Anjaiah V, Koedam N, Nowak-Thompson B, Loper JE, Hofte M, Tambong JT, Cornelis P 1998 Involvement of phenazines and anthranilate in the antagonism of Pseudomonas aeruginosa PNA1 and Tn5 derivatives toward Fusarium spp. and Pythium spp. Mol. Plant Microbe Interact. 11: 847-854.

Bae YM, Crawford IP 1990 The Rhizobium meliloti trpE(G) gene is regulated by attenuation, and its product, anthranilate synthase, is regulated by feedback inhibition. J. Bacteriol. 172: 3318-3327.

Barczak AJ, Zhao J, Pruitt KD, Last RL 1995 5-Fluoroindole resistance identifies tryptophan synthase beta subunit mutants in Arabidopsis thaliana. Genetics 140: 303-313.

Baumann L, Baumann P, Moran NA 1998 The endosymbiont (Buchnera) of the aphid Diuraphis noxia contains all the genes of the tryptophan biosynthetic pathway. Curr. Microbiol. 37: 58-59.

Bernasconi P, Walters EW, Woodworth AR, Siehl DL, Stone TE, Subramanian MV 1994 Functional expression of Arabidopsis thaliana anthranilate synthase subunit I in Escherichia coli. Plant Physiol. 106: 353-358.

Bohlmann J, De Luca V, Eilert U, Martin W 1995 Purification and cDNA cloning of anthranilate synthase from Ruta graveolens: modes of expression and properties of native and recombinant enzymes. Plant J. 7: 491-501.

Bohlmann J, Lins T, Martin W, Eilert U 1996 Anthranilate synthase from Ruta graveolens. Duplicated AS alpha genes encode tryptophan-sensitive and tryptophan-insensitive isoenzymes specific to amino acid and alkaloid biosynthesis. Plant Physiol. 111: 507-514.

Bongaerts R, Verpoorte R 2000 HPLC assays for the chorismate utilizing enzymes chorismate pyruvate lyase and para-aminobenzoate synthase. J. Liq. Chromatogr. Relat. Technol. 23: 2703-2713.

Browne BA, Ramos AI, Downs DM 2006 PurF-independent phosphoribosyl amine formation in yjgF mutants of Salmonella enterica utilizes the tryptophan biosynthetic enzyme complex anthranilate synthase-phosphoribosyltransferase. J. Bacteriol. 188: 6786-6792.

Buvinger WE, Stone LC, Heath HE 1981 Biochemical genetics of tryptophan synthesis in Pseudomonas acidovorans. J. Bacteriol. 147: 62-68.

Byrnes WM, Goldberg RN, Holden MJ, Mayhew MP, Tewari YB 2000 Thermodynamics of reactions catalyzed by anthranilate synthase. Biophys. Chem. 84: 45-64.

Byrnes WM, Vilker VL 2004 Extrinsic factors potassium chloride and glycerol induce thermostability in recombinant anthranilate synthase from Archaeoglobus fulgidus. Extremophiles 8: 455-462.

Chave KJ, Auger IE, Galivan J, Ryan J 2000 Molecular modeling and site-directed mutagenesis define the catalytic motif in human gamma-glutamyl hydrolase. J. Biol. Chem. 275: 40365-40370.

Chen SY 2004 Feedback-insensitive anthranilate synthase gene as a novel selectable marker for soybean transformation. Sheng Wu Gong Cheng Xue Bao 20: 646-651.

Cho HJ, Brotherton JE, Song HS, Widholm JM 2000 Increasing tryptophan synthesis in a forage legume Astragalus sinicus by expressing the tobacco feedback-insensitive anthranilate synthase (ASA2) gene. Plant Physiol. 123: 1069-1076.

Cho HJ, Brotherton JE, Widholm JM 2004 Use of the tobacco feedback-insensitive anthranilate synthase gene (ASA2) as a selectable marker for legume hairy root transformation. Plant Cell Rep. 23: 104-113.

Cohn W, Crawford IP 1976 Regulation of enzyme synthesis in the tryptophan pathway of Acinetobacter calcoaceticus. J. Bacteriol. 127: 367-379.

Desikan R, Reynolds A, Hancock JT, Neill SJ 1998 Harpin and hydrogen peroxide both initiate programmed cell death but have differential effects on defence gene expression in Arabidopsis suspension cultures. Biochem. J. 330: 115-20.

