PMID: 6537825Jan 5, 1984Paper

Direct observation of motion of single F-actin filaments in the presence of myosin

Nature
T YanagidaF Oosawa

Abstract

Actin is found in almost all kinds of non-muscle cells where it is thought to have an important role in cell motility. A proper understanding of that role will only be possible when reliable in vitro systems are available for investigating the interaction of cellular actin and myosin. A start has been made on several systems, most recently by Sheetz and Spudich who demonstrated unidirectional movement of HMM-coated beads along F-actin cables on arrays of chloroplasts exposed by dissection of a Nitella cell. As an alternative approach, we report here the direct observation by fluorescence microscopy of the movements of single F-actin filaments interacting with soluble myosin fragments energized by Mg2+-ATP.

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Citations

Jan 1, 1996·Cell Motility and the Cytoskeleton·M Terasaki
Jan 1, 1997·Cell Motility and the Cytoskeleton·E L deBeerG H Pollack
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