1887

Abstract

A novel actinomycete, strain S7F-02, which produced primary branched hyphae and fragmented into V- and Y-shaped bacillary cells, was isolated from marine sediment collected in the Andaman Sea, Trang Province, Thailand. Lysine was found to be the diagnostic diamino acid in the cell-wall peptidoglycan. The whole-cell sugars of strain S7F-02 were ribose, arabinose and glucose. The characteristic phospholipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylinositol. The predominant menaquinone was MK-9(H). The predominant cellular fatty acids were anteiso-C and iso-C. The G+C content of the genomic DNA of strain S7F-02 was 70.6 mol%. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain S7F-02 should be classified in the genus . This strain formed a close association with DSM 43110, with which it shared 99.2 % 16S rRNA gene sequence similarity. DNA–DNA hybridization data together with physiological and biochemical properties showed that strain S7F-02 could be readily distinguished from its closest phylogenetic relatives. On the basis of these phenotypic and genotypic data, strain S7F-02 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is S7F-02 ( = BCC 41922 = JCM 17130).

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2012-09-01
2020-01-29
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