ESPCI web site
PMMH’s weekly seminar is held every Friday at 11 am (map)
Stéphane Perrard
Etienne Reyssat
Virgile Thiévenaz
PMMH
BARRE CASSAN
BAT A 1ER ETAGE CASE 18
7 QUAI SAINT BERNARD
75005 PARIS
France
Tel : (33) 1 40 79 45 22
Séminaire PMMH - Joseph d’Alessandro
Eukaryotic cells as interacting living particles
Cells move. They propel themselves using an internal machinery which endows them with the characteristics of active particles. At the same time, they interact dynamically with their environment and with neigbouring cells, by adhering, exerting forces and exchanging biochemical signals. In this talk, we will first show, on two model eukaryotic systems, that this can lead to microphase separation, collectively enhanced or reduced diffusion and pattern formation over large scales. Then we will focus on an effect of the coupling of cell migration to the substrate's dynamics. Indeed, by studying the long-term migration of isolated cells, we find that they exhibit path reinforcement, which entails very specific transport properties. Finally, in light of those results, we will discuss the perspectives offered by an active matter view on the emergence of collective migration in eukaryotic cell assemblies.
Eukaryotic cells as interacting living particles
Cells move. They propel themselves using an internal machinery which endows them with the characteristics of active particles. At the same time, they interact dynamically with their environment and with neigbouring cells, by adhering, exerting forces and exchanging biochemical signals. In this talk, we will first show, on two model eukaryotic systems, that this can lead to microphase separation, collectively enhanced or reduced diffusion and pattern formation over large scales. Then we will focus on an effect of the coupling of cell migration to the substrate's dynamics. Indeed, by studying the long-term migration of isolated cells, we find that they exhibit path reinforcement, which entails very specific transport properties. Finally, in light of those results, we will discuss the perspectives offered by an active matter view on the emergence of collective migration in eukaryotic cell assemblies.
The audience is composed of people with rather heterogeneous backgrounds including specialists in solids, fluids, granular flows, statistical physics... so the idea is to keep your talk understandable by people not necessarily working in your field... The seminar time slot runs from 11am to noon so the best is to make the talk last around 45 minutes to leave some time for discussion.
- Séminaires ESPCI-ENS de biophysique
- Séminaires du Département de Physique de l’ENS
- Séminaires du Laboratoire d’Hydrodynamique de l’X
- Séminaire de Mécanique d’Orsay (page web FAST)
- Séminaire de Mécanique d’Orsay (page web LIMSI)
- Séminaire de Mécanique des Fluides de l’Institut Jean le Rond d’Alembert
- Séminaires du laboratoire MSC, Paris VII
- Séminaires Gulliver
Link to cofee seminar (internal, every Thursday)
