Degradation of Phenols by Thermophilic and Halophilic Bacteria Isolated from a Marine Brine Sample

概要

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Two thermophilic bacteria that degrade phenol, strains 401 and 501,were isolated from a brine sample from a submarine gas field. Strain 401 was identified as being Bacillus stearothermophilus. Strain 501 was tentatively identified as a previously unknown species in the family of Rhizobiaceae. Strains 401 and 501 completely degraded phenol at the concentrations of 1,000 and 700 mg/l, respectively, while growing on a nutrient broth at 50℃. Bacterial cells grown on a medium containing phenol degraded a variety of phenolic compounds. Strain 401 tolerated up to 10% NaCl, and strain 501 absolutely required seawater for growth and phenol degradation. Such thermophilic bacteria that tolerate salt and phenol might be useful for the treatment of industrial wastes containing phenols.
社団法人日本生物工学会の論文
1992-11-25