G, Holneicher C, Haussinger D, Wettstein M 2005 Oligonucleotide microarray analysis of differential transporter regulation in the regenerating rat liver. Liver Int. 25: 1243-1258.

Drea SC, Lao NT, Wolfe KH, Kavanagh TA 2006 Gene duplication, exon gain and neofunctionalization of OEP16-related genes in land plants. Plant J. 46: 723-735.

Eckardt NA 2005 Photorespiration revisited. Plant Cell 17: 2139-2141.

Eckhardt U, Mas Marques A, Buckhout TJ 2001 Two iron-regulated cation transporters from tomato complement metal uptake-deficient yeast mutants. Plant Mol. Biol. 45: 437-448.

Eikmanns BJ, Eggeling L, Sahm H 1993 Molecular aspects of lysine, threonine, and isoleucine biosynthesis in Corynebacterium glutamicum. Antonie Van Leeuwenhoek 64: 145-163.

Ekena K, Liao MK, Maloy S 1990 Activation of a new proline transport system in Salmonella typhimurium. J. Bacteriol. 172: 2940-2945.

El-Lithy ME, Rodrigues GC, van Rensen JJ, Snel JF, Dassen HJ, Koornneef M, Jansen MA, Aarts MG, Vreugdenhil D 2005 Altered photosynthetic performance of a natural Arabidopsis accession is associated with atrazine resistance. J. Exp. Bot. 56: 1625-1634.

Elmer A, Chao W, Grimes H 2003 Protein sorting and expression of a unique soybean cotyledon protein, GmSBP, destined for the protein storage vacuole. Plant Mol. Biol. 52: 1089-1106.

Elumalai RP, Nagpal P, Reed JW 2002 A mutation in the Arabidopsis KT2/KUP2 potassium transporter gene affects shoot cell expansion. Plant Cell 14: 119-131.

Emes MJ, Neuhaus HE 1997 Metabolism and transport in non-photosynthetic plastids. J. Exp. Bot. 48: 1995-2005.

Engemann C, Elssner T, Pfeifer S, Krumbholz C, Maier T, Kleber HP 2005 Identification and functional characterisation of genes and corresponding enzymes involved in carnitine metabolism of Proteus sp. Arch. Microbiol. 183: 176-189.

Erikson O, Hertzberg M, Nasholm T 2004 A conditional marker gene allowing both positive and negative selection in plants. Nat. Biotechnol. 22: 455-458.

Ernsting BR, Atkinson MR, Ninfa AJ, Matthews RG 1992 Characterization of the regulon controlled by the leucine-responsive regulatory protein in Escherichia coli. J. Bacteriol. 174: 1109-1118.

Facklam TJ, Marzluf GA 1978 Nitrogen regulation of amino acid catabolism in Neurospora crassa. Biochem. Genet. 16: 343-354.

Famiani F, Walker RP, Tecsi L, Chen ZH, Proietti P, Leegood RC 2000 An immunohistochemical study of the compartmentation of metabolism during the development of grape (Vitis vinifera L.) berries. J. Exp. Bot. 51: 675-683.

Fan X, Gordon-Weeks R, Shen Q, Miller AJ 2006 Glutamine transport and feedback regulation of nitrate reductase activity in barley roots leads to changes in cytosolic nitrate pools. J. Exp. Bot. 57: 1333-1340.

Farnum CE, Lee R, O'Hara K, Urban JP 2002 Volume increase in growth plate chondrocytes during hypertrophy: the contribution of organic osmolytes. Bone 30: 574-581.

Fast B, Lindgren P, Gotz F 1996 Cloning, sequencing, and characterization of a gene (narT) encoding a transport protein involved in dissimilatory nitrate reduction in Staphylococcus carnosus. Arch. Microbiol. 166: 361-367.

Faure-Rabasse S, Le Deunff E, Laine P, Macduff JH, Ourry A 2002 Effects of nitrate pulses on BnNRT1 and BnNRT2 genes: mRNA levels and nitrate influx rates in relation to the duration of N deprivation in Brassica napus L. J. Exp. Bot. 53: 1711-1721.

Fernie AR, Tiessen A, Stitt M, Willmitzer L, Geigenberger P 2002 Altered metabolic fluxes result from shifts in metabolite levels in sucrose phosphorylase-expressing potato tubers. Plant Cell Environ. 25: 1219-1232.

Flemetakis E, Dimou M, Cotzur D, Efrose RC, Aivalakis G, Colebatch G, Udvardi M, Katinakis P 2003 A sucrose transporter, LjSUT4, is up-regulated during Lotus japonicus nodule development. J. Exp. Bot. 54: 1789-1791.

Flores E, Herrero A 2005 Nitrogen assimilation and nitrogen control in cyanobacteria. Biochem. Soc. Trans. 33: 164-167.

Fonseca LL, Monteiro MA, Alves PM, Carrondo MJ, Santos H 2005 Cultures of rat astrocytes challenged with a steady supply of glutamate: new model to study flux distribution in the glutamate-glutamine cycle. Glia 51: 286-296.

Forlani G, Bossi E, Perego C, Giovannardi S, Peres A 2001 Three kinds of currents in the canine betaine-GABA transporter BGT-1 expressed in Xenopus laevis oocytes. Biochim. Biophys. Acta 1538: 172-180.

Forsberg H, Gilstring CF, Zargari A, Martinez P, Ljungdahl PO 2001 The role of the yeast plasma membrane SPS nutrient sensor in the metabolic response to extracellular amino acids. Mol. Microbiol. 42: 215-228.

Foyer CH, Lescure JC, Lefebvre C, Morot-Gaudry JF, Vincentz M, Vaucheret H 1994 Adaptations of photosynthetic electron transport, carbon assimilation, and carbon partitioning in transgenic Nicotiana plumbaginifolia plants to changes in nitrate reductase activity. Plant Physiol. 104: 171-178.

Fraisier V, Dorbe MF, Daniel-Vedele F 2001 Identification and expression analyses of two genes encoding putative low-affinity nitrate transporters from Nicotiana plumbaginifolia. Plant Mol. Biol. 45: 181-190.

Friedrich B, Matskevich I, Lang F 2006 Cell volume regulatory mechanisms. Contrib. Nephrol. 152: 1-8.

Frommer WB, Hummel S, Rentsch D 1994 Cloning of an Arabidopsis histidine transporting protein related to nitrate and peptide transporters. FEBS Lett. 347: 185-189.

Frommer WB, Kwart M, Hirner B, Fischer WN, Hummel S, Ninnemann O 1994 Transporters for nitrogenous compounds in plants. Plant Mol. Biol. 26: 1651-1670.

Fujimori S, Osawa M, Iemata M, Hinoi E, Yoneda Y 2006 Increased GABA transport activity in rat calvarial osteoblasts cultured under hyperglycemic conditions. Biol. Pharm. Bull. 29: 297-301.

Funanage VL, Ayling PD, Dendinger SM, Brenchley JE 1978 Salmonella typhimurium LT-2 mutants with altered glutamine synthetase levels and amino acid uptake activities. J. Bacteriol. 136: 588-596.

Galili G, Tang GL, Zhu XH, Amir R, Levanony H, Shy G, Herman EM 2000 Plant seeds: An exciting model system for dissecting molecular and cellular regulation of metabolic processes. Isr. J. Plant Sci. 48: 181-187.

Gallant P, Malutan T, McLean H, Verellen L, Caveney S, Donly C 2003 Functionally distinct dopamine and octopamine transporters in the CNS of the cabbage looper moth. Eur. J. Biochem. 270: 664-674.

Gao YP, Young L, Bonham-Smith P, Gusta LV 1999 Characterization and expression of plasma and tonoplast membrane aquaporins in primed seed of Brassica napus during germination under stress conditions. Plant Mol. Biol. 40: 635-644.

Gao-Rubinelli F, Marzluf GA 2004 Identification and characterization of a nitrate transporter gene in Neurospora crassa. Biochem. Genet. 42: 21-34.

Garcia-Dominguez M, Florencio FJ 1997 Nitrogen availability and electron transport control the expression of glnB gene (encoding PII protein) in the cyanobacterium Synechocystis sp. PCC 6803. Plant Mol. Biol. 35: 723-734.

Gauthier MJ, Flatau GN, Le Rudulier D, Clement RL, Combarro Combarro MP 1991 Intracellular accumulation of potassium and glutamate specifically enhances survival of Escherichia coli in seawater. Appl. Environ. Microbiol. 57: 272-276.

Gear ML, McPhillips ML, Patrick JW, McCurdy DW 2000 Hexose transporters of tomato: molecular cloning, expression analysis and functional characterization. Plant Mol. Biol. 44: 687-697.

Geelen D, Lurin C, Bouchez D, Frachisse JM, Lelievre F, Courtial B, Barbier-Brygoo H, Maurel C 2000 Disruption of putative anion channel gene AtCLC-a in Arabidopsis suggests a role in the regulation of nitrate content. Plant J. 21: 259-267.

Gegelashvili M, Rodriguez-Kern A, Pirozhkova I, Zhang J, Sung L, Gegelashvili G 2006 High-affinity glutamate transporter GLAST/EAAT1 regulates cell surface expression of glutamine/neutral amino acid transporter ASCT2 in human fetal astrocytes. Neurochem. Int. 48: 611-615.

Geigenberger P, Fernie AR, Gibon Y, Christ M, Stitt M 2000 Metabolic activity decreases as an adaptive response to low internal oxygen in growing potato tubers. Biol. Chem. 381: 723-740.

Geigenberger P, Kolbe A, Tiessen A 2005 Redox regulation of carbon storage and partitioning in response to light and sugars. J. Exp. Bot. 56: 1469-1479.

Genchi G, Ponzone C, Bisaccia F, De Santis A, Stefanizzi L, Palmieri F 1996 Purification and characterization of the reconstitutively active adenine nucleotide carrier from maize mitochondria. Plant Physiol. 112: 845-851.

Gerendas J, Ratcliffe RG 2000 Intracellular pH regulation in maize root tips exposed to ammonium at high external pH. J. Exp. Bot. 51: 207-219.

Glaasker E, Konings WN, Poolman B 1996 Osmotic regulation of intracellular solute pools in Lactobacillus plantarum. J. Bacteriol. 178: 575-582.

Goldraij A, Polacco JC 2000 Arginine degradation by arginase in mitochondria of soybean seedling cotyledons. Planta 210: 652-658.

Goldstein L, Davis EM 1994 Taurine, betaine, and inositol share a volume-sensitive transporter in skate erythrocyte cell membrane. Am. J. Physiol. 267: R426-R431.

Gonzalez R, Tao H, Shanmugam KT, York SW, Ingram LO 2002 Global gene expression differences associated with changes in glycolytic flux and growth rate in Escherichia coli during the fermentation of glucose and xylose. Biotechnol. Prog. 18: 6-20.

Grassi G, Millard P, Wendler R, Minotta G, Tagliavini M 2002 Measurement of xylem sap amino acid concentrations in conjunction with whole tree transpiration estimates spring N remobilization by cherry (Prunus avium L.) trees. Plant Cell Environ. 25: 1689-1699.

Gregerson RG, Petrowski M, Larson RL, Gantt JS, Vance CP 1993 Molecular analysis of allelic polymorphism at the AAT2 locus of alfalfa. Mol. Gen. Genet. 241: 124-128.

Griffin HG, Gasson MJ 1995 Genetic aspects of aromatic amino acid biosynthesis in Lactococcus lactis. Mol. Gen. Genet. 246: 119-127.

Grothe S, Krogsrud RL, McClellan DJ, Milner JL, Wood JM 1986 Proline transport and osmotic stress response in Escherichia coli K-12. J. Bacteriol. 166: 253-259.

Guaragnella N, Butow RA 2003 ATO3 encoding a putative outward ammonium transporter is an RTG-independent retrograde responsive gene regulated by GCN4 and the Ssy1-Ptr3-Ssy5 amino acid sensor system. J. Biol. Chem. 278: 45882-45887.

