The β-Lactamase Gene Profile and a Plasmid-Carrying Multiple Heavy Metal Resistance Genes of Enterobacter cloacae
Table 3
The MIC values of antibacterial drugs for the strains (μg/mL).
Strains
AMP
KAN
CAZ
CTX
CPZ
CMN
CEF
CFZ
FOX
CRO
ATM
PRL
PTZ
IMC
ATCC25922
4
2
0.25
0.0625
0.125
1
0.125
2
4
0.0313
0.125
2
4
0.25
BL21
0.5
4
0.0625
0.0156
0.0156
1
0.0313
2
2
0.0156
0.0156
0.5
0.5
0.5
pET-28a/BL21
0.5
32
0.0625
0.0156
0.0156
1
0.0313
2
2
0.0156
0.0156
0.5
0.5
0.5
CG34
256
0.5
0.125
0.125
0.0625
1024
0.0625
512
1024
0.0313
0.25
2
2
4
Y490
256
2
0.5
0.25
1
>1024
0.125
512
1024
0.5
0.0313
2
4
2
CG76
>1024
8
128
128
64
1024
16
>1024
1024
512
32
512
32
8
Y546
512
2
2
1
2
>1024
0.25
1024
1024
2
1
8
8
4
CG85
>1024
4
1
1
1
>1204
0.25
1024
>1024
1
0.25
4
4
4
Y482
64
2
0.25
0.125
0.25
1024
256
512
0.0625
0
0.125
2
2
0.5
pET-28a-blaMIR (CG34)/BL21
128
64
4
4
1
32
0.125
256
32
4
1
8
8
1
pET-28a-blaMIR (Y490)/BL21
128
64
4
4
0.5
32
0.0625
256
32
4
1
8
4
1
pET-28a-blaMIR (CG76)/BL21
128
64
4
4
1
32
0.0313
256
32
4
1
8
4
1
pET-28a-blaMIR (Y546)/BL21
128
64
4
4
1
32
0.0625
256
32
4
1
8
8
1
pET-28a-blaMIR (CG85)/BL21
128
64
4
4
1
32
0.125
256
32
4
1
8
8
1
pET-28a-blaMIR (Y482)/BL21
128
64
4
4
1
32
0.125
256
32
4
1
8
8
1
pET-28a-blaCTX-M-9a/BL21
8
64
0.25
4
1
4
0.03
64
4
0.03
0.03
2
1
1
pET-28a-blaSHV-12/BL21
8
64
2
4
1
4
0.25
64
4
0.03
0.03
32
2
2
IPTG was added to a final concentration of 1 mmol/L to standard Mueller-Hinton (M-H) agar plates. All MIC determinations were performed by agar dilution assays. FOX: cefoxitin; CAZ: ceftazidime; CTX: cefotaxime; AMP: ampicillin; KAN: kanamycin; CPZ: cefoperazone; CMN: cefminox; CEF: cefoselis; CFZ: cefazolin; CRO: ceftriaxone; ATM: aztreonam; PRL: piperacillin; PTZ: piperacillin/tazobactam; IMC: imipenem/cilastatin sodium hydrate.
