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Abstract

A novel actinobacterium, strain S1412, was isolated from a deep sediment sample, collected from the southern Black Sea coast of Turkey, and was examined using a polyphasic approach. The organism had chemical and morphological features typical of the genus . The cell wall of the novel strain contained -diaminopimelic acid. Whole-cell hydrolysates contained galactose, glucose and traces of xylose. The polar lipid profile of S1412 consisted of the predominant compound diphosphatidylglycerol, moderate amounts of phosphatidylethanolamine and phosphatidylinositol, and minor amounts of phosphatidylglycerol. Strain S1412 exhibited an unusual quinone system, with the predominant compounds MK-10(H), MK-9(H) and MK-10(H) and small amounts of MK-9(H) and MK-10(H). Major fatty acids were iso-C, iso-C H and anteiso-C. The 16S rRNA gene sequence similarities for strain S1412 with respect to the most closely related type strains of species of the genus were less than 97.0 %. Phenotypic data clearly distinguished the isolate from its closest relatives, GW 41-1564, YIM 60475, YIM 47672, MCCC1A01535 and YIM 65188. Based on chemotaxonomic, phenotypic and genotypic characteristics, strain S1412 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is S1412 ( = KCTC 29097 = DSM 42069).

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2014-03-01
2019-09-21
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