Species ***Bifidobacterium* *animalis***

Name: Bifidobacterium animalis (Mitsuoka 1969) Scardovi and Trovatelli 1974 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Bifidobacterium longum subsp. animalis" Mitsuoka 1969

Etymology: a.ni.ma’lis. L. gen. n. animalis, of a living being, an animal (also as adjective)

Pronunciation (Latin), gender: bi-fi-do-bak-TE-ri-um a-ni-MA-lis, neuter

Type strain: ATCC 25527; BCRC 14668; CCRC 14668; CCUG 24606; CCUG 33907; CGMCC 1.2268; CIP 105419; DSM 20104; HAMBI 112; JCM 1190; KCTC 3125; LMG 10508; NBIMCC 8820; NCDO 2242; NCFB 2242; NCIMB 702242; R101-8

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D86185 Analyse FASTA

Effective publication: Scardovi V, Trovatelli LD. Bifidobacterium animalis (Mitsuoka) comb. nov. and the "minimum" and "subtile" groups of new bifidobacteria found in sewage. International Journal of Systematic Bacteriology 1974; 24:21-28.

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: correct name (and explicitly recommended for medical use)

Risk group: 1

Synonyms:

Name	Kind
"Bifidobacterium longum subsp. animalis" Mitsuoka 1969	homotypic synonym, not validly published, basonym of name in Approved Lists, distinct rank

Emendations:
- Masco et al. 2004 Masco L, Ventura M, Zink R, Huys G, Swings J. Polyphasic taxonomic analysis of Bifidobacterium animalis and Bifidobacterium lactis reveals relatedness at the subspecies level: reclassification of Bifidobacterium animalis as Bifidobacterium animalis subsp. animalis subsp. nov. and Bifidobacterium lactis as Bifidobacterium animalis subsp. lactis subsp. nov. Int J Syst Evol Microbiol 2004; 54:1137-1143. 🇧🇪 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 4 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:1911-1913.

Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.04124 (N = 7).
- 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 1427 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.
- 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Nouioui et al. (2018). Publication: 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. 🇩🇪
- 🧍 See also: Publication: Klein G. International Committee on Systematic Bacteriology. Subcommittee on the taxonomy of Bifidobacterium, Lactobacillus and related organisms. Minutes of the meetings, 22 and 23 September 1999, Veldhoven, The Netherlands. Int. J. Syst. Evol. Microbiol. 2001; 51:259-261.
- 🧍 The levels of DNA-DNA hybridization between the type strains of Bifidobacterium animalis and Bifidobacterium lactis range from 85.5 to 92.3%. So, Bifidobacterium animalis (Mitsuoka 1969) Scardovi and Trovatelli 1974 (Approved Lists 1980) is an earlier heterotypic synonym of Bifidobacterium lactis Meile et al. 1997. Publication: Cai Y, Matsumoto M, Benno Y. Bifidobacterium lactis Meile et al. 1997 is a subjective synonym of Bifidobacterium animalis (Mitsuoka 1969) Scardovi and Trovatelli 1974. Microbiol Immunol 2000; 44:815-820. 🇯🇵

Subdivision:

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

Child taxa:

Name	Nomenclatural status	Taxonomic status
Bifidobacterium animalis subsp. animalis (Mitsuoka 1969) Masco et al. 2004 (Approved Lists 1980)	validly published under the ICNP	correct name
Bifidobacterium animalis subsp. lactis (Meile et al. 1997) Masco et al. 2004	validly published under the ICNP	correct name

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

Assigned by: Scardovi V, Trovatelli LD. Bifidobacterium animalis (Mitsuoka) comb. nov. and the "minimum" and "subtile" groups of new bifidobacteria found in sewage. International Journal of Systematic Bacteriology 1974; 24:21-28.

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Record number: 774022

This LPSN page was printed on 2026-09-13 02:37:07

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Species Bifidobacterium animalis

Species ***Bifidobacterium* *animalis***