Article
Repeated out-of-Africa expansions of Helicobacter pylori driven by replacement of deleterious mutations.
Nature communications - 11 Nov 2022
Thorpe Harry A, Tourrette Elise, Yahara Koji, Vale Filipa F, Liu Siqi, Oleastro Mónica, Alarcon Teresa, Perets Tsachi-Tsadok, Latifi-Navid Saeid, Yamaoka Yoshio, Martinez-Gonzalez Beatriz, Karayiannis Ioannis, Karamitros Timokratis, Sgouras Dionyssios N, Elamin Wael, Pascoe Ben, Sheppard Samuel K, Ronkainen Jukka, Aro Pertti, Engstrand Lars, Agreus Lars, Suerbaum Sebastian, Thorell Kaisa, Falush Daniel
Abstract excerpt
Helicobacter pylori lives in the human stomach and has a population structure resembling that of its host. However, H. pylori from Europe and the Middle East trace substantially more ancestry from modern African populations than the humans that carry them. Here, we use a collection of Afro-Eurasian H. pylori genomes to show that this African ancestry is due to at least three distinct admixture events. H. pylori...
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