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. 1981 Oct;42(4):580–584. doi: 10.1128/aem.42.4.580-584.1981

Sulfide-Dependent Methane Production and Growth of a Thermophilic Methanogenic Bacterium

Peter H Rönnow 1, Lars Å H Gunnarsson 1
PMCID: PMC244064  PMID: 16345854

Abstract

Two strains of a thermophilic methanogenic bacterium, designated MT1 a and b, were isolated from a coastal surface sediment in the northern part of the Swedish West Coast. The two strains were identical in appearance and nutritional requirements and resembled Methanobacterium thermoautotrophicum. MT1 had an extraordinary requirement for sulfide. At sulfide levels below 0.1 mM, growth was poor and the methane production rate decreased. Other sources of sulfur, such as cysteine, sulfate, or thiosulfate, could not replace sulfide. The results indicate that a fast turnover rate of reduced sulfur compounds is involved in the energy metabolism of this organism.

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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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