<Emphasis Type="Italic">Salinicola socius</Emphasis> gen. nov., sp. nov., a moderately halophilic bacterium from a naphthalene-utilizing microbial association |
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| Authors: | L N Anan’ina E G Plotnikova E Yu Gavrish V A Demakov L I Evtushenko |
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| Institution: | (1) Institute of Ecology and Genetics of Microorganisms, Russian Academy of Sciences, Ural Department, ul. Goleva, 13, Perm, 614081, Russia;(2) Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, pr. Nauki, 5, Pushchino, Moscow oblast, 142290, Russia |
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| Abstract: | A chemoorganotrophic, moderately halophilic bacterium (strain SMB35) has been isolated from a naphthalene-utilizing microbial community obtained from salt mines (Perm region of Russia). Strain SMB35 grows in a wide salinity range, 0.5 to 30% (wt/vol) NaCl. Cells are gram-negative rods motile by means of a single polar flagellum. The predominant fatty acids are 16:1ω7, 16:0, 18:1ω7, and 19 cy. The major lipoquinone is an unsaturated ubiquinone with nine isoprene units (Q9). The DNA G+C content is 63.0 mol %. The 16S rDNA-based phylogenetic analysis has shown that strain SMB35 formed a separate clade in the cluster of the family Halomonadaceae. The 16S rDNA sequence similarity of the isolate to the members of the family is in the range from 90.6 to 95.1%. The phylogenetic and phenotypic differences from Halomonas elongata (the type species of the genus) and from other members of the family suggest that the isolate represents a novel genus and species, for which the name Salinicola socius gen. nov., sp. nov. is proposed. The type strain is SMB35T(=VKM B-2397T). |
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| Keywords: | Halomonadaceae novel halophilic microorganism |
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