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Table 1 MIC values of antimicrobials for E.coli isolates carrying blaNDM-1 and their transformants

From: First identification of coexistence of blaNDM-1 and blaCMY-42among Escherichia coli ST167 clinical isolates

Antimicrobials

MIC values (μg/ml)

 

E. coliWZ33

aE.coliDH5α (WZ33)

E.coliWZ51

aE. coliDH5α (WZ51)

E. coliDH5α

ampicillin

>256

>256

>256

>256

1.5

piperacillin/tazobatam

>256

16

>256

256

0.75

piperacillin

>256

16

256

>256

0.038

ceftazidime

>256

>256

>256

>256

0.094

cefotaxime

>256

64

>256

192

0.047

cefepime

>256

16

>256

4

0.047

aztreonam

32

0. 023

>256

12

0.023

cefoxitin

>256

>256

>256

>256

0.75

imipenem

8

6

24

12

0.094

meropenem

>32

6

>32

3

0.016

ertapenem

>32

24

>32

4

0.008

amikacin

1.5

0.75

2

0.50

0.50

gentamicin

24

0.38

16

0.125

0.125

levofloxacin

24

0.047

≥32

0.016

0.023

trimethoprim/sulfamethoxazole

0.75

0.008

>32

0.008

0.008

polymyxin B

1.5

0.38

1.5

0.38

0.38

tigecycline

0.19

0.5

1

0.19

0.19

Fosfomycin

0.5

0.25

2

0.94

0.94

  1. a, transformant.