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  • Title: An aflatoxin biosynthesis cluster gene encodes a novel oxidase required for conversion of versicolorin a to sterigmatocystin.
    Author: Ehrlich KC, Montalbano B, Boué SM, Bhatnagar D.
    Journal: Appl Environ Microbiol; 2005 Dec; 71(12):8963-5. PubMed ID: 16332900.
    Abstract:
    Disruption of the aflatoxin biosynthesis cluster gene aflY (hypA) gave Aspergillus parasiticus transformants that accumulated versicolorin A. This gene is predicted to encode the Baeyer-Villiger oxidase necessary for formation of the xanthone ring of the aflatoxin precursor demethylsterigmatocystin.
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