ArticleProceedings of the National Academy of Sciences of the United States of America2015
Random bursts determine dynamics of active filaments.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Polymer Systems with Correlated Activity: Stars Versus Linear Chains.Molecules (Basel, Switzerland) · 2025Article
- The rate of microtubule breaking increases exponentially with curvature.Scientific reports · 2022Article
- Measurement of the persistence length of cytoskeletal filaments using curvature distributions.Biophysical journal · 2022Article
- Optogenetic Tuning Reveals Rho Amplification-Dependent Dynamics of a Cell Contraction Signal Network.Cell reports · 2020Article
- Buckling instabilities and spatio-temporal dynamics of active elastic filaments.Journal of the Royal Society, Interface · 2020Article
- Packing structure of semiflexible rings.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Active Brownian Filamentous Polymers under Shear Flow.Polymers · 2018Article
- The flexibility and dynamics of the tubules in the endoplasmic reticulum.Scientific reports · 2017Article
- Self-organization of actin networks by a monomeric myosin.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- Bursts of activity in collective cell migration.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- Myosin-Induced Gliding Patterns at Varied [MgATP] Unveil a Dynamic Actin Filament.Biophysical journal · 2016Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Constituents of living or synthetic active matter have access to a local energy supply that serves to keep the system out of thermal equilibrium. The statistical properties of such fluctuating active systems differ from those of their equilibrium counterparts. Using the actin filament gliding assay as a model, we studied how nonthermal distributions emerge in active matter. We found that the basic mechanism involves the interplay between local and random injection of energy, acting as an analog of a thermal heat bath, and nonequilibrium energy dissipation processes associated with sudden jump-like changes in the system's dynamic variables. We show here how such a mechanism leads to a nonthermal distribution of filament curvatures with a non-Gaussian shape. The experimental curvature statistics and filament relaxation dynamics are reproduced quantitatively by stochastic computer simulations and a simple kinetic model.
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