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Comparison of acetate turnover in methanogenic and sulfate-reducing sediments by radiolabeling and stable isotope labeling and by use of specific inhibitors: evidence for isotopic change

Article Abstract:

Acetate turnover was analyzed in the methanogenic freshwater anoxic sediments of Lake Vechten, the Netherlands, the Tamar Estuary, UK, and the Grosser Jasmunder Bodden, Germany. Radiolabeling, stable isotope and inhibition methods were used. Acetate uptake was found to be linked with isotopic change of methyl hydrogen and carboxyl carbon. Radioisotope or stable isotope labeling of the acetate methyl group was found to be useful for turnover rate estimation, although both methods have disadvantages.

Author: Parkes, R. John, Graaf, Wim De, Wellsbury, Peter, Cappenberg, Thomas E.
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
Lake sediments

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Effect of acetate on molecular and physiological aspects of Clostridium beijerinckii NCIMB 8052 solvent production and strain degeneration

Article Abstract:

Research was conducted to examine the effect of acetate on molecular and physiological aspects of Clostridium beijerinckii NCIMB 8052 solvent production and strain degeneration. Another objective was to study the role of acetoacetyl-coenzyme A:acyl-CoA transferase in both solvent production and acid reassimilation. Results indicate that the addition of acetate to MP2 medium may induce the expression of the sol operon.

Author: Blaschek, Hans P., Chen, Chih-Kuang
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1999
Physiological aspects, Bacteria, Clostridium

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Proteins induced during adaptation of Acetobacter aceti to high acetate concentrations

Article Abstract:

Researchers have discovered 19 proteins that are produced by Acetobacter aceti during high acetate conditions. Some of the proteins have N-terminal sequences similar to membrane proteins, indicating the adaptation to high acetate levels in this bacterium involves a membrane-associated process.

Author: Steiner, Peter, Sauer, Uwe
Publisher: American Society for Microbiology
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 2001
Microbial metabolism, Adaptation (Biology), Evolutionary adaptation

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Subjects list: Research, Acetates
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