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Original Articles

Aspergillus flavus genomics as a tool for studying the mechanism of aflatoxin formation

, , , , , , , , & show all
Pages 1152-1157 | Received 02 May 2007, Accepted 12 May 2008, Published online: 16 Sep 2008
 

Abstract

Aspergillus flavus is a weak pathogen that infects plants, animals and humans. When it infects agricultural crops, however, it produces one of the most potent carcinogens known (aflatoxins). To devise strategies to control aflatoxin contamination of pre-harvest agricultural crops and post-harvest grains during storage, we launched the A. flavus genomics program. The major objective of this program is the identification of genes involved in aflatoxin biosynthesis and regulation, as well as in pathogenicity, to gain a better understanding of the mechanism of aflatoxin formation. The sequencing of A. flavus whole genome has been completed. Initial annotation of the sequence revealed that there are about 13,071 genes in the A. flavus genome. Genes which potentially encode for enzymes involved in secondary metabolite production in the A. flavus genome have been identified. Preliminary comparative genome analysis of A. flavus with A. oryzae is summarized here.

Notes

†Yu, Payne and Nierman contributed equally to the A. flavus genome sequencing project and to this paper.

Additional information

Notes on contributors

William C. NiermanFootnote

†Yu, Payne and Nierman contributed equally to the A. flavus genome sequencing project and to this paper.

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