Table 3.
Overview for resistance genes of MDR isolates of P. aeruginosa . All isolates were predicted to encode the aminoglycoside-modifying enzyme APH(3′)-IIb
|
Isolate |
β-lactamases |
Resistance to fluoroquinolones |
Others |
Efflux pump systems |
Phenotypic resistance profile* |
|---|---|---|---|---|---|
|
P5 |
OXA-395 PDC-16 |
gyrA qnrVC1 |
fosA catB7 sul1 |
MexAB-OprM MexCD-OprJ MexEF-OprN MexHI-OpmD MexPQ-OpmE |
AK ATM CIP FEP LEV TOB |
|
P18 |
OXA-50 PDC-14 |
– |
fosA catB7 |
MexAB-OprM MexCD-OprJ MexEF-OprN MexHI-OpmD MexPQ-OpmE |
ATM CIP TOB CAZ FEP |
|
P20 |
NDM-1 OXA-395 PDC-16 |
gyrA qnrVC1 |
fosA catB7 cmlA9 sul1 tet(D) |
MexAB-OprM MexCD-OprJ MexEF-OprN MexHI-OpmD MexPQ-OpmE |
AK CAZ CIP DOR FEP LEV MEM TOB TZP |
|
P26 |
NDM-1 OXA-395 PDC-16 |
gyrA qnrVC1 |
fosA catB7 cmlA9 sul1 tet(D) |
MexAB-OprM MexCD-OprJ MexEF-OprN MexHI-OpmD MexPQ-OpmE |
AK CAZ CIP DOR FEP LEV MEM TOB TZP |
|
P28 |
OXA-903 PDC-3 |
– |
fosA catB7 |
MexAB-OprM MexCD-OprJ MexEF-OprN MexHI-OpmD MexPQ-OpmE |
ATM CAZ CIP FEP TZP |
|
P30 |
NDM-1 OXA-395 PDC-16 |
gyrA qnrVC1 |
fosA catB7 cmlA9 sul1 tet(D) |
MexAB-OprM MexCD-OprJ MexEF-OprN MexHI-OpmD MexPQ-OpmE |
AK CAZ CIP DOR FEP LEV MEM TOB TZP |
*AK, amikacin; ATM, aztreonam; CAZ, ceftazidime; CIP, ciprofloxacin; DOR, doripenem; FEB, cefepime; LEV, levofloxacin; MEM, meropenem; TOB, tobramycin; TZP, piperacillin–tazobactam.