Pelagivirga sediminicola gen. nov., sp. nov. isolated from the Bohai Sea

International Journal of Systematic and Evolutionary Microbiology
Xiaofei JiHuilin Zhao

Abstract

A Gram-stain-negative bacterium, strain BH-SD19T, that was isolated from a marine sediment sample collected from the Bohai Sea, was subjected to a polyphasic taxonomic study. Cells of BH-SD19T are non-flagellated, non-gliding, oval-shaped rods, 0.5-1.0 µm wide and 1.0-2.0 µm long. BH-SD19T is strictly aerobic, and oxidase- and catalase-positive. Growth occurs at 15-40 °C (optimum 35 °C), at pH 6.0-8.5 (optimum 7.0-7.5) and with 1-10 % (w/v) NaCl (optimum 2 %). The predominant fatty acids are C19 : 0cyclo ω8c (46.5 %), C16 : 0 (20.3 %) and C18 : 1ω7c and/or C18 : 1ω6c (10.6 %). The major respiratory quinone is Q-10. The major polar lipids are phosphatidylglycerol, phosphatidylethanolamine and an unidentified phospholipid. The DNA G+C content is 64.0 mol%. BH-SD19T shows the highest 16S rRNA sequence similarity to Pontibaca methylaminivorans (95.2 %) and strains of species of the genus Roseovarius(93.4-95.2 %). Sequence similarity values between BH-SD19T and other phylogenetically related species are all below 95.0 %. Phylogenetic trees based on 16S rRNA gene sequences indicate that BH-SD19T forms a distinct lineage and does not join any known genera in the trees. Phenotypic, chemotaxonomic and phylogenetic data indicate that BH-...Continue Reading

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Citations

Apr 17, 2019·International Journal of Systematic and Evolutionary Microbiology·Huilin ZhaoXiaofei Ji
Nov 9, 2019·International Journal of Systematic and Evolutionary Microbiology·Lingping Zhuang, Lianzhong Luo
Jun 17, 2020·International Journal of Systematic and Evolutionary Microbiology·Young-Sam KimKyoung-Ho Kim
Jan 5, 2021·Current Microbiology·Huilin ZhaoXiaofei Ji

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