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Biological relevance of active gel theory

Published on Apr 05, 20161810 Views

Much of the cell mechanics, morphology and motility is determined by the dynamical properties of an actin network moving under the action of molecular motors and by a continuous process of polymerizat

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Biological relevance of active gel theory00:00
Actin - based dynamics03:26
Many microscopic mechanisms04:55
Generalized hydrodynamics05:59
Harvard choice - 109:15
Harvard choice - 210:45
Harvard choice - 311:36
Untitled11:59
Contractility measured in units of Pascal - 212:45
Nematic hydrodynamics13:30
Spontaneous Frederiks transition - 114:07
Spontaneous Frederiks transition - 215:26
Topological singularities17:41
Spontaneously moving topological singularity17:53
Microtubules+motors18:14
Actomyosin contractility rotates the cell nucleus18:37
Control19:13
Pure Shear (Elongational Flow)20:00
Actin = 020:40
Xenopus egg wound healing - 120:59
Xenopus egg wound healing - 221:38
Want to describe - 122:29
Want to describe - 223:48
Cytokinesis25:48
Challenges27:53
Contractility generates flow30:17
Movie31:58
Sand - dollar zygote32:25
Cell division success/failure32:53
C elegans33:26
Non monotonic constriction rate34:18
Changing turnover - 134:48
Changing turnover - 235:43
Explains39:20
Untitled39:21
Nematic tissues40:44
Spontaneous Frederiks transition - 343:53
Spontaneous Frederiks transition - 444:29
Spontaneous Frederiks transition - 545:33
A unique and robust approach to many different phenomena47:32