Name: Faecalicatena orotica (Wachsman and Barker 1954) Sakamoto et al. 2017

Category: Species

Proposed as: comb. nov.

Basonym: "Zymobacterium oroticum" Wachsman and Barker 1954

Etymology: o.ro’ti.ca. N.L. neut. n. acidum oroticum, orotic acid; N.L. fem. adj. orotica, pertaining to orotic acid

Pronunciation, gender: o-RO-ti-ka, feminine

Type strain: ATCC 13619; DSM 1287; JCM 1429; LMG 3286; NCCB 73016; NCIB 10650; NCIMB 10650

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M59109 Analyse FASTA

Valid publication: Sakamoto M, Iino T, Ohkuma M. Faecalimonas umbilicata gen. nov., sp. nov., isolated from human faeces, and reclassification of Eubacterium contortum, Eubacterium fissicatena and Clostridium oroticum as Faecalicatena contorta gen. nov., comb. nov., Faecalicatena fissicatena comb. nov. and Faecalicatena orotica comb. nov. Int J Syst Evol Microbiol 2017; 67:1219-1227.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 5 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:2495-2498.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Clostridium oroticum (Wachsman and Barker 1954) Cato et al. 1968 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Zymobacterium oroticum" Wachsman and Barker 1954	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 4 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. This name is not taxonomically suspended any more in favour of Clostridium oroticum (Wachsman and Barker 1954) Cato et al. 1968 (Approved Lists 1980). Publication: Cato E, Moore WEC, Holdeman LV. Clostridium oroticum comb. nov. amended description. International Journal of Systematic Bacteriology 1968; 18:9-13. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Faecalicatena Sakamoto et al. 2017

Assigned by: Sakamoto M, Iino T, Ohkuma M. Faecalimonas umbilicata gen. nov., sp. nov., isolated from human faeces, and reclassification of Eubacterium contortum, Eubacterium fissicatena and Clostridium oroticum as Faecalicatena contorta gen. nov., comb. nov., Faecalicatena fissicatena comb. nov. and Faecalicatena orotica comb. nov. Int J Syst Evol Microbiol 2017; 67:1219-1227.

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Record number: 795296