1887

Abstract

Four Gram-negative, rod-shaped bacterial strains, TF-26, TF-28, TF-42 and TF-53, were isolated from a tidal flat in the Yellow Sea, Korea, and their taxonomic positions were determined by a polyphasic characterization. The strains grew optimally in the presence of 2–3 % (w/v) NaCl and at 30–37 °C. The predominant menaquinone detected in the four strains was MK-6. These strains contained large amounts of fatty acids C 7 and/or iso-C 2-OH, iso-C, iso-C 3-OH, C and iso-C 3-OH. The DNA G+C contents of the four strains were 32·3–32·8 mol%. Strains TF-26, TF-28, TF-42 and TF-53 showed 16S rRNA gene sequence similarity levels of 99·8–100 % and DNA–DNA relatedness levels of 82–87 %. The four strains exhibited 16S rRNA gene sequence similarity levels of 95·0–98·0 % to the type strains of the five current species, and DNA–DNA relatedness levels between the four strains and two phylogenetic relatives, DSM 13764 and DSM 14836, were less than 21 %. On the basis of phenotypic, phylogenetic and genetic data, strains TF-26, TF-28, TF-42 and TF-53 were classified in the genus as members of a novel species, for which the name sp. nov. (type strain, TF-26=KCTC 12302=DSM 16505) is proposed.

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2005-03-01
2020-01-21
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