Pyruvate is the key substance controlling the formation of diacetyl, acetaldehyde, and acetate during alcoholic fermentation. Here we report the breeding of a low pyruvate-producing sake yeast by isolation of a mutant resistant to ethyl alpha-transcyanocinnamate, an inhibitor of mitochondrial pyruvate transport. Mitochondrial function was involved in resistance to this substance and in the production of pyruvate by the mutants.

• PMID: 20445321
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Journal Article | Research Support, Non-U.S. Gov't

Authors

Horie K, Oba T, Motomura S, Isogai A, Yoshimura T, Tsuge K, Koganemaru K, Kobayashi G, Kitagaki H

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