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Actinoplanes maris sp. nov., isolated from marine sediment

文献类型： 外文期刊

作者： Xie, Qing-Yi 1 ; Ma, Qing-Yun 1 ; Yi, Ke-Xin 1 ; Yang, Li 1 ; Dai, Hao-Fu 1 ; Zhao, You -Xing 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Key Lab Biol & Resources TropiCrops, Haikou 571101, Peoples R China

2.Hainan Inst Trop Agr Resources, Key Lab Biol & Resources Trop Crops Hainan Prov, Haikou 571101, Peoples R China

3.South China Univ, Coll Publ Hlth, Hengyang 421001, Hunan, Peoples R China

关键词： Actinoplanes maris sp. nov.; polyphasic taxonomy; 16S rRNA; marine sediment

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.6 ）

ISSN： 1466-5026

年卷期： 2023 年 73 卷 5 期

页码：

收录情况： SCI

摘要： A novel actinobacterium strain (M4I6(T)) was isolated from marine sediment collected in Megas Gialos, Syros, Greece. On the basis of 16S rRNA gene sequence analysis, strain M4I6(T) was indicated as belonging to the genus Actinoplanes, with high similarity to 'Actinoplanes solisilvae' LAM7112(T) (97.9 %), Actinoplanes ferrugineus IFO 15555(T) (97.6 %), Actinoplanes cibodasensis LIPI11-2-Ac042(T) (97.2 %) and Actinoplanes bogorensis LIPI11-2-Ac043(T) (97.2 %). Phylogenetic analysis of the 16S rRNA gene sequence of strain M4I6(T) showed that the strain formed a stable subclade with 'A. solisilvae' LAM7112T. The cell wall of the novel isolate contained meso- diaminopimelic acid and the whole- cell sugars were xylose, glucose and ribose. The predominant menaquinones were MK- 9(H-4), MK-9(H-2) and MK- 9(H-8). The phospholipid profile comprised phosphatidylethanolamine, phosphatidylinositol, diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol mannosides and an unknown phospholipid. The major fatty acids (>5 %) were anteiso- C-16:0, iso-C-17:0, 10-methyl-C-16:0, C-15:0, iso-C-16: 0 and C-17:0. Genome sequencing showed a DNA G+C content of 70.9 mol%. However, the low average nucleotide identity value, digital DNA-DNA hybridization and average amino acid identity values demonstrated that strain M4I6T could be readily distinguished from its closest related species. Based on data from this polyphasic study, strain M4I6(T) represents a novel species of the genus Actinoplanes, for which the name Actinoplanes maris sp. nov. is proposed. The type strain is M4I6(T) (=DSM 101017(T)=CGMCC 4.7854(T)).

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