1887

Abstract

A Gram-variable, motile, endospore-forming, slightly halophilic bacterial strain, DSW-10, was isolated from Dokdo, an island located at the edge of the East Sea, Korea, and was characterized taxonomically by using a polyphasic approach. This isolate grew optimally at 37 °C and in the presence of 4–5 % NaCl. Strain DSW-10 had cell-wall peptidoglycan based on -diaminopimelic acid, MK-7 as the predominant menaquinone, and anteiso-C, iso-C, anteiso-C and iso-C as major fatty acids. Major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and unidentified phospholipids. The DNA G+C content was 36·7 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain DSW-10 is phylogenetically affiliated to the genus , and exhibited sequence similarity of 95·3–98·7 % to the type strains of species. DNA–DNA relatedness levels between strain DSW-10 and the type strains of some phylogenetically related species were in the range 8·4–17·5 %. On the basis of phenotypic properties and phylogenetic and genetic distinctiveness, strain DSW-10 (=KCTC 3933=DSM 16826) was classified as the type strain of a novel species, for which the name sp. nov. is proposed.

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2005-09-01
2019-12-06
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