Dosselaere F, Vanderleyden J 2001 A metabolic node in action: chorismate-utilizing enzymes in microorganisms. Crit. Rev. Microbiol. 27: 75-131.

Dutcher SK, Galloway RE, Barclay WR, Poortinga G 1992 Tryptophan analog resistance mutations in Chlamydomonas reinhardtii. Genetics 131: 593-607.

Essar DW, Eberly L, Crawford IP 1990 Evolutionary differences in chromosomal locations of four early genes of the tryptophan pathway in fluorescent pseudomonads: DNA sequences and characterization of Pseudomonas putida trpE and trpGDC. J. Bacteriol. 172: 867-883.

Essar DW, Eberly L, Hadero A, Crawford IP 1990 Identification and characterization of genes for a second anthranilate synthase in Pseudomonas aeruginosa: interchangeability of the two anthranilate synthases and evolutionary implications. J. Bacteriol. 172: 884-900.

Essar DW, Eberly L, Han CY, Crawford IP 1990 DNA sequences and characterization of four early genes of the tryptophan pathway in Pseudomonas aeruginosa. J. Bacteriol. 172: 853-866.

Fantes PA, Roberts LM, Huetter R 1976 Free tryptophan pool and tryptophan biosynthetic enzymes in Saccharomyces cerevisiae. Arch. Microbiol. 107: 207-214.

Forlani G 1997 Properties of the 5-enol-pyruvyl-shikimate-3-phosphate synthase isoforms isolated from maize cultured cells. J. Plant Physiol. 150: 369-375.

Galperin MY, Grishin NV 2000 The synthetase domains of cobalamin biosynthesis amidotransferases CobB and CobQ belong to a new family of ATP-dependent amidoligases, related to dethiobiotin synthetase. Proteins 41: 238-247.

Gast DA, Jenal U, Wasserfallen A, Leisinger T 1994 Regulation of tryptophan biosynthesis in Methanobacterium thermoautotrophicum Marburg. J. Bacteriol. 176: 4590-4596.

Gast DA, Wasserfallen A, Pfister P, Ragettli S, Leisinger T 1997 Characterization of Methanobacterium thermoautotrophicum Marburg mutants defective in regulation of L-tryptophan biosynthesis. J. Bacteriol. 179: 3664-3669.

Ge SM, Xie BE, Chen SF 2006 Characterization of two trpE genes encoding anthranilate synthase alpha-subunit in Azospirillum brasilense. Biochem. Biophys. Res. Commun. 341: 494-499.

Graf R, Mehmann B, Braus GH 1993 Analysis of feedback-resistant anthranilate synthases from Saccharomyces cerevisiae. J. Bacteriol. 175: 1061-1068.

Harrison AJ, Yu M, Gardenborg T, Middleditch M, Ramsay RJ, Baker EN, Lott JS 2006 The structure of MbtI from Mycobacterium tuberculosis, the first enzyme in the biosynthesis of the siderophore mycobactin, reveals it to be a salicylate synthase. J. Bacteriol. 188: 6081-6091.

Hawkins AR, Lamb HK, Radford A, Moore JD 1994 Evolution of transcription-regulating proteins by enzyme recruitment: molecular models for nitrogen metabolite repression and ethanol utilisation in eukaryotes. Gene 146: 145-158.

He Z, Toney MD 2006 Direct detection and kinetic analysis of covalent intermediate formation in the 4-amino-4-deoxychorismate synthase catalyzed reaction. Biochemistry 45: 5019-5028.

Holmgren E, Crawford IP 1982 Regulation of tryptophan genes in Rhizobium leguminosarum. J. Bacteriol. 149: 1135-1137.

Hong SB, Peebles CA, Shanks JV, San KY, Gibson SI 2006 Expression of the Arabidopsis feedback-insensitive anthranilate synthase holoenzyme and tryptophan decarboxylase genes in Catharanthus roseus hairy roots. J. Biotechnol. 122: 28-38.

Horvath MM, Grishin NV 2001 The C-terminal domain of HPII catalase is a member of the type I glutamine amidotransferase superfamily. Proteins 42: 230-236.

Hughes EH, Hong SB, Gibson SI, Shanks JV, San KY 2004 Expression of a feedback-resistant anthranilate synthase in Catharanthus roseus hairy roots provides evidence for tight regulation of terpenoid indole alkaloid levels. Biotechnol. Bioeng. 86: 718-727.

