Fig. 2From: Molecular detection and characterization of Shigella spp. harboring extended-spectrum β-lactamase genes in children with diarrhea in northwest IranPCR product electrophoresis of invC gene. Lane L is related to DNA marker: 100 bp (SMO321, Fermantas); Lane P: positive control; Lane 1–3: positive samples; Lane N: negative controlBack to article page