Name: Yersinia aldovae Bercovier et al. 1984

Category: Species

Proposed as: sp. nov.

Etymology: al.do’vae. N.L. gen. fem. n. aldovae, of Aldova, named in honor of Eva Aldova, the Czechoslovakian microbiologist who first isolated the bacterium

Gender: feminine

Type strain: Al 19955; ATCC 35236; CCUG 18770; CDC 669-83; CIP 103162; CNY 6005; DSM 18303; IP 6005; JCM 5892

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KJ606903 Analyse FASTA

Valid publication: Bercovier H, Steigerwalt AG, Guiyoule A, Huntley-Carter G, Brenner DJ. Yersinia aldovae (formerly Yersinia enterocolitica-like group X2): a new species of Enterobacteriaceae isolated from aquatic ecosystems. Int. J. Syst. Bacteriol. 1984; 34:166-172.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.06670 (N = 4).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — 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 13 times in PubMed until 2025-06-04.
  • 🪓 Organisms assigned to this species have previously been classified as Yersinia enterocolitica (Schleifstein and Coleman 1939) Frederiksen 1964 (Approved Lists 1980). Publication: Frederiksen W. A study of some Yersinia pseudotuberculosis-like bacteria (Bacterium enterocoliticum and Pasteurella X). Proceedings of the XIV Scandinavian Congress of Pathology and Microbiology, Oslo 1964. Norwegian Universities Press, Oslo, 1964. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🫡 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 enterocolitica (Schleifstein and Coleman 1939) Frederiksen 1964 (Approved Lists 1980). Publication: Frederiksen W. A study of some Yersinia pseudotuberculosis-like bacteria (Bacterium enterocoliticum and Pasteurella X). Proceedings of the XIV Scandinavian Congress of Pathology and Microbiology, Oslo 1964. Norwegian Universities Press, Oslo, 1964. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

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

Assigned by: Bercovier H, Steigerwalt AG, Guiyoule A, Huntley-Carter G, Brenner DJ. Yersinia aldovae (formerly Yersinia enterocolitica-like group X2): a new species of Enterobacteriaceae isolated from aquatic ecosystems. Int. J. Syst. Bacteriol. 1984; 34:166-172.

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Record number: 783197