柯里杆菌科：将微小真杆菌（Poco等人，1996年）和黑麦草碱还原消化链球菌（Lanigan，1976年）重新分类为新属纤细斯拉基菌，新组合；和新属黑麦草碱还原斯拉基菌，新组合；以及迟缓真杆菌（Prevot，1938年）重新分类为新属迟缓埃格特菌，新组合。
The family Coriobacteriaceae: reclassification of Eubacterium exiguum (Poco et al. 1996) and Peptostreptococcus heliotrinreducens (Lanigan 1976) as Slackia exigua gen. nov., comb. nov. and Slackia heliotrinireducens gen. nov., comb. nov., and Eubacterium lentum (Prevot 1938) as Eggerthella lenta gen. nov., comb. nov.
作者信息
Wade W G, Downes J, Dymock D, Hiom S J, Weightman A J, Dewhirst F E, Paster B J, Tzellas N, Coleman B
机构信息
Department of Oral Medicine and Pathology, Guy's Hospital, King's College London, UK.
出版信息
Int J Syst Bacteriol. 1999 Apr;49 Pt 2:595-600. doi: 10.1099/00207713-49-2-595.
16S rRNA gene sequences were determined for Eubacterium exiguum and Peptostreptococcus heliotrinreducens. These species were found to be closely related and, together with Eubacterium lentum, to constitute a branch of the Coriobacteriaceae. Two new genera are proposed on the basis of phenotypic characteristics and 16S rRNA gene sequence comparisons: Slackia to include the bile-sensitive species Eubacterium exiguum and P. heliotrinreducens, and Eggerthella to include the bile-resistant Eubacterium lentum. It is proposed that Eubacterium exiguum and Peptostreptococcus heliotrinreducens are transferred to the genus Slackia gen. nov. as Slackia exigua gen. nov., comb. nov. (type strain ATCC 700122T) and Slackia heliotrinireducens gen. nov., comb. nov. (type strain NTCC 11029T), respectively, and Eubacterium lentum is transferred to the genus Eggerthella gen. nov. as Eggerthella lenta gen. nov., comb. nov. with Eggerthella lenta as the type species.
测定了短小真杆菌和黑麦草还原消化链球菌的16S rRNA基因序列。发现这些菌种关系密切，并且与迟缓真杆菌一起构成了丙酸杆菌科的一个分支。基于表型特征和16S rRNA基因序列比较，提出了两个新属：Slackia属，包括对胆汁敏感的短小真杆菌和黑麦草还原消化链球菌；埃格特菌属，包括对胆汁有抗性的迟缓真杆菌。建议将短小真杆菌和黑麦草还原消化链球菌分别转移至Slackia属，新组合为新种Slackia exigua gen. nov., comb. nov.（模式菌株ATCC 700122T）和新种Slackia heliotrinireducens gen. nov., comb. nov.（模式菌株NTCC 11029T），将迟缓真杆菌转移至埃格特菌属，新组合为新种Eggerthella lenta gen. nov., comb. nov.，以迟缓埃格特菌为模式种。
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