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Bacillus solisalsi sp nov., a halotolerant, alkaliphilic bacterium isolated from soil around a salt lake

文献类型： 外文期刊

作者： Liu, Huan 1 ; Zhou, Yu 3 ; Liu, Rui 3 ; Zhang, Ke-Yun 3 ; Lai, Ren 1 ;

作者机构： 1.Chinese Acad Sci, Kunming Inst Zool, Key Lab Anim Models & Human Dis Mechanisms, Biotoxin Units, Kunming 650223, Yunnan, Peoples R China

2.Chinese Acad Sci, Grad Sch, Beijing 100009, Peoples R China

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

4.Zhejiang Acad Agr Sci, Inst Qual & Stand Agr Prod, Hangzhou 310021, Zhejiang, Peoples R China

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： A novel Gram-positive, motile, rod-shaped bacterium isolated from a saline soil in China was characterized by a polyphasic taxonomic approach. The strain, designated YC1(T), was halotolerant [tolerating up to 15 % (w/v) NaCl] and alkaliphilic (growing at a broad pH range of 5-13). 16S rRNA gene sequence analysis revealed that the isolate belonged to the genus Bacillus, showing highest similarity to Bacillus macauensis JCM 13285(T) (98.0%). However, DNA-DNA hybridization indicated low levels of genomic relatedness with B. macauensis JCM 13285(T) (8.5%). The major isoprenoid quinone was MK-7 and the cellular fatty acid profile consisted of significant amounts of iso-C(15:0) (38.6%) and anteiso-C(15:0) (35.9%). The predominant polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The G + C content of the genomic DNA was 41.8 mol%. On the basis of the polyphasic evidence from this study, strain YC1(T) (=KCTC 13181(T)= CGMCC 1.6854(T)) should be classified as the type strain of a novel species of the genus Bacillus, for which the name Bacillus solisalsi sp. nov. is proposed.

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