Paenibacillus thermophilus sp nov., a novel bacterium isolated from a sediment of hot spring in Fujian province, China
文献类型: 外文期刊
第一作者: Zhou, Yu
作者: Zhou, Yu;Gao, Sheng;Yang, Ling-Ling;He, Jie;Zhang, Yun-Jiao;Tang, Shu-Kun;Li, Wen-Jun;Gao, Sheng;Yang, Ling-Ling;He, Jie;Zhang, Yun-Jiao;Tang, Shu-Kun;Li, Wen-Jun;Wei, Da-Qiao;Huang, Xing;Li, Wen-Jun
作者机构:
关键词: Paenibacillus thermophilus;Thermophilic;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 )
ISSN: 0003-6072
年卷期: 2012 年 102 卷 4 期
页码:
收录情况: SCI
摘要: A Gram-positive, thermophilic, strictly aerobic bacterium, designated WP-1(T), was isolated from a sediment sample from a hot spring in Fujian province of China and subjected to a polyphasic taxonomic study. Cells of strain WP-1(T) were rods (similar to 0.6-0.8 x 2.5-3.5 mu m) and motile by means of peritrichous flagella. Endospores were ellipsoidal in terminal or subterminal positions. Strain WP-1(T) grew at 37-60 A degrees C (optimum 42-45 A degrees C), 0-3 % NaCl (optimum 1 %, w/v) and pH 3.0-9.0 (optimum pH 6.5-7.0). The predominant menaquinone was MK-7. The major fatty acids were anteiso-C-15:0, iso-C-16:0, C-16:0 and anteiso-C-17:0. The polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol, two glycolipids, two unidentified phospholipids and two unknown polar lipids. The cell-wall peptidoglycan contained meso-diaminopimelic acid (meso-DAP). The G + C content of the genomic DNA was 52.5 %. Phylogenetic analysis based on the 16S rRNA gene sequence showed that strain WP-1(T) is a member of the genus Paenibacillus and exhibited sequence similarity of 99.3 % to Paenibacillus macerans DSM 24(T) and both strains represented a separate lineage from all other Paenibacillus species. However, the level of DNA-DNA relatedness between strain WP-1(T) and P. macerans DSM 24(T) was 34.0 +/- A 4.7 %. On the basis of phylogenetic, physiological and chemotaxonomic analysis data, strain WP-1(T) is considered to represent as a novel species of the genus Paenibacillus, for which the name Paenibacillus thermophilus sp. nov., is proposed, with the type strain WP-1(T) (=DSM 24746(T) = JCM 17693(T) = CCTCC AB 2011115(T)).
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