Name: Propionibacterium microaerophilum Koussémon et al. 2001

Category: Species

Proposed as: sp. nov.

Etymology: mi.cro.ae.ro’phi.lum. Gr. masc. adj. mikros, small (may keep -o); Gr. masc. n. aêr, air; Gr. masc. adj. philos, loving; N.L. neut. adj. microaerophilum, slightly air-loving

Gender: neuter

Type strain: CIP 109962; CNCM I-2360; DSM 13435; M5; NCTC 13649

See detailed strain information at

16S rRNA gene: AF234623 Analyse FASTA

Valid publication: Koussemon M, Combet-Blanc Y, Patel BK, Cayol JL, Thomas P, Garcia JL, Ollivier B. Propionibacterium microaerophilum sp. nov., a microaerophilic bacterium isolated from olive mill wastewater. Int J Syst Evol Microbiol 2001; 51:1373-1382.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 4 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1621-1623.

Nomenclatural status: validly published under the ICNP

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

Correct name: Acidipropionibacterium microaerophilum (Koussémon et al. 2001) Scholz and Kilian 2016

Risk group: 1

• Synonyms:

  • Name	Kind
    Acidipropionibacterium microaerophilum (Koussémon et al. 2001) Scholz and Kilian 2016	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Propionibacterium microaerophilum 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 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 6 times in PubMed until 2024-03-27.
  • 🙅 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.
  • 🧍 CNCM is solely set up to deal with deposits on a confidential basis (i.e. patent deposits under the Budapest Treaty). Strain CNCM I-2360 is probably a patent deposit. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

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

Assigned by: Koussemon M, Combet-Blanc Y, Patel BK, Cayol JL, Thomas P, Garcia JL, Ollivier B. Propionibacterium microaerophilum sp. nov., a microaerophilic bacterium isolated from olive mill wastewater. Int J Syst Evol Microbiol 2001; 51:1373-1382.

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Record number: 779830