Guedon E, Serror P, Ehrlich SD, Renault P, Delorme C 2001 Pleiotropic transcriptional repressor CodY senses the intracellular pool of branched-chain amino acids in Lactococcus lactis. Mol. Microbiol. 40: 1227-1239.

Guo S, Yin H, Zhang X, Zhao F, Li P, Chen S, Zhao Y, Zhang H 2006 Molecular cloning and characterization of a vacuolar H+ -pyrophosphatase gene, SsVP, from the halophyte Suaeda salsa and its overexpression increases salt and drought tolerance of Arabidopsis. Plant Mol. Biol. 60: 41-50.

Guo Y, Cai Z, Gan S 2004 Transcriptome of Arabidopsis leaf senescence. Plant Cell Environ. 27: 521-549.

Gustavsson S, Lebrun AS, Norden K, Chaumont F, Johanson U 2005 A novel plant major intrinsic protein in Physcomitrella patens most similar to bacterial glycerol channels. Plant Physiol. 139: 287-295.

Haardt M, Bremer E 1996 Use of phoA and lacZ fusions to study the membrane topology of ProW, a component of the osmoregulated ProU transport system of Escherichia coli. J. Bacteriol. 178: 5370-5381.

Hammer MA, Baltz JM 2002 Betaine is a highly effective organic osmolyte but does not appear to be transported by established organic osmolyte transporters in mouse embryos. Mol. Reprod. Dev. 62: 195-202.

Hammes UZ, Nielsen E, Honaas LA, Taylor CG, Schachtman DP 2006 AtCAT6, a sink-tissue-localized transporter for essential amino acids in Arabidopsis. Plant J. 48: 414-426.

Hanikenne M, Motte P, Wu MCS, Wang T, Loppes R, Matagne RF 2005 A mitochondrial half-size ABC transporter is involved in cadmium tolerance in Chlamydomonas reinhardtii. Plant Cell Environ. 28: 863-873.

Hartmann T, Honicke P, Wirtz M, Hell R, Rennenberg H, Kopriva S 2004 Regulation of sulphate assimilation by glutathione in poplars (Populus tremula x P. alba) of wild type and overexpressing gamma-glutamylcysteine synthetase in the cytosol. J. Exp. Bot. 55: 837-845.

Hartmann-Petersen R, Seeger M, Gordon C 2003 Transferring substrates to the 26S proteasome. Trends Biochem. Sci. 28: 26-31.

Hatzfeld Y, Lee S, Lee M, Leustek T, Saito K 2000 Functional characterization of a gene encoding a fourth ATP sulfurylase isoform from Arabidopsis thaliana. Gene 248: 51-58.

Hausler RE, Schlieben NH, Nicolay P, Fischer K, Fischer KL, Flugge UI 2000 Control of carbon partitioning and photosynthesis by the triose phosphate/phosphate translocator in transgenic tobacco plants (Nicotiana tabacumL.). I. Comparative · Planta 210: 371-382.

Haussinger D, Schliess F 2007 Glutamine metabolism and signaling in the liver. Front. Biosci. 12: 371-391.

Hazelwood LA, Tai SL, Boer VM, de Winde JH, Pronk JT, Daran JM 2006 A new physiological role for Pdr12p in Saccharomyces cerevisiae: export of aromatic and branched-chain organic acids produced in amino acid catabolism. FEMS Yeast Res. 6: 937-945.

Herbik A, Bolling C, Buckhout TJ 2002 The involvement of a multicopper oxidase in iron uptake by the green algae Chlamydomonas reinhardtii. Plant Physiol. 130: 2039-2048.

Herdel K, Schmidt P, Feil R, Mohr A, Schurr U 2001 Dynamics of concentrations and nutrient fluxes in the xylem of Ricinus communis - diurnal course, impact of nutrient availability and nutrient uptake. Plant Cell Environ. 24: 41-52.

Herrero A, Flores E 1990 Transport of basic amino acids by the dinitrogen-fixing cyanobacterium Anabaena PCC 7120. J. Biol. Chem. 265: 3931-3935.

Hesse H, Kreft O, Maimann S, Zeh M, Hoefgen R 2004 Current understanding of the regulation of methionine biosynthesis in plants. J. Exp. Bot. 55: 1799-1808.

Hillar A, Culham DE, Vernikovska YI, Wood JM, Boggs JM 2005 Formation of an antiparallel, intermolecular coiled coil is associated with in vivo dimerization of osmosensor and osmoprotectant transporter ProP in Escherichia coli. Biochemistry 44: 10170-10180.

Hirani TA, Suzuki I, Murata N, Hayashi H, Eaton-Rye JJ 2001 Characterization of a two-component signal transduction system involved in the induction of alkaline phosphatase under phosphate-limiting conditions in Synechocystis sp. PCC 6803. Plant Mol. Biol. 45: 133-144.

Hirner A, Ladwig F, Stransky H, Okumoto S, Keinath M, Harms A, Frommer WB, Koch W 2006 Arabidopsis LHT1 is a high-affinity transporter for cellular amino acid uptake in both root epidermis and leaf mesophyll. Plant Cell 18: 1931-1946.

Horie T, Yoshida K, Nakayama H, Yamada K, Oiki S, Shinmyo A 2001 Two types of HKT transporters with different properties of Na+ and K+ transport in Oryza sativa. Plant J. 27: 129-138.

Howarth JR, Fourcroy P, Davidian JC, Smith FW, Hawkesford MJ 2003 Cloning of two contrasting high-affinity sulfate transporters from tomato induced by low sulfate and infection by the vascular pathogen Verticillium dahliae. Planta 218: 58-64.

Hoyos ME, Palmieri L, Wertin T, Arrigoni R, Polacco JC, Palmieri F 2003 Identification of a mitochondrial transporter for basic amino acids in Arabidopsis thaliana by functional reconstitution into liposomes and complementation in yeast. Plant J. 33: 1027-1035.

Hua Q, Yang C, Oshima T, Mori H, Shimizu K 2004 Analysis of gene expression in Escherichia coli in response to changes of growth-limiting nutrient in chemostat cultures. Appl. Environ. Microbiol. 70: 2354-2366.

Huang S, Spielmeyer W, Lagudah ES, James RA, Platten JD, Dennis ES, Munns R 2006 A sodium transporter (HKT7) is a candidate for Nax1, a gene for salt tolerance in durum wheat. Plant Physiol. 142: 1718-1727.

Huang Y, Zhang L, Zhang J, Yuan D, Xu C, Li X, Zhou D, Wang S, Zhang Q 2006 Heterosis and polymorphisms of gene expression in an elite rice hybrid as revealed by a microarray analysis of 9198 unique ESTs. Plant Mol. Biol. 62: 579-591.

Hussain H, Grove J, Griffiths L, Busby S, Cole J 1994 A seven-gene operon essential for formate-dependent nitrite reduction to ammonia by enteric bacteria. Mol. Microbiol. 12: 153-163.

Hutchings H, Stahmann KP, Roels S, Espeso EA, Timberlake WE, Arst HN, Tilburn J 1999 the multiply-regulated GABA gene encoding the GABA permease of Aspergillus nidulans: a score of exons. Mol. Microbiol. 32: 557-568.

Hyatt SL, Aulak KS, Malandro M, Kilberg MS, Hatzoglou M 1997 Adaptive regulation of the cationic amino acid transporter-1 (Cat-1) in Fao cells. J. Biol. Chem. 272: 19951-19957.

Igarashi Y, Yoshiba Y, Takeshita T, Nomura S, Otomo J, Yamaguchi-Shinozaki K, Shinozaki K 2000 Molecular cloning and characterization of a cDNA encoding proline transporter in rice. Plant Cell Physiol. 41: 750-756.

Iraqui I, Vissers S, Andre B, Urrestarazu A 1999 Transcriptional induction by aromatic amino acids in Saccharomyces cerevisiae. Mol. Cell Biol. 19: 3360-3371.

Island MD, Perry JR, Naider F, Becker JM 1991 Isolation and characterization of S. cerevisiae mutants deficient in amino acid-inducible peptide transport. Curr. Genet. 20: 457-463.

Ito H, Gray WM 2006 A gain-of-function mutation in the Arabidopsis pleiotropic drug resistance transporter PDR9 confers resistance to auxinic herbicides. Plant Physiol. 142: 63-74.

Izmailov SF, Bruskova RK, Chechetka SA, Kirnos SV, Nikiforova A, Satskaya MV 2003 Nitrate assimilation function of yellow lupine root nodules? Biol. Bull. 30: 140-147.

Jamai A, Gaillard C, Delrot S, Martinoia E 1995 Dipeptide transport in barley mesophyll vacuoles. Planta 196: 430-433.

Jebbar M, Talibart R, Gloux K, Bernard T, Blanco C 1992 Osmoprotection of Escherichia coli by ectoine: uptake and accumulation characteristics. J. Bacteriol. 174: 5027-5035.

Jewell JB, Kashket ER 1991 Osmotically regulated transport of proline by Lactobacillus acidophilus IFO 3532. Appl. Environ. Microbiol. 57: 2829-2833.

Jiao JA, Chollet R 1992 Light activation of maize phosphoenolpyruvate carboxylase protein serine kinase activity is inhibited by mesophyll and bundle-sheath-directed photosynthesis inhibitors. Plant Physiol. 98: 152-156.

Jin H, Liu D, Zuo K, Gong Y, Miao Z, Chen Y, Ren W, Sun X, Tang K 2007 Molecular cloning and characterization of Crmdr1, a novel MDR-type ABC transporter gene from Catharanthus roseus. DNA Seq. 18: 316-325.

Johansson I, Karlsson M, Shukla VK, Chrispeels MJ, Larsson C, Kjellbom P 1998 Water transport activity of the plasma membrane aquaporin PM28A is regulated by phosphorylation. Plant Cell 10: 451-459.

Jones DP, Miller LA, Chesney RW 1995 The relative roles of external taurine concentration and medium osmolality in the regulation of taurine transport in LLC-PK1 and MDCK cells. Pediatr. Res. 37: 227-232.

Jones ME 1985 Conversion of glutamate to ornithine and proline: pyrroline-5-carboxylate, a possible modulator of arginine requirements. J. Nutr. 115: 509-515.

Jongebloed U, Szederkenyi J, Hartig K, Schobert C, Komor E 2004 Sequence of morphological and physiological events during natural ageing and senescence of a castor bean leaf: sieve tube occlusion and carbohydrate back-up precede chlorophyll degradation. Physiol. Plant. 120: 338-346.

Kagiwada S, Sugita S, Masaike Y, Kato S, Noguchi T 2005 Characterization of coat proteins of COPI- and clathrin-coated vesicles in the unicellular green alga Botryococcus braunii. Plant Sci. 169: 668-679.

Kamruzzaman Munshi M, Kobayashi Y, Shikanai T 2005 Identification of a novel protein, CRR7, required for the stabilization of the chloroplast NAD(P)H dehydrogenase complex in Arabidopsis. Plant J. 44: 1036-1044.

Karim S, Lundh D, Holmstrom KO, Mandal A, Pirhonen M 2005 Structural and functional characterization of AtPTR3, a stress-induced peptide transporter of Arabidopsis. J. Mol. Model. (Online) 11: 226-236.

Karim S, Lundh D, Holmstrom KO, Mandal A, Pirhonen M 2005 Structural and functional characterization of AtPTR3, a stress-induced peptide transporter of Arabidopsis. J. Mol. Model. 11: 226-236.

Kashiwagi K 1996 Polyamine transport in Escherichia coli and eukaryotic cells. Yakugaku Zasshi 116: 175-191.

Kawaoka A, Ebinuma H 2001 Transcriptional control of lignin biosynthesis by tobacco LIM protein. Phytochemistry 57: 1149-1157.