Hughes EH, Hong SB, Gibson SI, Shanks JV, San KY 2004 Metabolic engineering of the indole pathway in Catharanthus roseus hairy roots and increased accumulation of tryptamine and serpentine. Metab. Eng. 6: 268-276.

Ishihara A, Asada Y, Takahashi Y, Yabe N, Komeda Y, Nishioka T, Miyagawa H, Wakasa K 2006 Metabolic changes in Arabidopsis thaliana expressing the feedback-resistant anthranilate synthase alpha subunit gene OASA1D. Phytochemistry 67: 2349-2362.

James TY, Boulianne RP, Bottoli APF, Granado JD, Aebi M, Kues U 2002 The pab1 gene of Coprinus cinereus encodes a bifunctional protein for para-aminobenzoic acid (PABA) synthesis: implications for the evolution of fused PABA synthases. J. Basic Microbiol. 42: 91-103.

Kanno T, Kasai K, Ikejiri-Kanno Y, Wakasa K, Tozawa Y 2004 In vitro reconstitution of rice anthranilate synthase: distinct functional properties of the alpha subunits OASA1 and OASA2. Plant Mol. Biol. 54: 11-22.

Kanno T, Komatsu A, Kasai K, Dubouzet JG, Sakurai M, Ikejiri-Kanno Y, Wakasa K, Tozawa Y 2005 Structure-based in vitro engineering of the anthranilate synthase, a metabolic key enzyme in the plant tryptophan pathway. Plant Physiol. 138: 2260-2268.

Karlovsky P, Prell HH 1991 The TRP1 gene of Phytophthora parasitica encoding indole-3-glycerolphosphate synthase-N-(5'-phosphoribosyl)anthranilate isomerase: structure and evolutionary distance from homologous fungal genes. Gene 109: 161-165.

Kerbarh O, Chirgadze DY, Blundell TL, Abell C 2006 Crystal structures of Yersinia enterocolitica salicylate synthase and its complex with the reaction products salicylate and pyruvate. J. Mol. Biol. 357: 524-534.

Kim DS, Lee IS, Jang CS, Kang SY, Park IS, Song HS, Seo YW 2005 High amino acid accumulating 5-methyltryptophan-resistant rice mutants may include an increased antioxidative response system. Physiol. Plant. 123: 302-313.

Kim DS, Lee IS, Jang CS, Kang SY, Seo YW 2005 Characterization of the altered anthranilate synthase in 5-methyltryptophan-resistant rice mutants. Plant Cell Rep. 24: 357-365.

Knochel T, Ivens A, Hester G, Gonzalez A, Bauerle R, Wilmanns M, Kirschner K, Jansonius JN 1999 The crystal structure of anthranilate synthase from Sulfolobus solfataricus: functional implications. Proc. Natl. Acad. Sci. U.S.A. 96: 9479-9484.

Koll P, Bode R, Birnbaum D 1988 Regulation of metabolic branch points of aromatic amino acid biosynthesis in Pichia guilliermondii. J. Basic Microbiol. 28: 619-627.

Krappmann S, Lipscomb WN, Braus GH 2000 Coevolution of transcriptional and allosteric regulation at the chorismate metabolic branch point of Saccharomyces cerevisiae. Proc. Natl. Acad. Sci. U.S.A. 97: 13585-13590.

Kreps JA, Ponappa T, Dong W, Town CD 1996 Molecular basis of alpha-methyltryptophan resistance in amt-1, a mutant of Arabidopsis thaliana with altered tryptophan metabolism. Plant Physiol. 110: 1159-1165.

Lai CY, Baumann L, Baumann P 1994 Amplification of trpEG: adaptation of Buchnera aphidicola to an endosymbiotic association with aphids. Proc. Natl. Acad. Sci. U.S.A. 91: 3819-3823.

Li J, Last RL 1996 The Arabidopsis thaliana trp5 mutant has a feedback-resistant anthranilate synthase and elevated soluble tryptophan. Plant Physiol. 110: 51-59.

Li J, Zhao J, Rose AB, Schmidt R, Last RL 1995 Arabidopsis phosphoribosylanthranilate isomerase: molecular genetic analysis of triplicate tryptophan pathway genes. Plant Cell 7: 447-461.

