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Fig. 2 | Tropical Medicine and Health

Fig. 2

From: Frequency of quinolone resistance genes among extended-spectrum β-lactamase (ESBL)-producing Escherichia coli strains isolated from urinary tract infections

Fig. 2

Agarose gel electrophoresis of qnrA (580 bp), qnrB (264 bp), and qnrS (428 bp) genes of multiplex PCR amplification products. Left to right lane: lane 1 negative control; lanes 6, 7, and 8 positive control for qnrS, qnrB, and qnrA, respectively; lane 2 qnrA and B; lane 3 qnrS and B; lane 4 qnrA and S; lane 9 100 bp DNA ladder

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