Kehr J 2006 Phloem sap proteins: their identities and potential roles in the interaction between plants and phloem-feeding insects. J. Exp. Bot. 57: 767-774.

Keiner R, Kaiser H, Nakajima K, Hashimoto T, Drager B 2002 Molecular cloning, expression and characterization of tropinone reductase II, an enzyme of the SDR family in Solanum tuberosum (L.). Plant Mol. Biol. 48: 299-308.

Kempson SA 1998 Differential activation of system A and betaine/GABA transport in MDCK cell membranes by hypertonic stress. Biochim. Biophys. Acta 1372: 117-123.

Kempson SA, Edwards JM, Sturek M 2006 Inhibition of the renal betaine transporter by calcium ions. Am. J. Physiol. Renal Physiol. 291: F305-F313.

Kennedy DJ, Gatfield KM, Winpenny JP, Ganapathy V, Thwaites DT 2005 Substrate specificity and functional characterisation of the H+/amino acid transporter rat PAT2 (Slc36a2). Br. J. Pharmacol. 144: 28-41.

Kersemans V, Cornelissen B, Kersemans K, Dierckx RA, De Spiegeleer B, Mertens J, Slegers G 2006 Comparative biodistribution study of the new tumor tracer [123I]-2-iodo-L-phenylalanine with [123I]-2-iodo-L-tyrosine. Nucl. Med. Biol. 33: 111-117.

Kilberg MS, Hutson RG, Laine RO 1994 Amino acid-regulated gene expression in eukaryotic cells. FASEB J. 8: 13-19.

Kilian O, Kroth PG 2005 Identification and characterization of a new conserved motif within the presequence of proteins targeted into complex diatom plastids. Plant J. 41: 175-183.

Kim EJ, Kwak JM, Uozumi N, Schroeder JI 1998 AtKUP1: an Arabidopsis gene encoding high-affinity potassium transport activity. Plant Cell 10: 51-62.

King ND, O'Brian MR 2001 Evidence for direct interaction between enzyme I(Ntr) and aspartokinase to regulate bacterial oligopeptide transport. J. Biol. Chem. 276: 21311-21316.

Kinnersley AM, Lin F 2000 Receptor modifiers indicate that 4-aminobutyric acid (GABA) is a potential modulator of ion transport in plants. Plant Growth Regul. 32: 65-76.

Kiyosue T, Abe H, Yamaguchi-Shinozaki K, Shinozaki K 1998 ERD6, a cDNA clone for an early dehydration-induced gene of Arabidopsis, encodes a putative sugar transporter. Biochim. Biophys. Acta 1370: 187-191.

Klein W, Horlacher R, Boos W 1995 Molecular analysis of treB encoding the Escherichia coli enzyme II specific for trehalose. J. Bacteriol. 177: 4043-4052.

Knop C, Stadler R, Sauer N, Lohaus G 2004 AmSUT1, a sucrose transporter in collection and transport phloem of the putative symplastic phloem loader Alonsoa meridionalis. Plant Physiol. 134: 204-214.

Kobayashi M, Rodriguez R, Lara C, Omata T 1997 Involvement of the C-terminal domain of an ATP-binding subunit in the regulation of the ABC-type nitrate/nitrite transporter of the Cyanobacterium synechococcus sp. strain PCC 7942. J. Biol. Chem. 272: 27197-27201.

Koch W, Kwart M, Laubner M, Heineke D, Stransky H, Frommer WB, Tegeder M 2003 Reduced amino acid content in transgenic potato tubers due to antisense inhibition of the leaf H+/amino acid symporter StAAP1. Plant J. 33: 211-220.

Kocsis MG, Ranocha P, Gage DA, Simon ES, Rhodes D, Peel GJ, Mellema S, Saito K, Awazuhara M, Li C, Meeley RB, Tarczynski MC, Wagner C, Hanson AD 2003 Insertional inactivation of the methionine S-methyltransferase gene eliminates the S-methylmethionine cycle and increases the methylation ratio. Plant Physiol. 131: 1808-1815.

Koike S, Inoue H, Mizuno D, Takahashi M, Nakanishi H, Mori S, Nishizawa NK 2004 OsYSL2 is a rice metal-nicotianamine transporter that is regulated by iron and expressed in the phloem. Plant J. 39: 415-424.

Kokoeva MV, Storch KF, Klein C, Oesterhelt D 2002 A novel mode of sensory transduction in archaea: binding protein-mediated chemotaxis towards osmoprotectants and amino acids. EMBO J. 21: 2312-2322.

Kolbe A, Oliver SN, Fernie AR, Stitt M, van Dongen JT, Geigenberger P 2006 Combined transcript and metabolite profiling of Arabidopsis leaves reveals fundamental effects of the thiol-disulfide status on plant metabolism. Plant Physiol. 141: 412-422.

Kollipara KP, Saab IN, Wych RD, Lauer MJ, Singletary GW 2002 Expression profiling of reciprocal maize hybrids divergent for cold germination and desiccation tolerance. Plant Physiol. 129: 974-992.

Kosuge T, Hoshino T 1998 Construction of a proline-producing mutant of the extremely thermophilic eubacterium Thermus thermophilus HB27. Appl. Environ. Microbiol. 64: 4328-4332.

Koutny M, Kucera I, Tesarik R, Turanek J, Van Spanning RJ 1999 Pseudoazurin mediates periplasmic electron flow in a mutant strain of Paracoccus denitrificans lacking cytochrome c550. FEBS Lett. 448: 157-159.

Kowalczuk S, Broer A, Munzinger M, Tietze N, Klingel K, Broer S 2005 Molecular cloning of the mouse IMINO system: an Na+- and Cl--dependent proline transporter. Biochem. J. 386: 417-422.

Krafft T, Bowen A, Theis F, Macy JM 2000 Cloning and sequencing of the genes encoding the periplasmic-cytochrome B-containing selenate reductase of Thauera selenatis. DNA Seq. 10: 365-377.

Kramer R, Morbach S 2004 BetP of Corynebacterium glutamicum, a transporter with three different functions: betaine transport, osmosensing, and osmoregulation. Biochim. Biophys. Acta 1658: 31-36.

Krath BN, Hove-Jensen B 1999 Organellar and cytosolic localization of four phosphoribosyl diphosphate synthase isozymes in spinach. Plant Physiol. 119: 497-506.

Kruft V, Eubel H, Jansch L, Werhahn W, Braun HP 2001 Proteomic approach to identify novel mitochondrial proteins in Arabidopsis. Plant Physiol. 127: 1694-1710.

Kucera I 2003 Inhibition by phenylglyoxal of nitrate transport in Paracoccus denitrificans: a comparison with the effect of a protonophorous uncoupler. Arch. Biochem. Biophys. 409: 327-334.

Kuczius T, Kleiner D 1997 Ammonia-excreting mutants of Klebsiella pneumoniae with a pleiotropic defect in nitrogen metabolism. Arch. Microbiol. 166: 388-393.

Kuhn C, Frommer WB 1995 A novel zinc-finger protein encoded by a couch potato homolog from Solanum tuberosum enables a sucrose transport deficient yeast-strain to grow on sucrose. Mol. Gen. Genet. 247: 759-763.

Kunze R, Frommer WB, Flugge UI 2002 Metabolic engineering of plants: the role of membrane transport. Metab. Eng. 4: 57-66.

Kustu SG, McFarland NC, Hui SP, Esmon B, Ames GF 1979 Nitrogen control of Salmonella typhimurium: co-regulation of synthesis of glutamine synthetase and amino acid transport systems. J. Bacteriol. 138: 218-234.

Kutukova EA, Livshits VA, Altman IP, Ptitsyn LR, Zyiatdinov MH, Tokmakova IL, Zakataeva NP 2005 The yeaS (leuE) gene of Escherichia coli encodes an exporter of leucine, and the Lrp protein regulates its expression. FEBS Lett. 579: 4629-4634.

Lalanne E, Mathieu C, Roche O, Vedel F, De Pape R 1997 Structure and specific expression of a Nicotiana sylvestris putative amino-acid transporter gene in mature and in vitro germinating pollen. Plant Mol. Biol. 35: 855-864.

Laloknam S, Tanaka K, Buaboocha T, Waditee R, Incharoensakdi A, Hibino T, Tanaka Y, Takabe T 2006 Halotolerant cyanobacterium Aphanothece halophytica contains a betaine transporter active at alkaline pH and high salinity. Appl. Environ. Microbiol. 72: 6018-6026.

Lalonde S, Tegeder M, Throne-Holst M, Frommer WB, Patrick JW 2003 Phloem loading and unloading of sugars and amino acids. Plant Cell Environ. 26: 37-56.

Lalonde S, Wipf D, Frommer WB 2004 Transport mechanisms for organic forms of carbon and nitrogen between source and sink. Annu. Rev. Plant Biol. 55: 341-372.

Lam HM, Hsieh MH, Coruzzi G 1998 Reciprocal regulation of distinct asparagine synthetase genes by light and metabolites in Arabidopsis thaliana. Plant J. 16: 345-353.

Lam HM, Peng SS, Coruzzi GM 1994 Metabolic regulation of the gene encoding glutamine-dependent asparagine synthetase in Arabidopsis thaliana. Plant Physiol. 106: 1347-1357.

Lam HM, Wong P, Chan HK, Yam KM, Chen L, Chow CM, Coruzzi GM 2003 Overexpression of the ASN1 gene enhances nitrogen status in seeds of Arabidopsis. Plant Physiol. 132: 926-935.

Lamark T, Kaasen I, Eshoo MW, Falkenberg P, McDougall J, Strom AR 1991 DNA sequence and analysis of the bet genes encoding the osmoregulatory choline-glycine betaine pathway of Escherichia coli. Mol. Microbiol. 5: 1049-1064.

Langhans M, Ratajczak R, Lutzelschwab M, Michalke W, Wachter R, Fischer-Schliebs E, Ullrich CI 2001 Immunolocalization of plasma-membrane H+-ATPase and tonoplast-type pyrophosphatase in the plasma membrane of the sieve element-companion cell complex in the stem of Ricinus communis L. Planta 213: 11-19.

Laprade R, Noulin JF, Lapointe JY 1996 Volume regulation and ion transport in renal cells. Curr. Opin. Nephrol. Hypertens. 5: 417-421.

Larsen PB, Cancel J, Rounds M, Ochoa V 2007 Arabidopsis ALS1 encodes a root tip and stele localized half type ABC transporter required for root growth in an aluminum toxic environment. Planta 225: 1447-1458.

Lasat MM, Baker AJ, Kochian LV 1998 Altered Zn compartmentation in the root symplasm and stimulated Zn absorption into the leaf as mechanisms involved in Zn hyperaccumulation in Thlaspi caerulescens. Plant Physiol. 118: 875-883.

Lasswell J, Rogg LE, Nelson DC, Rongey C, Bartel B 2000 Cloning and characterization of IAR1, a gene required for auxin conjugate sensitivity in Arabidopsis. Plant Cell 12: 2395-2408.

Lawlor DW 2002 Limitation to photosynthesis in water-stressed leaves: stomata vs. metabolism and the role of ATP. Ann. Bot. (Lond.) 89: 871-885.

Lawlor DW, Cornic G 2002 Photosynthetic carbon assimilation and associated metabolism in relation to water deficits in higher plants. Plant Cell Environ. 25: 275-294.

Le Rudulier D, Gloux K, Riou N 1991 Identification of an osmotically induced periplasmic glycine betaine-binding protein from Rhizobium meliloti. Biochim. Biophys. Acta 1061: 197-205.

Lea PJ, Chen ZH, Leegood RC, Walker RP 2001 Does phosphoenolpyruvate carboxykinase have a role in both amino acid and carbohydrate metabolism? Amino Acids 20: 225-241.

Lebrun E, Brugna M, Baymann F, Muller D, Lievremont D, Lett MC, Nitschke W 2003 Arsenite oxidase, an ancient bioenergetic enzyme. Mol. Biol. Evol. 20: 686-693.

