TABLE 1

MICs for K. pneumoniae KP-6884, E. coli J53 (pMCR1.2-IT), and E. coli J53

AntibioticMIC (μg/ml) (category)
KP-6884aJ53 (pMCR1.2-IT)J53
Amoxicillin-clavulanic acid>8/2 (R)8/28/2
Cefotaxime>4 (R)0.120.12
Ceftazidime>128 (R)0.50.5
Cefepime>32 (R)≤1≤1
Ertapenem>1 (R)≤1≤1
Imipenem>16 (R)≤1≤1
Meropenem64 (R)≤0.12≤0.12
Piperacillin-tazobactam>128/4 (R)≤2/4≤2/4
Ciprofloxacin>2 (R)≤0.06≤0.06
Amikacin8 (S)≤4≤4
Gentamicin>4 (R)≤1≤1
Trimethoprim-sulfamethoxazole>4/76 (R)≤0.5/9.5≤0.5/9.5
Tigecycline0.5 (S)0.50.25
Colistin8 (R)8≤0.5
  • a R, resistant; S, susceptible.