文献类型: 外文期刊
作者: Xie, Qing-yi 1 ; Qu, Zhi 2 ; Lin, Hai-peng 2 ; Li, Lei 1 ; Hong, Kui 1 ;
作者机构: 1.Hainan Univ, Coll Agron, Haikou 570228, Peoples R China
2.Chinese Acad Trop Agr Sci, Key Lab Trop Microbial Resources, Inst Trop Biosci & Biotechnol, Haikou 571101, Hainan, Peoples R China
3.Wuhan Univ, Key Lab Combinatorial Biosynth & Drug Discovery, Minist Educ, Wuhan 430071, Peoples R China
4.Wuhan Univ, Sch Pharmaceut Sci, Wuhan 430071, Peoples R China
5.Wuhan Univ, Sch Pharmaceut Sci, Wuhan 430071, People
关键词: Micromonospora haikouensis sp nov.;Polyphasic taxonomy;16S rRNA
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 )
ISSN: 0003-6072
年卷期: 2012 年 101 卷 3 期
页码:
收录情况: SCI
摘要: An actinomycete strain 232617(T) was isolated from a composite mangrove sediment sample collected in Haikou, China. Phylogenetic analysis of the 16S rRNA gene sequence of strain 232617(T) indicated the highest similarity with Micromonospora siamensis TT2-4(T) (99.05%), Micromonospora krabiensis A-2(T) (98.99%) and Micromonospora carbonacea DSM 43815(T) (98.91%). The gyrB gene sequence analysis also indicated that 232617(T) should be assigned to the genus Micromonospora. The cell wall contains meso-DAP and glycine. The major menaquinones were MK-10(H-4) and MK-10(H-6), with MK-9(H-4) as minor components. The characteristic whole-cell sugars are xylose, arabinose and glucose. The phospholipid profile comprises phosphatidylethanolamine, diphosphatidlglycerol and phosphatidylinositol mannoside. The DNA G+C content is 71.5 mol%. Furthermore, a combination of DNA-DNA relatedness and some physiological and biochemical properties indicated that the novel strain could be readily distinguished from the closest related species. On the basis of these phenotypic and genotypic data, strain 232617(T) represents a novel species of the genus Micromonospora, for which the name Micromonospora haikouensis sp. nov. is proposed. The type strain is 232617(T) (= CCTCC AA 201112 (T) = DSM 45626 (T)).
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