Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Domaines hep-th
Date Jeudi 30 Mars 2017
Heure 11:00
Institut IHES
Salle Amphithéâtre Léon Motchane
Nom de l'orateur Goldstein
Prenom de l'orateur Raymond E.
Addresse email de l'orateur
Institution de l'orateur University of Cambridge & IHES
Titre Upside Down and Inside Out: The Biomechanics of Cell Sheet Folding
Résumé Deformations of cell sheets are ubiquitous in early animal development, often arising from a complex and poorly understood interplay of cell shape changes, division, and migration. In this talk I will describe an approach to understanding such problems based on perhaps the simplest example of cell sheet folding: the “inversion” process of the algal genus Volvox, during which spherical embryos literally turn themselves inside out through a process hypothesized to arise from cell shape changes alone. Through a combination of light sheet microscopy and elasticity theory a quantitative understanding of this process is now emerging.
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