Fig. 1From: Phenotypic and genotypic antibiotic resistance profiles of Escherichia coli O157 from cattle and slaughterhouse wastewater isolatesAgarose gel electrophoresis of detected antibiotic resistance gene DNA fragments amplified by PCR from selected isolates. Lane M: 100 bp DNA marker; Lane 1: E. coli O157:H7 210 KB (sulI - 779 bp); Lane 2: E. coli O157:H7 168KA (strB - 509 bp); Lane 3: E. coli O157:H7 163KA (strA - 548 bp); Lane 4: E. coli O157:H7 3KA (tetC - 379 bp); Lane 5: E. coli O157:H7 163KA (tetB - 228 bp); Lanes 6: E. coli O157:H7 19RA (tetA – 372 bp)Back to article page