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Enterococcus crotali sp nov., isolated from faecal material of a timber rattlesnake

机译:肠球菌Crotali SP 11月。,从粪便材料的粪便材料中孤立

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摘要

A facultatively anaerobic, Gram-stain-positive bacterium, designated ETRF1(T), was found in faecal material of a timber rattlesnake (Crotalus horridus). Based on a comparative 16S rRNA gene sequence analysis, the isolate was assigned to the genus Enterococcus. The 16S rRNA gene sequence of strain ETRF1(T) showed > 97% similarity to that of the type strains of Enterococcus rotai, E. caccae, E. silesiacus, E haemoperoxidus, E. ureasiticus, E. moraviensis, E. plantarum, E. quebecensis, E. ureilyticus, E. termitis, E. rivorum and E. faecalis. The organism could be distinguished from these 12 phylogenetically related enterococci using conventional biochemical testing, the Rapid ID32 Strep system, comparative pheS and rpoA gene sequence analysis, and comparative whole genome sequence analysis. The estimated in silico DNA-DNA hybridization values were 70 %, and average nucleotide identity values were 96 %, when compared to these 12 species, further validating that ETRF1(T) represents a unique species within the genus Enterococcus. On the basis of these analyses, strain ETRF1(T) (= CCUG 65857(T) = LMG 28312(T)) is proposed as the type strain of a novel species, Enterococcus crotali sp. nov.
机译:在木材响尾蛇(Crotalus Horriidus)的粪便材料中发现了一种突变性厌氧,革兰氏阳性细菌,指定etrf1(t)。基于对比16S rRNA基因序列分析,将分离物分配给肠球菌属。菌株EtRF1(T)的16S rRNA基因序列显示出与肠球菌株,E.CACCAE,E. Silesiacus,E.Umoperoxidus,E. ulaviensis,E.Platarum,E.Platarum,E.Platarum,E.Vallarum 。魁北委,E. ureilyticus,E.脑炎,E. rivorum和E.粪便。可以使用常规的生物化学测试,快速ID32Strep系统,对比对象和RPOA基因序列分析和对比全基因组分析来区分生物体与这些12个系统源相关的肠球菌。硅DNA-DNA杂交值中的估计为& 70%,平均核苷酸同一性值为& 96%,与这些12种相比,进一步验证ETRF1(T)代表肠球菌属中的独特物种。在这些分析的基础上,提出了菌株EtRF1(T)(= CCug 65857(T)= LMG 28312(T)作为新型物种的类型菌株,肠球菌Crotali SP。 11月。

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