Name: Bifidobacterium pullorum subsp. saeculare (Biavati et al. 1992) Nouioui et al. 2018

Category: Subspecies

Proposed as: comb. nov.

Basonym: Bifidobacterium saeculare Biavati et al. 1992

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

Pronunciation, gender: 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

Effective 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.

IJSEM list: Oren A, Garrity GM. Validation list no. 184. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:3379-3393.

Nomenclatural status: validly published under the ICNP

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

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

• Synonyms:

  • Name	Kind
    Bifidobacterium gallinarum subsp. saeculare (Biavati et al. 1992) Liu et al. 2020	homotypic synonym, validly published under the ICNP
    Bifidobacterium saeculare Biavati et al. 1992	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 🏢 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.
  • ❗ Bifidobacterium pullorum subsp. saeculare is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Bifidobacterium pullorum within a separate genus Bifidobacterium.
  • 🙅 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 subspecies. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Bifidobacterium pullorum Trovatelli et al. 1974 (Approved Lists 1980)

Assigned by: 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.

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Record number: 798319