Species ***Bifidobacterium* *thermacidophilum***

Name: Bifidobacterium thermacidophilum Dong et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: therm.a.ci.do’phi.lum. Gr. fem. adj. thermê, heat; L. neut. adj. acidum, an acid; from L. masc. adj. acidus, sour; N.L. adj. philus -a -um, friend, loving; from Gr. adj. philos -ê -on, loving; N.L. neut. adj. thermacidophilum, heat/acid-loving

Pronunciation (Latin), gender: bi-fi-do-bak-TE-ri-um t^herm-a-ki-DO-p^hi-lum, neuter

Type strain: 36; CGMCC 1.2282; DSM 15837; JCM 11165; LMG 21395

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB016246 Analyse FASTA

Valid publication: Dong X, Xin Y, Jian W, Liu X, Ling D. Bifidobacterium thermacidophilum sp. nov., isolated from an anaerobic digester. Int J Syst Evol Microbiol 2000; 50:119-125. 🇨🇳

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 1 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:425-426.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

Emendations:
- Zhu et al. 2003 Zhu L, Li W, Dong X. Species identification of genus Bifidobacterium based on partial HSP60 gene sequences and proposal of Bifidobacterium thermacidophilum subsp. porcinum subsp. nov. Int J Syst Evol Microbiol 2003; 53:1619-1623. 🇨🇳 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 5 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:3-6.
- Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
  Notes:
  - 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.04024 (N = 6).
- 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. 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 13 times in PubMed until 2026-06-11.
- 🙆 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 genus.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 3

Child taxa:

Name	Nomenclatural status	Taxonomic status
Bifidobacterium thermacidophilum subsp. porcinum Zhu et al. 2003	validly published under the ICNP	synonym
"Bifidobacterium thermacidophilum subsp. suis" Kheadr et al. 2007	not validly published	synonym
Bifidobacterium thermacidophilum subsp. thermacidophilum (Dong et al. 2000) Zhu et al. 2003	validly published under the ICNP	synonym of its species

Parent taxon: Bifidobacterium Orla-Jensen 1924 (Approved Lists 1980)

Assigned by: Dong X, Xin Y, Jian W, Liu X, Ling D. Bifidobacterium thermacidophilum sp. nov., isolated from an anaerobic digester. Int J Syst Evol Microbiol 2000; 50:119-125. 🇨🇳

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.783508Link copied to clipboard

Record number: 783508

This LPSN page was printed on 2026-08-10 08:37:28

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Species Bifidobacterium thermacidophilum

Species ***Bifidobacterium* *thermacidophilum***