Name: Yersinia rochesterensis (Cunningham et al. 2019) Nguyen et al. 2021

Category: Species

Proposed as: comb. nov.

Basonym: Yersinia kristensenii subsp. rochesterensis Cunningham et al. 2019

Etymology: ro.ches.te.ren’sis. N.L. fem. adj. rochesterensis, referring to Rochester, Minnesota, United States, where the type strain was isolated

Pronunciation (Latin), gender: … ro-k^hes-te-REN-sis, feminine

Type strain: ATCC BAA-2637; DSM 28595; EPLC-04

Conduct genome-based taxonomy at

16S rRNA gene: KJ606916 Analyse FASTA

Valid publication: Nguyen SV, Cunningham SA, Jeraldo P, Tran A, Patel R. Yersinia occitanica is a later heterotypic synonym of Yersinia kristensenii subsp. rochesterensis and elevation of Yersinia kristensenii subsp. rochesterensis to species status. Int J Syst Evol Microbiol 2021; 71:4626. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 2 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4766.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Yersinia kristensenii subsp. rochesterensis Cunningham et al. 2019	homotypic synonym, validly published under the ICNP, distinct rank
    Yersinia occitanica Le Guern et al. 2020	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Nguyen et al. (2021), this species is an earlier heterotypic synonym of Yersinia occitanica Le Guern et al. 2020. Publication: Nguyen SV, Cunningham SA, Jeraldo P, Tran A, Patel R. Yersinia occitanica is a later heterotypic synonym of Yersinia kristensenii subsp. rochesterensis and elevation of Yersinia kristensenii subsp. rochesterensis to species status. Int J Syst Evol Microbiol 2021; 71:4626. 🇺🇸
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 2 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4766.
  • 🎓 Name mentioned 1 time 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 genus. This name is not taxonomically suspended any more in favour of Yersinia kristensenii Bercovier et al. 1981. Publication: Bercovier H, Ursing J, Brenner DJ, Steigerwalt AG, Fanning GR, Carter GP, Mollaret HH. Yersinia kristensenii: a new species of Enterobacteriaceae composed of sucrose-negative strains (formerly called atypical Yersinia enterocolitica or Yersinia enterocolitica-like). Curr. Microbiol. 1980; 4:219-224. Anonymous. Validation list no. 6. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1981; 31:215-218.

Parent taxon: Yersinia van Loghem 1944 (Approved Lists 1980)

Assigned by: Nguyen SV, Cunningham SA, Jeraldo P, Tran A, Patel R. Yersinia occitanica is a later heterotypic synonym of Yersinia kristensenii subsp. rochesterensis and elevation of Yersinia kristensenii subsp. rochesterensis to species status. Int J Syst Evol Microbiol 2021; 71:4626. 🇺🇸

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Record number: 17336