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Séminaire de Martin Lenz

Disordered actomyosin contracts in unexpected ways


Martin Lenz

LPTMS, CNRS, Université Paris Sud.

Disordered actomyosin contracts in unexpected ways

The motion of living cells is in large part due to the interaction of
semi-flexible actin filaments (F-actin) and myosin molecular motors,
which induce the relative sliding of F-actin. It is often assumed that
this simple sliding is sufficient to account for all actomyosin-based
motion. While this is correct in our highly organized striated muscle,
we question the application of this dogma to less ordered actomyosin
systems, thus reexamining a cornerstone of our understanding of cellular
motion.

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