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Species/Subspecies: Streptococcus devriesei
Etymology: Genus name: twisted (like a chain) cocci (coccus means a grain or a berry and referrs to any spherical microorganism)
Species epithet: in honor of the Belgian microbiologist Luc A. Devriese, who has worked with the taxonomy of the streptoccoci
Significance:Caries in horses in Sweden has become somewhat more common in recent years
  [Of minor importance]   
Type Strain: CCUG 47155
Macromorphology (smell): Small hemolysing colonies (0.5-1 mm i diameter) after incubation for 24 h at 37°C on blood agar.
Micromorphology: Single non-motile cocci, which may also occur in pair or short chains.
Gram +/Gram -:G+
Other Enzymes: Hippuricase +, urease -
Biochemical Tests: Voges-Proskaur +
Fermentation of carbohydrates:
Other carbohydrates: Amygdalin +, mellibiose +, ribose -.
Spec. Char.:
Hosts: Horse
Disease (Swedish):Karies
Disease (English):Caries
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AJ564067 CCUG 47156T? 1 439  

 Streptococcus devriesei
About 100 species have been described within the genus Streptococcus. Many species within the genus Enterococcus have earlier been classified as streptococci and, thus, they are closely related. S. devriesei is related to S. equi.
Comment:Caries in horses is considered by some scientists to be caused by (among other bacteria) S. devriesei
Reference(s): No. 129, 130

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Swedish University of Agricultural Sciences