Species Ruminococcus gauvreauii

Name: Ruminococcus gauvreauii Domingo et al. 2008

Category, proposed as: species, sp. nov.

Etymology: gauv.re.au’i.i. N.L. gen. masc. n. gauvreauii, of Gauvreau, named after Léo Gauvreau (MD, FRCPC), a microbiologist Emeritus Professor, former Director of the Department of Microbiology of Université Laval in Quebec City (Québec, Canada), known as an excellent teacher for his contribution to clinical diagnostic microbiology especially as it relates to botulism, an infection often observed in aboriginal people from northern Canada

Pronunciation (Latin), gender: ru-mi-no-KOK-kus ga͡uw-re-A͡U-i-i, masculine

Type strain: CCRI 16110; CCUG 54292; CIP 109512; DSM 19829; JCM 14987; NML 60141

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF529620 Analyse FASTA

Valid publication: Domingo MC, Huletsky A, Boissinot M, Bernard KA, Picard FJ, Bergeron MG. Ruminococcus gauvreauii sp. nov., a glycopeptide-resistant species isolated from a human faecal specimen. Int J Syst Evol Microbiol 2008; 58:1393-1397. 🇨🇦

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 6 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1995-1996.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.10483 (N = 56).
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 102 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as 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.
  • 🧍 According to Ludwig et al. (2021), this "species affiliates away from its type species and may be reclassified as a new genus". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218. 🇪🇸
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683. 🇺🇸

Parent taxon: Ruminococcus Sijpesteijn 1948 (Approved Lists 1980)

Assigned by: Domingo MC, Huletsky A, Boissinot M, Bernard KA, Picard FJ, Bergeron MG. Ruminococcus gauvreauii sp. nov., a glycopeptide-resistant species isolated from a human faecal specimen. Int J Syst Evol Microbiol 2008; 58:1393-1397. 🇨🇦

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Record number: 786862