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  • Amaury Lambert (Ecole Normale Supérieure)

Amaury Lambert (Ecole Normale Supérieure)

  • 30 Mar 2022
  • 13:00

Title: Stochastic models coupling the evolution of genomes and species

Abstract: Due to recombination and to hybridization between species, the genealogies of genes, even sampled from distantly related species, are usually different at different genes, and (so) distinct from the species tree. We review models coupling gene trees and species tree including the popular multispecies coalescent as well as three alternative models that our team has devised and studied: the nested coalescent, Kingman's coalescent with erosion and the gene-based diversification model, acknowledging the importance of gene flow and where gene histories shape the species tree rather than the opposite. These models are meant to pave the way for approaches of diversification using the richer signal contained in genomic evolutionary histories rather than in the mere species tree.

Amaury Lambert is founder and co-head of the research group SMILE (Stochastic models for the inference of life evolution), Professor at Ecole Normale Supérieure de Paris (ENS), member of Institut de Biologie de l'ENS (IBENS) and of Center for Interdisciplinary Research in Biology (CIRB, Collège de France).

https://www.lpsm.paris/pageperso/amaury.lambert/

Link to talk: https://youtu.be/QPiOjB-mKCM






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