Recoil after severing reveals stress fiber contraction mechanisms.

Abstract

Stress fibers are cellular contractile actomyosin machines central to wound healing, shear stress response, and other processes. Contraction mechanisms have been difficult to establish because stress fibers in cultured cells typically exert isometric tension and present little kinetic activity. In a recent study, living cell stress fibers were severed with… (More)
DOI: 10.1016/j.bpj.2009.04.051

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