Table 2.
Genotypic profiles of operon crtOPQMN among non-pigmented S. aureus strains isolated from milk of cows with clinical or subclinical mastitis
| N (%) | Operon crtOPQMN | ||||
|---|---|---|---|---|---|
| crtO | crtP | crtQ | crtM | crtN | |
| 111 (60) | + | + | + | + | + |
| 18 (9.7) | – | + | + | + | + |
| 13 (7.0) | – | – | – | – | – |
| 7 (3.8) | + | – | – | – | + |
| 7 (3.8) | – | + | + | – | – |
| 6 (3.2) | – | + | + | – | + |
| 4 (2.2) | – | – | + | + | + |
| 3 (1.6) | – | – | – | – | + |
| 2 (1.1) | + | + | – | + | + |
| 2 (1.1) | – | – | + | – | – |
| 2 (1.1) | – | + | + | + | – |
| 1 (0.5) | + | + | + | – | – |
| 1 (0.5) | + | + | + | – | + |
| 1 (0.5) | + | + | + | + | – |
| 1 (0.5) | + | – | – | – | – |
| 1 (0.5) | + | – | + | – | + |
| 1 (0.5) | + | – | + | – | – |
| 1 (0.5) | – | – | + | – | + |
| 1 (0.5) | – | + | + | – | + |
| 1 (0.5) | – | + | – | + | + |
| 1 (0.5) | – | + | – | – | – |
| 185 (100) | 126 (68.1) | 152 (82.2) | 157 (84.9) | 139 (75.1) | 156 (84.3) |