Abstract
A new mesophilic sulfate-reducing bacterium, strain Groll, was isolated from a benzoate enrichment culture inoculated with black mud from a freshwater ditch. The isolate was a spore-forming, rod-shaped, motile, gram-positive bacterium. This isolate was able of complete oxidation of several aromatic compounds including phenol, catechol, benzoate, p-and m-cresol, benzyl alcohol and vanillate. With hydrogen and carbon dioxide, formate or O-methylated aromatic compounds, autotrophic growth during sulfate reduction or homoacetogenesis was demonstrated. Lactate was not used as a substrate. SO sup2-inf4 , SO sup2-inf3 , and S2O sup2-inf3 were utilized as electron acceptors. Although strain Groll originated from a freshwater habitat, salt concentrations of up to 30 g·l-1 were tolerated. The optimum temperature for growth was 35–37°C. The G+C content of DNA was 42.1 mol%. This isolate is described as a new species of the genus Desulfotomaculum.
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Kuever, J., Kulmer, J., Jannsen, S. et al. Isolation and characterization of a new spore-forming sulfate-reducing bacterium growing by complete oxidation of catechol. Arch. Microbiol. 159, 282–288 (1993). https://doi.org/10.1007/BF00248485
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DOI: https://doi.org/10.1007/BF00248485