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- W2945361024 endingPage "2545" @default.
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- W2945361024 abstract "We have used a simple model system to test the prediction that surface attachment strength of filaments presenting a torsion would affect their shape and properties. FtsZ from E. coli containing one cysteine in position 2 was covalently attached to a lipid bilayer containing maleimide lipids either in their head group (to simulate tight attachment) or at the end of a polyethylene glycol molecule attached to the head group (to simulate loose binding). We found that filaments tightly attached grew straight, growing from both ends, until they formed a two-dimensional lattice. Further monomer additions to their sides generated a dense layer of oriented filaments that fully covered the lipid membrane. After this point the surface became unstable and the bilayer detached from the surface. Filaments with a loose binding were initially curved and later evolved into straight thicker bundles that destabilized the membrane after reaching a certain surface density. Previously described theoretical models of FtsZ filament assembly on surfaces that include lateral interactions, spontaneous curvature, torsion, anchoring to the membrane, relative geometry of the surface and the filament ‘living-polymer’ condition in the presence of guanosine triphosphate (GTP) can offer some clues about the driving forces inducing these filament rearrangements." @default.
- W2945361024 created "2019-05-29" @default.
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- W2945361024 date "2019-05-24" @default.
- W2945361024 modified "2023-10-16" @default.
- W2945361024 title "Surface Orientation and Binding Strength Modulate Shape of FtsZ on Lipid Surfaces" @default.
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- W2945361024 doi "https://doi.org/10.3390/ijms20102545" @default.
- W2945361024 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6566678" @default.
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- W2945361024 hasPublicationYear "2019" @default.
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