Abstract
A new thermophilic sulfate-reducing bacterium, strain TSB, that was spore-forming, rod-shaped, slightly motile and gram-positive, was isolated from a butyrate-containing enrichment culture inoculated with sludge of a thermophilic methane fermentation reactor. This isolate could oxidize benzoate completely. Strain TSB also oxidized some fatty acids and alcohols. SO sup2-inf4 , SO sup2-inf3 , S2O sup2-inf3 and NO sup-inf3 were utilized as electron acceptors. With pyruvate or lactate the isolate grew without an external electron acceptor and produced acetate. The optimum temperature for growth was 62°C. The G+C content of DNA was 52.8 mol%. This isolate is described as a new species, Desulfotomaculum thermobenzoicum.
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Tasaki, M., Kamagata, Y., Nakamura, K. et al. Isolation and characterization of a thermophilic benzoate-degrading, sulfate-reducing bacterium, Desulfotomaculum thermobenzoicum sp. nov.. Arch. Microbiol. 155, 348–352 (1991). https://doi.org/10.1007/BF00243454
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DOI: https://doi.org/10.1007/BF00243454