Fig. 2. Representation of the ancestry admixture in H. pylori strains from American populations, as analyzed with chromosome painting.

Each column represents one strain and the color indicates the proportion of the corresponding ancestry in that genome. The color code for each subpopulation is shown on the right of Fig. 2. a Representation by subpopulation, from left to right, African, European, and Indigenous American subpopulations; b admixture profiles by country along the American continent, from left to right, from Canada to Argentina.