1887

Abstract

Two Gram-negative, motile, non-spore-forming, yellow-pigmented and slightly halophilic strains (SW-46 and SW-52) were isolated from sea water of the East Sea, Korea, and subjected to a polyphasic taxonomic study. Strains SW-46 and SW-52 were characterized chemotaxonomically by having ubiquinone-10 (Q-10) as the predominant respiratory lipoquinone and C 7 as the major fatty acid. Their DNA G+C content was 64·0–64·1 mol%. Strains SW-46 and SW-52 showed 1 bp difference in their 16S rDNA sequences and a mean DNA–DNA relatedness level of 94·4 %. Phylogenetic analysis based on 16S rDNA sequences showed that strains SW-46 and SW-52 fall within the -subclass of the and form a coherent cluster with , and . Levels of 16S rDNA similarity between strains SW-46 and SW-52 and the type strains of these three species were 96·5–97·9 %. Levels of DNA–DNA relatedness between strains SW-46 and SW-52 and the type strains of , and were 3·6–14·7 %. Therefore, on the basis of phenotypic properties, phylogeny and genomic data, strains SW-46 and SW-52 should be placed in the genus as a novel species, for which the name sp. nov. is proposed. The type strain is SW-46 (=KCCM 41642 =JCM 11808).

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2003-07-01
2019-10-16
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