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Abstract

A Gram-stain-negative, aerobic, non-motile and coccoid, ovoid or rod-shaped bacterial strain, designated GJSW-31, was isolated from seawater from the South Sea, South Korea. The novel strain grew optimally at 30 °C, at pH 7.0–8.0 and in the presence of 2.0 % (w/v) NaCl. Phylogenetic trees, based on 16S rRNA gene sequences, revealed that strain GJSW-31 clustered with the type strains of species of the genus . Strain GJSW-31 exhibited 16S rRNA gene sequence similarity values of 95.2–98.5 % to the type strains of species of the genus and sequence similarities of less than 96.18 % to type strains of the other species with validly published names. Strain GJSW-31 contained Q-10 as the predominant ubiquinone and Cω7 as the major fatty acid. The major polar lipids of strain GJSW-31 were phosphatidylcholine, phosphatidylglycerol, one unidentified lipid and one unidentified aminolipid. The DNA G+C content of strain GJSW-31 was 62.5 mol% and its DNA–DNA relatedness values with the type strains of , , and were 13–23 %. The differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, revealed that strain GJSW-31 is separate from other species of the genus . On the basis of the data presented, strain GJSW-31 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is GJSW-31 ( = KCTC 42114 = NBRC 110379).

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2014-11-01
2019-11-15
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