Partial Genetic Turnover in Neandertals: Continuity in the East and Population Replacement in the West
2012 (English)In: Molecular biology and evolution, ISSN 0737-4038, E-ISSN 1537-1719, Vol. 29, no 8, 1893-1897 p.Article in journal (Refereed) Published
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.
Place, publisher, year, edition, pages
2012. Vol. 29, no 8, 1893-1897 p.
Neanderthal, demography, climate change, ancient DNA
IdentifiersURN: urn:nbn:se:uu:diva-181128DOI: 10.1093/molbev/mss074ISI: 000307171300001OAI: oai:DiVA.org:uu-181128DiVA: diva2:553290