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Species Clostridium ramosum
Name: Clostridium ramosum (Veillon and Zuber 1898) Holdeman et al. 1971 (Approved Lists 1980)
Basonym: "Bacillus ramosus" Veillon and Zuber 1898
Etymology: ra.mo’sum. L. neut. adj. ramosum, much-branched
Pronunciation (Latin), gender: … 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
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
X73440
Analyse
FASTA
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: correct name (and explicitly recommended for medical use)
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Synonyms:
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Name Kind "Bacillus ramosus" Veillon and Zuber 1898 homotypic synonym, not validly published, basonym of name in Approved Lists "Erysipelatoclostridium ramosum" (Veillon and Zuber 1898) Yutin and Galperin 2013 homotypic synonym, not validly published Thomasclavelia ramosa (Veillon and Zuber 1898) Lawson et al. 2023 homotypic synonym, validly published under the ICNP
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Notes:
- 🧬 The phylogenomic assignment score of this taxon is -0.00949 (N = 32).
- 😷 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 2023-10-29. 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 109 times in PubMed until 2025-06-04.
- 🙆 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.
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⚠ This name is retained (and recommended for medical use. This will change in the future) instead of Thomasclavelia ramosa (Veillon and Zuber 1898) Lawson et al. 2023.
Publication:
Lawson PA, Saavedra Perez L, Sankaranarayanan K. Reclassification of Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia as Thomasclavelia cocleata gen. nov., comb. nov., Thomasclavelia ramosa comb. nov., gen. nov., Thomasclavelia spiroformis comb. nov. and Thomasclavelia saccharogumia comb. nov. Int J Syst Evol Microbiol 2023; 73:5694.
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Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 73, part 1 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:5835.
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🧍 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://lpsn.dsmz.de/species/clostridium-ramosumLink copied to clipboard
Record number: 774967
This LPSN page was printed on 2026-02-07 10:27:20