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