文献类型： 外文期刊
作者： Xiong, Qin 1 ; Liu, Yunpeng 1 ; Zhao, Juanjuan 1 ; Fang, Zhenjuan 2 ; Zhang, Guishan 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Microbial Resources Collect & Preservat, Minist Agr, Beijing 100081, Peoples R China
2.Yangtze Univ, Coll Life Sci, Jingzhou 434023, Hubei, Peoples R China
期刊名称：CURRENT MICROBIOLOGY （ 影响因子：2.188； 五年影响因子：2.197 ）
ISSN： 0343-8651
年卷期： 2021 年 78 卷 8 期
页码：
收录情况： SCI
摘要： A Gram-staining-positive, aerobic, non-endospore-forming, coccus-shaped, non-flagellated, and non-motile bacterium, designated WN024(T), was isolated from the natural saline-alkali wetland soil of Binhai new district, Tianjin, China. Cells of strain WN024(T) were catalase- and oxidase-positive. The isolate was able to grow between 20 and 45 degrees C (optimal at 33-37 degrees C), pH 6.5-11.0 (optimal 7.5-8.0), and in the presence of 5.0-25.0% NaCl (optimal at 10.0-15.0%, w/v). The isolate could be affiliated to the genus Salimicrobium and the highest 16S rRNA gene sequence similarity of strain WN024(T) to its closest relative Salimicrobium salexigens DSM 22782(T) was 97.9%. The size of the genome was 2,622,223 bp in size with a G + C content of 47.1%. The sole respiratory quinone of strain WN024(T) was MK-7, the predominant fatty acids were iso-C-15:0, anteiso-C-15:0 and anteiso-C-17:0. The major polar lipids were phosphatidylglycerol (PG), glycolipid (GL), phospholipid (PL) and diphosphatidylglycerol (DPG). The cell-wall diamino acid was meso-diaminopimelic acid. The DNA-DNA hybridization values between strain WN024(T) and the closest relative S. salexigens DSM 22782(T) was 47.3 +/- 2.3%. The highest average nucleotide identity (ANI) value was 92.3% to S. salexigens DSM 22782(T) (GenBank Accession No. GCA_900156705.1). Therefore, we propose a novel species in the genus Salimicrobium to accommodate this novel isolate, named Salimicrobium humidisoli sp. nov. The type strain is WN024(T) (= ACCC 19979(T) = KCTC 33897(T)).
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