| impact of human migrations on diversity of helicobacter pylori in cambodia and new caledonia. | helicobacter pylori is a major gastric bacterial pathogen, presumed to have established itself in the human stomach approximately 100,000 years ago. helicobacter pylori co-evolved with its host, and human migrations shaped the expansion and the diversity of strains around the world. here, we investigated the population structure and the genomic diversity of h. pylori in new caledonia and cambodia, where humans of different origins are living. | 2013 | 23350664 |