Pseudalkalibacillus salsuginis sp. nov., a novel salt--tolerant bacterium isolated from a saline lake sediment
文献类型： 外文期刊
第一作者： Gao, Lei
作者： Gao, Lei;Fang, Bao-Zhu;Liu, Yong-Hong;Huang, Yin;Zhang, Dan-Dan;Li, Wen-Jun;Gao, Lei;Huang, Yin;Zhang, Dan-Dan;Wang, Shuang;Jiang, Hong-Chen;Li, Wen-Jun;Li, Wen-Jun
作者机构：
关键词： Pseudalkalibacillus salsuginis; Symphony Lake; Pseudalkalibacillus; sediments; novel species.
期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.6 ）
ISSN： 1466-5026
年卷期： 2022 年 72 卷 10 期
页码：
收录情况： SCI
摘要： A salt-tolerant bacterium, designated strain EGI L200015T, was isolated from saline lake sediment in Xinjiang Uygur Autonomous Region, PR China. The taxonomic position of the isolate was determined using polyphasic taxonomic analysis and phylogenomic analysis. Phylogenetic analysis and 16S rRNA gene sequence similarities indicated that EGI L200015T formed a distinct clade with Pseudalkalibacillus berkeleyi KCTC 12718T with sequence identity of 98.3%. The novel isolate could be distinguished from species of the genus Pseudalkalibacillus by its distinct phenotypic, physiological and genotypic characteristics. Cells of EGI L200015T were aerobic, Gram-stain-positive, non-motile and rod-shaped. Optimal growth conditions for EGI L200015T occurred on marine agar 2216 at pH 8.0 at 30 degrees C. The major respiratory quinone was MK-7, while the major fatty acids (> 10%) were anteiso-C 15 : 0, iso-C 15 : 0, iso-C 16 : 0 and anteiso-C 17 : 0. The detected polar lipids of included diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. On the basis of the genome sequence data, the DNA G+C content of EGI L200015T was 41.6%. On the basis of the phenotypic, physiological, genotypic and phylogenetic data, strain EGI L200015T represents a novel species of the genus Pseudalkalibacillus, for which the name Pseudalkalibacillus salsuginis sp. nov. is proposed. The type strain of the proposed novel isolate is EGI L200015T (= KCTC 43363T = CGMCC 1.19260T).
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