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Metabolite profiling identifies the mycotoxin alternariol in the pathogen Stagonospora nodorum
Journal article   Open access   Peer reviewed

Metabolite profiling identifies the mycotoxin alternariol in the pathogen Stagonospora nodorum

K.C. Tan, R.D. Trengove, G.L. Maker, R.P. Oliver and P.S. Solomon
Metabolomics, Vol.5(3), pp.330-335
2009
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Abstract

A recent comparative proteomics study identified the short-chain dehydrogenase (Sch1) as being required for asexual sporulation (Tan et al. Eukaryotic Cell 7:1916–1929, 2008). Metabolite profiling was undertaken on the mutant strains of Stagonospora nodorum lacking the Sch1 gene to help elucidate its role. Gas chromatography-mass spectrometry of the polar metabolites in the Sch1 mutants identified a secondary metabolite at a 200-fold greater concentration than observed in the wild-type strains. Comparative analysis of the secondary metabolite and the mycotoxin alternariol using ESI-MS/MS confirmed the identity of the compound as alternariol. This is the first report to confirm the presence of a mycotoxin in S. nodorum and compelling the field to consider the health implication of this disease.

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Collaboration types
Domestic collaboration
Citation topics
1 Clinical & Life Sciences
1.148 Medical Mycology
1.148.240 Saccharomyces Cerevisiae
Web Of Science research areas
Endocrinology & Metabolism
ESI research areas
Biology & Biochemistry
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