1887

Abstract

A Gram-negative, non-motile and rod-, oval- or coccoid-shaped bacterial strain, DSW-25, which is phylogenetically closely related to the genera and , was isolated from seawater of the East Sea, Korea, and subjected to a polyphasic taxonomic study. Strain DSW-25 grew optimally at pH 7.0–8.0 and at 25 °C. It contained Q-10 as the predominant ubiquinone and C 7 as the major fatty acid. Major polar lipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine and an unidentified phospholipid. The DNA G+C content was 56.9 mol%. Strain DSW-25 exhibited 16S rRNA gene sequence similarity values of 98.4 % to the type strain of and of 96.6–97.6 % to species. There were no distinct phenotypic, particularly chemotaxonomic, properties to differentiate and strain DSW-25 from the genus . DNA–DNA relatedness data and differential phenotypic properties, together with the phylogenetic distinctiveness, demonstrated that strain DSW-25 differs from recognized species and . On the basis of phenotypic, chemotaxonomic, phylogenetic and genetic data, strain DSW-25 was classified in the genus as a member of a novel species, for which the name sp. nov. is proposed. The type strain is strain DSW-25 (=KCTC 12864 =JCM 14565). It is also proposed that be transferred to the genus as comb. nov.

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2007-08-01
2020-01-19
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