Fig. 1

Agarose gel electrophoresis of multiplex PCR for ESBLs genes detection including blaOXA1, blaTEM, blaSHV. M: 100 bp DNA marker (Thermo-scientific), -ve: blank controls, 1: blaOXA1 (619 bp), 2: multiple genes including blaOXA1 (619 bp), blaTEM (516 bp), and blaSHV (392 bp), 3: blaTEM (516 bp), 4: multiple genes including blaTEM (516 bp), and blaSHV (392 bp)