Subspecies Bifidobacterium gallinarum subsp. saeculare

Name: Bifidobacterium gallinarum subsp. saeculare (Biavati et al. 1992) Liu et al. 2020

Category, proposed as: subspecies, comb. nov.

Basonym: Bifidobacterium saeculare Biavati et al. 1992

Etymology: sae.cu.la’re. L. neut. adj. saeculare, of or belonging to a saeculum (century), commemorating the ninth centenary of the foundation of Bologna University

Pronunciation (Latin), gender: bi-fi-do-bak-TE-ri-um gal-li-NA-rum sa͡e-ku-LA-re, neuter

Type strain: ATCC 49392; CCUG 34977; CGMCC 1.2278; DSM 6531; JCM 18223; JCM 8223; LMG 14934; RA161

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D89328 Analyse FASTA

Valid publication: Liu DD, Wang H, Gu CT. Proposal of Bifidobacterium saeculare Biavati et al. 1992 as a later heterotypic synonym of Bifidobacterium gallinarum Watabe et al. 1983 and Bifidobacterium gallinarum subsp. saeculare subsp. nov. Int J Syst Evol Microbiol 2020; 70:5964-5968. 🇨🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 11 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4645.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Bifidobacterium pullorum subsp. saeculare (Biavati et al. 1992) Nouioui et al. 2018	homotypic synonym, validly published under the ICNP
    Bifidobacterium saeculare Biavati et al. 1992	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ⏲ According to Liu et al. (2020), this subspecies is not a later heterotypic synonym of Bifidobacterium pullorum subsp. gallinarum (Watabe et al. 1983) Nouioui et al. 2018. Publication: Liu DD, Wang H, Gu CT. Proposal of Bifidobacterium saeculare Biavati et al. 1992 as a later heterotypic synonym of Bifidobacterium gallinarum Watabe et al. 1983 and Bifidobacterium gallinarum subsp. saeculare subsp. nov. Int J Syst Evol Microbiol 2020; 70:5964-5968. 🇨🇳
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 11 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4645.
  • 😷 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Bifidobacterium gallinarum Watabe et al. 1983

Assigned by: Liu DD, Wang H, Gu CT. Proposal of Bifidobacterium saeculare Biavati et al. 1992 as a later heterotypic synonym of Bifidobacterium gallinarum Watabe et al. 1983 and Bifidobacterium gallinarum subsp. saeculare subsp. nov. Int J Syst Evol Microbiol 2020; 70:5964-5968. 🇨🇳

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Record number: 14712