1887

Abstract

A Gram-negative, non-motile, coccobacilli-shaped bacterium, DS-48, was isolated from soil from Dokdo, Korea, and its taxonomic position was investigated by means of a polyphasic study. Strain DS-48 grew optimally at 25 °C and pH 7.0–8.0 in the presence of 0.5 % (w/v) NaCl. It contained Q-10 as the predominant ubiquinone and C 7 and C 2-OH as the major fatty acids. The DNA G+C content was 69.3 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strain DS-48 fell within the genus , clustering with TH-G33 (at a bootstrap confidence level of 100 %). The levels of similarity between the 16S rRNA gene sequence of strain DS-48 and those of the type strains of recognized species were in the range 93.2–98.0 %. DNA–DNA relatedness data and differential phenotypic properties, together with the phylogenetic distinctiveness of DS-48, revealed that this strain differs from recognized species. On the basis of phenotypic, phylogenetic and genetic data, therefore, strain DS-48 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is DS-48 (=KCTC 12874=JCM 14592).

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2007-11-01
2021-04-17
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