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© Institut Pasteur/Marco Gualtieri & Pauline Spéder
Event

DSCB Seminar: Dr. Aissam Ikmi, EMBL Heidelberg, Germany – “Design principles of cnidarian shapes”

Scientific Fields
Diseases
Organisms
Applications
Technique
Date
23
Jan 2026
Time
11:00:00
25 Rue du Docteur Roux, Paris, France
Address
Building: Monod Room: Amphi Ullmann
Location
2026-01-23 11:00:00 2026-01-23 12:00:00 Europe/Paris DSCB Seminar: Dr. Aissam Ikmi, EMBL Heidelberg, Germany – “Design principles of cnidarian shapes” Abstract: How do animals build, modify, and restore their shape? Shape is an organism-scale property that emerges from distributed molecular and biophysical processes coordinated across time and space, making causality inherently cross-scale. In this […] 25 Rue du Docteur Roux, Paris, France Thibaut Brunet thibaut.brunet@pasteur.fr

About

Abstract:

How do animals build, modify, and restore their shape? Shape is an organism-scale property that emerges from distributed molecular and biophysical processes coordinated across time and space, making causality inherently cross-scale. In this talk, I will discuss how morphological identity is achieved and re-established through the integration of biomechanics, behavior, and metabolism. Using cnidarians, whose relatively simple body architecture makes cross-scale causality experimentally tractable, we combine cross-species comparative analysis, genetics, quantitative imaging, and theory to identify the organizing principles of shape control. We show that cnidarian morphogenesis is governed by a small set of conserved mesoscale mechanical modules that generate evolutionary diversity, are dynamically regulated by physiology during life-cycle transitions, and are rescaled during regeneration to restore form from variable initial conditions.

Hosted by Thibaut Brunet

thibaut.brunet@pasteur.fr

Location

Building: Monod
Room: Amphi Ullmann
Address: 25 Rue du Docteur Roux, Paris, France