The actin cortex as an active wetting layer

Regular Article
Part of the following topical collections:
  1. Active Matter


Using active gel theory we study theoretically the properties of the cortical actin layer of animal cells. The cortical layer is described as a non-equilibrium wetting film on the cell membrane. The actin density is approximately constant in the layer and jumps to zero at its edge. The layer thickness is determined by the ratio of the polymerization velocity and the depolymerization rate of actin.

Graphical abstract


Topical issue: Active Matter 

Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • J. -F. Joanny
    • 1
  • K. Kruse
    • 2
  • J. Prost
    • 1
    • 3
  • S. Ramaswamy
    • 4
  1. 1.Physico Chimie Curie (Institut Curie, Cnrs UMR 168, UPMC)Institut Curie Centre de RechercheParis Cedex 05France
  2. 2.Theoretische PhysikUniversität des SaarlandesSaarbrückenGermany
  3. 3.ESPCIParisFrance
  4. 4.TIFR Centre for Interdisciplinary SciencesTata Institute of Fundamental ResearchHyderabadIndia

Personalised recommendations