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| N Use By Plants |
| Nitrate Assimilation |
| Ammonia Assimilation |
| Glu, Gln, Asn, Gly, Ser |
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HORT640 - Metabolic Plant Physiology
Aromatic amino acid biosynthesis
5-Phosphoribosylanthranilate transferase
The PAT1 gene also has a leader sequence consistent with the hypothesis that PAT is localized in the chloroplast. Note there is only one PAT gene in Arabidopsis, c.f. at least two ASB genes, two tryptophan synthase B genes, and three phosphoribosylanthranilate isomerase (PAI) genes (Li et al, 1995)!
References
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.
Rose AB, Casselman AL, Last RL 1992 A phosphoribosylanthranilate transferase gene is defective in blue fluorescent Arabidopsis thaliana tryptophan mutants. Plant Physiol. 100: 582-592.
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David Rhodes
Department of Horticulture & Landscape Architecture
Horticulture Building
625 Agriculture Mall Drive
Purdue University
West Lafayette, IN 47907-2010
Last Update: 10/01/09
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