Table 2.
Genetic characterization and molecular typing of 33 S. aureus recovered from surface waters.
| Isolate | Water Source | Antimicrobial Resistance | Virulence Factors | Molecular Typing | ||||
|---|---|---|---|---|---|---|---|---|
| Phenotype | Genotype | IEC System | Other Genes | ST (CC) | spa | agr | ||
| VS2847 | River | PEN, FOX | blaZ-SCCmecIX | - | hld | 425 | t742 | III |
| VS2848 | River | PEN, FOX | blaZ-SCCmecIX | - | hld | 425 | t742 | III |
| VS2846 | Irrigation ditch | PEN, FOX | blaZ-SCCmecIX | - | hld | 130 | t843 | III |
| VS2849 | River | PEN, FOX | blaZ-SCCmecIX | - | hld | 425 | t742 | III |
| VS2850 | Dam | PEN | blaZ | A | hla, hlb, hld | 30 (30) | t9413 | III |
| VS2851 | Lake | PEN | blaZ | A | hla, hlb, hld | 8 (8) | t008 | I |
| VS2852 | Lake | PEN | blaZ | D | hla, hlb, hld | 8 (8) | t008 | I |
| VS2853 | Dam | PEN | blaZ | D | hla, hlb, hld | 8 (8) | t008 | I |
| VS2854 | River | PEN | blaZ | - | hla, hlb, hld | 8 (8) | t008 | I |
| VS2855 | River | PEN | blaZ | D | hla, hlb, hld | 8 (8) | t008 | I |
| VS2856 | Dam | PEN | blaZ | D | hla, hlb, hld | 8 (8) | t008 | I |
| VS2857 | Fountain | PEN | blaZ | - | hla, hlb, hld | 8 (8) | t008 | I |
| VS2858 | Dam | PEN | blaZ | B | hla, hld | 617 (45) | t350 | I |
| VS2859 | River | ERY | ermT | B | hla, hld | 398 | t571 | I |
| VS2860 | Stream | PEN, ERY | blaZ, ermT, msr(A/B) | C | hla, hld | 398 | t1451 | I |
| VS2861 | Irrigation ditch | Susceptible | - | - | hla, hlb, hld | 49 (49) | t208 | II |
| VS2862 | River | Susceptible | - | - | hla, hlb, hld | 49 (49) | t208 | II |
| VS2863 | Irrigation ditch | Susceptible | - | - | hla, hlb, hld | 49 (49) | t208 | n.d. |
| VS2864 | River | Susceptible | - | - | hla, hlb, hld | 3223 | t742 | n.d. |
| VS2865 | Irrigation ditch | Susceptible | - | - | hla, hlb, hld | 6832 (1) | t098 | III |
| VS2866 | Stream | PEN | - | - | hla, hlb, hld | 352 (97) | t267 | I |
| VS2867 | Irrigation ditch | Susceptible | - | - | hla, hlb, hld | 6833 | t098 | IV |
| VS2868 | Stream | Susceptible | - | - | hla, hlb, hld | 352 (97) | t267 | I |
| VS2869 | Irrigation ditch | Susceptible | - | - | hla, hlb | 6834 | t208 | II |
| VS2870 | Irrigation ditch | Susceptible | - | - | hla, hlb, hld | 6833 | t098 | IV |
| VS2871 | Stream | PEN, TET | blaZ, tetL | - | hla, hlb, hld, tst | 425 | t742 | II |
| VS2872 | River | Susceptible | - | - | hla, hlb, hld | 6835 | t098 | IV |
| VS2873 | River | ERY | vgaA | - | hla, hlb, hld | 133 | t4735 | I |
| VS2874 | River | Susceptible | - | - | - | 6836 | t8083 | n.d. |
| VS2875 | River | Susceptible | - | - | hla, hlb | 133 | t4735 | I |
| VS2876 | Stream | Susceptible | - | - | hla, | 130 | t1532 | III |
| VS2877 | Dam | PEN | blaZ | B | hla, hld, eta | 582 (15) | t1877 | II |
| VS2878 | Lake | Susceptible | - | - | - | 243 (30) | t021 | n.d. |
Abbreviations. PEN: penicillin, FOX: cefoxitin, ERY: erythromycin, n.d. not determined, ST: sequence type (by MLST).