Species Clostridium bifermentans

Name: Clostridium bifermentans (Weinberg and Séguin 1918) Bergey et al. 1923 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus bifermentans" Weinberg and Séguin 1918

Etymology: bi.fer.men’tans. L. adv. bis, twice; L. pres. part. fermentans, fermenting; N.L. neut. part. adj. bifermentans, fermenting both carbohydrates and amino acids

Gender: neuter

Type strain: 76; ATCC 638; BCRC 14542; CCRC 14542; CCUG 36626; CIP 104309; DSM 14991; Hall 76; JCM 1386; NCIMB 10716; NCTC 13019

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB075769 Analyse FASTA

Effective publication: Bergey DH, Harrison FC, Breed RS, Hammer BW, Huntoon FM. Bergey's Manual of Determinative Bacteriology, 1st ed. The Williams & Wilkins Co, Baltimore, 1923.

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: Paraclostridium bifermentans (Weinberg and Séguin 1918) Sasi Jyothsna et al. 2016

Risk group: 2

Synonyms:

Name	Kind
"Bacillus bifermentans" Weinberg and Séguin 1918	homotypic synonym, not validly published, basonym of name in Approved Lists
Paraclostridium bifermentans (Weinberg and Séguin 1918) Sasi Jyothsna et al. 2016	homotypic synonym, validly published under the ICNP

Emendations:
- Chamkha et al. 2001 Chamkha M, Bharat BKC, Garcia J-L, Labat M. Isolation of Clostridium bifermentans from oil mill wastewaters converting cinnamic acid to 3-phenylpropionic acid and emendation of the species. Anaerobe 2001; 7:189-197. Euzeby JP. List of changes in taxonomic opinion no. 1. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2005; 55:7-8.

Notes:
- ❗ Clostridium bifermentans 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 2023-10-29. The full classification is: risk group = 2, note = "ht". — 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 200 times in PubMed until 2024-03-27.
- 🙅 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 2022; 168:0.

Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Bergey DH, Harrison FC, Breed RS, Hammer BW, Huntoon FM. Bergey's Manual of Determinative Bacteriology, 1st ed. The Williams & Wilkins Co, Baltimore, 1923.

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Record number: 774836

This LPSN page was printed on 2025-05-16 13:58:54

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Species Clostridium bifermentans