PerspectiveCell Biology

Formin' filaments at a faster CLIP

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Science  20 May 2016:
Vol. 352, Issue 6288, pp. 894-895
DOI: 10.1126/science.aaf9624

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Cells of all kingdoms form a rigid but dynamic cytoskeleton that is essential for cell shape and growth. Microtubules and actin filaments build the eukaryotic cytoskeleton, and although they serve distinct functions, cooperation and indirect connections between these systems exist (1). On page 1004 of this issue, Henty-Ridilla et al. (2) report how a protein that accumulates at the growing tips of microtubules also elongates actin filaments, revealing an unexpected interaction between the two cytoskeletal systems.