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Appl Environ Microbiol. 1989 February; 55(2): 514-515
Copyright © 1989, American Society for Microbiology. All Rights Reserved.

Threshold Acetate Concentrations for Acetate Catabolism by Aceticlastic Methanogenic Bacteria

Peter Westermann{dagger}, Birgitte K. Ahring{ddagger} and Robert A. Mah*

Division of Environmental and Occupational Health Sciences, School of Public Health, University of California, Los Angeles, California 90024

ABSTRACT

Marked differences were found for minimum threshold concentrations of acetate catabolism by Methanosarcina barkeri 227 (1.180 mM), Methanosarcina mazei S-6 (0.396 mM), and a Methanothrix sp. (0.069 mM). This indicates that the aceticlastic methanogens responsible for the conversion of acetate to methane in various ecosystems might be different, depending on the prevailing in situ acetate concentrations.

FOOTNOTES

* Corresponding author.

{dagger} Present address: Department of General Microbiology, University of Copenhagen, Solvgade 83H, 1307 Copenhagen K. Denmark.

{ddagger} Present address: Institute of Biotechnology, The Technical University of Denmark, 2800, Lyngby, Denmark.

Appl Environ Microbiol. 1989 February; 55(2): 514-515
Copyright © 1989, American Society for Microbiology. All Rights Reserved.



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