Name: Pasteurella granulomatis Ribeiro et al. 1990

Category: Species

Proposed as: sp. nov.

Etymology: gra.nu.lo’ma.tis. N.L. neut. n. granuloma, a granuloma; N.L. gen. neut. n. granulomatis, of a granuloma

Gender: feminine

Type strain: 26; ATCC 49244; CCUG 45422; CIP 103433; DSM 19156

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF053902 Analyse FASTA

Effective publication: Ribeiro GA, Carter GR, Frederiksen W, Riet-Correa F. Pasteurella haemolytica-like bacterium from a progressive granuloma of cattle in Brazil. J Clin Microbiol 1989; 27:1401-1402.

IJSEM list: Anonymous. Validation list no. 32. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1990; 40:105-106.

Nomenclatural status: validly published under the ICNP

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

Correct name: Mannheimia granulomatis (Ribeiro et al. 1990) Angen et al. 1999

Risk group: 2

• Synonyms:

  • Name	Kind
    Mannheimia granulomatis (Ribeiro et al. 1990) Angen et al. 1999	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Pasteurella granulomatis 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 Pasteurella.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - 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, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t". — 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 8 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.

Parent taxon: Pasteurella Trevisan 1887 (Approved Lists 1980)

Assigned by: Ribeiro GA, Carter GR, Frederiksen W, Riet-Correa F. Pasteurella haemolytica-like bacterium from a progressive granuloma of cattle in Brazil. J Clin Microbiol 1989; 27:1401-1402.

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Record number: 784584