Name: Propionibacterium granulosum (Prévot 1938) Moore and Holdeman 1970 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Corynebacterium granulosum" Prévot 1938

Etymology: gra.nu.lo’sum. L. neut. dim. n. granulum, a small grain; L. neut. adj. suff. -osum, suffix meaning full of; N.L. neut. adj. granulosum, full of granules

Pronunciation, gender: gra-nu-LO-sum, neuter

Type strain: ATCC 25564; CCUG 32987; CIP 103262; DSM 20700; LMG 16726; NCTC 11865

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ003057 Analyse FASTA

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 (and not recommended for medical use)

Correct name: Cutibacterium granulosum (Prévot 1938) Scholz and Kilian 2016

Risk group: 2

• Synonyms:

  • Name	Kind
    Cutibacterium granulosum (Prévot 1938) Scholz and Kilian 2016	homotypic synonym, validly published under the ICNP
    "Corynebacterium granulosum" Prévot 1938	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • ❗ Propionibacterium granulosum is the correct name instead 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 Propionibacterium.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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.
  • 🎓 Name mentioned 106 times in PubMed until 2025-06-04.
  • 🙅 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 species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0.

Parent taxon: Propionibacterium Orla-Jensen 1909 (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: 779826