Name: Bifidobacterium longum subsp. suis (Matteuzzi et al. 1971) Mattarelli et al. 2008

Category: Subspecies

Proposed as: comb. nov.

Basonym: Bifidobacterium suis Matteuzzi et al. 1971 (Approved Lists 1980)

Etymology: su’is. L. masc./fem. n. sus, pig; L. gen. masc./fem. n. suis, of a pig

Gender: neuter

Type strain: ATCC 27533; BCRC 14671; CCRC 14671; CCUG 35234; CIP 103377; DSM 20211; HAMBI 1381; JCM 1269; LMG 11598; Su859

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M58743 Analyse FASTA

Valid publication: Mattarelli P, Bonaparte C, Pot B, Biavati B. Proposal to reclassify the three biotypes of Bifidobacterium longum as three subspecies: Bifidobacterium longum subsp. longum subsp. nov., Bifidobacterium longum subsp. infantis comb. nov. and Bifidobacterium longum subsp. suis comb. nov. Int J Syst Evol Microbiol 2008; 58:767-772.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 4 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1513-1514.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Bifidobacterium suis Matteuzzi et al. 1971 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, distinct rank

• Emendations:
  • 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 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1.

Parent taxon: Bifidobacterium longum Reuter 1963 (Approved Lists 1980)

Assigned by: Mattarelli P, Bonaparte C, Pot B, Biavati B. Proposal to reclassify the three biotypes of Bifidobacterium longum as three subspecies: Bifidobacterium longum subsp. longum subsp. nov., Bifidobacterium longum subsp. infantis comb. nov. and Bifidobacterium longum subsp. suis comb. nov. Int J Syst Evol Microbiol 2008; 58:767-772.

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Record number: 787284