Lee JM, Williams ME, Tingey SV, Rafalski JA 2002 DNA array profiling of gene expression changes during maize embryo development. Funct. Integr. Genomics 2: 13-27.

Lee K, Berthiaume F, Stephanopoulos GN, Yarmush DM, Yarmush ML 2000 Metabolic flux analysis of postburn hepatic hypermetabolism. Metab. Eng. 2: 312-327.

Lee YH, Foster J, Chen J, Voll LM, Weber AP, Tegeder M 2007 AAP1 transports uncharged amino acids into roots of Arabidopsis. Plant J. 50: 305-319.

Lee YH, Tegeder M 2004 Selective expression of a novel high-affinity transport system for acidic and neutral amino acids in the tapetum cells of Arabidopsis flowers. Plant J. 40: 60-74.

Lee YY, Wong KT, Nissom PM, Wong DC, Yap MG 2007 Transcriptional profiling of batch and fed-batch protein-free 293-HEK cultures. Metab. Eng. 9: 52-67.

Leung KC, Li HY, Xiao S, Tse MH, Chye ML 2006 Arabidopsis ACBP3 is an extracellularly targeted acyl-CoA-binding protein. Planta 223: 871-881.

Lewis CE, Noctor G, Causton D, Foyer CH 2000 Regulation of assimilate partitioning in leaves. Aust. J. Plant Physiol. 27: 507-519.

Liao MK, Gort S, Maloy S 1997 A cryptic proline permease in Salmonella typhimurium. Microbiology 143: 2903-2911.

Lindell D, Sullivan MB, Johnson ZI, Tolonen AC, Rohwer F, Chisholm SW 2004 Transfer of photosynthesis genes to and from Prochlorococcus viruses. Proc. Natl. Acad. Sci. U.S.A. 101: 11013-11018.

Linka M, Weber AP 2005 Shuffling ammonia between mitochondria and plastids during photorespiration. Trends Plant Sci. 10: 461-465.

Liu X, Bush DR 2006 Expression and transcriptional regulation of amino acid transporters in plants. Amino Acids 30: 113-120.

Lohaus G, Moellers C 2000 Phloem transport of amino acids in two Brassica napus L. genotypes and one B. carinata genotype in relation to their seed protein content. Planta 211: 833-840.

Lohmann R, Souba WW, Bode BP 1999 Rat liver endothelial cell glutamine transporter and glutaminase expression contrast with parenchymal cells. Am. J. Physiol. 276: G743-G750.

Lopez-Corcuera B, Liu QR, Mandiyan S, Nelson H, Nelson N 1992 Expression of a mouse brain cDNA encoding novel gamma-aminobutyric acid transporter. J. Biol. Chem. 267: 17491-17493.

Loque D, Tillard P, Gojon A, Lepetit M 2003 Gene expression of the NO3- transporter NRT1.1 and the nitrate reductase NIA1 is repressed in Arabidopsis roots by NO2-, the product of NO3- reduction. Plant Physiol. 132: 958-967.

Lu W, Zhao B, Feng D, Yang S 2004 Cloning and characterization of the Halobacillus trueperi betH gene, encoding the transport system for the compatible solute glycine betaine. FEMS Microbiol. Lett. 235: 393-399.

Lucht JM, Bremer E 1994 Adaptation of Escherichia coli to high osmolarity environments: osmoregulation of the high-affinity glycine betaine transport system proU. FEMS Microbiol. Rev. 14: 3-20.

Lundberg P, Lundquist PO 2004 Primary metabolism in N2-fixing Alnus incana-Frankia symbiotic root nodules studied with (15)N and (31)P nuclear magnetic resonance spectroscopy. Planta 219: 661-672.

Maaheimo H, Fiaux J, Cakar ZP, Bailey JE, Sauer U, Szyperski T 2001 Central carbon metabolism of Saccharomyces cerevisiae explored by biosynthetic fractional C-13 labeling of common amino acids. Eur. J. Biochem. 268: 2464-2479.

Magidin M, Pittman JK, Hirschi KD, Bartel B 2003 ILR2, a novel gene regulating IAA conjugate sensitivity and metal transport in Arabidopsis thaliana. Plant J. 35: 523-534.

Mahadevan R, Bond DR, Butler JE, Esteve-Nunez A, Coppi MV, Palsson BO, Schilling CH, Lovley DR 2006 Characterization of metabolism in the Fe(III)-reducing organism Geobacter sulfurreducens by constraint-based modeling. Appl. Environ. Microbiol. 72: 1558-1568.

Maier T, Yu C, Kullertz G, Clemens S 2003 Localization and functional characterization of metal-binding sites in phytochelatin synthases. Planta 218: 300-308.

Malandro MS, Kilberg MS 1996 Molecular biology of mammalian amino acid transporters. Annu. Rev. Biochem. 65: 305-336.

Manabe Y, Tinker N, Colville A, Miki B 2007 CSR1, the sole target of imidazolinone herbicide in Arabidopsis thaliana. Plant Cell Physiol. Aug 10 [Epub ahead of print].

Marais S, Thomson JA, Farrant JM, Mundree SG 2004 XvVHA-c''1 - a novel stress-responsive V-ATPase subunit c'' homologue isolated from the resurrection plant Xerophyta viscosa. Physiol. Plant. 122: 54-61.

Marek ET, Dickson RC 1987 Cloning and characterization of Saccharomyces cerevisiae genes that confer L-methionine sulfoximine and tabtoxin resistance. J. Bacteriol. 169: 2440-2448.

Marella HH, Quatrano RS 2007 The B2 domain of VIVIPAROUS1 is bi-functional and regulates nuclear localization and transactivation. Planta 225: 863-872.

Marini AM, Vissers S, Urrestarazu A, Andre B 1994 Cloning and expression of the MEP1 gene encoding an ammonium transporter in Saccharomyces cerevisiae. EMBO J. 13: 3456-3463.

Masclaux-Daubresse C, Reisdorf-Cren M, Pageau K, Lelandais M, Grandjean O, Kronenberger J, Valadier MH, Feraud M, Jouglet T, Suzuki A 2006 Glutamine synthetase/glutamate synthase pathway and glutamate dehydrogenase play distinct roles for sink/source nitrogen cycle in tobacco (Nicotiana tabacum L.). Plant Physiol. 140: 444-456.

Matsuoka K, Nakamura K 1999 Large alkyl side-chains of isoleucine and leucine in the NPIRL region constitute the core of the vacuolar sorting determinant of sporamin precursor. Plant Mol. Biol. 41: 825-835.

McBride AE, Weiss VH, Kim HK, Hogle JM, Silver PA 2000 Analysis of the yeast arginine methyltransferase hmt1p/rmt1p and its in vivo function. Cofactor binding and substrate interactions. J. Biol. Chem. 275: 3128-3136.

McCallum JA, Pither-Joyce M, Shaw M 2002 Sulfur deprivation and genotype affect gene expression and metabolism of onion roots. J. Am. Soc. Hortic. Sci. 127: 583-589.

McDonald AE, Amirsadeghi S, Vanlerberghe GC 2003 Prokaryotic orthologues of mitochondrial alternative oxidase and plastid terminal oxidase. Plant Mol. Biol. 53: 865-876.

McDonald AE, Amirsadeghi S, Vanlerberghe GC 2003 Prokaryotic orthologues of mitochondrial alternative oxidase and plastid terminal oxidase. Plant Mol.Biol. 53: 865-876.

McLeod SM, Xu JM, Cramton SE, Gaal T, Gourse RL, Johnson RC 1999 Localization of amino acids required for Fis to function as a class II transcriptional activator at the RpoS-dependent proP P2 promoter. J. Mol. Biol. 294: 333-346.

McNeil JB, Bognar AL, Pearlman RE 1996 In vivo analysis of folate coenzymes and their compartmentation in Saccharomyces cerevisiae. Genetics 142: 371-381.

Mendel RR, Hansch R 2002 Molybdoenzymes and molybdenum cofactor in plants. J. Exp. Bot. 53: 1689-1698.

Mi F, Peters JS, Berkowitz GA 1994 Characterization of a chloroplast inner envelope K+ channel. Plant Physiol. 105: 955-964.

Miflin BJ, Habash DZ 2002 The role of glutamine synthetase and glutamate dehydrogenase in nitrogen assimilation and possibilities for improvement in the nitrogen utilization of crops. J. Exp. Bot. 53: 979-987.

Millar AH, Sweetlove LJ, Giege P, Leaver CJ 2001 Analysis of the Arabidopsis mitochondrial proteome. Plant Physiol. 127: 1711-1727.

Milner JL, McClellan DJ, Wood JM 1987 Factors reducing and promoting the effectiveness of proline as an osmoprotectant in Escherichia coli K12. J. Gen. Microbiol. 133: 1851-1860.

Milner JL, Wood JM 1989 Insertion proQ220::Tn5 alters regulation of proline porter II, a transporter of proline and glycine betaine in Escherichia coli. J. Bacteriol. 171: 947-951.

Miranda M, Borisjuk L, Tewes A, Dietrich D, Rentsch D, Weber H, Wobus U 2003 Peptide and amino acid transporters are differentially regulated during seed development and germination in faba bean. Plant Physiol. 132: 1950-1960.

Miranda M, Borisjuk L, Tewes A, Heim U, Sauer N, Wobus U, Weber H 2001 Amino acid permeases in developing seeds of Vicia faba L.: expression precedes storage protein synthesis and is regulated by amino acid supply. Plant J. 28: 61-71.

Mogami N, Shiota H, Tanaka I 2002 The identification of a pollen-specific LEA-like protein in Lilium longiflorum. Plant Cell Environ. 25: 653-663.

Mohammadi M, Kav NN, Deyholos MK 2007 Transcriptional profiling of hexaploid wheat (Triticum aestivum L.) roots identifies novel, dehydration-responsive genes. Plant Cell Environ. 30: 630-645.

Monaco C, Tala A, Spinosa MR, Progida C, De Nitto E, Gaballo A, Bruni CB, Bucci C, Alifano P 2006 Identification of a meningococcal L-glutamate ABC transporter operon essential for growth in low-sodium environments. Infect. Immun. 74: 1725-1740.

Montamat F, Guilloton M, Karst F, Delrot S 1995 Isolation and characterization of a cDNA encoding Arabidopsis thaliana 3-hydroxy-3-methylglutaryl-coenzyme A synthase. Gene 167: 197-201.

Montamat F, Maurousset L, Tegeder M, Frommer W, Delrot S 1999 Cloning and expression of amino acid transporters from broad bean. Plant Mol. Biol. 41: 259-268.

Mrazek J, Spormann AM, Karlin S 2006 Genomic comparisons among gamma-proteobacteria. Environ. Microbiol. 8: 273-288.

Muntz K 1998 Deposition of storage proteins. Plant Mol. Biol. 38: 77-99.

Muralla R, Sweeney C, Stepansky A, Leustek T, Meinke D 2007 Genetic dissection of histidine biosynthesis in Arabidopsis. Plant Physiol. 144: 890-903.

Murata Y, Ma JF, Yamaji N, Ueno D, Nomoto K, Iwashita T 2006 A specific transporter for iron(III)-phytosiderophore in barley roots. Plant J. 46: 563-572.

Murayama S, Handa H 2007 Genes for alkaline/neutral invertase in rice: alkaline/neutral invertases are located in plant mitochondria and also in plastids. Planta 225: 1193-1203.

Murch SJ, Cox PA, Banack SA 2004 A mechanism for slow release of biomagnified cyanobacterial neurotoxins and neurodegenerative disease in Guam. Proc. Natl. Acad. Sci. U.S.A. 101: 12228-12231.

Murcha MW, Elhafez D, Lister R, Tonti-Filippini J, Baumgartner M, Philippar K, Carrie C, Mokranjac D, Soll J, Whelan J 2007 Characterization of the preprotein and amino acid transporter gene family in Arabidopsis. Plant Physiol. 143: 199-212.

