Species Bifidobacterium faecale

Name: Bifidobacterium faecale Choi et al. 2014

Category: Species

Proposed as: sp. nov.

Etymology: fae.ca’le. L. fem. n. faex (gen. faecis), dregs, faeces; L. neut. adj. suff. -ale, suffix denoting pertaining to; N.L. neut. adj. faecale, pertaining to faeces, faecal

Pronunciation (Latin), gender: bi-fi-do-bak-TE-ri-um fa͡e-KA-le, neuter

Type strain: CU3-7; JCM 19861; KACC 17904

Conduct genome-based taxonomy at

16S rRNA gene: KF990498 Analyse FASTA

Valid publication: Choi JH, Lee KM, Lee MK, Cha CJ, Kim GB. Bifidobacterium faecale sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2014; 64:3134-3139. 🇰🇷

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 9 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:3923-3925.

Nomenclatural status: validly published under the ICNP

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

Correct name: Bifidobacterium adolescentis Reuter 1963 (Approved Lists 1980)

Risk group: 1

Synonyms:

Name	Kind
Bifidobacterium stercoris Kim et al. 2010	heterotypic synonym, validly published under the ICNP
Bifidobacterium adolescentis Reuter 1963 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

Notes:
- ⏲ According to Okuhama et al. (2025), this species is a later heterotypic synonym of Bifidobacterium adolescentis Reuter 1963 (Approved Lists 1980). Publication: Okuhama S, Takahashi H, Nakayama Y, Endo A. Reclassification of Bifidobacterium faecale Choi et al. 2014 as a later heterotypic synonym of Bifidobacterium adolescentis Reuter 1963. Int J Syst Evol Microbiol 2025; 75:6706. 🇯🇵
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 75, part 3 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6765.
- ❗ Bifidobacterium faecale 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 Bifidobacterium.
- 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — 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 5 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 genus.
- 🧍 According to Bartlett et al. (2022), this species was isolated from feces in healthy individuals. 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: Bifidobacterium Orla-Jensen 1924 (Approved Lists 1980)

Assigned by: Choi JH, Lee KM, Lee MK, Cha CJ, Kim GB. Bifidobacterium faecale sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2014; 64:3134-3139. 🇰🇷

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.792178Link copied to clipboard

Record number: 792178

This LPSN page was printed on 2026-09-14 06:09:04

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Species Bifidobacterium faecale