Bioproduction of indoleacetic acid by a Rhizobium sp. from the root nodules of Desmodium gangeticum DC.

Abstract

The Rhizobium sp. isolated from the root nodules of Desmodium gangeticum DC. produced a high amount of indole acetic acid (IAA) from tryptophan in culture. For maximum IAA production, the bacteria preferred L-isomer over DL- or D-isomer of tryptophan. The production of IAA could be increased up to 37% over yeast extract ribose medium by supplementing the… (More)

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