1887

Abstract

A bacterial strain, GW-9, which was isolated from groundwater in Korea, was subjected to a polyphasic taxonomic study using phenotypic characterization and phylogenetic and genetic methods. Phylogenetic analysis based on 16S rDNA sequences showed that strain GW-9 forms an evolutionary lineage within the radiation enclosing species and, in particular, a coherent cluster with . The cell-wall peptidoglycan type of strain GW-9 was based on -diaminopimelic acid as the diamino acid, indicating wall chemotype I. The predominant menaquinone was MK-8(H). Strain GW-9 had a cellular fatty acid profile containing straight-chain, branched, unsaturated and 10-methyl fatty acids. The major fatty acid was iso-C. The DNA G+C content of strain GW-9 was 73 mol%. The 16S rDNA of strain GW-9 was 99·2 % similar to that of the type strain of and 94·9–96·0 % similar to sequences of the type strains of other species. Differences in phenotypic characteristics and genetic distinctiveness indicate that strain GW-9 is separate from previously described species. Therefore, on the basis of the data presented, a novel species of the genus , sp. nov., is proposed. The type strain is strain GW-9 (=KCCM 41647=JCM 11813).

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2004-01-01
2019-10-14
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