PLANT BIOLOGY SPECIAL SEMINAR

 “ Understanding the genomic basis of plant diversification with a phylogenomic approach

Dr. Angélica Cibrián Jaramillo


Assistant Professor, The National Laboratory of Genomics

for Biodiversity (Langebio), Irapuato, Mexico


4:10 p.m.

Thursday, June 20th, 2013

3001 Plant & Environmental Sciences (PES)

Host: Jeffrey Ross-Ibarra (rossibarra@ucdavis.edu)

Abstract

Understanding the genetic and genomic basis of plant diversification has been a major goal of evolutionary biologists since Darwin first pondered his “abominable mystery,” the rapid diversification of the angiosperms in the fossil record. We develop and deploy a functional phylogenomic approach that helps identify genes and biological processes putatively involved in species diversification. We assembled a matrix of 22,833 orthologs from 150 species to reconstruct seed plant phylogenetic relationships and to identify gene sets with a unique evolutionary signal. Our analysis of overrepresented biological processes in these sets narrowed down possible genetic mechanisms underlying plant adaptation and diversification. Our functional phylogenomic approach can be applied to any taxa with available sequences to enhance our knowledge of the evolutionary processes underlying biodiversity in general.

Categories: Seminar Announcements
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