2-AIN-506 a 2-AIN-252: Seminár z bioinformatiky (2) a (4)
Leto 2017

Iain Mathieson, Iosif Lazaridis, Nadin Rohland, Swapan Mallick, Nick Patterson, Songul Alpaslan Roodenberg, Eadaoin Harney, Kristin Stewardson, Daniel Fernandes, Mario Novak, Kendra Sirak, Cristina Gamba, Eppie R. Jones, Bastien Llamas, Stanislav Dryomov, Joseph Pickrell, Juan Luis Arsuaga, Jose Maria Bermudez {de Castro}, Eudald Carbonell, Fokke Gerritsen, Aleksandr Khokhlov, Pavel Kuznetsov, Marina Lozano, Harald Meller, Oleg Mochalov, Vyacheslav Moiseyev, Manuel A. Rojo Guerra, Jacob Roodenberg, Josep Maria Verges, Johannes Krause, Alan Cooper, Kurt W. Alt, Dorcas Brown, David Anthony, Carles Lalueza-Fox, Wolfgang Haak, Ron Pinhasi, David Reich. Genome-wide patterns of selection in 230 ancient Eurasians. Nature, 528(7583):499-503. 2015.

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Ancient DNA makes it possible to observe natural selection directly by analysing 
samples from populations before, during and after adaptation events. Here we
report a genome-wide scan for selection using ancient DNA, capitalizing on the
largest ancient DNA data set yet assembled: 230 West Eurasians who lived between 
6500 and 300 bc, including 163 with newly reported data. The new samples include,
to our knowledge, the first genome-wide ancient DNA from Anatolian Neolithic
farmers, whose genetic material we obtained by extracting from petrous bones, and
who we show were members of the population that was the source of Europe's first 
farmers. We also report a transect of the steppe region in Samara between 5600
and 300 bc, which allows us to identify admixture into the steppe from at least
two external sources. We detect selection at loci associated with diet,
pigmentation and immunity, and two independent episodes of selection on height.