Name: Propionibacterium innocuum Pitcher and Collins 1992

Category: Species

Proposed as: sp. nov.

Etymology: in.no’cu.um. L. neut. adj. innocuum, harmless

Pronunciation, gender: in-NO-ku-um, neuter

Type strain: ATCC 49929; CCUG 33480; DSM 8251; JCM 13395; L60; LMG 16732; NCTC 11082

Conduct genome-based taxonomy at

16S rRNA gene: AF227165 Analyse FASTA

Effective publication: Pitcher DG, Collins MD. Phylogenetic analysis of some LL-diaminopimelic acid-containing coryneform bacteria from human skin: description of Propionibacterium innocuum sp. nov. FEMS Microbiol Lett 1991; 68:295-300.

IJSEM list: 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.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Propioniferax innocua (Pitcher and Collins 1992) Yokota et al. 1994

Risk group: 1

• Synonyms:

  • Name	Kind
    Propioniferax innocua (Pitcher and Collins 1992) Yokota et al. 1994	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Propionibacterium innocuum 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 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 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. — 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 2 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 genus.

Parent taxon: Propionibacterium Orla-Jensen 1909 (Approved Lists 1980)

Assigned by: Pitcher DG, Collins MD. Phylogenetic analysis of some LL-diaminopimelic acid-containing coryneform bacteria from human skin: description of Propionibacterium innocuum sp. nov. FEMS Microbiol Lett 1991; 68:295-300.

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Record number: 779827