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Curr Opin Cell Biol. 2016 Feb;38:81-9. doi: 10.1016/j.ceb.2016.02.021. Epub 2016 Mar 15.

Cortical actin and the plasma membrane: inextricably intertwined.

Author information

1
National Centre for Biological Sciences, Tata Institute for Fundamental Research, Bellary Road, GKVK, 560065 Bangalore, India. Electronic address: darius@ncbs.res.in.
2
National Centre for Biological Sciences, Tata Institute for Fundamental Research, Bellary Road, GKVK, 560065 Bangalore, India; Institute for Stem Cell Biology and Regenerative Medicine, Bellary Road, GKVK, 560065 Bangalore, India. Electronic address: mayor@ncbs.res.in.

Abstract

The plasma membrane serves as a barrier, separating the cell from its external environment. Simultaneously it acts as a site for information transduction, entry of nutrients, receptor signaling, and adapts to the shape of the cell. This requires local control of organization at multiple scales in this heterogeneous fluid lipid bilayer with a plethora of proteins and a closely juxtaposed dynamic cortical cytoskeleton. New membrane models highlight the influence of the underlying cortical actin on the diffusion of membrane components. Myosin motors as well as proteins that remodel actin filaments have additionally been implicated in defining the organization of many membrane constituents. Here we provide a perspective of the intimate relationship of the membrane lipid matrix and the underlying cytoskeleton.

PMID:
26986983
DOI:
10.1016/j.ceb.2016.02.021
[Indexed for MEDLINE]

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