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新种,从中国传统泡菜中分离得到。

sp. nov., isolated from Chinese traditional pickle.

作者信息

Fu Mei Ling, Gu Chun Tao

机构信息

College of Life Sciences, Northeast Agricultural University, Harbin 150030, PR China.

出版信息

Int J Syst Evol Microbiol. 2019 Sep;69(9):2807-2814. doi: 10.1099/ijsem.0.003563.

Abstract

A Gram-stain-positive bacterial strain, 395-6.2, was isolated from traditional pickle in Heilongjiang Province, PR China. The bacterium was characterised by a polyphasic approach, including 16S rRNA gene sequence analysis, gene sequence analysis, gene sequence analysis, fatty acid methyl ester (FAME) analysis, determination of DNA G+C content, average nucleotide identity (ANI) analysis, DNA-DNA hybridisation (DDH) and an analysis of phenotypic features. Analysis of the 16S rRNA gene sequence showed that strain 395-6.2 was phylogenetically related to , , , , , , , , , , , , , and . Strain 395-6.2 exhibited 95.7-99.4 % 16S rRNA gene sequence similarities, 85.0-94.0 %  gene sequence similarities, 94.2-98.0 %  gene sequence similarities to type strains of phylogenetically related species. ANI and DDH values between strain 395-6.2 and type strains of phylogenetically related species were 77.9-87.1 % and 22.5-33.5 %, respectively. Based upon the data obtained in the present study, a novel species, sp. nov., is proposed and the type strain is 395-6.2 (=CCM 8927=NCIMB 15188=LMG 31179).

摘要

从中国黑龙江省的传统泡菜中分离出一株革兰氏阳性细菌菌株395-6.2。采用多相分类法对该细菌进行了鉴定,包括16S rRNA基因序列分析、基因序列分析、基因序列分析、脂肪酸甲酯(FAME)分析、DNA G+C含量测定、平均核苷酸同一性(ANI)分析、DNA-DNA杂交(DDH)以及表型特征分析。16S rRNA基因序列分析表明,菌株395-6.2在系统发育上与、、、、、、、、、、、、、相关。菌株395-6.2与系统发育相关物种的模式菌株的16S rRNA基因序列相似性为95.7-99.4%,基因序列相似性为85.0-94.0%,基因序列相似性为94.2-98.0%。菌株395-6.2与系统发育相关物种的模式菌株之间的ANI和DDH值分别为77.9-87.1%和22.5-33.5%。根据本研究获得的数据,提出了一个新物种,sp. nov.,模式菌株为395-6.2(=CCM 8927=NCIMB 15188=LMG 31179)。

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