[Ocees] PBIO Colloquium on Friday: Laura Kubatko!

[Kuchta, Shawn]

Howdy Friends!

Please join us for the PBIO Colloquium this Friday!  We are lucky to have a superstar in evolutionary biology visiting us!

Laura Kubatko, Professor of Statistics, Ecology, and Evolution
Dept of Evolution, Ecology, and Organismal Biology, Ohio State University

[Laura Kubatko, professor in statistics and evolution, ecology, and organismal biology]


What gene trees do (and do not) tell us

about species evolution and biodiversity

11:50 – 12:45, Friday, March 24          Room 104, Porter Hall

Species-level phylogenetic trees represent the sequence of evolutionary events that
have given rise to the species observed at the present time. Species trees may differ
from gene trees — trees that represent the evolutionary history for individual genes
throughout the genome — due to evolutionary processes such as hybridization,
horizontal gene transfer, and ancestral polymorphism. In this talk, I will first describe
models for the relationship between gene trees and species trees, focusing specifically on the case of ancestral polymorphism. I’ll then consider phylogenetically-based methods for studying biodiversity, and demonstrate the important distinction between genes trees and species trees.  The impact of using gene trees vs. species
trees will be examined with empirical data from several taxonomic groups, ranging
from yeast to mammals.


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