1887

Abstract

A Gram-negative, non-motile, non-spore-forming, slightly halophilic bacterial strain, SW-238, was isolated from sea water collected from the South Sea in Korea, and subjected to a polyphasic taxonomic study. The organism grew optimally at 25–30 °C and in the presence of 2–3 % (w/v) NaCl. Strain SW-238 was characterized chemotaxonomically as containing ubiquinone (Q-8) as the predominant respiratory lipoquinone and C 9 as the major fatty acid. Its DNA G+C content was 47·6 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain SW-238 fell within the radiation of the cluster comprising species. The 16S rRNA gene sequence of strain SW-238 had similarity levels of 94·8–97·9 % to sequences of the type strains of recognized species. Levels of DNA–DNA relatedness between strain SW-238 and the type strains of 10 phylogenetically related species were below 70 %. On the basis of phenotypic and phylogenetic data and genetic distinctiveness, strain SW-238 (=KCTC 12313=JCM 12601) was placed in the genus as the type strain of a novel species, for which the name sp. nov. is proposed.

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2005-09-01
2019-09-15
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