Name: Ruminococcus pasteurii Schink 1985

Category: Species

Proposed as: sp. nov.

Etymology: pas.teu’ri.i. N.L. gen. masc. n. pasteurii, of Pasteur, referring to Louis Pasteur, who probably first enriched and observed this bacterium during studies on tartrate fermentation

Pronunciation (Latin), gender: … pas-TE͡U-ri-i, masculine

Type strain: ATCC 35945; CCUG 37395; CIP 104580; DSM 2381; KoTa2

Conduct genome-based taxonomy at

16S rRNA gene: X87150 Analyse FASTA

Effective publication: Schink B. Fermentation of tartrate enantiomers by anaerobic bacteria, and description of two new species of strict anaerobes, Ruminococcus pasteurii and Ilyobacter tartaricus. Arch. Microbiol. 1984; 139:409-414. 🇩🇪

IJSEM list: Anonymous. Validation list no. 18. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1985; 35:375-376.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Trichococcus pasteurii (Schink 1985) Liu et al. 2002

Risk group: 2

• Synonyms:

  • Name	Kind
    Trichococcus pasteurii (Schink 1985) Liu et al. 2002	homotypic synonym, validly published under the ICNP
    Lactosphaera pasteurii (Schink 1985) Janssen et al. 1995	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Ruminococcus pasteurii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Ruminococcus.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 1 time in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.

Parent taxon: Ruminococcus Sijpesteijn 1948 (Approved Lists 1980)

Assigned by: Schink B. Fermentation of tartrate enantiomers by anaerobic bacteria, and description of two new species of strict anaerobes, Ruminococcus pasteurii and Ilyobacter tartaricus. Arch. Microbiol. 1984; 139:409-414. 🇩🇪

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Record number: 780617