TABLE 2.
Antibiotic susceptibility and associated genetic profile of recovered S. aureus isolates (n = 19) from wild Norway rats in Boston, MA a
| Rodent ID and location | Isolate ID | Sex, weight (g) | Source | spa | MLST | Antibiotic resistance identified |
|---|---|---|---|---|---|---|
| R7, DT | R7F1 | M, 150 | Fecal | t10751 | nd | PEN |
| R28, BB | R28N4 | F, 225 | Nasal | t933 | 1094 | PEN |
| R44, BB | R44NC4 | F, 200 | Nasal | t933 | 1094 | PEN |
| R44F6‐C1 | Nasal | t933 | 1094 | PEN | ||
| R44F6‐C2 | Nasal | t933 | nd | PEN | ||
| R44P12 | Foot pad | t933 | 1094 | PEN | ||
| R44P4‐C1 | Foot pad | t933 | 1094 | PEN | ||
| R44P4‐C2 | Foot pad | t933 | 1094 | PEN | ||
| R46, BB | R46FC1‐1 | M, 100 | Hair | t933 | nd | PEN |
| R267C1‐2 | Hair | t933 | nd | PEN | ||
| R47, BB | R47NC1‐1 | M, 300 | Nasal | t933 | 1094 | PEN |
| R47NC1‐2 | Nasal | t933 | nd | PEN | ||
| R47NC3‐1 | Nasal | t933 | nd | PEN | ||
| R47NC3‐2 | Nasal | t933 | nd | PEN | ||
| R47P12 | Foot pad | t933 | nd | PEN | ||
| R50, BB | R50HC3‐1 | F, 100 | Hair | t933 | nd | PEN |
| R51, BB | R51HC2‐2 | F, 400 | Hair | t18202 (new) | nd | PEN, ERY |
| R51HC2‐3‐1 | Hair | t18202 (new) | nd | PEN, ERY | ||
| R52, BB | R52NC3 | M, 325 | Nasal | t189 | nd | PEN |
Abbreviations: PEN: penicillin; ERY: erythromycin; BB: Back Bay, DT: Downtown (BB and DT are sampling locations in Boston, MA). “nd” indicates missing data. spa type t18202 first identified in this study. Positive control used was mecA and pvl positive, spa type t9683, and resistant to PEN, OXA, ERY, CIP and LVX.
a
All recovered isolates were mecA and pvl negative.