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Development of a Fumonisin-sensitive Indicator Strain and Utilization for Activity Testing of Candidate Detoxification Genes

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Abstract

Fumonisins can cause diseases in animals and humans consuming -contaminated food or feed. The search for microbes capable of fumonisin degradation, or for enzymes that can detoxify fumonisins, currently relies primarily on chemical detection methods. Our constructed fumonisin B1-sensitive yeast strain can be used to phenotypically detect detoxification activity and should be useful in screening for novel fumonisin resistance genes and to elucidate fumonisin metabolism and resistance mechanisms in fungi and plants, and thereby, in the long term, help to mitigate the threat of fumonisins in feed and food.

Citing Articles

Mechanism of Fumonisin Self-Resistance: Contains Four Fumonisin B-Insensitive-Ceramide Synthases.

Krska T, Twaruschek K, Wiesenberger G, Berthiller F, Adam G Toxins (Basel). 2024; 16(6).

PMID: 38922130 PMC: 11209526. DOI: 10.3390/toxins16060235.

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