Chemiosmotic energy from malolactic fermentation

Author:

Cox D J1,Henick-Kling T1

Affiliation:

1. 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.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference15 articles.

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4. Kunkee R. E. 1975. A second enzymatic activity for decomposition of malic acid by malo-lactic bacteria p. 29-42. In J. G. Carr C. V. Cutting and G. C. Whiting (ed.) Lactic acid bacteria in beverages and food. Academic Press Inc. (London) Ltd. London.

5. Generation of an electrochemical proton gradient in bacteria by the excretion of metabolic end products;Michels P. A. M.;FEMS Microbiol. Lett.,1979

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