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SnPKS19 encodes the polyketide synthase for alternariol mycotoxin biosynthesis in the wheat pathogen Parastagonospora nodorum

Chooi, Yit-Heng; Gonzalez, Mariano; Mead, Oliver; Solomon, Peter


Alternariol (AOH) is an important mycotoxin from the Alternaria fungi. AOH was detected for the first time in the wheat pathogen Parastagonospora nodorum in a recent study. Here, we exploited reverse genetics to demonstrate that SNOG_15829 (SnPKS19), a close homolog of Penicillium aethiopicum norlichexanthone (NLX) synthase gene gsfA, is required for AOH production. We further validate that SnPKS19 is solely responsible for AOH production by heterologous expression in Aspergillus nidulans. The...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Applied and Environmental Microbiology
DOI: 10.1128/AEM.00278-15
Access Rights: Open Access


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