1887

Abstract

A Gram-negative, non-spore-forming and rod-shaped gliding bacterium, designated strain SMK-19, was isolated from a tidal flat sediment of the Yellow Sea, Korea, and its taxonomic position was investigated by using a polyphasic approach. Strain SMK-19 grew optimally at 37 °C, in the presence of 2–3 % (w/) NaCl and at pH 7·0–8·0. It contained MK-6 as the predominant menaquinone, and iso-C 3-OH and iso-C as the major fatty acids. Major polar lipids were phosphatidylethanolamine, unidentified phospholipids and an amino-group-containing lipid that is ninhydrin-positive. The DNA G+C content was 36·0 mol%. Phylogenetic analyses based on 16S rRNA gene sequences demonstrated that strain SMK-19 formed a distinct evolutionary lineage within the family . The 16S rRNA gene sequence of strain SMK-19 exhibited similarity values of <94·4 % to those of other members of the family . Strain SMK-19 was distinguished from phylogenetically related genera by differences in several phenotypic properties. On the basis of phenotypic, phylogenetic and chemotaxonomic data, SMK-19 (=KCTC 12390=DSM 17196) was classified at the type strain of a novel genus and species, gen. nov., sp. nov.

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2006-01-01
2019-10-20
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