Journal
BIOPHYSICAL JOURNAL
Volume 100, Issue 1, Pages 80-89Publisher
CELL PRESS
DOI: 10.1016/j.bpj.2010.11.002
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Funding
- Deutsche Forschungsgemeinschaft via Research Group [FOR 877]
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We address the relationship between membrane microheterogeneity and anomalous subdiffusion in cell membranes by carrying out Monte Carlo simulations of two-component lipid membranes. We find that near-critical fluctuations in the membrane lead to transient subdiffusion, while membrane-cytoskeleton interaction strongly affects phase separation, enhances subdiffusion, and eventually leads to hop diffusion of lipids. Thus, we present a minimum realistic model for membrane rafts showing the features of both microscopic phase separation and subdiffusion.
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