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DTSTART:20170326T030000
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DTSTAMP:20260428T111133Z
UID:589d8ff974fc5622296110@ist.ac.at
DTSTART:20170316T084500
DTEND:20170316T094500
DESCRIPTION:Speaker: Aida Andres\nAbstract: Human evolution is interesting 
 from a number of reasons. Among them is the fact that human ancestors live
 d in Africa for millions of years\, but they successfully colonized non-Af
 rican environments only in the last 50\,000 years or so. Many of these are
 as differ substantially in ecological terms\, and their colonization was a
 ccompanied by selective pressures to adapt locally. Analyzing modern and a
 ncient genomes we infer that local adaptation significantly contributed to
  the (otherwise modest) genic differences that exist among human groups. S
 ome of these adaptations result in population differences in important phe
 notypes\, including disease. The origin of the adaptive alleles remains de
 bated\, with new\, introgressed\, and neutral standing alleles being plaus
 ible sources. I will discuss how shifts in natural selection can mediate f
 ast novel adaptations\, focusing on how long-term balancing selection (an 
 important type of natural selection that maintains advantageous diversity 
 within populations) served as a source of alleles that mediated recent Eur
 asian adaptations. When applied to data in primates\, these approaches hel
 p us understand also the evolution of our closest living relatives.\n
LOCATION:Seminar room Big Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:pdelreal@ist.ac.at
SUMMARY:Aida Andres: Old and new genetic adaptations in humans (and other p
 rimates)
URL:https://talks-calendar.ista.ac.at/events/353
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