Species Actinobacillus minor

Name: Actinobacillus minor Møller et al. 1996

Category, proposed as: species, sp. nov.

Etymology: mi’nor. L. comp. masc. adj. minor, less, smaller, referring to the name of this taxon used previously [15]

Pronunciation (Latin), gender: ak-ti-no-ba-KIL-lus MI-nor, masculine

Type strain: CCUG 38923; CIP 105314; NM305

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: U65582 Analyse FASTA

Valid publication: Moller K, Fussing V, Grimont PA, Paster BJ, Dewhirst FE, Kilian M. Actinobacillus minor sp. nov., Actinobacillus porcinus sp. nov., and Actinobacillus indolicus sp. nov., three new V factor-dependent species from the respiratory tract of pigs. Int J Syst Bacteriol 1996; 46:951-956. 🇩🇰

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 4 of the IJSB. Int J Syst Bacteriol 1997; 47:243-244.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    "Pseudohaemophilus minor" (Møller et al. 1996) Segui et al. 2026	homotypic synonym, not validly published

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.02357 (N = 31).
  • 😷 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 = 2. — The risk group for Germany has been imported on 2026-08-13. 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 22 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Actinobacillus minor Møller et al. 1996 was previously known as Haemophilus sp. minor group. Publication: Winslow CE, Broadhurst J, Buchanan RE, Krumwiede C, Rogers LA, Smith GH. The Families and Genera of the Bacteria: Preliminary Report of the Committee of the Society of American Bacteriologists on Characterization and Classification of Bacterial Types. J Bacteriol 1917; 2:505-566.

Parent taxon: Actinobacillus Brumpt 1910 (Approved Lists 1980)

Assigned by: Moller K, Fussing V, Grimont PA, Paster BJ, Dewhirst FE, Kilian M. Actinobacillus minor sp. nov., Actinobacillus porcinus sp. nov., and Actinobacillus indolicus sp. nov., three new V factor-dependent species from the respiratory tract of pigs. Int J Syst Bacteriol 1996; 46:951-956. 🇩🇰

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Record number: 783283