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Mitochondrial NADH dehydrogenase activity and ability to tolerate acetaldehyde determine faster ethanol production in Saccharomyces cerevisiae.

Shankar, C. S. and Ahamad, P. Y. A. and Ramakrishnan, M. S. and Umesh Kumar, S. (1996) Mitochondrial NADH dehydrogenase activity and ability to tolerate acetaldehyde determine faster ethanol production in Saccharomyces cerevisiae. Biochemistry and Molecular Biology International, 40 (1). pp. 145-50. ISSN 1039-9712

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Abstract

In rapidly fermenting yeast, the rotenone insensitive mitochondrial NADH dehydrogenase was not completely repressed by high glucose. This activity appeared to enhance the glycolytic rate due to which acetaldehyde accumulated intracellularly. To overcome the toxicity of acetaldehyde, the strain produced stress proteins. During late stationary phase of growth, the accumulated acetaldehyde was converted to ethanol resulting in faster ethanol production.

Item Type: Article
Uncontrolled Keywords: Saccharomyces cerevisiae, ethanol production, mitochondrial NADH dehydrogenase
Subjects: 500 Natural Sciences and Mathematics > 07 Life Sciences > 03 Biochemistry & Molecular Biology > 19 Yeast
600 Technology > 05 Chemical engineering > 04 Fermentation Technology
Divisions: Food Microbiology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 22 Mar 2018 05:37
Last Modified: 22 Mar 2018 05:37
URI: http://ir.cftri.com/id/eprint/2231

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