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Species Clostridium ramosum

Name: Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980)

Category, proposed as: species, comb. nov.

Basonym: "Bacillus ramosus" Veillon and Zuber 1898

Etymology: ra.mo’sum. L. neut. adj. ramosum, much-branched

Pronunciation (Latin), gender: klos-TRI-di-um ra-MO-sum, neuter

Type strain: ATCC 25582; BCRC 14518; CCRC 14518; CCUG 24038; CHUV1985; DSM 1402; JCM 1298; NCIB 10673; NCIMB 10673; NCTC 11812; VPI 0427; VTT E-062946

16S rRNA gene: X73440 Analysetree FASTA download

Effective publication: Holdeman LV, Cato EP, Moore WEC. Clostridium ramosum (Vuillemin) comb. nov.: emended description and proposed neotype strain. International Journal of Systematic Bacteriology 1971; 21:35-39.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Correct name: Thomasclavelia ramosa (Veillon and Zuber 1898) Lawson et al. 2023

Risk group: 2

  • Notes:
    • ❗ Clostridium ramosum 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 Clostridium.
    • 😷 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 114 times in PubMed until 2026-06-11.
    • 🙅 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.
    • 🧍 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. 🇬🇧

Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Holdeman LV, Cato EP, Moore WEC. Clostridium ramosum (Vuillemin) comb. nov.: emended description and proposed neotype strain. International Journal of Systematic Bacteriology 1971; 21:35-39.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.774967Link copied to clipboard

Record number: 774967

  • Previous versions:
    • Version Date JSON
      1 2026-03-31 download