Name: Campylobacter pylori subsp. mustelae Fox et al. 1988

Category: Subspecies

Proposed as: subsp. nov.

Etymology: mus.te’lae. L. fem. n. mustela, a weasel, and also a generic name (Mustela); L. gen. fem. n. mustelae, intended to mean of a ferret (Mustela putorius furo)

Pronunciation (Latin), gender: kam-py-lo-BAK-ter py-LO-ri mus-TE-la͡e, masculine

Type strain: ATCC 43772; CCUG 25715; CIP 103759; NCTC 12198; R85-13-6

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M35048 Analyse FASTA

Valid publication: Fox JG, Taylor NS, Edmonds P, Brenner DJ. Campylobacter pylori subsp. mustelae subsp. nov. isolated from the gastric mucosa of ferrets (Mustela putorius furo), and an emended description of Campylobacter pylori. Int. J. Syst. Bacteriol. 1988; 38:367-370. 🇺🇸

Nomenclatural status: validly published under the ICNP

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

Correct name: Helicobacter mustelae (Fox et al. 1988) Goodwin et al. 1989

Risk group: 2

• Synonyms:

  • Name	Kind
    Helicobacter mustelae (Fox et al. 1988) Goodwin et al. 1989	homotypic synonym, validly published under the ICNP, distinct rank
    Campylobacter mustelae (Fox et al. 1988) Fox et al. 1989	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Campylobacter pylori subsp. mustelae is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Campylobacter pylori within a separate genus Campylobacter.
  • 😷 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 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 2026-08-13. 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.
  • 🙅 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 subspecies. The name is on LoRN because of the recorded risk group of the species itself.

Parent taxon: Campylobacter pylori corrig. Marshall et al. 1985

Assigned by: Fox JG, Taylor NS, Edmonds P, Brenner DJ. Campylobacter pylori subsp. mustelae subsp. nov. isolated from the gastric mucosa of ferrets (Mustela putorius furo), and an emended description of Campylobacter pylori. Int. J. Syst. Bacteriol. 1988; 38:367-370. 🇺🇸

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Record number: 783599