Table 1.
Presence of the operon crtOPQMN genes among non-pigmented S. aureus strains isolated from the milk of cows with clinical and subclinical mastitis, in different states in Brazil
| States (N) |
Non pigmented isolates N (%) |
crtO N (%) |
crtP N (%) |
crtQ N (%) |
crtM N (%) |
CrtN N (%) |
Complete Operon N (%) |
|---|---|---|---|---|---|---|---|
| SP (615) | 68 (11.1) | 62 (91.2) | 56 (82.4) | 60 (88.2) | 60 (88.2) | 66 (97.1) | 53 (77.9) |
| MG (130) | 82 (63.1) | 39 (47.6) | 61 (74.4) | 63 (76.8) | 48 (58.6) | 56 (68.3) | 33 (40.2) |
| PE (57) | 24 (42.1) | 23 (95.8) | 24 (100) | 23 (95.8) | 24 (100) | 24 (100) | 23 (95.8) |
| PR (44) | 1 (2.3) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) | 1 (100) |
| RJ (10) | 10 (100) | 1 (10) | 10 (100) | 10 (100) | 6 (60) | 9 (90) | 1 (10) |
| Total (856) | 185 (21.6) | 126 (68.1) | 152 (82.2) | 157 (84.9) | 139 (75.1) | 156 (84.3) | 111 (60) |
SP São Paulo, MG Minas Gerais, PE Pernambuco, PR Paraná, RJ Rio de Janeiro