Name: Campylobacter pylori corrig. Marshall et al. 1985

Category: Species

Proposed as: sp. nov.

Etymology: N.L. masc. n. pylorus, the lower orifice of the stomach, the pylorus; from Gr. masc./fem. n. pylôros, gate keeper; N.L. gen. masc. n. pylori, of the pylorus

Gender: masculine

Type strain: ATCC 43504; CCUG 15815; CCUG 15815 A; CCUG 15815 B; CCUG 17874; CCUG 39500; CIP 103995; JCM 12093; LMG 18041; LMG 19449; NCTC 11637; Strain Royal Perth Hospital 13487

Conduct genome-based taxonomy at

16S rRNA gene: Z25741 Analyse FASTA

Effective publication: Marshall BJ, Royce H, Annear DI, Goodwin CS, Pearman JW, Warren JR, Armstrong JA. Original isolation of Campylobacter pyloridis from human gastric mucosa. Microbios. Lett. 1984; 25:83-88.

IJSEM list: Anonymous. Validation list no. 17. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1985; 35:223-225.

Nomenclatural status: validly published under the ICNP

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

Correct name: Helicobacter pylori (Marshall et al. 1985) Goodwin et al. 1989

Risk group: 2

• Synonyms:

  • Name	Kind
    Helicobacter pylori (Marshall et al. 1985) Goodwin et al. 1989	homotypic synonym, validly published under the ICNP
    Helicobacter nemestrinae Bronsdon et al. 1991	heterotypic synonym, validly published under the ICNP
    Campylobacter pyloridis Marshall et al. 1985	other spelling of name, inaccurate spelling

• Emendations:
  • Fox et al. 1988 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.
  • Fox et al. 1989 Fox JG, Chilvers T, Goodwin CS, Taylor NS, Edmonds P, Sly LI, Brenner DJ. Campylobacter mustelae, a new species resulting from the elevation of Campylobacter pylori subsp. mustelae to species status. Int. J. Syst. Bacteriol. 1989; 39:301-303.

• Notes:
  • ⏰ According to Sürbaum et al. (2002), this species is an earlier heterotypic synonym of Helicobacter nemestrinae Bronsdon et al. 1991. Publication: Suerbaum S, Kraft C, Dewhirst FE, Fox JG. Helicobacter nemestrinae ATCC 49396T is a strain of Helicobacter pylori (Marshall et al. 1985) Goodwin et al. 1989, and Helicobacter nemestrinae Bronsdon et al. 1991 is therefore a junior heterotypic synonym of Helicobacter pylori. Int J Syst Evol Microbiol 2002; 52:437-439.
  • ❗ Campylobacter pylori is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Campylobacter.
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "mustelae: 1 animal pathogen - biological class of risk animal: 2; default: 2 human and 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 = "mustelae: 2 Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2; default: 2 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. — 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 919 times in PubMed until 2025-06-04.
  • 🙅 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 species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 The original spelling, Campylobacter pyloridis (sic), has been corrected by Marshall and Goodwin 1987. Publication: Marshall BJ, Goodwin CS. Revised nomenclature of Campylobacter pyloridis. Int. J. Syst. Bacteriol. 1987; 37:68.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Campylobacter pylori subsp. mustelae Fox et al. 1988	validly published under the ICNP	synonym
    Campylobacter pylori subsp. pylori (Marshall et al. 1985) Fox et al. 1988	validly published under the ICNP	orphaned subspecies

Parent taxon: Campylobacter Sebald and Véron 1963 (Approved Lists 1980)

Assigned by: Marshall BJ, Royce H, Annear DI, Goodwin CS, Pearman JW, Warren JR, Armstrong JA. Original isolation of Campylobacter pyloridis from human gastric mucosa. Microbios. Lett. 1984; 25:83-88.

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Record number: 774385