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Maribrevibacterium harenarium gen. nov., sp. nov., represented by a marine strain of the family Oceanospirillaceae

文献类型： 外文期刊

作者： Mo, Kunlian 1 ; Wu, Qingjuan 1 ; Hu, Yonghua 1 ; Huang, Huiqin 1 ;

作者机构： 1.CATAS, Hainan Acad Trop Agr Resources, Inst Trop Biosci & Biotechnol, Haikou 571101, Hainan, Peoples R China

2.Hainan Prov Key Lab Funct Components Res & Utiliz, Haikou 571101, Hainan, Peoples R China

3.Pilot Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China

关键词： 165 rRNA gene; Maribrevibacterium harenarium; Oceanospirillaceae; polyphasic taxonomy

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

ISSN： 1466-5026

年卷期： 2021 年 71 卷 7 期

页码：

收录情况： SCI

摘要： A Gram-stain-negative, non-motile, facultatively anaerobic, short rod-shaped bacterium, designated HB171799(T), was isolated from seacoast sandy soil collected at Qishui Bay, Hainan, PR China. The chemotaxonomic analysis revealed that the respiratory quinones were Q-8 and Q-7, and the major cellular fatty acids were summed feature 8 (comprising C-18:1 omega 7c and/or C-18:1 omega 6c), C-16:0 and C-18:0. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an unidentified phospholipid and an unidentified lipid. The size of the draft genome was 3.68 Mb with a DNA G+C content of 48.0 mol%. Results of phylogenetic analyses based on 16S rRNA gene and genome sequences showed that the novel isolate belonged to the family Oceanospirillaceae and formed a distinct subcluster at the base of the radiation of the genus Marinomonas . The highest sequence similarity (96.0 %) of the novel isolate was found to the type strains of Marinomonas fungiae JCM 18476(T) and Marinomonas ostreistagni DSM23425(T). The whole genome-based phylogeny and differences in cellular fatty acids and polar lipids readily distinguished strain HB171799(T) from all the closely related validly published type strains. Strain HB171799(T) is therefore suggested to represent a novel species of a new genus in the family Oceanospirillaceae , for which the name Maribrevibacterium harenarium gen. nov., sp. nov. is proposed. The type strain is HB171799(T) (=CGMCC 1.16727(T)=JCM 33332(T)).

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