Production of indole-3-acetic acid and related indole derivatives from L-tryptophan by Rubrivivax benzoatilyticus JA2

被引：57

作者：

Mujahid, Md. ^{[1
]}

Sasikala, Ch. ^{[2
]}

Ramana, Ch. V. ^{[1
]}

机构：

[1] Univ Hyderabad, Sch Life Sci, Dept Plant Sci, Hyderabad 500046, Andhra Pradesh, India

[2] JNT Univ, Ctr Environm, Bacterial Discovery Lab, IST, Hyderabad 500085, Andhra Pradesh, India

来源：

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY | 2011年 / 89卷 / 04期

关键词：

Rubrivivax benzoatilyticus; Indole 3-acetic acid; Indole; L-Tryptophan; Catabolism; Metabolite probe; PLANT-GROWTH PROMOTION; BACTERIA; METABOLISM; BIOSYNTHESIS; ROOTS; ACID;

D O I：

10.1007/s00253-010-2951-2

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Rubrivivax benzoatilyticus JA2 produces indoles with simultaneous utilization of L-tryptophan. Fifteen chromatographically distinct indole derivatives were detected from the L-tryptophan-supplemented cultures of R. benzoatilyticus JA2. Nine of these were identified as, indole 3-acetamide, Methoxyindole-3-aldehyde, indole 3-aldehyde, methoxyindole-3-acetic acid, indole 3-acetic acid, indole-3-carboxylic acid, indole-3-acetonitrile, indole, and trisindoline. Tryptophan stable isotope feeding confirmed the indoles produced are from the supplemented L-tryptophan. Indole 3-acetic acid is one of the major products of L-tryptophan catabolism by R. benzoatilyticus JA2 and its production was influenced by growth conditions. Identification of indole 3-acetamide and tryptophan monooxygenase activity suggests indole 3-acetamide routed IAA biosynthesis in R. benzoatilyticus JA2. The study also indicated the possible multiple pathways of IAA biosynthesis in R. benzoatilyticus JA2.

引用

页码：1001 / 1008

页数：8

共 50 条

[1] Production of indole-3-acetic acid and related indole derivatives from L-tryptophan by Rubrivivax benzoatilyticus JA2
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