1887

Abstract

Two Gram-negative, non-motile, non-spore-forming, rod-shaped strains, SW-2 and SW-26, were isolated from sea water of the East Sea in Korea. These organisms grew optimally at 37 °C and in the presence of 2–3 % (w/v) NaCl. They did not grow without NaCl or in the presence of >9 % (w/v) NaCl. Strains SW-2 and SW-26 were characterized chemotaxonomically as having MK-7 as the predominant isoprenoid quinone and iso-C as the major fatty acid. The DNA G+C content of strains SW-2 and SW-26 was 43 mol%. A neighbour-joining tree based on 16S rRNA gene sequences showed that strains SW-2 and SW-26 fell within the group and formed a coherent cluster with species. Strains SW-2 and SW-26 showed a 16S rRNA gene sequence similarity value of 99·9 % and a mean DNA–DNA relatedness level of 87 % to each other. Levels of 16S rRNA gene sequence similarity between strains SW-2 and SW-26 and the type strains of two species ranged from 94·2 to 96·6 %. On the basis of phenotypic and chemotaxonomic properties and phylogenetic distinctiveness, strains SW-2 and SW-26 should be placed in the genus as members of a novel species, for which the name sp. nov. is proposed. The type strain is SW-2 (=KCTC 12180=DSM 16067).

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2004-09-01
2019-10-15
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