Name: Campylobacter hyointestinalis subsp. lawsonii On et al. 1995

Category: Subspecies

Proposed as: subsp. nov.

Etymology: law.son’i.i. N.L. gen. masc. n. lawsonii, of Lawson, in honor of Gordon H.K. Lawson, a bacteriologist at Edinburgh University whose studies on enteric disease in pigs led to the delineation of Campylobacter mucosalis and the bacterium Lawsonia intracellularis

Gender: masculine

Type strain: CCUG 34538; CIP 104686; LMG 14432; NCTC 12901

See detailed strain information at

Valid publication: On SL, Bloch B, Holmes B, Hoste B, Vandamme P. Campylobacter hyointestinalis subsp. lawsonii subsp. nov., isolated from the porcine stomach, and an emended description of Campylobacter hyointestinalis. Int J Syst Bacteriol 1995; 45:767-774.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 45, part 4 of the IJSB. Int J Syst Bacteriol 1996; 46:364-365.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 😩 Deposit incorrectly indicated in some sources as representing the type strain of this taxon: CHY 5.
  • 😷 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 = 2, 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 = 1.

Parent taxon: Campylobacter hyointestinalis Gebhart et al. 1985

Assigned by: On SL, Bloch B, Holmes B, Hoste B, Vandamme P. Campylobacter hyointestinalis subsp. lawsonii subsp. nov., isolated from the porcine stomach, and an emended description of Campylobacter hyointestinalis. Int J Syst Bacteriol 1995; 45:767-774.

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Record number: 783592