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In migrating cells, the retrograde flow of filamentous actin (f-actin) from the leading edge toward the cell body is accompanied by the synchronous motion of microtubules (MTs, ), whose plus ends undergo net growth. Thus, MTs must depolymerize elsewhere in the cell to maintain polymer mass over time. The source and location of depolymerized MTs is unknown. Here, we test the hypothesis that MT polymer loss occurs in central cell regions and is induced by the convergence of actin retrograde and anterograde flow, which buckles and breaks associated MTs and promotes minus-end depolymerization.
Pubmed ID: 12445381 RIS Download
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Software tool for automated microscope acquisition, device control, and image analysis. Used for integrating dissimilar fluorescent microscope hardware and peripherals into a single custom workstation, while providing all the tools needed to perform analysis of acquired images. Offers user friendly application modules for analysis such as cell signaling, cell counting, and protein expression.
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