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Catabolism of indole-3-acetic Acid and 4- And 5-chloroindole-3-acetic Acid in Bradyrhizobium Japonicum

Catabolism of indole-3-acetic Acid and 4- And 5-chloroindole-3-acetic Acid in Bradyrhizobium Japonicum

J B Jensen, H Egsgaard, H Van Onckelen, B U Jochimsen

J Bacteriol. 1995 Oct;177(20):5762-6.

PMID: 7592320

Abstract:

Some strains of Bradyrhizobium japonicum have the ability to catabolize indole-3-acetic acid. Indoleacetic acid (IAA), 4-chloro-IAA (4-Cl-IAA), and 5-Cl-IAA were metabolized to different extents by strains 61A24 and 110. Metabolites were isolated and analyzed by high-performance liquid chromatography and conventional mass spectrometry (MS) methods, including MS-mass spectroscopy, UV spectroscopy, and high-performance liquid chromatography-MS. The identified products indicate a novel metabolic pathway in which IAA is metabolized via dioxindole-3-acetic acid, dioxindole, isatin, and 2-aminophenyl glyoxylic acid (isatinic acid) to anthranilic acid, which is further metabolized. Degradation of 4-Cl-IAA apparently stops at the 4-Cl-dioxindole step in contrast to 5-Cl-IAA which is metabolized to 5-Cl-anthranilic acid.

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AP849062164	3,5-Dimethyl-4-isopropoxyphenylboronic acid		849062-16-4	Price
AP870718119	3,5-Difluoro-4-formylphenylboronic acid		870718-11-9	Price

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