Table 2. Presence of toxin genes in the 24 Staphylococcus isolates of this study.
| Virulence factor | Related genesa | S. aureus (n = 4) | S. agnetis (n = 4) | S. chromogenes (n = 8) | S. simulans (n = 8) |
|---|---|---|---|---|---|
| Hemolysins | |||||
| Alpha-hemolysin | hly | 100% (4) | 0 | 0 | 0 |
| Phospholipase C (Beta-hemolysin, beta-toxin, sphingomyelinase) | hlb | 100% (4) | 100% (4) | 100% (8) | 12.5% (1) |
| Delta-hemolysin (Delta-lysin/ ta-toxin) | hld | 100% (4) | 0 | 0 | 0 |
| Hemolysin III | N/A | 100% (4) | 100% (4) | 100% (8) | 100% (8) |
| Bicomponent leukotoxins | |||||
| Gamma-hemolysin components A, B, and C | hlgA | 100% (4) | 0 | 0 | 0 |
| hlgC | 100% (4) | 0 | 0 | 0 | |
| hlgB | 100% (4) | 0 | 0 | 0 | |
| Panton-Valentine leukocidin (PVL) | lukS-PV | 100% (4) | 0 | 0 | 0 |
| lukF-PV | 100% (4) | 0 | 0 | 0 | |
| Leukocidin LukED | lukDb | 100% (4) | 0 | 0 | 12.5% (1) |
| lukE | 100% (4) | 0 | 0 | 0 | |
| Exfoliative toxins(epidermolytic toxins) | |||||
| Exfoliative toxin A | etab | 0 | 75% (3) | 0 | 0 |
Notes.
a
N/A, not assigned/not available.
b
Discrepancies observed in combined automatic annotation and pan-genome data; corrected using BLAST analysis.