Name: Ruminococcus luti Simmering et al. 2002

Category: Species

Proposed as: sp. nov.

Etymology: lu’ti. L. gen. neut. n. luti, of mud

Pronunciation (Latin), gender: … LU-ti, masculine

Type strain: BInIX; CCUG 45635; DSM 14534

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB691576 Analyse FASTA

Effective publication: Simmering R, Taras D, Schwiertz A, Le Blay G, Gruhl B, Lawson PA, Collins MD, Blaut M. Ruminococcus luti sp. nov., isolated from a human faecal sample. Syst Appl Microbiol 2002; 25:189-193. 🇩🇪

IJSEM list: Anonymous. Validation list no. 88. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:1915-1916.

Nomenclatural status: validly published under the ICNP

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

Correct name: Blautia luti (Simmering et al. 2002) Liu et al. 2008

Risk group: 1

• Synonyms:

  • Name	Kind
    Blautia luti (Simmering et al. 2002) Liu et al. 2008	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Ruminococcus luti 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 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 2 times 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 other species in the genus.

Parent taxon: Ruminococcus Sijpesteijn 1948 (Approved Lists 1980)

Assigned by: Simmering R, Taras D, Schwiertz A, Le Blay G, Gruhl B, Lawson PA, Collins MD, Blaut M. Ruminococcus luti sp. nov., isolated from a human faecal sample. Syst Appl Microbiol 2002; 25:189-193. 🇩🇪

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Record number: 780615