Name: Propionibacterium jensenii van Niel 1928 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: jen.se’ni.i. N.L. gen. masc. n. jensenii, of Jensen, named after Sigurd Orla-Jensen (1870-1949), the Danish bacteriologist who first isolated this organism

Gender: neuter

Type strain: ATCC 4868; CCUG 48883; CIP 103028; DSM 20535

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ704571 Analyse FASTA

Effective publication: Van N. The propionic acid bacteria. Uitgeverszaak and Boissevain and Co., Haarlem, Holland, 1928.

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: Acidipropionibacterium jensenii (van Niel 1928) Scholz and Kilian 2016

Risk group: 1

• Synonyms:

  • Name	Kind
    Acidipropionibacterium jensenii (van Niel 1928) Scholz and Kilian 2016	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Propionibacterium jensenii 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, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 45 times in PubMed until 2024-03-28.
  • 🙅 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: Van N. The propionic acid bacteria. Uitgeverszaak and Boissevain and Co., Haarlem, Holland, 1928.

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Record number: 779828