Two anaerobic bacteria, designated strains SYSU GA16112T and SYSU GA16107, were isolated from a hot spring in Tengchong County, Yunnan Province, south-west PR China. Phylogenetic analyses based on 16S rRNA gene sequences showed that strains SYSU GA16112T and SYSU GA16107 belong to the family Dysgonamonadaceae. Cells of strains SYSU GA16112T and SYSU GA16107 were Gram-stain-negative, rod-shaped and non-motile. The major fatty acids (>10 %) of strains SYSU GA16112T and SYSU GA16107 were identified as anteiso-C15 : 0 and anteiso-C17 : 0 3OH. The polar lipid profile of strain SYSU GA16112T was found to consist of phosphatidylethanolamine, two unidentified aminophospholipids, two unidentified phosphoglycolipids, two unidentified aminolipids and one unidentified polar lipid, while that of strain SYSU GA16107 consisted of phosphatidylethanolamine, two unidentified polar lipids, three unidentified aminophospholipids, two unidentified phosphoglycolipids and one unidentified aminolipid. The genomic DNA G+C contents of strains SYSU GA16112T and SYSU GA16107 were determined to be 41.90 and 41.89 %, respectively, and the average nucleotide identity value between them was 99.99 %. Based on their morphological and physiological properties, and results of phylogenetic analyses, strains SYSU GA16112T and SYSU GA16107 are considered to represent a novel species of a novel genus, for which the name Seramator thermalis gen. nov., sp. nov. (type strain SYSU GA16112T=CGMCC 1.5281T=KCTC 15753T) is proposed.

译文

从中国西南部云南省腾冲县的一个温泉中分离出两种厌氧菌,分别命名为SYSU GA16112T和SYSU GA16107。基于16S rRNA基因序列的系统发育分析表明,菌株SYSU GA16112T和SYSU GA16107属于Dysgonamonadaceae。菌株SYSU GA16112T和SYSU GA16107的细胞为革兰氏染色阴性,杆状且不活动。菌株SYSU GA16112T和SYSU GA16107的主要脂肪酸 (>10  %) 被鉴定为anteiso-C15  :  0和anteiso-C17  : 0 3OH。发现SYSU GA16112T菌株的极性脂质谱由磷脂酰乙醇胺,两个未鉴定的氨基磷脂,两个未鉴定的磷酸糖脂,两个未鉴定的氨基脂和一个未鉴定的极性脂质组成,而SYSU GA16107菌株的极性脂质由磷脂酰乙醇胺组成,两个未鉴定的极性脂质,三个未鉴定的氨基磷脂,两个未鉴定的磷酸糖脂和一个未鉴定的氨基脂。测定菌株SYSU GA16112T和SYSU GA16107的基因组DNA G + C含量分别为41.90和41.89   %,它们之间的平均核苷酸同一性值为99.99   %。根据其形态和生理特性以及系统发育分析的结果,菌株SYSU GA16112T和SYSU GA16107被认为代表了一个新属的新物种,其名称为Seramator thermalis gen。11月,sp。11月(提出了类型应变SYSU GA16112T = CGMCC 1.5281T = KCTC 15753T)。

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