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Table 6 Selected beta-lactamase genes in cefotaxime resistant E. coli from wastewater treatment plants

From: Antibiogram and beta-lactamase genes among cefotaxime resistant E. coli from wastewater treatment plant

Group Beta-lactamase genes %
ESBLs genes (A)
n = 38
blaCTX-M 52.6
blaTEM 84.2
blaSHV 0
blaCTX-M + blaTEM 36.8
Carbapenem genes (B)
n = 38
blaKPC-2 15.8
blaOXA-1 57.9
blaVIM 0
blaNDM-1 15.8
blaKPC-2 + blaOXA-1 15.8
blaNDM-1 + blaOXA-1 10.5
A + B
n = 38
blaCTX-M + blaKPC 10.5
blaCTX-M + blaOXA-1 36.8
blaCTX-M + blaNDM-1 10.5
blaTEM + blaKPC-2 15.8
blaTEM + blaOXA-1 52.6
blaTEM + blaNDM-1 15.8