Helicobacter pylori as a witness of the world's popularisation: a population genetic review for specialist of internal medicine

According to some estimates, 60% of the world's population is infected by Helicobacter pylori (H. pylori). Strains of bacteria from different areas of the world are not uniform. Their genetic diversity is more significant than those of other bacteria are which has been examined until now. The bacterial DNA sequence is more heterogeneous than human mitochondrial and chromosome Y markers, which has been examined in population genetic surveys. Infections by H. pylori start in childhood predominantly from the family environment. Therefore, parental H pylori genetic pattern is inherited. Differences in the H. pylori…