Murcha MW, Lister R, Ho AY, Whelan J 2003 Identification, expression, and import of components 17 and 23 of the inner mitochondrial membrane translocase from Arabidopsis. Plant Physiol. 131: 1737-1747.

Muro-Pastor MI, Reyes JC, Florencio FJ 2005 Ammonium assimilation in cyanobacteria. Photosynth. Res. 83: 135-150.

Nalecz KA, Korzon D, Wawrzenczyk A, Nalecz MJ 1995 Transport of carnitine in neuroblastoma NB-2a cells. Arch. Biochem. Biophys. 322: 214-220.

Nazoa P, Vidmar JJ, Tranbarger TJ, Mouline K, Damiani I, Tillard P, Zhuo D, Glass AD, Touraine B 2003 Regulation of the nitrate transporter gene AtNRT2.1 in Arabidopsis thaliana: responses to nitrate, amino acids and developmental stage. Plant Mol. Biol. 52: 689-703.

Neelam A, Marvier AC, Hall JL, Williams LE 1999 Functional characterization and expression analysis of the amino acid permease RcAAP3 from castor bean. Plant Physiol. 120: 1049-1056.

Neufeld DS, Wright SH 1995 Basolateral transport of taurine in epithelial cells of isolated, perfused Mytilus californianus gills. J. Exp. Biol. 198: 465-473.

Neuhaus HE 2007 Transport of primary metabolites across the plant vacuolar membrane. FEBS Lett. 581: 2223-2226.

Neuhaus HE, Emes MJ 2000 Nonphotosynthetic metabolism in plastids. Annu. Rev. Plant Physiol. Plant Mol. Biol. 51: 111-140.

Newsholme P, Brennan L, Bender K 2006 Amino acid metabolism, {beta}-cell function, and diabetes. Diabetes 55 Suppl. 2: S39-S47.

Niegemann E, Schulz A, Bartsch K 1993 Molecular organization of the Escherichia coli gab cluster: nucleotide sequence of the structural genes gabD and gabP and expression of the GABA permease gene. Arch. Microbiol. 160: 454-460.

Nikiforova V, Kempa S, Zeh M, Maimann S, Kreft O, Casazza AP, Riedel K, Tauberger E, Hoefgen R, Hesse H 2002 Engineering of cysteine and methionine biosynthesis in potato. Amino Acids 22: 259-278.

Nilavongse A, Brondijk TH, Overton TW, Richardson DJ, Leach ER, Cole JA 2006 The NapF protein of the Escherichia coli periplasmic nitrate reductase system: demonstration of a cytoplasmic location and interaction with the catalytic subunit, NapA. Microbiology 152: 3227-3237.

Ninnemann O, Jauniaux JC, Frommer WB 1994 Identification of a high affinity NH4+ transporter from plants. EMBO J. 13: 3464-3471.

Nishizawa K, Maruyama N, Satoh R, Fuchikami Y, Higasa T, Utsumi S 2003 A C-terminal sequence of soybean beta-conglycinin alpha' subunit acts as a vacuolar sorting determinant in seed cells. Plant J. 34: 647-659.

Nishizawa K, Maruyama N, Utsumi S 2006 The C-terminal region of alpha' subunit of soybean beta-conglycinin contains two types of vacuolar sorting determinants. Plant Mol. Biol. 62: 111-125.

Niu J, Chen F, Mi G, Li C, Zhang F 2007 Transpiration, and nitrogen uptake and flow in two maize (Zea mays L.) inbred lines as affected by nitrogen supply. Ann. Bot. (Lond.) 99: 153-160.

Noctor G, Dutilleul C, De Paepe R, Foyer CH 2004 Use of mitochondrial electron transport mutants to evaluate the effects of redox state on photosynthesis, stress tolerance and the integration of carbon/nitrogen metabolism. J. Exp. Bot. 55: 49-57.

Novitskaya L, Trevanion SJ, Driscoll S, Foyer CH, Noctor G 2002 How does photorespiration modulate leaf amino acid contents? A dual approach through modelling and metabolite analysis. Plant Cell Environ. 25: 821-835.

Oh K, Ivanchenko MG, White TJ, Lomax TL 2006 The diageotropica gene of tomato encodes a cyclophilin: a novel player in auxin signaling. Planta 224: 133-144.

Ohsawa M, Mogi T, Yamamoto H, Yamato I, Anraku Y 1988 Proline carrier mutant of Escherichia coli K-12 with altered cation sensitivity of substrate-binding activity: cloning, biochemical characterization, and identification of the mutation. J. Bacteriol. 170: 5185-5191.

Okamura MY, Feher G 1992 Proton transfer in reaction centers from photosynthetic bacteria. Annu. Rev. Biochem. 61: 861-896.

Okumoto S, Koch W, Tegeder M, Fischer WN, Biehl A, Leister D, Stierhof YD, Frommer WB 2004 Root phloem-specific expression of the plasma membrane amino acid proton co-transporter AAP3. J. Exp. Bot. 55: 2155-2168.

Oliveira IC, Brenner E, Chiu J, Hsieh MH, Kouranov A, Lam HM, Shin MJ, Coruzzi G 2001 Metabolite and light regulation of metabolism in plants: lessons from the study of a single biochemical pathway. Braz. J. Med. Biol. Res. 34: 567-575.

Olivera H, Gonzalez A, Pena A 1993 Regulation of the amino acid permeases in nitrogen-limited continuous cultures of the yeast Saccharomyces cerevisiae. Yeast 9: 1065-1073.

Omata T, Andriesse X, Hirano A 1993 Identification and characterization of a gene cluster involved in nitrate transport in the cyanobacterium Synechococcus sp. PCC7942. Mol. Gen. Genet. 236: 193-202.

Orzechowski S, Socha-Hanc J, Paszkowski A 1999 Alanine aminotransferase and glycine aminotransferase from maize (Zea mays L.) leaves. Acta Biochim. Pol. 46: 447-457.

Ozcan N, Kramer R, Morbach S 2005 Chill activation of compatible solute transporters in Corynebacterium glutamicum at the level of transport activity. J. Bacteriol. 187: 4752-4759.

Parisi G, Perales M, Fornasari MS, Colaneri A, Gonzalez-Schain N, Gomez-Casati D, Zimmermann S, Brennicke A, Araya A, Ferry JG, Echave J, Zabaleta E 2004 Gamma carbonic anhydrases in plant mitochondria. Plant Mol. Biol. 55: 193-207.

Patron NJ, Greber B, Fahy BF, Laurie DA, Parker ML, Denyer K 2004 The lys5 mutations of barley reveal the nature and importance of plastidial ADP-Glc transporters for starch synthesis in cereal endosperm. Plant Physiol. 135: 2088-2097.

Peiter E, Yan F, Schubert S 2004 Amino acid export from infected cells of Vicia faba root nodules: Evidence for an apoplastic step in the infected zone. Physiol. Plant. 122: 107-114.

Perez MD, Gonzalez C, Avila J, Brito N, Siverio JM 1997 The YNT1 gene encoding the nitrate transporter in the yeast Hansenula polymorpha is clustered with genes YNI1 and YNR1 encoding nitrite reductase and nitrate reductase, and its disruption causes inability to grow in nitrate. Biochem. J. 321: 397-403.

Perez-Alegre M, Franco AR 1998 Resistance to L-methionine-S-sulfoximine in Chlamydomonas reinhardtii is due to an alteration in a general amino acid transport system. Planta 207: 20-26.

Perry JL, Dembla-Rajpal N, Hall LA, Pritchard JB 2006 A three-dimensional model of human organic anion transporter 1: aromatic amino acids required for substrate transport. J. Biol. Chem. 281: 38071-38079.

Perry JR, Basrai MA, Steiner HY, Naider F, Becker JM 1994 Isolation and characterization of a Saccharomyces cerevisiae peptide transport gene. Mol. Cell Biol. 14: 104-115.

Persson J, Nasholm T 2002 Regulation of amino acid uptake in conifers by exogenous and endogenous nitrogen. Planta 215: 639-644.

Persson J, Nasholm T 2003 Regulation of amino acid uptake by carbon and nitrogen in Pinus sylvestris. Planta 217: 309-315.

Peter GJ, During L, Ahmed A 2006 Carbon catabolite repression regulates amino acid permeases in Saccharomyces cerevisiae via the TOR signalling pathway. J. Biol. Chem. 281: 5546-5552.

Peter H, Bader A, Burkovski A, Lambert C, Kramer R 1997 Isolation of the putP gene of Corynebacterium glutamicum and characterization of a low-affinity uptake system for compatible solutes. Arch. Microbiol. 168: 143-151.

Peter H, Burkovski A, Kramer R 1996 Isolation, characterization, and expression of the Corynebacterium glutamicum betP gene, encoding the transport system for the compatible solute glycine betaine. J. Bacteriol. 178: 5229-5234.

Petersen MC, Hejgaard J, Thompson GA, Schulz A 2005 Cucurbit phloem serpins are graft-transmissible and appear to be resistant to turnover in the sieve element-companion cell complex. J. Exp. Bot. 56: 3111-3120.

Peterson RB, Havir EA 2001 Photosynthetic properties of an Arabidopsis thaliana mutant possessing a defective PsbS gene. Planta 214: 142-152.

Petronini PG, De Angelis E, Borghetti AF, Wheeler KP 1994 Osmotically inducible uptake of betaine via amino acid transport system A in SV-3T3 cells. Biochem. J. 300: 45-50.

Petronini PG, De Angelis EM, Borghetti P, Borghetti AF, Wheeler KP 1992 Modulation by betaine of cellular responses to osmotic stress. Biochem. J. 282: 69-73.

Peuke AD, Windt C, Van As H 2006 Effects of cold-girdling on flows in the transport phloem in Ricinus communis: is mass flow inhibited? Plant Cell Environ. 29: 15-25.

Peuke AD, Windt C, Van As H 2006 Effects of cold-girdling on flows in the transport phloem in Ricinus communis: is mass flow inhibited?. Plant Cell Environ. 29: 15-25.

Pi J, Chow H, Pittard AJ 2002 Study of second-site suppression in the PheP gene for the phenylalanine transporter of Escherichia coli. J. Bacteriol. 184: 5842-5847.

Pittman JK, Hirschi KD 2001 Regulation of CAX1, an Arabidopsis Ca2+/H+ antiporter. Identification of an N-terminal autoinhibitory domain. Plant Physiol. 127: 1020-109.

Pittman JK, Sreevidya CS, Shigaki T, Ueoka-Nakanishi H, Hirschi KD 2002 Distinct N-terminal regulatory domains of Ca(2+)/H(+) antiporters. Plant Physiol. 130: 1054-1062.

Poletti S, Gruissem W, Sautter C 2004 The nutritional fortification of cereals. Curr. Opin. Biotechnol. 15: 162-165.

Pomposiello PJ, Bennik MH, Demple B 2001 Genome-wide transcriptional profiling of the Escherichia coli responses to superoxide stress and sodium salicylate. J. Bacteriol. 183: 3890-3902.

Poole P, Allaway D 2000 Carbon and nitrogen metabolism in Rhizobium. Adv. Microb. Physiol. 43: 117-163.

Popova OV, Dietz KJ, Golldack D 2003 Salt-dependent expression of a nitrate transporter and two amino acid transporter genes in Mesembryanthemum crystallinum. Plant Mol. Biol. 52: 569-578.

Potokina E, Sreenivasulu N, Altschmied L, Michalek W, Graner A 2002 Differential gene expression during seed germination in barley (Hordeum vulgare L.). Funct. Integr. Genomics 2: 28-39.

Preston AS, Yamauchi A, Kwon HM, Handler JS 1995 Activators of protein kinase A and of protein kinase C inhibit MDCK cell myo-inositol and betaine uptake. J. Am. Soc. Nephrol. 6: 1559-1564.

