Effect of water-soluble vitamins on the production of indole-3-acetic acid by Azospirillum brasilenseстатья
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Дата последнего поиска статьи во внешних источниках: 4 июня 2021 г.
Аннотация:The effects of six water-soluble vitamins on tryptophandependent synthesis of indole-3-acetic acid in Azospirillum brasilense were investigated. A multifactorial regression analysis was employed to produce models of indole-3-acetic acid synthesis versus concentrations of tryptophan and the vitamins added to the growth medium. Very low levels of the B-group vitamins added at 10 to 100μg 1−1 affected production of indole-3-acetic acid in A. brasilense. The largest release of this phytohormone was observed after amendment with pyridoxine and nicotinic acid. Results of the study suggest a role these vitamins may fulfil in the regulation of indole-3-acetic acid synthesis in A. brasilense.