TABLE 1.
Strain | Isolation date (mo/day/yr) | Organ | Resistance phenotype antibiotics (MIC, μg/ml)b |
---|---|---|---|
IM1 | 11/04/2012 | Gills | CTX (32), CAZ (32), FEP (32), IMP (>32), MEM (32), DOR (>32), AMK (2), GEN (16), KAN(>32), NET (1), OFX (>32), CIP (>32), SXT (8) |
IM2 | 04/14/2012 | Gut | CTX (32), CAZ (32), FEP (32), IMP (>32), MEM (32), DOR (>32), AMK (2), GEN (16), KAN(>32), NET (1), OFX (>32), CIP (>32), SXT (8) |
Both strain were ST2, harbored Tn2006, contained the β-lactamases OXA-23 and OXA-51, and carried the associated resistance genes aac(6′)-Ib and aac(3′)-I.
CTX, cefotaxime; CAZ, ceftazidime; FEP, cefepime; IMP, imipenem; MEM, meropenem; DOR, doripenem; AMK, amikacin; GEN, gentamicin; KAN, kanamycin; NET, netilmycin; OFX, ofloxacin; CIP, ciprofloxacin; SXT, co-trimoxazole.