Name: Bifidobacterium longum subsp. longum (Reuter 1963) Mattarelli et al. 2008 (Approved Lists 1980)

Category: Subspecies

Proposed as: subsp. nov.

Basonym: Bifidobacterium longum Reuter 1963 (Approved Lists 1980)

Etymology: lon’gum. L. neut. adj. longum, long

Pronunciation, gender: LON-gum, neuter

Type strain: ATCC 15707; BCRC 11847; CCRC 11847; CCUG 28903; CGMCC 1.2186; CIP 64.62; DSM 20219; E194b; HAMBI 554; JCM 1217; KCTC 3128; LMG 10497; LMG 13197; NBIMCC 8821; NCAIM B.01819; NCDO 2259; NCFB 2259; NCIMB 702259; NCTC 11818

See detailed strain information at

Effective 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: 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

• Notes:
  • 🙋 This subspecies could be automatically created (rule 40d) by the valid publication of Bifidobacterium longum subsp. infantis (Reuter 1963) Mattarelli et al. 2008 but an explicit description was also provided. 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. 🇮🇹
  • 🙋 This subspecies could be automatically created (rule 40d) by the valid publication of Bifidobacterium longum subsp. suis (Matteuzzi et al. 1971) Mattarelli et al. 2008 but an explicit description was also provided. 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. 🇮🇹
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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.
  • 🧍 The original authorship, Reuter 1963, was corrected according to the new Rule 40d. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780. 🇺🇸

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: 787282