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DTSTART:20200329T030000
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DTSTART:20191027T020000
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DTSTAMP:20260404T015744Z
UID:5caf0550d0536653593616@ist.ac.at
DTSTART:20200219T123000
DTEND:20200219T133000
DESCRIPTION:Speaker: Sean Stankowski\nhosted by Nick Barton\nAbstract: A ma
 jor goal of speciation genomic studies is to infer the  basis of reproduct
 ive isolation from patterns of genome-wide variation. However\, Interpreti
 ng the genomic landscape of speciation is difficult because patterns of va
 riation can be shaped by many factors\, some of which have nothing to do w
 ith speciation\, per se. Recent work has suggested that background selecti
 on (BGS) is an important confounding factor that may lead to erroneous con
 clusions about the genomic location of barrier loci. In response\, several
  authors have proposed methods for controlling for its effect. One such me
 thod involves using the correlation in differentiation across multiple clo
 sely related taxa as a baseline in outlier detectionthe assumption that co
 rrelated genomic landscapes arise primarily due to BGS. Using empirical an
 d simulated data from a radiation of monkeyflowers\, I will argue that (i)
  BGS is unlikely to be major factor confounding speciation genomic studies
  and (ii) in attempting to control for it\, we may actually be discarding 
 the polygenic signature of adaptation and speciation.
LOCATION:I22 Lakeside View (I22.01)\, ISTA
ORGANIZER:cfraisse@ist.ac.at
SUMMARY:Sean Stankowski: Interpreting the genomic landscape of speciation: 
 insights from a radiation of monkeyflowers
URL:https://talks-calendar.ista.ac.at/events/2613
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