Name: Propionibacterium freudenreichii subsp. freudenreichii (van Niel 1928) Moore and Holdeman 1970 (Approved Lists 1980)

Category: Subspecies

Proposed as: subsp. nov.

Basonym: Propionibacterium freudenreichii van Niel 1928 (Approved Lists 1980)

Etymology: freu.den.reich’i.i. N.L. gen. masc. n. freudenreichii, of Freudenreich, named after Edouard von Freudenreich, the Swiss bacteriologist who first isolated this species

Gender: neuter

Type strain: ATCC 6207; CCUG 7433; CIP 103026; DSM 20271; HAMBI 274; IFO 12424; LMG 16412; NBRC 12424; NCTC 10470; NRRL B-3523

See detailed strain information at

Effective publication: Moore WEC, Holdeman LV. Propionibacterium, Arachnia, Actinomyces, Lactobacillus and Bifidobacterium. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 15-21.

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: synonym of its species (division into subspecies abandoned)

Risk group: 1

• Notes:
  • ❗ Propionibacterium freudenreichii subsp. freudenreichii 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 Propionibacterium freudenreichii within a separate genus Propionibacterium.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🧍 In the Approved Lists of Bacterial Names, Propionibacterium freudenreichii subsp. freudenreichii is erroneously cited as Propionibacterium freudenreichii subsp. freudenreichii (van Niel 1928) Moore and Holdeman 1970 (Opinion 86). Publication: Judicial Commission. Judicial Opinion No. 86. Int J Syst Evol Microbiol 2008; 58:1975.

Parent taxon: Propionibacterium freudenreichii van Niel 1928 (Approved Lists 1980)

Assigned by: Moore WEC, Holdeman LV. Propionibacterium, Arachnia, Actinomyces, Lactobacillus and Bifidobacterium. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 15-21.

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Record number: 779824