Article
Biosynthesis of the halogenated auxin, 4-chloroindole-3-acetic acid.
Plant physiology - 1 Jul 2012
Tivendale Nathan D, Davidson Sandra E, Davies Noel W, Smith Jason A, Dalmais Marion, Bendahmane Abdelhafid I, Quittenden Laura J, Sutton Lily, Bala Raj K, Le Signor Christine, Thompson Richard, Horne James, Reid James B, Ross John J
Abstract excerpt
Seeds of several agriculturally important legumes are rich sources of the only halogenated plant hormone, 4-chloroindole-3-acetic acid. However, the biosynthesis of this auxin is poorly understood. Here, we show that in pea (Pisum sativum) seeds, 4-chloroindole-3-acetic acid is synthesized via the novel intermediate 4-chloroindole-3-pyruvic acid, which is produced from 4-chlorotryptophan by two aminotransferases,...
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