Table 3.
Electrophoretic pattern and expression of genes of the icaADBC operon in Staphylococcus spp. clones isolated from bovine subclinical mastitis cases in different Brazilian states.
| Species | Cluster | No. of Isolates | Expression of icaADBC Genes | Origin |
|---|---|---|---|---|
| S. aureus | CSA1 | 31 | icaA (23); icaB (0); icaC (4); icaD (23) | SP; MG |
| CSA2 | 3 | icaA (1); icaB (0); icaC (0); icaD (1) | SP; RS | |
| CSA3 | 7 | icaA (5); icaB (2); icaC (5); icaD (7) | PR | |
| CSA4 | 5 | icaA (3); icaB (0); icaC (2); icaD (4) | PR; SC; SP | |
| CSA5 | 6 | icaA (5); icaB (0); icaC (1); icaD (5) | SC | |
| CSA6 | 5 | icaA (4); icaB (0); icaC (2); icaD (5) | SC | |
| CSA7 | 3 | icaA (2); icaB (0); icaC (2); icaD (2) | RS; SC; SP | |
| CSA8 | 4 | icaA (3); icaB (1); icaC (0); icaD (3) | SC | |
| S. chromogenes | CSC1 | 11 | icaA (0); icaB (1); icaC (0); icaD (2) | SC; SP |
| CSC2 | 4 | icaA (0); icaB (0); icaC (0); icaD (0) | SC; SP | |
| CSC3 | 6 | icaA (0); icaB (0); icaC (0); icaD (2) | PR; SC; SP | |
| S. epidermidis | CSE1 | 4 | icaA (0); icaB (0); icaC (0); icaD (1) | PR; SC |
| CSE2 | 3 | icaA (0); icaB (0); icaC (1); icaD (1) | MG; SC; SP | |
| CSE3 | 3 | icaA (0); icaB (0); icaC (0); icaD (0) | SC | |
| CSE4 | 3 | icaA (1); icaB (0); icaC (1); icaD (1) | PR | |
| S. saprophyticus | CSS1 | 3 | icaA (0); icaB (0); icaC (0); icaD (0) | SP |
| S. simulans | CSI1 | 3 | icaA (0); icaB (1); icaC (0); icaD (0) | RS; SC |
CSA: cluster Staphylococcus aureus; CSC: cluster Staphylococcus chromogenes; CSE: cluster Staphylococcus epidermidis; CSS: cluster Staphylococcus saprophyticus; CSS: Cluster Staphylococcus simulans. SP: São Paulo; MG: Minas Gerais; RS: Rio Grande do Sul; PR: Paraná; SC: Santa Catarina.