Table 1.

MICs of 24 antibiotics for AXX-A and AXX-A-ΔP (axyB::Tic)

AntibioticMIC (μg/ml) for:
AXX-AAXX-A-ΔP
Ticarcillin0.25>256
Ticarcillin-clavulanic acid0.50.5
Cephalothin2412
Cefuroxime>256>256
Cefotetan>25632
Cefoxitin>256128
Ceftriaxone≥25612
Cefotaxime>25612
Ceftazidime41.5
Cefixime>25632
Cefepime1616
Aztreonam>25616
Imipenem11
Meropenem0.0940.094
Nalidixic acid246
Norfloxacin84
Ofloxacin21
Levofloxacin0.750.38
Ciprofloxacin0.750.5
Tobramycin1616
Amikacin≥256≥256
Tigecycline44
Colistin44
Chloramphenicol126