Skip to main content
. 2019 Dec 5;71(4):1095–1098. doi: 10.1093/cid/ciz1155

Table 1.

Minimal Inhibitory Concentrations of Select Antibiotics Comparing Strain Eh1, Escherichia coli J53, and Escherichia coli J53 Transconjugants Carrying 1 or 2 Plasmids

Antibiotic Eh1 E. coli J53 E. coli J53: pKPC4_EM861_1 and pNDM1_EM861_2 E. coli J53: pNDM1_EM861_2
MIC, μg/ml MIC, μg/ml MIC, μg/ml MIC, μg/ml
Ceftazidime >128 <.5 >128 >128
Imipenem >8 <.5 32 16
Meropenem >32 <.5 >32 8
Ceftazidime-avibactam >256/4 <.5/4 >256/4 >256/4
Ceftazidime-avibactam + aztreonam 2/4 + 2 <.5/4 + .5 2/4 + 2 1/4 + 1
Ceftazidime + aztreonam >128 + 128 <.5 + .5 >128 + 128 .5 + .5
Ciprofloxacin >2
Amikacin >32
Gentamicin >8
Tobramycin >8
Plazomicin >256
Colistin .125
Cefepime >16
Piperacillin-tazobactam >64/4
Aztreonam >16
Ertapenem >4
Meropenem-vaborbactam >256/8

Abbreviations: E. coli, Escherichia coli; MIC, minimal inhibitory concentration.