Fig. 2From: The occurrence of the multidrug resistance (MDR) and the prevalence of virulence genes and QACs resistance genes in E. coli isolated from environmental and avian sourcesElectrophoretic pattern of PCR products of E. coli qacEΔ1, QacA/B, and QacC/D genes: a (L): the DNA molecular size ladder (Gelpilot 100 bp ladder); (Neg.): negative control; (Pos.): positive control; (lanes 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10): positive amplification of 362 bp of qacEΔ1 gene of different E. coli strains. b (L): the DNA molecular size ladder (Gelpilot 100 bp ladder); (Neg.): negative control; (Pos.): positive control; (lanes 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10): positive amplification of 361 bp of qacA/B gene of different E. coli strains. c (L): the DNA molecular size ladder (Gelpilot 100 bp ladder); (Neg.): negative control; (Pos.): positive control; (lanes 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10): positive amplification of 195 bp of qacC/D gene of different E. coli strainsBack to article page