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Appl Environ Microbiol. 2003 Nov;69(11):6935-7.

FUM9 is required for C-5 hydroxylation of fumonisins and complements the meitotically defined Fum3 locus in Gibberella moniliformis.

Author information

1
National Center for Agricultural Resource Utilization, USDA Agricultural Research Service, Peoria, Illinois 61604, USA.

Abstract

Deletion of the Gibberella moniliformis FUM9 gene resulted in mutants that produce only fumonisins that lack a C-5 hydroxyl group. This phenotype is identical to that of previously described mutants with defective alleles at the meiotically defined Fum3 locus. Transformation with a wild-type FUM9 gene into a Fum3-defective mutant restored wild-type fumonisin production. These results indicate that the FUM9 protein catalyzes the C-5 hydroxylation of fumonisins and that FUM9 and the Fum3 locus are the same gene.

PMID:
14602658
PMCID:
PMC262316
DOI:
10.1128/aem.69.11.6935-6937.2003
[Indexed for MEDLINE]
Free PMC Article

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