Name: Streptococcus dysgalactiae subsp. dysgalactiae (Garvie et al. 1983) Vandamme et al. 1996

Category: Subspecies

Proposed as: subsp. nov. (rule 40d), nom. rev.

Basonym: Streptococcus dysgalactiae (ex Diernhofer 1932) Garvie et al. 1983

Etymology: Gr. pref. dys-, bad, hard (inseparable prefix); Gr. neut. n. gala (gen. galaktos), milk; N.L. fem. n. dysgalactia, loss or impairment of milk secretion; N.L. gen. fem. n. dysgalactiae, of dysgalactia

Gender: masculine

See detailed strain information at

Valid publication: Vandamme P, Pot B, Falsen E, Kersters K, Devriese LA. Taxonomic study of lancefield streptococcal groups C, G, and L (Streptococcus dysgalactiae) and proposal of S. dysgalactiae subsp. equisimilis subsp. nov. Int J Syst Bacteriol 1996; 46:774-781.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 3 of the IJSB. Int J Syst Bacteriol 1996; 46:1191.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Emendations:
  • Vieira et al. 1998 Vieira VV, Teixeira LM, Zahner V, Momen H, Facklam RR, Steigerwalt AG, Brenner DJ, Castro AC. Genetic relationships among the different phenotypes of Streptococcus dysgalactiae strains. Int J Syst Bacteriol 1998; 48:1231-1243. Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 4 of the IJSB. Int J Syst Bacteriol 1999; 49:5-6.

• Notes:
  • This subspecies was automatically created by the valid publication of Streptococcus dysgalactiae subsp. equisimilis Vandamme et al. 1996 according to rule 40d. Publication: Vandamme P, Pot B, Falsen E, Kersters K, Devriese LA. Taxonomic study of lancefield streptococcal groups C, G, and L (Streptococcus dysgalactiae) and proposal of S. dysgalactiae subsp. equisimilis subsp. nov. Int J Syst Bacteriol 1996; 46:774-781.
  • The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • Jelínková and Köhler suggested that Streptococcus dysgalactiae subsp. dysgalactiae and Streptococcus dysgalactiae subsp. equisimilis should be regarded as separate species on clinical and epidemiological grounds. Current taxonomic evidence did not appear to support this view, although these streptococci are generally regarded as distinct species by clinical microbiologists. Publication: Kloos WE, Hardie JM, Whiley RA. International Committee on Systematic Bacteriology. Subcommittee on the taxonomy of staphylococci and streptococci. Minutes of the meetings, 17 September 1996, Institut Pasteur, Paris, France. Int. J. Syst. Evol. Microbiol. 2001; 51:717-718.
  • The original authorship, (ex Diernhofer 1932) Garvie et al. 1983, was corrected according to the new Rule 40d. Publication: Kloos WE, Hardie JM, Whiley RA. International Committee on Systematic Bacteriology. Subcommittee on the taxonomy of staphylococci and streptococci. Minutes of the meetings, 17 September 1996, Institut Pasteur, Paris, France. Int. J. Syst. Evol. Microbiol. 2001; 51:717-718.
  • The full TRBA 466 classification is: risk group = 2, note = "ht".

Parent taxon: Streptococcus dysgalactiae (ex Diernhofer 1932) Garvie et al. 1983

Assigned by: Vandamme P, Pot B, Falsen E, Kersters K, Devriese LA. Taxonomic study of lancefield streptococcal groups C, G, and L (Streptococcus dysgalactiae) and proposal of S. dysgalactiae subsp. equisimilis subsp. nov. Int J Syst Bacteriol 1996; 46:774-781.

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Record number: 781321