Species Clostridium citroniae

Name: Clostridium citroniae Warren et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: ci.tro’ni.ae. N.L. gen. fem. n. citroniae, of Citron, named after Diane M. Citron for numerous contributions to clinical anaerobic bacteriology as a clinical microbiologist and educator

Pronunciation (Latin), gender: … ki-TRO-ni-a͡e, neuter

Type strain: ATCC BAA-1317; CCUG 52203; DSM 19261; RMA 16102

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HM245936 Analyse FASTA

Effective publication: Warren YA, Tyrrell KL, Citron DM, Goldstein EJ. Clostridium aldenense sp. nov. and Clostridium citroniae sp. nov. isolated from human clinical infections. J Clin Microbiol 2006; 44:2416-2422. 🇺🇸

IJSEM list: Euzeby JP. Validation list no. 115. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2007; 57:893-897.

Nomenclatural status: validly published under the ICNP

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

Correct name: Enterocloster citroniae (Warren et al. 2007) Haas and Blanchard 2020

Risk group: 2

Synonyms:

Name	Kind
Enterocloster citroniae (Warren et al. 2007) Haas and Blanchard 2020	homotypic synonym, validly published under the ICNP

Notes:
- ❗ Clostridium citroniae 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 13 times in PubMed until 2025-06-04.
- 🙅 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. 🇬🇧
- 🧍 The epithet citroniae is not in accordance with the Recommendation 6(10) of the Bacteriological Code. Publication: Oren A, Arahal DR, Goker M, Moore ERB, Rossello-Mora R, Sutcliffe IC. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2022 Revision). Int J Syst Evol Microbiol 2023; 73:5585. 🇮🇱

Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)

Assigned by: Warren YA, Tyrrell KL, Citron DM, Goldstein EJ. Clostridium aldenense sp. nov. and Clostridium citroniae sp. nov. isolated from human clinical infections. J Clin Microbiol 2006; 44:2416-2422. 🇺🇸

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Record number: 786178

This LPSN page was printed on 2026-02-08 23:06:53

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Species Clostridium citroniae