Lin C, Paradkar AS, Vining LC 1998 Regulation of an anthranilate synthase gene in Streptomyces venezuelae by a trp attenuator. Microbiology 144: 1971-1980.

Lu H, Gorman E, McKnight TD 2005 Molecular characterization of two anthranilate synthase alpha subunit genes in Camptotheca acuminata. Planta 221: 352-360.

Martinez-Torres D, Buades C, Latorre A, Moya A 2001 Molecular systematics of aphids and their primary endosymbionts. Mol. Phylogenet. Evol. 20: 437-449.

Matsuda F, Yamada T, Miyazawa H, Miyagawa H, Wakasa K 2005 Characterization of tryptophan-overproducing potato transgenic for a mutant rice anthranilate synthase alpha-subunit gene (OASA1D). Planta 222: 535-545.

Matsui K, Miwa K, Sano K 1987 Two single-base-pair substitutions causing desensitization to tryptophan feedback inhibition of anthranilate synthase and enhanced expression of tryptophan genes of Brevibacterium lactofermentum. J. Bacteriol. 169: 5330-5332.

Matsukawa T, Ishihara A, Iwamura H 2002 Induction of anthranilate synthase activity by elicitors in oats. Z. Naturforsch. [C] 57: 121-128.

Miozzari G, Niederberger P, Hutter R 1978 Tryptophan biosynthesis in Saccharomyces cerevisiae: control of the flux through the pathway. J. Bacteriol. 134: 48-59.

Morbach S, Junger C, Sahm H, Eggeling L 2000 Attenuation control of ilvBNC in Corynebacterium glutamicum: Evidence of leader peptide formation without the presence of a ribosome binding site. J. Biosci. Bioeng. 90: 501-507.

Moreno PR, Schlatmann JE, van der Heijden R, van Gulik WM, ten Hoopen HJ, Verpoorte R, Heijnen JJ 1993 Induction of ajmalicine formation and related enzyme activities in Catharanthus roseus cells: effect of inoculum density. Appl. Microbiol. Biotechnol. 39: 42-47.

Morino K, Matsuda F, Miyazawa H, Sukegawa A, Miyagawa H, Wakasa K 2005 Metabolic profiling of tryptophan-overproducing rice calli that express a feedback-insensitive alpha subunit of anthranilate synthase. Plant Cell Physiol. 46: 514-521.

Morollo AA, Eck MJ 2001 Structure of the cooperative allosteric anthranilate synthase from Salmonella typhimurium. Nat. Struct. Biol. 8: 243-247.

Nakai R, Sen K, Kurosawa S, Shibai H 2000 Cloning and sequencing analysis of Trp1 gene of Flammulina velutipes. FEMS Microbiol. Lett. 190: 51-56.

Niyogi KK, Fink GR 1992 Two anthranilate synthase genes in Arabidopsis: defense-related regulation of the tryptophan pathway. Plant Cell 4: 721-733.

Niyogi KK, Last RL, Fink GR, Keith B 1993 Suppressors of trp1 fluorescence identify a new Arabidopsis gene, TRP4, encoding the anthranilate synthase beta subunit. Plant Cell 5: 1011-1027.

Parsons JF, Jensen PY, Pachikara AS, Howard AJ, Eisenstein E, Ladner JE 2002 Structure of Escherichia coli aminodeoxychorismate synthase: Architectural conservation and diversity in chorismate-utilizing enzymes. Biochemistry 41: 2198-2208.

Payne RJ, Bulloch EM, Abell AD, Abell C 2005 Design and synthesis of aromatic inhibitors of anthranilate synthase. Org. Biomol. Chem. 3: 3629-3635.

Payne RJ, Toscano MD, Bulloch EM, Abell AD, Abell C 2005 Design and synthesis of aromatic inhibitors of anthranilate synthase. Org. Biomol. Chem. 3: 2271-2281.

Peebles CA, Hong SB, Gibson SI, Shanks JV, San KY 2006 Effects of terpenoid precursor feeding on Catharanthus roseus hairy roots over-expressing the alpha or the alpha and beta subunits of anthranilate synthase. Biotechnol. Bioeng. 93: 534-540.

Peebles CA, Hong SB, Gibson SI, Shanks JV, San KY 2005 Transient effects of overexpressing anthranilate synthase alpha and beta subunits in Catharanthus roseus hairy roots. Biotechnol. Prog. 21: 1572-1576.

