Ancient gene flow from early modern humans into Eastern Neanderthals

Martin Kuhlwilm, Ilan Gronau, Melissa J. Hubisz, Cesare De Filippo, Javier Prado-Martinez, Martin Kircher, Qiaomei Fu, Hernán A. Burbano, Carles Lalueza-Fox, Marco De La Rasilla, Antonio Rosas, Pavao Rudan, Dejana Brajkovic, Željko Kucan, Ivan Gušic, Tomas Marques-Bonet, Aida M. Andrés, Bence Viola, Svante Pääbo, Matthias MeyerAdam Siepel*, Sergi Castellano

*Corresponding author for this work

Abstract

It has been shown that Neanderthals contributed genetically to modern humans outside Africa 47,000-65,000 years ago. Here we analyse the genomes of a Neanderthal and a Denisovan from the Altai Mountains in Siberia together with the sequences of chromosome 21 of two Neanderthals from Spain and Croatia. We find that a population that diverged early from other modern humans in Africa contributed genetically to the ancestors of Neanderthals from the Altai Mountains roughly 100,000 years ago. By contrast, we do not detect such a genetic contribution in the Denisovan or the two European Neanderthals. We conclude that in addition to later interbreeding events, the ancestors of Neanderthals from the Altai Mountains and early modern humans met and interbred, possibly in the Near East, many thousands of years earlier than previously thought.

Original languageEnglish
JournalNature
Volume530
Issue number7591
Pages (from-to)429-433
Number of pages5
ISSN0028-0836
DOIs
Publication statusPublished - 25.02.2016

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