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J Bacteriol. 1989 October; 171(10): 5750-5752

research-article

Chemiosmotic energy from malolactic fermentation.

Department of Food Science and Technology, New York State Agricultural Experiment Station, Cornell University, Geneva 14456.

ABSTRACT

By using the luciferase-luciferin ATP assay and whole cells of Leuconostoc oenos, we have demonstrated that malolactic fermentation does yield ATP. This energy-yielding mechanism did not occur in a cell extract and was inhibited in the presence of dicyclohexylcarbodiimide or an ionophore such as monensin. A lactate:proton efflux mechanism for this proposed pathway is presented.

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