Genus Blautia

Name: Blautia Liu et al. 2008

Category: Genus

Proposed as: gen. nov.

Etymology: Blau’ti.a N.L. fem. n. Blautia, in honour of Michael Blaut, a German microbiologist, in recognition of his many contributions to human gastrointestinal microbiology

Type species: Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008

Conduct genome-based taxonomy of genus at TYGS

Valid publication: Liu C, Finegold SM, Song Y, Lawson PA. Reclassification of Clostridium coccoides, Ruminococcus hansenii, Ruminococcus hydrogenotrophicus, Ruminococcus luti, Ruminococcus productus and Ruminococcus schinkii as Blautia coccoides gen. nov., comb. nov., Blautia hansenii comb. nov., Blautia hydrogenotrophica comb. nov., Blautia luti comb. nov., Blautia producta comb. nov., Blautia schinkii comb. nov. and description of Blautia wexlerae sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2008; 58:1896-1902.

Nomenclatural status: validly published

Taxonomic status: correct name

Notes:
- The type species of this genus has alternatively been placed in the genus Clostridium Prazmowski 1880 (Approved Lists 1980). Publication: Kaneuchi C, Benno Y, Mitsuoka T. Clostridium cocoides, a new species from the feces of mice. International Journal of Systematic Bacteriology 1976; 26:482-486.
- Ruminococcus obeum Moore et al. 1976 (Approved Lists 1980) is clearly a member of the genus Blautia, as currently defined. The rules of the Bacteriological Code require that the type strains of all new species and subspecies (including new combinations) be deposited in two different collections in two different countries. The type strain of Ruminococcus obeum is only deposited in the ATCC and a second independent deposit, as required by the Code, has not been possible. Consequently, the transfer of this species to the genus Blautia cannot be made because the resulting species name would not conform to the Rules of the Code governing the valid publication of species names and deposit of type material (Rules 27 and 30) and consequently would not be considered to be validly published.

Subdivision:

Number of child taxa with a validly published and correct name: 14
Number of child taxa with a validly published name, including synonyms: 14
Total number of child taxa: 15

Child taxa:

Name	Nomenclatural status	Taxonomic status
Blautia argi Paek et al. 2019	validly published	correct name
Blautia caecimuris Lagkouvardos et al. 2016	validly published	correct name
Blautia coccoides (Kaneuchi et al. 1976) Liu et al. 2008	validly published	correct name
Blautia faecis Park et al. 2013	validly published	correct name
Blautia glucerasea corrig. Furuya et al. 2010	validly published	correct name
Blautia glucerasei (sic) Furuya et al. 2010	misspelling	synonym
Blautia hansenii (Holdeman and Moore 1974) Liu et al. 2008	validly published	correct name
Blautia hominis Shin et al. 2018	validly published	correct name
Blautia hydrogenotrophica (Bernalier et al. 1997) Liu et al. 2008	validly published	correct name
Blautia luti (Simmering et al. 2002) Liu et al. 2008	validly published	correct name
Blautia obeum (Moore et al. 1976) Lawson and Finegold 2015	validly published	correct name
Blautia producta (Prévot 1941) Liu et al. 2008	validly published	correct name
Blautia schinkii (Rieu-Lesme et al. 1997) Liu et al. 2008	validly published	correct name
Blautia stercoris Park et al. 2012	validly published	correct name
Blautia wexlerae Liu et al. 2008	validly published	correct name

Parent taxon: Lachnospiraceae Rainey 2010

Assigned by: Park SK, Kim MS, Roh SW, Bae JW. Blautia stercoris sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2012; 62:776-779.

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