Indole-3-acetic acid biosynthesis in Colletotrichum gloeosporioides f. sp. aeschynomene

M. Robinson, J. Riov, A. Sharon

Research output: Contribution to journalArticlepeer-review


We characterized the biosynthesis of indole-3-acetic acid by the mycoherbicide Colletotrichum gloeosporioides f. sp. aeschynomene. Auxin production was tryptophan dependent. Compounds from the indole-3-acetamide and indole-3-pyruvic acid pathways were detected in culture filtrates. Feeding experiments and in vitro assay confirmed the presence of both pathways. Indole-3-acetamide was the major pathway utilized by the fungus to produce indole-3-acetic acid in culture.

Original languageEnglish
Pages (from-to)5030-5032
Number of pages3
JournalApplied and Environmental Microbiology
Issue number12
StatePublished - Dec 1998


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