Prieto R, Fernandez E 1993 Toxicity of and mutagenesis by chlorate are independent of nitrate reductase activity in Chlamydomonas reinhardtii. Mol. Gen. Genet. 237: 429-438.

Prigent-Combaret C, Vidal O, Dorel C, Lejeune P 1999 Abiotic surface sensing and biofilm-dependent regulation of gene expression in Escherichia coli. J. Bacteriol. 181: 5993-6002.

Prosser IM, Purves JV, Saker LR, Clarkson DT 2001 Rapid disruption of nitrogen metabolism and nitrate transport in spinach plants deprived of sulphate. J. Exp. Bot. 52: 113-121.

Provan F, Aksland LM, Meyer C, Lillo C 2000 Deletion of the nitrate reductase N-terminal domain still allows binding of 14-3-3 proteins but affects their inhibitory properties. Plant Physiol. 123: 757-764.

Qi H, Atkinson I, Xiao S, Choi YJ, Tobimatsu T, Shane B 1999 Folylpoly-gamma-glutamate synthetase: generation of isozymes and the role in one carbon metabolism and antifolate cytotoxicity. Adv. Enzyme Reg. 39: 263-273.

Qiu JL, Jilk R, Marks MD, Szymanski DB 2002 The Arabidopsis SPIKE1 gene is required for normal cell shape control and tissue development. Plant Cell 14: 101-118.

Quesada A, Galvan A, Fernandez E 1994 Identification of nitrate transporter genes in Chlamydomonas reinhardtii. Plant J. 5: 407-419.

Quesada A, Gomez I, Fernandez E 1998 Clustering of the nitrite reductase gene and a light-regulated gene with nitrate assimilation loci in Chlamydomonas reinhardtii. Planta 206: 259-265.

Quick M, Jung H 1997 Aspartate 55 in the Na+/proline permease of Escherichia coli is essential for Na+-coupled proline uptake. Biochemistry 36: 4631-4636.

Quick M, Tebbe S, Jung H 1996 Ser57 in the Na+/proline permease of Escherichia coli is critical for high-affinity proline uptake. Eur. J. Biochem. 239: 732-736.

Rae AL, Cybinski DH, Jarmey JM, Smith FW 2003 Characterization of two phosphate transporters from barley; evidence for diverse function and kinetic properties among members of the Pht1 family. Plant Mol. Biol. 53: 27-36.

Rae AL, Perroux JM, Grof CP 2005 Sucrose partitioning between vascular bundles and storage parenchyma in the sugarcane stem: a potential role for the ShSUT1 sucrose transporter. Planta 220: 817-825.

Rainesalo S, Keranen T, Saransaari P, Honkaniemi J 2005 GABA and glutamate transporters are expressed in human platelets. Brain Res. Mol. Brain Res. 141: 161-155.

Ramirez DM, Bentley WE 1999 Characterization of stress and protein turnover from protein overexpression in fed-batch E. coli cultures. J. Biotechnol. 71: 39-58.

Raschke BC, Wolf AH 1996 Molecular cloning of a P-type Ca(2+)-ATPase from the halotolerant alga Dunaliella bioculata. Planta 200: 78-84.

Rasola A, Galietta LJ, Barone V, Romeo G, Bagnasco S 1995 Molecular cloning and functional characterization of a GABA/betaine transporter from human kidney. FEBS Lett. 373: 229-233.

Raymond MJ, Smirnoff N 2002 Proline metabolism and transport in maize seedlings at low water potential. Ann. Bot. (Lond.) 89: 813-823.

Reber G, Ropars M, Deshusses J 1980 Labelling of the cyclitol permease in Klebsiella aerogenes. Biochem. J. 185: 253-257.

Regenberg B, Villalba JM, Lanfermeijer FC, Palmgren MG 1995 C-terminal deletion analysis of plant plasma membrane H(+)-ATPase: yeast as a model system for solute transport across the plant plasma membrane. Plant Cell 7: 1655-1666.

Regev R, Peri I, Gilboa H, Avi-Dor Y 1990 13C NMR study of the interrelation between synthesis and uptake of compatible solutes in two moderately halophilic eubacteria. Bacterium Ba1and Vibro costicola. Arch. Biochem. Biophys. 278: 106-112.

Reith ME, Zhen J, Chen N 2006 The importance of company: Na+ and Cl- influence substrate interaction with SLC6 transporters and other proteins. Handb. Exp. Pharmacol. 175: 75-93.

Rentsch D, Boorer KJ, Frommer WB 1998 Structure and function of plasma membrane amino acid, oligopeptide and sucrose transporters from higher plants. J. Membr. Biol. 162: 177-190.

Rentsch D, Laloi M, Rouhara I, Schmelzer E, Delrot S, Frommer WB 1995 NTR1 encodes a high affinity oligopeptide transporter in Arabidopsis. FEBS Lett. 370: 264-268.

Rentsch D, Schmidt S, Tegeder M 2007 Transporters for uptake and allocation of organic nitrogen compounds in plants. FEBS Lett. 581: 2281-2289.

Rexach J, Fernandez E, Galvan A 2000 The Chlamydomonas reinhardtii Nar1 gene encodes a chloroplast membrane protein involved in nitrite transport. Plant Cell 12: 1441-1454.

Rial DV, Lombardo VA, Ceccarelli EA, Ottado J 2002 The import of ferredoxin-NADP+ reductase precursor into chloroplasts is modulated by the region between the transit peptide and the mature core of the protein. Eur. J. Biochem. 269: 5431-5439.

Rimmele M, Boos W 1994 Trehalose-6-phosphate hydrolase of Escherichia coli. J. Bacteriol. 176: 5654-5664.

Rivero GC, Tremblay MF, Charest C, Laliberte S 2002 Effect of nitrogen stress on growth, soluble metabolites, and glutamine synthetase activity of Jack pine callus cultures. J. Plant Nutr. 25: 443-455.

Robertson DE, Noll D, Roberts MF 1992 Free amino acid dynamics in marine methanogens. beta-Amino acids as compatible solutes. J. Biol. Chem. 267: 14893-14901.

Roessner-Tunali U, Urbanczyk-Wochniak E, Czechowski T, Kolbe A, Willmitzer L, Fernie AR 2003 De novo amino acid biosynthesis in potato tubers is regulated by sucrose levels. Plant Physiol. 133: 683-692.

Rolletschek H, Hosein F, Miranda M, Heim U, Gotz KP, Schlereth A, Borisjuk L, Saalbach I, Wobus U, Weber H 2005 Ectopic expression of an amino acid transporter (VfAAP1) in seeds of Vicia narbonensis and pea increases storage proteins. Plant Physiol. 137: 1236-1249.

Rorat T, Szabala BM, Grygorowicz WJ, Wojtowicz B, Yin Z, Rey P 2006 Expression of SK(3)-type dehydrin in transporting organs is associated with cold acclimation in Solanum species. Planta 224: 205-221.

Rosenberg NK, Lee RW, Yancey PH 2006 High contents of hypotaurine and thiotaurine in hydrothermal-vent gastropods without thiotrophic endosymbionts. J. Exp. Zoolog. A. Comp. Exp. Biol. 305: 655-662.

Rosenthal GA, Rhodes D 1984 L-Canavanine transport and utilization in developing jack bean, Canavalia ensiformis (L.) DC. [Leguminosae]. Plant Physiol. 76: 541-544.

Rossi F, Gatto V, Marzotto M, Torriani S 2006 A genetic insight into peptide and amino-acid utilization by Propionibacterium freudenreichii LMG 16415. Curr. Microbiol. 52: 464-468.

Roth C, Menzel G, Petetot JM, Rochat-Hacker S, Poirier Y 2004 Characterization of a protein of the plastid inner envelope having homology to animal inorganic phosphate, chloride and organic-anion transporters. Planta 218: 406-416.

Rouillon A, Surdin-Kerjan Y, Thomas D 1999 Transport of sulfonium compounds. Characterization of the S-adenosylmethionine and S-methylmethionine permeases from the yeast Saccharomyces cerevisiae. J. Biol. Chem. 274: 28096-28105.

Ruiz-Lozano JM, Collados C, Porcel R, Azcon R, Barea JM 2002 Identification of a cDNA from the arbuscular mycorrhizal fungus Glomus intraradices that is expressed during mycorrhizal symbiosis and up-regulated by N fertilization. Mol. Plant Microbe Interact. 15: 360-367.

Saenz DA, Chianelli MS, Stella CA, Mattoon JR, Ramos EH 1997 RAS2/PKA pathway activity is involved in the nitrogen regulation of L-leucine uptake in Saccharomyces cerevisiae. Int. J. Biochem. Cell Biol. 29: 505-512.

Saito K 2000 Regulation of sulfate transport and synthesis of sulfur-containing amino acids. Curr. Opin. Plant Biol. 3: 188-195.

Salomonsson L, Lee A, Gennis RB, Brzezinski P 2004 A single-amino-acid lid renders a gas-tight compartment within a membrane-bound transporter. Proc. Natl. Acad. Sci. U.S.A. 101: 11617-11621.

Scaglia F, Wang Y, Longo N 1999 Functional characterization of the carnitine transporter defective in primary carnitine deficiency. Arch. Biochem. Biophys. 364: 99-106.

Scheible WR, Morcuende R, Czechowski T, Fritz C, Osuna D, Palacios-Rojas N, Schindelasch D, Thimm O, Udvardi MK, Stitt M 2004 Genome-wide reprogramming of primary and secondary metabolism, protein synthesis, cellular growth processes, and the regulatory infrastructure of Arabidopsis in response to nitrogen. Plant Physiol. 136: 2483-2499.

Schiller D, Rubenhagen R, Kramer R, Morbach S 2004 The C-terminal domain of the betaine carrier BetP of Corynebacterium glutamicum is directly involved in sensing K+ as an osmotic stimulus. Biochemistry 43: 5583-5591.

Schilling CH, Covert MW, Famili I, Church GM, Edwards JS, Palsson BO 2002 Genome-scale metabolic model of Helicobacter pylori 26695. J. Bacteriol. 184: 4582-4593.

Schjoerring JK, Husted S, Mack G, Mattsson M 2002 The regulation of ammonium translocation in plants. J. Exp. Bot. 53: 883-890.

Schlegel A, Danot O, Richet E, Ferenci T, Boos W 2002 The N terminus of the Escherichia coli transcription activator MalT is the domain of interaction with MalY. J. Bacteriol. 184: 3069-3077.

Schneidereit J, Hausler RE, Fiene G, Kaiser WM, Weber AP 2006 Antisense repression reveals a crucial role of the plastidic 2-oxoglutarate/malate translocator DiT1 at the interface between carbon and nitrogen metabolism. Plant J. 45: 206-224.

Scholz-Starke J, Buttner M, Sauer N 2003 AtSTP6, a new pollen-specific H+-monosaccharide symporter from Arabidopsis. Plant Physiol. 131: 70-77.

Schottler MA, Flugel C, Thiele W, Bock R 2007 Knock-out of the plastid-encoded PetL subunit results in reduced stability and accelerated leaf age-dependent loss of the cytochrome b6f complex. J. Biol. Chem. 282: 976-985.

Schulze W, Frommer WB, Ward JM 1999 Transporters for ammonium, amino acids and peptides are expressed in pitchers of the carnivorous plant Nepenthes. Plant J. 17: 637-646.

Schuster J, Binder S 2005 The mitochondrial branched-chain aminotransferase (AtBCAT-1) is capable to initiate degradation of leucine, isoleucine and valine in almost all tissues in Arabidopsis thaliana. Plant Mol. Biol. 57: 241-254.

Schwacke R, Grallath S, Breitkreuz KE, Stransky E, Stransky H, Frommer WB, Rentsch D 1999 LeProT1, a transporter for proline, glycine betaine, and gamma-amino butyric acid in tomato pollen. Plant Cell 11: 377-392.

