Partial genetic turnover in neandertals: continuity in the East and population replacement in the West

Molecular Biology and Evolution
Love DalénA Götherström

Abstract

Remarkably little is known about the population-level processes leading up to the extinction of the neandertal. To examine this, we use mitochondrial DNA sequences from 13 neandertal individuals, including a novel sequence from northern Spain, to examine neandertal demographic history. Our analyses indicate that recent western European neandertals (<48 kyr) constitute a tightly defined group with low mitochondrial genetic variation in comparison with both eastern and older (>48 kyr) European neandertals. Using control region sequences, Bayesian demographic simulations provide higher support for a model of population fragmentation followed by separate demographic trajectories in subpopulations over a null model of a single stable population. The most parsimonious explanation for these results is that of a population turnover in western Europe during early Marine Isotope Stage 3, predating the arrival of anatomically modern humans in the region.

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Citations

Jul 25, 2012·Proceedings of the National Academy of Sciences of the United States of America·John LowePolychronis C Tzedakis
May 10, 2013·Proceedings. Biological Sciences·Justin D YeakelPaul L Koch
Jan 29, 2014·Proceedings of the National Academy of Sciences of the United States of America·Pontus SkoglundMattias Jakobsson
Dec 10, 2014·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Federico Sánchez-Quinto, Carles Lalueza-Fox
Dec 24, 2014·Journal of Human Evolution·Luca ErminiLudovic Orlando
Dec 3, 2014·Journal of Human Evolution·Charles C Roseman, Benjamin M Auerbach
Jun 9, 2016·Proceedings of the National Academy of Sciences of the United States of America·Wil Roebroeks, Marie Soressi
May 5, 2016·Scientific Reports·Patrícia PečnerováLove Dalén
Sep 13, 2014·Journal of Anthropological Archaeology·Eiluned Pearce, Theodora Moutsiou
Sep 2, 2017·Proceedings of the National Academy of Sciences of the United States of America·John Hawks
Aug 9, 2017·Proceedings of the National Academy of Sciences of the United States of America·Alan R RogersChad D Huff
Oct 10, 2014·Nature·Wil Roebroeks
Jun 13, 2019·Proceedings. Biological Sciences·Daniel R ShultzThomas R Shultz
Feb 14, 2018·Proceedings. Biological Sciences·Petr KotlíkJeremy B Searle
Nov 6, 2012·American Journal of Physical Anthropology·Todd R Disotell
Mar 22, 2018·Nature·Mateja HajdinjakJanet Kelso
Jun 18, 2017·Journal of Human Evolution·Alexis P SullivanGeorge H Perry

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