1887

Abstract

The taxonomic position of a Gram-staining-negative, non-motile, rod-shaped bacterium, strain BB-My12, which was isolated from a sediment sample collected from a tidal flat in Korea, was investigated by using a polyphasic approach. Strain BB-My12 grew optimally at 37 °C, at pH 7.0–7.5 and in the presence of 2–3 % (w/v) NaCl. In phylogenetic analyses based on 16S rRNA gene sequences, strain BB-My12 fell within the cluster comprising species of the genus and appeared most similar to the type strains of , and (97.5–97.6 % sequence similarity). The DNA G+C content was 45.0 mol%. Strain BB-My12 contained MK-6 as the predominant menaquinone and iso-C, iso-C 3-OH and iso-C as the major cellular fatty acids. The polar lipids of strain BB-My12 were phosphatidylethanolamine and four unidentified lipids. The DNA–DNA relatedness values between strain BB-My12 and the type strains of the three species of the genus that appeared most closely related were in the range 5–7 %. The genetic distinctiveness and some phenotypic properties indicated that strain BB-My12 did not belong to any established species of the genus . Strain BB-My12 is therefore considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is BB-My12 ( = KCTC 23501  = CCUG 60800).

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2012-05-01
2019-10-20
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