The Role of Recent Admixture in Forming the Contemporary West Eurasian Genomic Landscape.

Valentino Romano, Sabri Denden, Amel Haj-Khelil, Francesca Brisighelli, Paolo Anagnostou, George B.J. Busby, Caroline Hayward, Desislava Nesheva, Francesco Montinaro, Francesco Cali, Pawel Krajewski, Tatijana Zemunik, Sena Karachanak-Yankova, James F. Wilson, Catherine Buresi, Simon Myers, Igor Rudan, Tatijana Zemunik, Garrett Hellenthal, Jemni Ben ChibaniTatijana Zemunik, Jemni Ben Chibani, Sergio Tofanelli, Tor Hervig, Kazima Bulayeva, Rafal Ploski, Draga Toncheva, Cristian Capelli, Torolf Moen, Gerard Lefranc, Igor Rudan, Rene J. Herrera

Risultato della ricerca: Articlepeer review

45 Citazioni (Scopus)


Over the past few years, studies of DNA isolated from human fossils and archaeological remains have generated considerable novel insight into the history of our species. Several landmark papers have described the genomes of ancient humans across West Eurasia, demonstrating the presence of large-scale, dynamic population movements over the last 10,000 years, such that ancestry across present-day populations is likely to be a mixture of several ancient groups [1-7]. While these efforts are bringing the details of West Eurasian prehistory into increasing focus, studies aimed at understanding the processes behind the generation of the current West Eurasian genetic landscape have been limited by the number of populations sampled or have been either too regional or global in their outlook [8-11]. Here, using recently described haplotype-based techniques [11], we present the results of a systematic survey of recent admixture history across Western Eurasia and show that admixture is a universal property across almost all groups. Admixture in all regions except North Western Europe involved the influx of genetic material from outside of West Eurasia, which we date to specific time periods. Within Northern, Western, and Central Europe, admixture tended to occur between local groups during the period 300 to 1200 CE. Comparisons of the genetic profiles of West Eurasians before and after admixture show that population movements within the last 1,500 years are likely to have maintained differentiation among groups. Our analysis provides a timeline of the gene flow events that have generated the contemporary genetic landscape of West Eurasia.
Lingua originaleEnglish
pagine (da-a)2518-2526
Numero di pagine9
RivistaCurrent Biology
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

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