β-hemolytic streptococci
From IDWiki
Β-hemolytic streptococci
- Grouping of Gram-positive cocci
- Subgroups mostly defined by Lancefield grouping
- Group A: Streptococcus pyogenes
- Group B: Streptococcus agalactiae
- Group F:
- Group G: Streptococcus dysgalactiae
- Non-Lancefield: Streptococcus iniae
| Lancefield | Bac | PYR | Cam | VP | Hip | Arg | Esc | Str | Sbl | Tre | Rib | Species |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | + | + | – | – | – | + | v | – | – | – | Streptococcus pyogenes | |
| B | – | – | + | – | + | + | – | – | – | Streptococcus agalactiae | ||
| C | – | – | – | – | – | + | v | – | v | + | + | Streptococcus dysgalactiae subsp. dysgalactiae |
| A,C,G,L | – | – | – | – | – | + | + | – | – | + | + | Streptococcus dysgalactiae subsp. equisimilis |
| C | – | – | – | – | – | + | v | + | – | – | Streptococcus equi subsp. equi | |
| C | – | – | – | – | – | + | v | + | + | Streptococcus equi subsp. zooepidemicus | ||
