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Literature DB >> 15688136

Generic theory of active polar gels: a paradigm for cytoskeletal dynamics.

K Kruse¹, J F Joanny, F Jülicher, J Prost, K Sekimoto.

Abstract

We develop a general theory for active viscoelastic materials made of polar filaments. This theory is motivated by the dynamics of the cytoskeleton. The continuous consumption of a fuel leads to a non equilibrium state characterized by the generation of flows and stresses. Our theory can be applied to experiments in which cytoskeletal patterns are set in motion by active processes such as those which are at work in cells.

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Year: 2005 PMID： 15688136 DOI： 10.1140/epje/e2005-00002-5

Source DB: PubMed Journal: Eur Phys J E Soft Matter ISSN： 1292-8941 Impact factor: 1.890

24 in total

1. Dynamic concentration of motors in microtubule arrays.

Authors: F Nédélec; T Surrey; A C Maggs
Journal: Phys Rev Lett Date: 2001-04-02 Impact factor: 9.161

2. Macroscopic equations for pattern formation in mixtures of microtubules and molecular motors.

Authors: H Y Lee; M Kardar
Journal: Phys Rev E Stat Nonlin Soft Matter Phys Date: 2001-10-23

3. Eukaryotic cell locomotion depends on the propagation of self-organized reaction-diffusion waves and oscillations of actin filament assembly.

Authors: Michael G Vicker
Journal: Exp Cell Res Date: 2002-04-15 Impact factor: 3.905

Generic theory of active polar gels: a paradigm for cytoskeletal dynamics.

1. Dynamic concentration of motors in microtubule arrays.

2. Macroscopic equations for pattern formation in mixtures of microtubules and molecular motors.

3. Eukaryotic cell locomotion depends on the propagation of self-organized reaction-diffusion waves and oscillations of actin filament assembly.

4. Self-propagating patterns in active filament bundles.

5. Physical properties determining self-organization of motors and microtubules.

6. Nonequilibrium fluctuations, traveling waves, and instabilities in active membranes.

7. Self-organization and mechanical properties of active filament bundles.

8. Rheology of active-particle suspensions.

9. Asters, vortices, and rotating spirals in active gels of polar filaments.

10. Periodic lamellipodial contractions correlate with rearward actin waves.

1. Macroscopic behavior of systems with an axial dynamic preferred direction.

2. Actin filament elasticity and retrograde flow shape the force-velocity relation of motile cells.

3. Multiphase flow models of biogels from crawling cells to bacterial biofilms.

4. A mechanical model of actin stress fiber formation and substrate elasticity sensing in adherent cells.

5. Fluidization of tissues by cell division and apoptosis.

6. Mechanics and remodelling of cell packings in epithelia.

7. Single cells spreading on a protein lattice adopt an energy minimizing shape.

8. Theoretical study of actin layers attachment and separation.

9. Self-straining of actively crosslinked microtubule networks.

10. Nonlinear competition between asters and stripes in filament-motor systems.