Name: Actinobacillus arthritidis Christensen et al. 2002

Category: Species

Proposed as: sp. nov.

Etymology: ar.thri’ti.dis. N.L. gen. fem. n. arthritidis, of arthritis, joint; from Gr. neut. n. arthron, joint; N.L. fem. n. suff. -itis, used in names of inflammations

Pronunciation (Latin), gender: … ar-T^HRI-ti-dis, masculine

Type strain: ATCC 13376; CCUG 24862; DSM 22258; P. 907; Wetmore 1706

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF247712 Analyse FASTA

Valid publication: Christensen H, Bisgaard M, Angen O, Olsen JE. Final classification of Bisgaard taxon 9 as Actinobacillus arthritidis sp. nov. and recognition of a novel genomospecies for equine strains of Actinobacillus lignieresii. Int J Syst Evol Microbiol 2002; 52:1239-1246. 🇩🇰

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 4 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:1439-1440.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 😷 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. — 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 2 times in PubMed until 2025-06-04.
  • 🙆 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 arthritidis Christensen et al. 2002 was previously known as Bisgaard taxon 9. Publication: Bisgaard M. Isolation and characterization of some previously unreported taxa from poultry with phenotypical characters related to Actinobacillus-an Pasteurella species. Acta Pathol Microbiol Immunol Scand B 1982; 90:59-67.

Parent taxon: Actinobacillus Brumpt 1910 (Approved Lists 1980)

Assigned by: Christensen H, Bisgaard M, Angen O, Olsen JE. Final classification of Bisgaard taxon 9 as Actinobacillus arthritidis sp. nov. and recognition of a novel genomospecies for equine strains of Actinobacillus lignieresii. Int J Syst Evol Microbiol 2002; 52:1239-1246. 🇩🇰

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.783275Copy to clipboardLink copied to clipboard

Record number: 783275