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. 1978 Jun;35(6):1174–1184. doi: 10.1128/aem.35.6.1174-1184.1978

Studies on an acetate-fermenting strain of Methanosarcina.

R A Mah, M R Smith, L Baresi
PMCID: PMC243002  PMID: 677880

Abstract

An acetate-fermenting strain of Methanosarcina was isolated from an acetate enrichment culture inoculated with anaerobic sludge from a waste treatment digestor. In pure culture, this organism fermented acetate in the absence of added hydrogen at rates comparable in magnitude to those found in digestor systems. This rate was significantly higher than previously obtained for pure cultures of this genus. Mineral components of yeast extract were highly stimulatory for cultures growing on methanol. Comparable stimulation was not observed for cultures growing on acetate. Labeling studies indicated that acetate was converted to methane and CO2 as predicted by previous studies on mixed cultures. Total oxidation or reduction of acetate was not the mechanism of conversion of acetate to methane by the pure culture. The ability of this strain to form colonies or to produce methane from acetate was apparently influenced by the choice of substrate and conditions used for growing the inoculum.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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