Dynamic concentration of motors in microtubule arrays

Details Dynamic concentration of motors in microtubule arrays Dynamic concentration of motors in microtubule arrays

2000-10-09

arxiv.org/abs/cond-mat/0010130v2

Physics

Condensed Matter

Soft Condensed Matter

4pages, 4 figures revtex

Scientific paper

10.1103/PhysRevLett.86.3192

We present experimental and theoretical studies of the dynamics of molecular motors in microtubule arrays and asters. By solving a convection-diffusion equation we find that the density profile of motors in a two-dimensional aster is characterized by continuously varying exponents. Simulations are used to verify the assumptions of the continuum model. We observe the concentration profiles of kinesin moving in quasi two-dimensional artificial asters by fluorescent microscopy and compare with our theoretical results.

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