Radwanski ER, Barczak AJ, Last RL 1996 Characterization of tryptophan synthase alpha subunit mutants of Arabidopsis thaliana. Mol. Gen. Genet. 253: 353-361.

Ramos I, Downs DM 2003 Anthranilate synthase can generate sufficient phosphoribosyl amine for thiamine synthesis in Salmonella enterica. J. Bacteriol. 185: 5125-5132.

Roisch U, Lingens F 1980 The mechanism of action of the herbicide N-(phosphonomethyl)glycine: its effect on the growth and the enzymes of aromatic amino acid biosynthesis in Escherichia coli. Hoppe Seylers Z. Physiol. Chem. 361: 1049-1058.

Rutherford R, Gallois P, Masson PH 1998 Mutations in Arabidopsis thaliana genes involved in the tryptophan biosynthesis pathway affect root waving on tilted agar surfaces. Plant J. 16: 145-154.

Sabater-Munoz B, Gomez-Valero L, van Ham RCHJ, Silva FJ, Latorre A 2002 Molecular characterization of the leucine cluster in Buchnera sp strain PSY, a primary endosymbiont of the aphid Pemphigus spyrothecae. Appl. Environ. Microbiol. 68: 2572-2575.

Schneider B, Knochel T, Darimont B, Hennig M, Dietrich S, Babinger K, Kirschner K, Sterner R 2005 Role of the N-terminal extension of the (betaalpha)8-barrel enzyme indole-3-glycerol phosphate synthase for its fold, stability, and catalytic activity. Biochemistry 44: 16405-16412.

Schuhegger R, Rauhut T, Glawischnig E 2007 Regulatory variability of camalexin biosynthesis. J. Plant Physiol. 164: 636-644.

Song HS, Brotherton JE, Gonzales RA, Widholm JM 1998 Tissue culture-specific expression of a naturally occurring tobacco feedback-insensitive anthranilate synthase. Plant Physiol. 117: 533-543.

Spraggon G, Kim C, Nguyen-Huu X, Yee MC, Yanofsky C, Mills SE 2001 The structures of anthranilate synthase of Serratia marcescens crystallized in the presence of (i) its substrates, chorismate and glutamine, and a product, glutamate, and (ii) its end-product inhibitor, L-tryptophan. Proc. Natl. Acad. Sci. U.S.A. 98: 6021-6026.

Steenhoudt O, Vanderleyden J 2000 Azospirillum, a free-living nitrogen-fixing bacterium closely associated with grasses: genetic, biochemical and ecological aspects. FEMS Microbiol. Rev. 24: 487-506.

Stepanova AN, Hoyt JM, Hamilton AA, Alonso JM 2005 A link between ethylene and auxin uncovered by the characterization of two root-specific ethylene-insensitive mutants in Arabidopsis. Plant Cell 17: 2230-2242.

Tam YY, Slovin JP, Cohen JD 1995 Selection and characterization of [alpha]-methyltryptophan-resistant lines of Lemna gibba showing a rapid rate of indole-3-acetic acid turnover. Plant Physiol. 107: 77-85.

Tang X, Ezaki S, Fujiwara S, Takagi M, Atomi H, Imanaka T 1999 The tryptophan biosynthesis gene cluster trpCDEGFBA from Pyrococcus kodakaraensis KOD1 is regulated at the transcriptional level and expressed as a single mRNA. Mol. Gen. Genet. 262: 815-821.

Tang XF, Ezaki S, Atomi H, Imanaka T 2001 Anthranilate synthase without an LLES motif from a hyperthermophilic archaeon is inhibited by tryptophan. Biochem. Biophys. Res. Commun. 281: 858-865.

Tewari YB, Jensen PY, Kishore N, Mayhew MP, Parsons JF, Eisenstein E, Goldberg RN 2002 Thermodynamics of reactions catalyzed by PABA synthase. Biophys. Chem. 96: 33-51.

Tolbert WD, Chatterji S, Bauerle R, Kretsinger R 1999 Crystallization and preliminary crystallographic studies of the anthranilate synthase partial complex from Salmonella typhimurium. Acta Crystallogr. D. Biol. Crystallogr. 55: 305-306.

Tozawa Y, Hasegawa H, Terakawa T, Wakasa K 2001 Characterization of rice anthranilate synthase alpha-subunit genes OASA1 and OASA2. Tryptophan accumulation in transgenic rice expressing a feedback-insensitive mutant of OASA1. Plant Physiol. 126: 1493-1506.

