Streptomyces maoxianensis sp nov., a novel actinomycete isolated from soil in Maoxian, China
文献类型: 外文期刊
第一作者: Liu, Chongxi
作者: Liu, Chongxi;Zhao, Junwei;Fang, Baozhu;Zhang, Yuejing;Li, Lianjie;Jin, Pinjiao;Wang, Xiangjing;Xiang, Wensheng;Xiang, Wensheng
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关键词: Streptomyces maoxianensis sp nov.;Polyphasic taxonomy;16S rRNA gene
期刊名称:ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY ( 影响因子:2.271; 五年影响因子:2.707 )
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收录情况: SCI
摘要: A novel actinomycete, designated strain NEAU-Spg16(T), was isolated from a soil sample from a pine forest in Songpinggou, Maoxian, southwest China. A polyphasic taxonomic study was carried out to establish the status of strain NEAU-Spg16(T). The cell wall peptidoglycan was found to contain LL-diaminopimelic acid and glycine. The major menaquinones were identified as MK-9(H-8), MK-9(H-4) and MK-9(H-6). The phospholipid profile was found to contain diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylinositol and an unidentified phospholipid. The major fatty acids were identified as iso-C-16:0, C-18:0, C-16:0 and iso-C-15:0. 16S rRNA gene sequence similarity studies showed that strain NEAU-Spg16(T) belongs to the genus Streptomyces with the highest sequence similarity to Streptomyces nitrosporeus DSM 40023(T) (98.6 %). However, phylogenetic analysis based on the 16S rRNA gene sequence indicated that it is most closely related to Streptomyces scopuliridis DSM 41917(T) (98.2 % sequence similarity). A combination of DNA-DNA hybridization results and some phenotypic characteristics indicated that strain NEAU-Spg16(T) can be clearly differentiated from S. scopuliridis DSM 41917(T) and S. nitrosporeus DSM 40023(T). Therefore, it is concluded that strain NEAU-Spg16(T) represents a novel species of the genus of Streptomyces, for which the name Streptomyces maoxianensis sp. nov. is proposed. The type stain is NEAU-Spg16(T) (=CGMCC 4.7139(T) = DSM 42137(T)).
分类号: Q1
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