homotypic synonym, validly published under the ICNP, distinct rank
According to Liu et al. (2020), this species is not a later heterotypic synonym of Bifidobacteriumgallinarum Watabe et al. 1983.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.
Bifidobacteriumsaeculare is the correct name 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 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.
The date of valid publication of this name is in fact that of the first citation in a Validation List (List no. 40, published 8 January 1992) .Publication:
Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938.
The species Bifidobacterium saeculare (effective publication: Biavati et al. 1992, type strain: RA161 = ATCC 49392) appears also on the Validation List no. 41 . The date of valid publication of this name is in fact that of the first citation in a Validation List (List no. 40, published 8 January 1992) .Publication:
Anonymous. Validation list no. 41. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1992; 42:327-328.