Universiteit Leiden

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Colloquium Ehrenfestii: Emergence and Self-Organization in Biological Systems

Wednesday 25 September 2019
Niels Bohrweg 2
2333 CA Leiden
De Sitterzaal

A maggot becomes a fly

Each living animal or human originates from a single cell, which divides several times, then cells differentiate and robustly self-organize into tissues and organs. This talk will discuss mechanisms governing such tissue development, which involve a complex regulation based on genetics, but also on physics. In fact, forces, shapes, movements, shape changes, all obey the laws of mechanics. As an example, we will introduce the Drosophila metamorphosis: the fly strikingly changes, within a few days, from a rather simple maggot shape to a refined adult shape with wings, legs, antennas, waist, neck, and compound eyes.

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