vacA Genotype Status of Helicobacter pylori Isolated from Foods with Animal Origin

Figure 3

Results of the gel electrophoresis for identification of m1b and s2 genotypes of the H. pylori strains of milk and meat samples. Lanes 3 and 4: positive controls, 5: negative control, M: 100 bp DNA ladder (Fermentas, Germany), and numbers 1-2: positive samples for s2 (199 bp) and m1b (291 bp) alleles, respectively.