TABLE 2.
Comparison of characteristics of HKU7, Lancefield group C alpha-hemolytic S. dysgalactiae subsp. dysgalactiae, Lancefield group C beta-hemolytic S. dysgalactiae subsp. equisimilis, Lancefield group G beta-hemolytic S. dysgalactiae subsp. equisimilis, and Lancefield group L beta-hemolytic S. dysgalactiae subsp. equisimilis
| Characteristic | Resultsa for:
|
||||
|---|---|---|---|---|---|
| HKU7 | Lancefield group C alpha-hemolytic S. dysgalactiae subsp. dysgalactiae | Lancefield group C beta-hemolytic S. dysgalactiae subsp. equisimilis | Lancefield group G beta-hemolytic S. dysgalactiae subsp. equisimilis | Lancefield group L beta-hemolytic S. dysgalactiae subsp. equisimilis | |
| Hemolysis type | Alpha | Alpha | Beta | Beta | Beta |
| Lancefield group | G | C | C | G | Lb |
| Hippurate hydrolysis | − | − | − | − | + |
| Acid from glycogen | − | − | − | − | + |
| Acid from sorbitol | − | + | − | − | − |
| β-d-Galactosidase | − | − | + | + | + |
| Bacitracin resistance | + | − | + | + | − |
a
−, negative; +, positive.
b
Cross-reacts with Lancefield group A antiserum.