Species ***Eubacterium* *minutum***

Name: Eubacterium minutum Poco et al. 1996

Category: Species

Proposed as: sp. nov.

Etymology: mi.nu’tum. L. neut. part. adj. minutum, minute, small, referring to the minute colonies formed by the organism

Pronunciation (Latin), gender: e͡u-bak-TE-ri-um mi-NU-tum, neuter

Type strain: ATCC 700079; CIP 104795; DSM 18759; M-6

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB020885 Analyse FASTA

Valid publication: Poco SEJ, Nakazawa F, Sato M, Hoshino E. Eubacterium minutum sp. nov., isolated from human periodontal pockets. Int J Syst Bacteriol 1996; 46:31-34. 🇯🇵

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 1 of the IJSB. Int J Syst Bacteriol 1996; 46:627.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

Synonyms:

Name	Kind
Eubacterium tardum Cheeseman et al. 1996	heterotypic synonym, validly published under the ICNP

Emendations:
- Wade et al. 1999 Wade WG, Downes J, Munson MA, Weightman AJ. Eubacterium minutum is an earlier synonym of Eubacterium tardum and has priority. Int J Syst Bacteriol 1999; 49:1939-1941. 🇬🇧 Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 4 of the IJSB. Int J Syst Bacteriol 2000; 50:5-7.
  Notes:
  - 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

Notes:
- ⏰ According to Wade et al. (1999), this species is an earlier heterotypic synonym of Eubacterium tardum Cheeseman et al. 1996. Publication: Wade WG, Downes J, Munson MA, Weightman AJ. Eubacterium minutum is an earlier synonym of Eubacterium tardum and has priority. Int J Syst Bacteriol 1999; 49:1939-1941. 🇬🇧
- 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 = 2. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 9 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 the species itself.
- 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧
- 🧍 According to Ludwig et al. (2021), this "species, together with E. nodatum, are susceptible to being classified 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. 🇪🇸

Parent taxon: Eubacterium Prévot 1938 (Approved Lists 1980)

Assigned by: Poco SEJ, Nakazawa F, Sato M, Hoshino E. Eubacterium minutum sp. nov., isolated from human periodontal pockets. Int J Syst Bacteriol 1996; 46:31-34. 🇯🇵

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.783810Link copied to clipboard

Record number: 783810

This LPSN page was printed on 2026-08-16 15:59:18

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Species Eubacterium minutum

Species ***Eubacterium* *minutum***