TABLE 3.
Result of isolates positive by DDST and conjugation test
| Organism | Source | β-Lactamase pIs | pI of enzyme transferred | Resistance marker(s) transferreda |
|---|---|---|---|---|
| E. aerogenes | Wound | >8.2, 7.6, 5.6 | 7.6 | Caz, Gen, Sxt, Amp |
| E. aerogenesb | Wound | >8.2, 7.6, 7.0 | 7.6 | Caz, Gen, Sxt, Amp |
| E. aerogenesb | Wound | >8.2, 7.6, 7.0 | 7.6 | Caz, Gen, Sxt, Amp |
| E. aerogenes | Wound | >8.2, 7.6 | None | None |
| E. aerogenes | Blood | >8.2, 7.6 | None | None |
| E. aerogenes | Blood | >8.2, 7.6 | None | None |
| E. cloacae | Blood | >8.2, 7.6, 7.0 | 7 | Caz, Amp, Tet, Cm |
| E. cloacae | Wound | >8.2, 7.6 | None | None |
a
Caz, ceftazidime: Gen, gentamicin; Amp, ampicillin; Tet, tetracycline; Cm, chloramphenicol; Sxt, trimethoprime-sulfamethoxazole.
b
The two identical strains isolated from the intensive care unit and surgical ward.