Name: Actinobacillus rossii Sneath and Stevens 1990

Category: Species

Proposed as: sp. nov.

Etymology: ross’i.i. N.L. gen. masc. n. rossii, of Ross, named after R.F. Ross, who with his colleagues isolated the organism

Gender: masculine

Type strain: 192; A55; A55 and A68; ATCC 27072; CCUG 12395; CCUG 24851; CIP 102634; DSM 17479; NCTC 10801; P624; Ross 192

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY362895 Analyse FASTA

Valid publication: Sneath PH, Stevens M. Actinobacillus rossii sp. nov., Actinobacillus seminis sp. nov., nom. rev., Pasteurella bettii sp. nov., Pasteurella lymphangitidis sp. nov., Pasteurella mairi sp. nov., and Pasteurella trehalosi sp. nov. Int J Syst Bacteriol 1990; 40:148-153.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Emendations:
  • Christensen et al. 2005 Christensen H, Kuhnert P, Bisgaard M, Mutters R, Dziva F, Olsen JE. Emended description of porcine [Pasteurella] aerogenes, [Pasteurella] mairii and [Actinobacillus] rossii. Int J Syst Evol Microbiol 2005; 55:209-223. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 1 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:987-991.
    Notes:
    • 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.

• Notes:
  • 😷 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".
  • 🎓 Name mentioned 7 times in PubMed until 2024-03-28.
  • 🧍 Actinobacillus rossii Sneath and Stevens 1990 was previously known as phenon 17 of Sneath and Stevens and Actinobacillus sp. group "Ross" of Kilian and Frederiksen. Publication: Sneath PH, Stevens M. A numerical taxonomic study of Actinobacillus, Pasteurella and Yersinia. J Gen Microbiol 1985; 131:2711-2738.

Parent taxon: Actinobacillus Brumpt 1910 (Approved Lists 1980)

Assigned by: Sneath PH, Stevens M. Actinobacillus rossii sp. nov., Actinobacillus seminis sp. nov., nom. rev., Pasteurella bettii sp. nov., Pasteurella lymphangitidis sp. nov., Pasteurella mairi sp. nov., and Pasteurella trehalosi sp. nov. Int J Syst Bacteriol 1990; 40:148-153.

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Record number: 772661