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Azospirillum palatum sp nov., isolated from forest soil in Zhejiang province, China

文献类型： 外文期刊

作者： Zhou, Yu 1 ; Wei, Wei 2 ; Wang, Xu 2 ; Xu, Lihong 1 ; Lai, Ren 2 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Qual & Standard Agr Prod, Hangzhou 310021, Zhejiang, Peoples R China

2.Nanjing Agr Univ, Life Sci Coll, Minist Agr, Key Lab Microbiol Engn Agr Environm, Nanjing 210095, Jiangsu, Peoples R China

关键词： Azospirillum palatum sp nov.;cpn60 gene;forest soil;polyphasic taxonomic;16S rRNA gene

期刊名称：JOURNAL OF GENERAL AND APPLIED MICROBIOLOGY （ 影响因子：1.452； 五年影响因子：1.479 ）

ISSN： 0022-1260

年卷期： 2009 年 55 卷 1 期

页码：

收录情况： SCI

摘要： A Gram-negative bacterium designated ww 10(T) was isolated by plating dilutions from forest soil in Zhejiang province, China. Strain ww 10(T) was investigated by polyphasic taxonomic study including phenotypic and phylogenetic analysis. Cells of ww 10(T) were Gram-negative, strictly aerobic, motile with peritrichous flagella and rod-shaped. The strain grew optimally at 30-37 degrees C and pH 6.0-8.0. The major fatty acids were C-18:1 omega 7c, cyclo-C-19:0 omega 8c and C-16:0. The respiratory quinones contained a large amount of Q-10, a moderate component of Q-9 and a minor of Q-8. The G+C content of genomic DNA was about 67.3 mol%. Phylogenetic analysis revealed that strain ww 10(T) belongs to the phyletic cluster of genus Azospirillum and displayed 16S rRNA gene sequence similarity lower than 96.3% to the four closest described species of the genera Azospirillum and Roseomonas. Results of polyphasic taxonomic analysis showed that strain ww 10(T) represents a novel species in the genus Azospirillum, for which the name Azospirillum palatum sp. nov., is proposed. The type strain is ww 10(T) (=LMG 24444(T)=KCTC 13200(T)=CCTCC AB 207189(T)).

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