TABLE 2.

MICs for the clinical strains included in this study

Isolate no.pIMIC (μg/ml) ofa:
AMXAMCFOXATCTXCTX-CLCAZCAZ-CLIMPMRPCEP
15.4, 8.0>256484240.0941.50.250.250.0162
28.0>256422240.0471.00.0940.250.0162
38.0>256643160.0641.00.250.250.0162
3 (Tc)b8.0>256443320.0471.00.1250.1250.0324
45.4, 8.0>256420.75160.0230.5<0.0640.0940.0121.5
55.4, 8.0>2564122480.0941.00.1250.1250.0234
65.4, 8.0>256442240.0470.750.1250.190.0162
78.0>256422240.0321.00.0640.190.0121.5
88.0>256442160.0641.00.1250.1250.0164
95.4, 8.0>2568248>128>1.06.04.00.250.0234
105.4, 8.0>2566122640.0941.00.1250.1250.0164
115.4, 8.0>256432320.0471.00.0640.250.0164
128.0>256442640.0471.00.0940.190.0164
138.0>256444>1280.0471.00.0940.1250.0122
148.0>256442480.0641.50.190.1250.0124
158.0>256431.5>1280.0471.00.1250.190.0164
165.4, 8.0>256442160.0641.00.190.190.0232
178.0>256442240.0641.00.1250.1250.0122
185.4, 8.5>25642824>1>32>40.250.0320.38
195.4>2561616240.50.19>320.750.250.0322
205.4>256210.5<0.016<0.016120.0640.190.0230.032
215.4>25641260.5<0.016>320.190.1250.0230.75
229.0>256424>2560.04760.0940.1250.0168
239.0>25612>256>256>256>1.0>32>40.1250.064>128
249.0>25612>256>256>256>1.0>32>40.1250.047128
255.9>25642120.09420.190.50.0320.094
265.4, 5.9>2564860.190.047>320.1250.1250.0160.5
277.6>256840.1250.0640.03240.190.190.0320.5
28c7.4>25641624<0.016>320.190.190.0323
29c7.9>25641260.50.064>320.190.1250.0230.75
30c7.4>25662110.0471.50.1250.190.0320.094
E. coli TG13320.0470.0230.0230.0640.0640.1250.0320.094
E. coli TG1 (pC)d8.0>2566248>2560.06440.1250.190.02364
  • a AMX, amoxicillin; AMC, amoxicillin-clavulanic acid; FOX, cefoxitin; AT, aztreonam; CTX, cefotaxime; CTX-CL, cefotaxime-clavulanic acid; CAZ, ceftazidime; CAZ-CL, ceftazidime-clavulanic acid; IMP, imipenem; MRP, meropenem; CEP, cefepime.

  • b This isolate corresponds to the transconjugant of clinical strain 3.

  • c This isolate corresponds to K. pneumoniae.

  • d E. coli transformed with plasmid pC, which carries the CTX-M-14 gene.