Schwan WF, Wetzel KJ, Gomez TS, Stiles MA, Beitlich BD, Grunwald S 2004 Low-proline environments impair growth, proline transport and in vivo survival of Staphylococcus aureus strain-specific putP mutants. Microbiology (U.K.) 150: 1055-1061.

Seiffert B, Zhou ZW, Wallbraun M, Lohaus G, Mollers C 2004 Expression of a bacterial asparagine synthetase gene in oilseed rape (Brassica napus) and its effect on traits related to nitrogen efficiency. Physiol. Plant. 121: 656-665.

Seiler N 1990 Polyamine metabolism. Digestion 46: 319-330.

Self JT, Spencer TE, Johnson GA, Hu JB, Bazer FW, Wu GY 2004 Glutamine synthesis in the developing porcine placental. Biol. Reprod. 70: 1444-1451.

Senecoff JF, Meagher RB 1993 Isolating the Arabidopsis thaliana genes for de novo purine synthesis by suppression of Escherichia coli mutants. I. 5'-Phosphoribosyl-5-aminoimidazole synthetase. Plant Physiol. 102: 387-399.

Sentenac H, Bonneaud N, Minet M, Lacroute F, Salmon JM, Gaymard F, Grignon C 1992 Cloning and expression in yeast of a plant potassium ion transport system. Science 256: 663-665.

Shakoury-Elizeh M, Tiedeman J, Rashford J, Ferea T, Demeter J, Garcia E, Rolfes R, Brown PO, Botstein D, Philpott CC 2004 Transcriptional remodeling in response to iron deprivation in Saccharomyces cerevisiae. Mol. Biol. Cell 15: 1233-1243.

Shelp BJ, Bown AW, McLean MD 1999 Metabolism and functions of gamma-aminobutyric acid. Trends Plant Sci. 4: 446-452.

Sherwin AL 1999 Neuroactive amino acids in focally epileptic human brain: a review. Neurochem. Res. 24: 1387-1395.

Shibagaki N, Grossman AR 2006 The role of the STAS domain in the function and biogenesis of a sulfate transporter as probed by random mutagenesis. J. Biol. Chem. 281: 22964-22973.

Shigaki T, Sreevidya C, Hirschi KD 2002 Analysis of the Ca2+ domain in the Arabidopsis H+/Ca2+ antiporters CAX1 and CAX3. Plant Mol. Biol. 50: 475-483.

Simon J, Gross R, Einsle O, Kroneck PM, Kroger A, Klimmek O 2000 A NapC/NirT-type cytochrome c (NrfH) is the mediator between the quinone pool and the cytochrome c nitrite reductase of Wolinella succinogenes. Mol. Microbiol. 35: 686-696.

Singh AK, Singh HN, Rai AN 1991 Evidence for a role of glutamine synthetase in assimilation of amino acids as nitrogen source in the cyanobacterium Nostoc muscorum. Biochem. Int. 25: 887-894.

Siritunga D, Sayre R 2004 Engineering cyanogen synthesis and turnover in cassava (Manihot esculenta). Plant Mol. Biol. 56: 661-669.

Slater R, Bishop NE 2006 Genetic structure and evolution of the Vps25 family, a yeast ESCRT-II component. BMC Evol. Biol. 6: 59.

Sleator RD, Gahan CG, Abee T, Hill C 1999 Identification and disruption of BetL, a secondary glycine betaine transport system linked to the salt tolerance of Listeria monocytogenes LO28. Appl. Environ. Microbiol. 65: 2078-2083.

Smith FW, Hawkesford MJ, Ealing PM, Clarkson DT, Vanden Berg PJ, Belcher AR, Warrilow AG 1997 Regulation of expression of a cDNA from barley roots encoding a high affinity sulphate transporter. Plant J. 12: 875-884.

Smith KE, Borden LA, Wang CH, Hartig PR, Branchek TA, Weinshank RL 1992 Cloning and expression of a high affinity taurine transporter from rat brain. Mol. Pharmacol. 42: 563-569.

Smulski DR, Huang LXL, McCluskey MP, Reeve MJG, Vollmer AC, Van Dyk TK, LaRossa RA 2001 Combined, functional genomic-biochemical approach to intermediary metabolism: Interaction of acivicin, a glutamine amidotransferase inhibitor, with Escherichia coli K-12. J. Bacteriol. 183: 3353-3364.

Song XF, Yang CY, Liu J, Yang WC 2006 RPA, a class II ARFGAP protein, activates ARF1 and U5 and plays a role in root hair development in Arabidopsis. Plant Physiol. 141: 966-976.

Sorokin A, Zumstein E, Azevedo V, Ehrlich SD, Serror P 1993 The organization of the Bacillus subtilis 168 chromosome region between the spoVA and serA genetic loci, based on sequence data. Mol. Microbiol. 10: 385-395.

Stadler R, Lauterbach C, Sauer N 2005 Cell-to-cell movement of green fluorescent protein reveals post-phloem transport in the outer integument and identifies symplastic domains in Arabidopsis seeds and embryos. Plant Physiol. 139: 701-712.

Steiner HY, Song W, Zhang L, Naider F, Becker JM, Stacey G 1994 An Arabidopsis peptide transporter is a member of a new class of membrane transport proteins. Plant Cell 6: 1289-1299.

Stepansky A, Leustek T 2006 Histidine biosynthesis in plants. Amino Acids 30: 127-142.

Stuiver CEE, DeKok LJ, Westerman S 1997 Sulfur deficiency in Brassica oleracea L: Development, biochemical characterization, and sulfur/nitrogen interactions. Russ. J. Plant Physiol. 44: 505-513.

Sturm A, Tang G-Q 1999 The sucrose-cleaving enzymes of plants are crucial for development, growth and carbon partitioning. Trends Plant Sci. 4: 401-407.

Su YH, Frommer WB, Ludewig U 2004 Molecular and functional characterization of a family of amino acid transporters from Arabidopsis. Plant Physiol. 136: 3104-3113.

Suzuki A, Knaff DB 2005 Glutamate synthase: structural, mechanistic and regulatory properties, and role in the amino acid metabolism. Photosynth. Res. 83: 191-217.

Suzuki E, Horikoshi N, Kohzuma T 1999 Cloning, sequencing, and transcriptional studies of the gene encoding copper-containing nitrite reductase from Alcaligenes xylosoxidans NCIMB 11015. Biochem. Biophys. Res. Commun. 255: 427-431.

Svennerstam H, Ganeteg U, Bellini C, Nasholm T 2007 Comprehensive screening of Arabidopsis mutants suggests the lysine histidine transporter 1 to be involved in plant uptake of amino acids. Plant Physiol. 143: 1853-1860.

Szczyglowski K, Kapranov P, Hamburger D, de Bruijn FJ 1998 The Lotus japonicus LjNOD70 nodulin gene encodes a protein with similarities to transporters. Plant Mol. Biol. 37: 651-661.

Tabuchi M, Abiko T, Yamaya T 2007 Assimilation of ammonium ions and reutilization of nitrogen in rice (Oryza sativa L.). J. Exp. Bot. 58: 2319-2327.

Takabatake R, Hata S, Taniguchi M, Kouchi H, Sugiyama T, Izui K 1999 Isolation and characterization of cDNAs encoding mitochondrial phosphate transporters in soybean, maize, rice, and Arabidopis. Plant Mol. Biol. 40: 479-486.

Takahashi H, Sasakura N, Noji M, Saito K 1996 Isolation and characterization of a cDNA encoding a sulfate transporter from Arabidopsis thaliana. FEBS Lett. 392: 95-99.

Takahashi M, Nakanishi H, Kawasaki S, Nishizawa NK, Mori S 2001 Enhanced tolerance of rice to low iron availability in alkaline soils using barley nicotianamine aminotransferase genes. Nat. Biotechnol. 19: 466-469.

Tamai I, Ohashi R, Nezu J, Yabuuchi H, Oku A, Shimane M, Sai Y, Tsuji A 1998 Molecular and functional identification of sodium ion-dependent, high affinity human carnitine transporter OCTN2. J. Biol. Chem. 273: 20378-20382.

Tanner W, Caspari T 1996 Membrane transport carriers. Annu. Rev. Plant Physiol. Plant Mol. Biol. 47: 595-626.

Tate R, Ferraioli S, Filosa S, Cermola M, Riccio A, Iaccarino M, Patriarca EJ 2004 Glutamine utilization by Rhizobium etli. Mol. Plant Microbe Interact. 17: 720-728.

Tecsi LI, Maule AJ, Smith AM, Leegood RC 1994 Metabolic alterations in cotyledons of Cucurbita pepo infected by cucumber mosaic virus. J. Exp. Bot. 45: 1541-1551.

Tegeder M, Offler CE, Frommer WB, Patrick JW 2000 Amino acid transporters are localized to transfer cells of developing pea seeds. Plant Physiol. 122: 319-326.

Temple SJ, Vance CP, Gantt JS 1998 Glutamate synthase and nitrogen assimilation. Trends Plant Sci. 3: 51-56.

Tetlow IJ, Blissett KJ, Emes MJ 1998 Metabolite pools during starch synthesis and carbohydrate oxidation in amyloplasts isolated from wheat endosperm. Planta 204: 100-108.

Thanbichler M, Neuhierl B, Bock A 1999 S-methylmethionine metabolism in Escherichia coli. J. Bacteriol. 181: 662-665.

Thornton B 2004 Inhibition of nitrate influx by glutamine in Lolium perenne depends upon the contribution of the HATS to the total influx. J. Exp. Bot. 55: 761-769.

Thwaites DT, Anderson CM 2007 Deciphering the mechanisms of intestinal imino (and amino) acid transport: the redemption of SLC36A1. Biochim. Biophys. Acta 1768: 179-197.

Tilsner J, Kassner N, Struck C, Lohaus G 2005 Amino acid contents and transport in oilseed rape (Brassica napus L.) under different nitrogen conditions. Planta 221: 328-338.

Todd CD, Cooke JE, Mullen RT, Gifford DJ 2001 Regulation of loblolly pine (Pinus taeda L.) arginase in developing seedling tissue during germination and post-germinative growth. Plant Mol. Biol. 45: 555-565.

Torres GA, Lelandais-Briere C, Besin E, Jubier MF, Roche O, Mazubert C, Corre-Menguy F, Hartmann C 2003 Characterization of the expression of Phaseolus vulgaris OCT1, a dehydration-regulated gene that encodes a new type of phloem transporter. Plant Mol. Biol. 51: 341-349.

Traub M, Florchinger M, Piecuch J, Kunz HH, Weise-Steinmetz A, Deitmer JW, Ekkehard Neuhaus H, Mohlmann T 2007 The fluorouridine insensitive 1 (fur1) mutant is defective in equilibrative nucleoside transporter 3 (ENT3), and thus represents an important pyrimidine nucleoside uptake system in Arabidopsis thaliana. Plant J. 49: 855-864.

Tsai FY, Coruzzi GM 1990 Dark-induced and organ-specific expression of two asparagine synthetase genes in Pisum sativum. EMBO J. 9: 323-332.

Ubarretxena-Belandia I, Tate CG 2004 New insights into the structure and oligomeric state of the bacterial multidrug transporter EmrE: an unusual asymmetric homo-dimer. FEBS Lett. 564: 234-238.

Ueda A, Shi WM, Sanmiya K, Shono M, Takabe T 2001 Functional analysis of salt-inducible proline transporter of barley roots. Plant Cell Physiol. 42: 1282-1289.

Unkles SE, Hawker KL, Grieve C, Campbell EI, Montague P, Kinghorn JR 1991 crnA encodes a nitrate transporter in Aspergillus nidulans. Proc. Natl. Acad. Sci. U.S.A. 88: 204-208.

