Name: Streptococcus equi subsp. ruminatorum Fernández et al. 2004

Category: Subspecies

Proposed as: subsp. nov.

Etymology: ru.min.a.to’rum. L. gen. masc. n. ruminatoris, ruminant; L. gen. masc. pl. n. ruminatorum, of ruminants

Gender: masculine

Type strain: CCUG 47520; CECT 5772; DSM 17037; Mt 167

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF406035 Analyse FASTA

Valid publication: Fernandez E, Blume V, Garrido P, Collins MD, Mateos A, Dominguez L, Fernandez-Garayzabal JF. Streptococcus equi subsp. ruminatorum subsp. nov., isolated from mastitis in small ruminants. Int J Syst Evol Microbiol 2004; 54:2291-2296.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 6 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:551-554.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.09705 (N = 3).
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht". — 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 In the protologue, the type strain CCUG 47520 is erroneously cited as CGUG (sic) 47520. Publication: . Erratum. Int. J. Syst. Evol. Microbiol. 2005; 55:545.

Parent taxon: Streptococcus equi Sand and Jensen 1888 (Approved Lists 1980)

Assigned by: Fernandez E, Blume V, Garrido P, Collins MD, Mateos A, Dominguez L, Fernandez-Garayzabal JF. Streptococcus equi subsp. ruminatorum subsp. nov., isolated from mastitis in small ruminants. Int J Syst Evol Microbiol 2004; 54:2291-2296.

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Record number: 781326