| Species/Subspecies: | Streptococcus dysgalactiae subsp. equisimilis | ||||||||||||
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| Category: | Causes hemolysis | ||||||||||||
| Etymology: | Genus name: twisted (like a chain) cocci (coccus means a grain or a berry and referrs to any spherical microorganism) Species epithet: from loss of lactation Subspecies epithet: resembling Streptococcus equi. | ||||||||||||
| Significance: | [Very important] | ||||||||||||
| Alternative Species Name(s): | S. equisimilis | ||||||||||||
| Taxonomy: | Class Bacilli Order Lactobacillales Family Streptococcaceae Genus Streptococcus |
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| Type Strain: | CCUG 36637 och 36913 | ||||||||||||
| Macromorphology (smell):
| Small (about 1 mm in diameter) transluscent colonies after incubation for 24 h at 37°C on blood agar. Give (clear) beta-hemolysis on bovine blood agar. | ||||||||||||
| Micromorphology: | Nonmotile cocci in chains | ||||||||||||
| Gram +/Gram -: | G+ | ||||||||||||
| Metabolism: | Facultatively anaerobic | ||||||||||||
| Catalase/Oxidase: | -/- | ||||||||||||
| Other Enzymes: | Esculinase v, hippurikcase v | ||||||||||||
| Biochemical Tests: | Voges-Proskauer - | ||||||||||||
| Fermentation of carbohydrates: | D-glucose + lactose v maltose + L-rhamnose ? sucrose + L-arabinose - cellobiose ? D-mannitol - salicin ? trehalose + glycerol v inulin - raffinose - D-sorbitol - starch + |
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| Disease: |
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| Genome Sequence: |
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| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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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. dysgalactiae is closely related to S. agalactiae. | ||||||||||||
| Comment: | Belongs to Lancefield's group A, C, G or L streptcocci. | ||||||||||||
| Updated: | 2023-08-11 |