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Issue 26, 2013
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FtsZ protein on bilayer membranes: effects of specific lateral bonds

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Abstract

We use a simple lattice model to explore the self-assembled structures of protein filaments. Monte Carlo simulations show polymorphic structures, formed by the competition between the bundling of filaments, their branching and the spontaneous curvature. In the top-down approach, typical of statistical physics, we compare the simulation results with experimental atomic force microscopy images of the bacterial protein FtsZ anchored on bilayer membranes. We identify the relevant aspects of the interactions between protein monomers, which are amplified as a collective effect of the whole system. From the perspective of soft-matter physics, the experimental system and its model representation provide an interesting example of living polymers with tunable interactions.

Graphical abstract: FtsZ protein on bilayer membranes: effects of specific lateral bonds

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Publication details

The article was received on 26 Feb 2013, accepted on 29 Apr 2013 and first published on 24 May 2013


Article type: Paper
DOI: 10.1039/C3SM50590A
Citation: Soft Matter, 2013,9, 6072-6079
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    FtsZ protein on bilayer membranes: effects of specific lateral bonds

    P. González de Prado Salas, M. Encinar, M. Vélez and P. Tarazona, Soft Matter, 2013, 9, 6072
    DOI: 10.1039/C3SM50590A

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