Tribe DE, Pittard J 1979 Hyperproduction of tryptophan by Escherichia coli: genetic manipulation of the pathways leading to tryptophan formation. Appl. Environ. Microbiol. 38: 181-190.

Tsai FY, Brotherton JE, Widholm JM 2005 Overexpression of the feedback-insensitive anthranilate synthase gene in tobacco causes tryptophan accumulation. Plant Cell Rep. 23: 548-556.

Van Ham RCHJ, Gonzalez-Candelas F, Silva FJ, Sabater B, Moya A, Latorre A 2000 Postsymbiotic plasmid acquisition and evolution of the repA1-replicon in Buchnera aphidicola. Proc. Natl. Acad. Sci. U.S.A. 97: 10855-10860.

Van Ham RCHJ, Martinez-Torres D, Moya A, Latorre A 1999 Plasmid-encoded anthranilate synthase (TrpEG) in Buchnera aphidicola from aphids of the family pemphigidae. Appl. Environ. Microbiol. 65: 117-125.

van Tegelen LJ, Moreno PR, Croes AF, Verpoorte R, Wullems GJ 1999 Purification and cDNA cloning of isochorismate synthase from elicited cell cultures of Catharanthus roseus. Plant Physiol. 119: 705-712.

Voll LM, Allaire EE, Fiene G, Weber AP 2004 The Arabidopsis phenylalanine insensitive growth mutant exhibits a deregulated amino acid metabolism. Plant Physiol. 136: 3058-3069.

Wakasa K, Hasegawa H, Nemoto H, Matsuda F, Miyazawa H, Tozawa Y, Morino K, Komatsu A, Yamada T, Terakawa T, Miyagawa H 2006 High-level tryptophan accumulation in seeds of transgenic rice and its limited effects on agronomic traits and seed metabolite profile. J. Exp. Bot. 57: 3069-3078.

Weigent DA, Nester EW 1976 Regulation of histidinol phosphate aminotransferase synthesis by tryptophan in Bacillus subtilis. J. Bacteriol. 128: 202-211.

Wernegreen JJ, Moran NA 2001 Vertical transmission of biosynthetic plasmids in aphid endosymbionts (Buchnera). J. Bacteriol. 183: 785-790.

Wernegreen JJ, Moran NA 2000 Decay of mutualistic potential in aphid endosymbionts through silencing of biosynthetic loci: Buchnera of Diuraphis. Proc. Roy. Soc. Lond. B. Biol. Sci. 267: 1423-1431.

Whitaker RJ, Berry A, Byng GS, Fiske MJ, Jensen RA 1984 Clues from Xanthomonas campestris about the evolution of aromatic biosynthesis and its regulation. J. Mol. Evol. 21: 139-149.

Wilmanns M, Hyde CC, Davies DR, Kirschner K, Jansonius JN 1991 Structural conservation in parallel beta/alpha-barrel enzymes that catalyze three sequential reactions in the pathway of tryptophan biosynthesis. Biochemistry 30: 9161-9169.

Wright AD, Moehlenkamp CA, Perrot GH, Neuffer MG, Cone KC 1992 The maize auxotrophic mutant orange pericarp is defective in duplicate genes for tryptophan synthase beta. Plant Cell 4: 711-719.

Yang WJ, Yanofsky C 2005 Effects of tryptophan starvation on levels of the trp RNA-binding attenuation protein (TRAP) and anti-TRAP regulatory protein and their influence on trp operon expression in Bacillus subtilis. J. Bacteriol. 187: 1884-1891.

Zhang XH, Brotherton JE, Widholm JM, Portis AR Jr 2001 Targeting a nuclear anthranilate synthase alpha-subunit gene to the tobacco plastid genome results in enhanced tryptophan biosynthesis. Return of a gene to its pre-endosymbiotic origin. Plant Physiol. 127: 131-141.

Zhao J, Last RL 1995 Immunological characterization and chloroplast localization of the tryptophan biosynthetic enzymes of the flowering plant Arabidopsis thaliana. J. Biol. Chem. 270: 6081-6087.

Zook M 1998 Biosynthesis of camalexin from tryptophan pathway intermediates in cell-suspension cultures of Arabidopsis. Plant Physiol. 118: 1389-1393.

Number of references = 106