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Arenimonas alkanexedens sp nov., isolated from a frozen soil sample

文献类型: 外文期刊

作者: Zhu, Jie 1 ; Wang, Hui-Min 2 ; Zhang, Qi 1 ; Dong, Wei-Wei 3 ; Kong, De-Long 2 ; Wang, Yan-Wei 4 ; Song, Jin-Long; Jia 1 ;

作者机构: 1.Xinjiang Normal Univ, Coll Life Sci, Urumqi 830046, XinJiang, Peoples R China

2.CAAS, Inst Agr Resources & Reg Planning, Key Lab Microbial Resources, Minist Agr, Beijing 100081, Peoples R China

3.Huazhong Agr Univ, Coll Life Sci & Technol, State Key Lab Agr Microbiol, Wuhan 430070, Peoples R China

4.Mini

关键词: Arenimonas alkanexedens sp nov.;Frozen soil sample;16S rRNA gene;Polyphasic taxonomy

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 facultatively anaerobic bacterium, designated strain LAM-WHM-D11(T), was isolated from a frozen soil sample of China. Cells of strain LAM-WHM-D11(T) were observed to be Gram-stain negative, non-motile and rod-shaped. Colonies were yellowish, and circular with convex shape. Strain LAM-WHM-D11(T) was found to be able to grow at 4-40 A degrees C (optimum 15 A degrees C), pH 7.5-2.0 (optimum 9.5) and 0-2.5% NaCl (w/v) (optimum 1.5%). The 16S rRNA gene sequence similarity analysis showed that strain LAM-WHM-D11(T) is closely related to Arenimonas metalli CF5-1(T) (98.0%), Arenimonas aquaticum NA-09(T) (97.9%), Arenimonas donghaensis HO3-R19(T) (95.6%) and Arenimonas aestuarii S2-21(T) (95.3%). The DNA-DNA hybridization values between the isolate and A. metalli CGMCC 1.10787(T), A. aquaticum KACC 14663(T), A. donghaensis KACC 11381(T) were 41.0 +/- 1.7, 44.7 +/- 1.4 and 42.8 +/- 1.2%, respectively. The genomic DNA G+C content was found to be 66.5 mol% as determined by the T (m) method. The major cellular fatty acids were identified as iso-C-15:0 and iso-C-16:0. The major isoprenoid quinone was identified as ubiquinone 8 (Q-8). The major polar lipids were found to be diphosphatidyglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylmonomethylethanolamine, two phospholipids and five unidentified lipids. Based on the phylogenetic, phenotypic and chemotaxonomic characteristics, strain LAM-WHM-D11(T) is concluded to represent a novel species within the genus Arenimonas, for which the name Arenimonas alkanexedens sp. nov. is proposed. The type strain is LAM-WHM-D11(T) (ACCC 19750(T) = JCM 30464(T)).

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