Name: Ureaplasma canigenitalium Harasawa et al. 1993

Category: Species

Proposed as: sp. nov.

Etymology: ca.ni.ge.ni.ta’li.um. L. masc./fem. n. canis (gen. canis), dog; L. neut. pl. n. genitalia, the genitals; N.L. gen. neut. pl. n. canigenitalium, of canine genitals

Pronunciation, gender: ka-ni-ge-ni-TA-li-um, neuter

Type strain: ATCC 51252; CIP 106087; D6P-C

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D78648 Analyse FASTA

Valid publication: Harasawa R, Imada Y, Kotani H, Koshimizu K, Barile MF. Ureaplasma canigenitalium sp. nov., isolated from dogs. Int J Syst Bacteriol 1993; 43:640-644.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 4 of the IJSB. Int J Syst Bacteriol 1994; 44:184.

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 0.08377 (N = 1).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PV?". — 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 3 times 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.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.

Parent taxon: Ureaplasma Shepard et al. 1974 (Approved Lists 1980)

Assigned by: Harasawa R, Imada Y, Kotani H, Koshimizu K, Barile MF. Ureaplasma canigenitalium sp. nov., isolated from dogs. Int J Syst Bacteriol 1993; 43:640-644.

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Record number: 785132