Figure 1From: PCR-based genotyping of Helicobacter pylori of Gambian children and adults directly from biopsy specimens and bacterial culturesPCR inferred results of cagA gene. 1.5% gel electrophoresis of H. pylori genotypes showing PCR results of cagA gene. Lane M is a 100 bp ladder (Biolabs, UK); lanes 1, 2, 3 and 5 showed PCR products (349 bp) of cagA genes, lane 4 is cagA negative.Back to article page