dorsal/arxiv
View SchemaFilament depolymerization by motor molecules
| Authors | Gernot A. Klein, Karsten Kruse, Gianaurelio Cuniberti, Frank Juelicher |
|---|---|
| Categories | |
| ArXiv ID | q-bio/0501032 |
| URL | https://arxiv.org/abs/q-bio/0501032 |
| DOI | 10.1103/PhysRevLett.94.108102 |
Abstract
Motor proteins that specifically interact with the ends of cytoskeletal filaments can induce filament depolymerization. A phenomenological description of this process is presented. We show that under certain conditions motors dynamically accumulate at the filament ends. We compare simulations of two microscopic models to the phenomenological description. The depolymerization rate can exhibit maxima and dynamic instabilities as a function of the bulk motor density for processive depolymerization. We discuss our results in relation to experimental studies of Kin-13 family motor proteins.
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"abstract": "Motor proteins that specifically interact with the ends of cytoskeletal\nfilaments can induce filament depolymerization. A phenomenological description\nof this process is presented. We show that under certain conditions motors\ndynamically accumulate at the filament ends. We compare simulations of two\nmicroscopic models to the phenomenological description. The depolymerization\nrate can exhibit maxima and dynamic instabilities as a function of the bulk\nmotor density for processive depolymerization. We discuss our results in\nrelation to experimental studies of Kin-13 family motor proteins.",
"arxiv_id": "q-bio/0501032",
"authors": [
"Gernot A. Klein",
"Karsten Kruse",
"Gianaurelio Cuniberti",
"Frank Juelicher"
],
"categories": [
"q-bio.SC"
],
"doi": "10.1103/PhysRevLett.94.108102",
"title": "Filament depolymerization by motor molecules",
"url": "https://arxiv.org/abs/q-bio/0501032"
},
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