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  Membrane morphologies induced by mixtures of arc-shaped particles with opposite curvature

Bonazzi, F., Hall, C., & Weikl, T. R. (2020). Membrane morphologies induced by mixtures of arc-shaped particles with opposite curvature. Soft Matter. doi:10.1039/C9SM02476J.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-3E4C-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-3E4D-0
Genre: Journal Article

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 Creators:
Bonazzi, Francesco1, Author              
Hall, Carol, Author
Weikl, Thomas R.1, Author              
Affiliations:
1Thomas Weikl, Theorie & Bio-Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863330              

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 Abstract: Biological membranes are shaped by various proteins that either generate inward or outward membrane curvature. In this article, we investigate the membrane morphologies induced by mixtures of arc-shaped particles with coarse-grained modeling and simulations. The particles bind to the membranes either with their inward, concave side or their outward, convex side and, thus, generate membrane curvature of opposite sign. We find that small fractions of convex-binding particles can stabilize three-way junctions of membrane tubules, as suggested for the protein lunapark in the endoplasmic reticulum of cells. For comparable fractions of concave-binding and convex-binding particles, we observe lines of particles of the same type, and diverse membrane morphologies with grooves and bulges induced by these particle lines. The alignment and segregation of the particles is driven by indirect, membrane-mediated interactions.

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Language(s): eng - English
 Dates: 2020-04-02
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1039/C9SM02476J
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Title: Soft Matter
  Abbreviation : Soft Matter
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 1744-683X