[IIGB_All] IIGB Seminar: Moises Exposito-Alonso, 9/11

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*Moises Exposito-Alonso*

Department of Integrative Biology, University of California Berkeley

https://moilab.science
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*Rapid Adaptation and Extinction Across Climates in Synchronized Outdoor
Evolution Experiments of Arabidopsis Thaliana*

*Date:* Thursday, September 11

*Time:* 1:00 pm-2:00pm

*Location: *Genomics Auditorium 1102


*Abstract:*

Increased threats of climate change in the survival of plant species, has
put a spotlight on evolutionary adaptive processes that could aid in short
ecological timescales. Although the paradigm that genetic evolution is a
slow process is breaking down with new genomic data of wild populations,
long-term plant evolution experiments across climates that can test the
speed of evolution or its predictability do not exist yet. Here we conduct
a synchronized evolution experiment with the plant Arabidopsis thaliana in
over 30 outdoor experimental facilities across Europe, the Levant, and
US—we called this GrENE-net.org. Genome sequencing of  >70,000 surviving
plants across climates allowed us to detect clear signals of climate-driven
rapid adaptation, map genetic loci involved in adaptation in different
environments, and test the repeatability of adaptation. This work showcases
the importance of understanding the genetic basis of environmental
adaptation of species to anticipate the impacts of global change in nature.
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