Name: Aerococcus urinae Aguirre and Collins 1992

Category: Species

Proposed as: sp. nov.

Etymology: u.ri’nae. L. gen. fem. n. urinae, of urine

Pronunciation, gender: … u-RI-na͡e, masculine

Type strain: ATCC 51268; CCUG 29291; CCUG 29564; CCUG 34223; CCUG 36881; CIP 104688; DSM 7446; IFO 15544; NBRC 15544; NCFB 2893; NCIMB 702893; NCTC 12142

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M77819 Analyse FASTA

Effective publication: Aguirre M, Collins MD. Phylogenetic analysis of some Aerococcus-like organisms from urinary tract infections: description of Aerococcus urinae sp. nov. J Gen Microbiol 1992; 138:401-405. 🇬🇧

IJSEM list: Anonymous. Validation list no. 42. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1992; 42:511.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Emendations:
  • Tohno et al. 2014 Tohno M, Kitahara M, Matsuyama S, Kimura K, Ohkuma M, Tajima K. Aerococcus vaginalis sp. nov., isolated from the vaginal mucosa of a beef cow, and emended descriptions of Aerococcus suis, Aerococcus viridans, Aerococcus urinaeequi, Aerococcus urinaehominis, Aerococcus urinae, Aerococcus christensenii and Aerococcus sanguinicola. Int J Syst Evol Microbiol 2014; 64:1229-1236. 🇯🇵 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 4 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:2188-2190.
    Notes:
    • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details.
  • Choi et al. 2023 Choi BI, Ene A, Du J, Johnson G, Putonti C, Schouw CH, Dargis R, Senneby E, Christensen JJ, Wolfe AJ. Taxonomic considerations on Aerococcus urinae with proposal of subdivision into Aerococcus urinae, Aerococcus tenax sp. nov., Aerococcus mictus sp. nov., and Aerococcus loyolae sp. nov. Int J Syst Evol Microbiol 2023; 73:6066. 🇺🇸 Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 73, part 9 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:6158.

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - 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. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 178 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 species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Aerococcus Williams et al. 1953 (Approved Lists 1980)

Assigned by: Aguirre M, Collins MD. Phylogenetic analysis of some Aerococcus-like organisms from urinary tract infections: description of Aerococcus urinae sp. nov. J Gen Microbiol 1992; 138:401-405. 🇬🇧

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Record number: 772880