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Nonequilibrium raftlike membrane domains under continuous recycling
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UNSPECIFIED (2005) Nonequilibrium raftlike membrane domains under continuous recycling. PHYSICAL REVIEW LETTERS, 95 (16). -. doi:10.1103/PhysRevLett.95.168301 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.95.168301
Abstract
We present a model for the kinetics of spontaneous membrane domain (raft) assembly that includes the effect of membrane recycling ubiquitous in living cells. We show that domains can have a broad power-law distribution with an average radius that scales with the 1/4 power of the domain lifetime when the line tension at the domain edges is large. For biologically reasonable recycling and diffusion rates, the average domain radius is in the tens of nm range, consistent with observations. This represents one possible link between signaling (involving rafts) and traffic (recycling) in cells. Finally, we present evidence that suggests that the average raft size may be the same for all scale-free recycling schemes.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW LETTERS | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 14 October 2005 | ||||
Dates: |
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Volume: | 95 | ||||
Number: | 16 | ||||
Number of Pages: | 4 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevLett.95.168301 | ||||
Publication Status: | Published |
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