1887

Abstract

A Gram-stain-negative, aerobic, non-motile and pleomorphic (coccoid, ovoid or rod-shaped) bacterial strain, BS-W15, isolated from a tidal flat sediment at Boseong in South Korea, was characterized taxonomically. Strain BS-W15 grew optimally at 25 °C, at pH 7.0–8.0 and in the presence of approximately 2.0 % (w/v) NaCl. Neighbour-joining and maximum-likelihood phylogenetic trees, based on 16S rRNA gene sequences, revealed that strain BS-W15 joined the cluster comprising the type strains of , , and , showing 93.5–96.4 % sequence similarities. Strain BS-W15 contained Q-10 as the predominant ubiquinone and Cω7 as the predominant fatty acid. The polar lipid profile of strain BS-W15 contained phosphatidylcholine and phosphatidylglycerol as major components, differentiating it from those of the type strains of , , and . The DNA G+C content of strain BS-W15 was 58.7 mol%. The differential phenotypic properties, together with the phylogenetic and chemotaxonomic data, demonstrate that strain BS-W15 is distinct from type strains of , , and . On the basis of the data presented, strain BS-W15 is considered to represent a novel genus and species, for which the name gen. nov., sp. nov. is proposed. The type strain is BS-W15 ( = KCTC 32576 = CECT 8489).

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2014-08-01
2019-12-11
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