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Type of publication: Journal Article
Type of document: Full Paper

Year: 2008

Authors: Hollmann, M; Razzazi-Fazeli, E; Grajewski, J; Twaruzek, M; Sulyok, M; Böhm, J

Title: Detection of 3-nitropropionic acid and cytotoxicity inMucor circinelloides.

Source: Mycotoxin Res. 2008; 24(3):140-150

Authors Vetmeduni Vienna:

Böhm Josef
Hollmann Manfred
Razzazi-Fazeli Ebrahim

Vetmed Research Units
Institute of Animal Nutrition and Functional Plant Compounds

Mucorales are regarded as the aetiological agents of Mucormycosis. Their capabilities to produce mycotoxins are not profoundly investigated, in contrast to those of the fungi from the generaPenicillium, Aspergillus, orFusarium. The aim of this study was to isolate and identify fungi of the order Mucorales and investigate mycotoxins production. Twelve samples of visibly moulded grass silage and eight samples of damaged whole crop maize silage were analysed. Malt extract agar plates were used for sub cultivation. Three fungal species of the order Mucorales were isolated from grass silage, which were identified by their macro-and micro-morphology asAbsidia corymbifera, Mucor circinelloides andRhizopus stolonifer. The cytotoxicity ofMucor circinelloides extract was analysed using the cytotoxicity test (MTT assay) and the result, showed a low cytotoxicity. Additionally extracts fromAbsidia corymbifera, Mucor circinelloides andRhizopus stolonifer were tested for mycotoxin-production using an LC/MS/MS-based multimycotoxin method. 3-nitropropionic acid was detected in the culture extract ofMucor circinelloides.

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