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Article

Imbalance of leucine flux in Lactococcus lactis and its use for the isolation of diacetyl-overproducing strains.

Applied and environmental microbiology - 1 Jul 1996

Goupil N, Corthier G, Ehrlich S D, Renault P

Abstract excerpt

Diacetyl is a by-product of pyruvate metabolism in Lactococcus lactis, where pyruvate is first converted to alpha-acetolactate, which is slowly decarboxylated to diacetyl in the presence of oxygen. L. lactis usually converts alpha-acetolactate to acetoin enzymatically, by alpha-acetolactate decarboxylase encoded by the aldB gene. We took advantage of the fact that this enzyme also has a central role in the...

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Identifiers

PMID: 8779600
DOI: 10.1128/aem.62.7.2636-2640.1996
PMCID: PMC168043

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Source receipt: pubmed, retrieved 7 Sept 2026.

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