Meridianimarinicoccus roseus gen. nov., sp. nov., a novel genus of the family Rhodobacteraceae isolated from seawater | Zendy

Yanhu Ren | Zendy; Can Chen | Zendy; Yanghui Ye | Zendy; Ruijun Wang | Zendy; Shuaibo Han | Zendy; Zhe Zhao | Zendy; Ran Zhang | Zendy; Guishan Zhang | Zendy; Min Wu | Zendy; Jinzhong Xu | Zendy

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Meridianimarinicoccus roseus gen. nov., sp. nov., a novel genus of the family Rhodobacteraceae isolated from seawater

Author(s) -

Yanhu Ren,

Can Chen,

Yanghui Ye,

Ruijun Wang,

Shuaibo Han,

Zhe Zhao,

Ran Zhang,

Guishan Zhang,

Min Wu,

Jinzhong Xu

Publication year - 2019

Publication title -

international journal of systematic and evolutionary microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.925

H-Index - 173

eISSN - 1466-5034

pISSN - 1466-5026

DOI - 10.1099/ijsem.0.003185

Subject(s) - biology , 16s ribosomal rna , strain (injury) , phylogenetic tree , microbiology and biotechnology , phosphatidylglycerol , botany , glycolipid , bacteria , phospholipid , biochemistry , phosphatidylcholine , gene , genetics , anatomy , membrane

A Gram-stain negative, pink-pigmented, strictly aerobic, non-motile and coccoid-shaped bacterial strain, designated TG-679 T , was isolated from a deep-sea water sample collected from the South China Sea. Cells of strain TG-679 T were catalase- and oxidase-positive, lacked bacteriochlorophyll a and carotenoid. Strain TG-679 T was found to grow at 10-40 °C (optimum, 28 °C), pH 5.5-10.0 (optimum, pH 7.5) and with 0.5-2.0 % (w/v) NaCl (optimum, 1.5 %). Chemotaxonomic analysis of strain TG-679 T indicated that the sole respiratory quinone was Q-10, the predominant cellular fatty acid was C18 : 1ω7c, and the major polar lipids consisted of phosphatidylethanolamine, phosphatidylmonomethylethanolamine, phosphatidylglycerol, phosphatidylcholine, an unidentified phospholipid and two unidentified glycolipids. The genomic DNA G+C content of strain TG-679 T was 65.9 mol%. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain TG-679 T constituted a separated branch in the family Rhodobacteraceae. Differential phenotypic properties, together with phylogenetic distinctiveness, demonstrated that strain TG-679 T is clearly distinct from any validly published genus. Based on polyphasic taxonomic characterization, strain TG-679 T is considered to represent a novel species of a novel genus, for which the name Meridianimarinicoccus roseus gen. nov., sp. nov. is proposed. The type strain of the species is TG-679 T (=KCTC 62454 T =MCCC 1K03496 T ).

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