ArticleEuropean biophysics journal : EBJ2008
Non-Gaussian curvature distribution of actin-propelled biomimetic colloid trajectories.
Article in European biophysics journal : EBJ, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- A circle swimmer at low Reynolds number.The European physical journal. E, Soft matter · 2012Article
- Mesoscopic model of actin-based propulsion.PLoS computational biology · 2012Article
- Observation and kinematic description of long actin tracks induced by spherical beads.Biophysical journal · 2010Article
- Force generation of curved actin gels characterized by combined AFM-epifluorescence measurements.Biophysical journal · 2010Article
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Authors and funding
6 authors.
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Abstract
We analyze the motion of colloids propelled by a comet-like tail of polymerizing actin filaments. The curvature of the particle trajectories deviates strongly from a Gaussian distribution, implying that the underlying microscopic processes are fluctuating in a non-independent manner. Trajectories for beads of different size all showed the same non-Gaussian behavior, while the mean curvature decreased weakly with size. A stochastic simulation that includes nucleation, force-dependent dissociation, growth, and capping of filaments, shows that the non-Gaussian curvature distribution can be explained by a positive feedback mechanism in which attached chains under higher tension are more likely to snap.
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Registered trials
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