1887

Abstract

A novel Gram-stain-negative, rod-shaped marine bacterium, designated strain F02, was isolated from a marine saltern in Weihai, PR China. The cells of strain F02 were approximately 0.8–1.0×3.0–4.0 µm and motile by means of a polar flagellum. Strain F02 grew optimally at 33–35 °C, pH 7.5 and in the presence of 3.0 % (w/v) NaCl. Strain F02 showed oxidase- and catalase-positive activities. Phylogenetic analysis of 16S rRNA gene sequences revealed that strain F02 belonged to the family and exhibited 16S rRNA gene sequence similarities of 96.6 and 96.4 % to the type strains of and , respectively. The major cellular fatty acids of strain F02 were Cω7, Cω7, C and Cω9. The major polar lipids of strain F02 were phosphatidylglycerol, phosphatidylethanolamine and one unidentified aminolipid. Strain F02 contained Q-8 as the sole respiratory quinone. The genomic DNA G+C content was 58.4 mol%. The genome sequences of strain F02 and DSM 23344 had an OrthoANI value of 70.5 %, and the average amino acid identity value between the two genomes was 62.6 %. The sequence similarity value between the genes of strain F02 and DSM 23344 was 79.5 %. On the basis of polyphasic analysis, strain F02 represents a novel species in a new genus, for which the name gen. nov., sp. nov. is proposed. The type strain is F02 (=KCTC 52616=MCCC 1H00224).

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2019-08-01
2019-09-22
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