Unkles SE, Rouch DA, Wang Y, Siddiqi MY, Glass AD, Kinghorn JR 2004 Two perfectly conserved arginine residues are required for substrate binding in a high-affinity nitrate transporter. Proc. Natl. Acad. Sci. U.S.A. 101: 17549-17554.

Uozumi N, Kim EJ, Rubio F, Yamaguchi T, Muto S, Tsuboi A, Bakker EP, Nakamura T, Schroeder JI 2000 The Arabidopsis HKT1 gene homolog mediates inward Na(+) currents in Xenopus laevis oocytes and Na(+) uptake in Saccharomyces cerevisiae. Plant Physiol. 122: 1249-1260.

Valle EM, Boggio SB, Heldt HW 1998 Free amino acid composition of phloem sap and growing fruit of Lycopersicon esculentum. Plant Cell Physiol. 39: 458-461.

van der Zaal BJ, Neuteboom LW, Pinas JE, Chardonnens AN, Schat H, Verkleij JA, Hooykaas PJ 1999 Overexpression of a novel Arabidopsis gene related to putative zinc-transporter genes from animals can lead to enhanced zinc resistance and accumulation. Plant Physiol. 119: 1047-1055.

Van Dongen JT, Schurr U, Pfister M, Geigenberger P 2003 Phloem metabolism and function have to cope with low internal oxygen. Plant Physiol. 131: 1529-1543.

van Heeswijk WC, Hoving S, Molenaar D, Stegeman B, Kahn D, Westerhoff HV 1996 An alternative PII protein in the regulation of glutamine synthetase in Escherichia coli. Mol. Microbiol. 21: 133-146.

Vanlerberghe GC, McIntosh L 1994 Mitochondrial electron transport regulation of nuclear gene expression. Studies with the alternative oxidase gene of tobacco. Plant Physiol. 105: 867-874.

Verbruggen N, Borstlap AC, Jacobs M, Van Montagu M, Messens E 1996 The raz1 mutant of Arabidopsis thaliana lacks the activity of a high-affinity amino acid transporter. Planta 200: 247-253.

Vergunst AC, van Lier MC, den Dulk-Ras A, Hooykaas PJ 2003 Recognition of the Agrobacterium tumefaciens VirE2 translocation signal by the VirB/D4 transport system does not require VirE1. Plant Physiol. 133: 978-988.

Vermeulen V, Kunte HJ 2004 Marinococcus halophilus DSM 20408T encodes two transporters for compatible solutes belonging to the betaine-carnitine-choline transporter family: identification and characterization of ectoine transporter EctM and glycine betaine transporter BetM. Extremophiles 8: 175-184.

Verrey F, Jack DL, Paulsen IT, Saier MH, Pfeiffer R 1999 New glycoprotein-associated amino acid transporters. J. Membr. Biol. 172: 181-192.

Vidmar JJ, Schjoerring JK, Touraine B, Glass AD 1999 Regulation of the hvst1 gene encoding a high-affinity sulfate transporter from Hordeum vulgare. Plant Mol. Biol. 40: 883-892.

Vidmar JJ, Zhuo D, Siddiqi MY, Glass AD 2000 Isolation and characterization of HvNRT2.3 and HvNRT2.4, cDNAs encoding high-affinity nitrate transporters from roots of barley. Plant Physiol. 122: 783-792.

Vidmar JJ, Zhuo D, Siddiqi MY, Schjoerring JK, Touraine B, Glass AD 2000 Regulation of high-affinity nitrate transporter genes and high-affinity nitrate influx by nitrogen pools in roots of barley. Plant Physiol. 123: 307-318.

von Wiren N, Lauter FR, Ninnemann O, Gillissen B, Walch-Liu P, Engels C, Jost W, Frommer WB 2000 Differential regulation of three functional ammonium transporter genes by nitrogen in root hairs and by light in leaves of tomato. Plant J. 21: 167-175.

Wacker I, Ludwig H, Reif I, Blencke HM, Detsch C, Stulke J 2003 The regulatory link between carbon and nitrogen metabolism in Bacillus subtilis: regulation of the gltAB operon by the catabolite control protein CcpA. Microbiology 149: 3001-3009.

Waditee R, Hibino T, Tanaka Y, Nakamura T, Incharoensakdi A, Hayakawa S, Suzuki S, Futsuhara Y, Kawamitsu Y, Takabe T, Takabe T 2002 Functional characterization of betaine/proline transporters in betaine-accumulating mangrove. J. Biol. Chem. 277: 18373-18382.

Wagner UG, Stupperich E, Kratky C 2000 Structure of the molybdate/tungstate binding protein Mop from Sporomusa ovata. Structure Fold. Des. 8: 1127-1136.

Walling LL 2006 Recycling or regulation? The role of amino-terminal modifying enzymes. Curr. Opin. Plant Biol. 9: 227-233.

Wang H, Miyazaki S, Kawai K, Deyholos M, Galbraith DW, Bohnert HJ 2003 Temporal progression of gene expression responses to salt shock in maize roots. Plant Mol. Biol. 52: 873-891.

Waterhouse RN, Smyth AJ, Massonneau A, Prosser IM, Clarkson DT 1996 Molecular cloning and characterisation of asparagine synthetase from Lotus japonicus: dynamics of asparagine synthesis in N-sufficient conditions. Plant Mol. Biol. 30: 883-897.

Waterworth WM, Ashley MK, West CE, Sunderland PA, Bray CM 2005 A role for phosphorylation in the regulation of the barley scutellar peptide transporter HvPTR1 by amino acids. J. Exp. Bot. 56: 1545-1552.

Weber P, Jager M, Bangsow T, Knell G, Piechaczek K, Koch J, Wolf S 1999 Kinetic parameters and tissue distribution of 5-oxo-L-prolinase determined by a fluorimetric assay. J. Biochem. Biophys. Methods 38: 71-82.

Wei GR, Kustu S 1981 Glutamine auxotrophs with mutations in a nitrogen regulatory gene, ntrC, that is near glnA. Mol. Gen. Genet. 183: 392-399.

Welsh DT, Reed RH, Herbert RA 1991 The role of trehalose in the osmoadaptation of Escherichia coli NCIB-9484: interaction of trehalose, K+ and glutamate during osmoadaptation in continuous culture. J. Gen. Microbiol. 137: 745-750.

Wengender PA, Miller KJ 1995 Identification of a PutP proline permease gene homolog from Staphylococcus aureus by expression cloning of the high-affinity proline transport system in Escherichia coli. Appl. Environ. Microbiol. 61: 252-259.

Whipp MJ, Camakaris H, Pittard AJ 1998 Cloning and analysis of the shiA gene, which encodes the shikimate transport system of Escherichia coli K-12. Gene 209: 185-192.

White PJ, Bowen HC, Parmaguru P, Fritz M, Spracklen WP, Spiby RE, Meacham MC, Mead A, Harriman M, Trueman LJ, Smith BM, Thomas B, Broadley MR 2004 Interactions between selenium and sulphur nutrition in Arabidopsis thaliana. J. Exp. Bot. 55: 1927-1937.

Williams LE, Miller AJ 2001 Transporters responsible for the uptake and partitioning of nitrogenous solutes. Annu. Rev. Plant Physiol. Plant Mol. Biol. 52: 659-688.

Winkler HH, Daugherty RM 1984 Proline transport and metabolism in Rickettsia prowazekii. J. Bacteriol. 158: 460-463.

Wipf D, Benjdia M, Tegeder M, Frommer WB 2002 Characterization of a general amino acid permease from Hebeloma cylindrosporum. FEBS Lett. 528: 119-124.

Wipf D, Ludewig U, Tegeder M, Rentsch D, Koch W, Frommer WB 2002 Conservation of amino acid transporters in fungi, plants and animals. Trends Biochem. Sci. 27: 139-147.

Wolfersberger MG 2000 Amino acid transport in insects. Annu. Rev. Entomol. 45: 111-120.

Wu J, Hettenhausen C, Meldau S, Baldwin IT 2007 Herbivory rapidly activates MAPK signaling in attacked and unattacked leaf regions but not between leaves of Nicotiana attenuata. Plant Cell 19: 1096-1122.

Wu Z, Burns JK 2003 Isolation and characterization of a cDNA encoding a lipid transfer protein expressed in 'Valencia' orange during abscission. J. Exp. Bot. 54: 1183-1191.

Xu W, Shioiri H, Kojima M, Nozue M 2001 Primary structure and expression of a 24-kD vacuolar protein (VP24) precursor in anthocyanin-producing cells of sweet potato in suspension culture. Plant Physiol. 125: 447-455.

Yamaguchi H, Nishizawa NK, Nakanishi H, Mori S 2002 IDI7, a new iron-regulated ABC transporter from barley roots, localizes to the tonoplast. J. Exp. Bot. 53: 727-735.

Yamauchi A, Uchida S, Kwon HM, Preston AS, Robey RB, Garcia-Perez A, Burg MB, Handler JS 1992 Cloning of a Na(+)- and Cl(-)-dependent betaine transporter that is regulated by hypertonicity. J. Biol. Chem. 267: 649-652.

Yang C, Hua Q, Shimizu K 2002 Metabolic flux analysis in Synechocystis using isotope distribution from 13C-labeled glucose. Metab. Eng. 4: 202-216.

Yokoyama T, Banta S, Berthiaume F, Nagrath D, Tompkins RG, Yarmush ML 2005 Evolution of intrahepatic carbon, nitrogen, and energy metabolism in a D-galactosamine-induced rat liver failure model. Metab. Eng. 7: 88-103.

Yoshimoto N, Takahashi H, Smith FW, Yamaya T, Saito K 2002 Two distinct high-affinity sulfate transporters with different inducibilities mediate uptake of sulfate in Arabidopsis roots. Plant J. 29: 465-473.

Zhang H, Rong H, Pilbeam D 2007 Signalling mechanisms underlying the morphological responses of the root system to nitrogen in Arabidopsis thaliana. J. Exp. Bot. 58: 2329-2338.

Zhang MY, Bourbouloux A, Cagnac O, Srikanth CV, Rentsch D, Bachhawat AK, Delrot S 2004 A novel family of transporters mediating the transport of glutathione derivatives in plants. Plant Physiol. 134: 482-491.

Zhang Z, Wu RS, Mok HO, Wang Y, Poon WW, Cheng SH, Kong RY 2003 Isolation, characterization and expression analysis of a hypoxia-responsive glucose transporter gene from the grass carp, Ctenopharyngodon idellus. Eur. J. Biochem. 270: 3010-3017.

Zhao CR, Shang L, Wang W, Jacobs DO 2002 Myocellular creatine and creatine transporter serine phosphorylation after starvation. J. Surg. Res. 105: 10-16.

Zhao Q, Leung S, Corbett AH, Meier I 2006 Identification and characterization of the Arabidopsis orthologs of nuclear transport factor 2, the nuclear import factor of Ran. Plant Physiol. 140: 869-878.

Zhou JJ, Theodoulou FL, Muldin I, Ingemarsson B, Miller AJ 1998 Cloning and functional characterization of a Brassica napus transporter that is able to transport nitrate and histidine. J. Biol. Chem. 273: 12017-12023.

Zhu XM, Ong WY 2004 Changes in GABA transporters in the rat hippocampus after kainate-induced neuronal injury: decrease in GAT-1 and GAT-3 but upregulation of betaine/GABA transporter BGT-1. J. Neurosci. Res. 77: 402-409.

Zhuo D, Okamoto M, Vidmar JJ, Glass AD 1999 Regulation of a putative high-affinity nitrate transporter (Nrt2;1At) in roots of Arabidopsis thaliana. Plant J. 17: 563-568.

Zoetewey DL, Tripet BP, Kutateladze TG, Overduin MJ, Wood JM, Hodges RS 2003 Solution structure of the C-terminal antiparallel coiled-coil domain from Escherichia coli osmosensor ProP. J. Mol. Biol. 334: 1063-1076.

Number of references = 534