Nesterenkonia alba sp nov., an alkaliphilic actinobacterium isolated from the black liquor treatment system of a cotton pulp mill

文献类型： 外文期刊

第一作者： Luo, Hui-Ying

作者： Luo, Hui-Ying;Wang, Ya-Ru;Yang, Pei-Long;Shi, Peng-Jun;Yao, Bin;Miao, Li-Hong;Fang, Cheng-Xiang;Fan, Yun-Liu

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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： 2009 年 59 卷

页码：

收录情况： SCI

摘要： An alkaliphilic actinobacterium, designated strain CAAS 252(T), was isolated from the black liquor treatment system of a cotton pulp mill in Wuhan, China. Cells of strain CAAS 252(T) were Gram-positive, non-motile, non-endospore-forming, short rod-shaped, and grew optimally at 42 degrees C and pH 9-10 in the presence of 3% (w/v) NaCl. Strain CAAS 252(T) contained MK-7, MK-8 and MK-9 as the major menaquinones and anteiso-C-17:0, anteiso-C-15:0 and C-16:0 as the predominant cellular fatty acids and had a peptidoglycan type of A4 alpha, Lys-Gly-D-Asp. The DNA G + C content was 60.2 mol%. Based on analysis of 16S rRNA gene sequences (94.7-96.8% similarity), DNA-DNA hybridization (<70% relatedness) and chemotaxonomic characteristics, strain CAAS 252(T) belonged to the genus Nesterenkonia, but differed from all recognized species. Therefore, it is proposed that strain CAAS 252(T) represents a novel species of the genus Nesterenkonia, for which the name Nesterenkonia alba sp. nov. is proposed. The type strain is CAAS 252(T) (=CCTCC AB 207011(T)=DSM 19423(T)).

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