Name: Aerococcus urinaeequi (Garvie 1988 ex Mees 1934) Felis et al. 2005

Category: Species

Proposed as: comb. nov.

Basonym: Pediococcus urinaeequi (ex Mees 1934) Garvie 1988

Etymology: u.ri.nae.e’qui. L. fem. n. urina (gen. urinae), urine; L. masc. n. equus (gen. equi), horse; L. gen. masc. n. equi, of a horse; N.L. gen. fem. n. urinaeequi, from the urine of a horse, source of isolation of the strain

Pronunciation, gender: u-ri-na͡e-E-kwi, masculine

Type strain: ATCC 29723; CCUG 28094; CIP 103442; DSM 20341; IFO 12173; JCM 12519; LMG 13989; NBRC 12173; NCDO 1636; NCFB 1636; NCIMB 701636

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D87677 Analyse FASTA

Valid publication: Felis GE, Torriani S, Dellaglio F. Reclassification of Pediococcus urinaeequi (ex Mees 1934) Garvie 1988 as Aerococcus urinaeequi comb. nov. Int J Syst Evol Microbiol 2005; 55:1325-1327.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 3 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:1747-1749.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Pediococcus urinaeequi (ex Mees 1934) Garvie 1988	homotypic synonym, validly published under the ICNP

• 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.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.34122 (N = 8).
  • 😷 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 = 2. — 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 16 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.
  • 🧍 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: Aerococcus Williams et al. 1953 (Approved Lists 1980)

Assigned by: Felis GE, Torriani S, Dellaglio F. Reclassification of Pediococcus urinaeequi (ex Mees 1934) Garvie 1988 as Aerococcus urinaeequi comb. nov. Int J Syst Evol Microbiol 2005; 55:1325-1327.

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Record number: 772881