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Thesis defense : Antonin CRUMIERE

When Dec 14, 2017
from 02:00 PM to 05:00 PM
Contact Name
Attendees Dr. Jessica Abbott – Rapporteur et Examinateur, Lund University
Dr. Nicola Nadeau – Rapporteur et Examinateur, University of Sheffield
Dr. Anthony Herrel – Rapporteur et Examinateur, MNHN Paris
Dr. Charlie Scutt – Examinateur, ENS Lyon
Dr. Abderrahman Khila – Directeur de thèse

On  December 14th Antonin CRUMIERE from KHILA team ("Developmental genomics and evolution") will defend his thesis entitled:

 

"Developmental mechanisms of adaptive phenotypes and associated ecological relevance in the semiaquatic bugs"

 

This event is scheduled at 02:00 PM in Salle des Thèses Chantal Rabourdin-Combe (ENS, Monod campus).

 

Summary of the thesis

Understand how biodiversity is generated is a major goal in evolutionary biology. Every species live in a specific ecological habitat where they adapted during evolution by the mean of natural selection. Every species is also under sexual selection that generates dimorphism between the sexes. Adaptive traits contributing to evolutionary success are shaped during development by the action of genes that are transmitted through generations. These traits and genes vary across species and directly contribute to generate morphological diversity. The study of the interactions between developmental genetic mechanisms and selective ecological pressures allow a better understanding of the processes generating morphological diversity and driving the evolution of species. Obtain an integrative view is a challenge and required the combination of different approaches. During my PhD, I used the semiaquatic bugs (Gerromorpha) that are model systems allowing to link evolution, ecology and development. By using various approaches I could highlight genes involved in the development of different adaptive traits, the relevance of these traits in an ecological context and their impact on the evolution of the group of Gerromorpha. Altogether these results improve our understanding of how natural and sexual selection, by acting on genetic mechanisms, generate morphological diversity.