Fig. 1From: Prevalence of class 1 and 2 integrons in multi-drug resistant Escherichia coli isolated from aquaculture water in Chaharmahal Va Bakhtiari province, IranAgarose gel electrophoresis of class 1 and 2 integrons in E. coli strains. Lane 1 1,000 bp DNA Ladder, Lane 2 positive control, Lane 3 class 1 integrons (1,900 bp), Lane 4 and 5 class 2 integrons (789 bp).Back to article page