1887

Abstract

A Gram-stain-positive, coccoid, non-motile, halotolerant actinobacterium, designated YIM 45900, was found as a contaminant on an agar plate in the laboratory of Yunnan Institute of Microbiology, China. The peptidoglycan type was A4 with an -Lys–-Ser–-Asp interpeptide bridge. The cell-wall sugars contained galactose and fucose. The predominant menaquinone was MK-8(H). The major fatty acids were iso-C, anteiso-C and anteiso-C. The polar lipids contained diphosphatidylglycerol, phosphatidylinositol, a glucosamine-containing phospholipid and an unknown phospholipid. The DNA GC content was 65.8 mol%. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the organism falls within the radius of the suborder and its closest phylogenetic neighbours are the genera of the family . Strain YIM 45900 showed 16S rRNA gene sequences similarity values of 93.1–95.9 % with members of the genera , and . On the basis of the phylogenetic and phenotypic characteristics of the actinobacterium, a novel genus and species, gen. nov., sp. nov., are proposed. The type strain of is YIM 45900 (=DSM 19828 =KCTC 19231 =CCTCC AB 207007).

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2010-03-01
2021-03-07
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