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Genre/Form: article in peer-reviewed journal Material Type: Internet resource Document Type: Internet Resource, Archival Material All Authors / Contributors: Caillé, A.; Artzner, Franck; Amblard, François OCLC Number: 834046717 Language Note: English Abstract: In this Letter, we show how the grooved helical structure of actin microfilaments (F-actin) interacting with mixed fluid lipid bilayers leads to handedness-independent 1D lipid bilayer undulations coupled to longitudinal in-plane ordering of the microfilaments. This longitudinal ordering is forced by the emerging in-plane compression and curvature energy terms of the straight 1D bilayer undulation wave fronts. Thereby, adjacent helices are set into registry along their long axis in their monolayer and π shifted between adjacent monolayers. An ordered composite multilamellar structure emerges by alternate stacking of these lipid bilayers and monolayers of F-actin. This two-dimensionally ordered system has the symmetries of a centered rectangular columnar liquid crystal, the straight 1D wave fronts playing the role of the classical molecular columns.

Title : Ordered Stacking of F-Actin Layers and Mixed Lipid Bilayers : A Columnar Liquid Crystal
Author : Caillé, A.; Artzner, Franck; Amblard, François
Language : en
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Type : PDF, ePub, Kindle
Uploaded : Apr 12, 2021

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