Table 1 The virulence factors demonstrated phenotypically
Virulence factors | Species n/total (%) | |||||
|---|---|---|---|---|---|---|
S. haemolyticus | S. hominis | S. simulans | S. warneri | |||
Biofilm formation | 18/23 | 18/20 | 6/18 | 10/19 | ||
Lipids degradation | Triolein | 23/23 | 20/20 | 0/18 | 19/19 | |
Tween | 20 | 16/23 | 7/20 | 18/18 | 9/19 | |
40 | 0/23 | 0/20 | 18/18 | 6/19 | ||
60 | 0/23 | 0/20 | 18/18 | 10/19 | ||
80 | 0/23 | 4/20 | 18/18 | 14/19 | ||
85 | 0/23 | 4/20 | 18/18 | 19/19 | ||
Haemolysis (β-type) on sheep blood medium | 19/23 | 18/20 | 12/18 | 5/19 | ||
Haemolysins | ß-haemolysin (reverse CAMP test, hot-cold effect) | 0/23 | 0/20 | 0/18 | 0/19 | |
δ-haemolysin (CAMP test) | 17/23 | 19/20 | 12/18 | 5/19 | ||