期刊
CURRENT OPINION IN CELL BIOLOGY
卷 15, 期 1, 页码 31-39出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/S0955-0674(02)00010-8
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Many important cellular processes such as phagocytosis, cell motility and endocytosis require the participation of a dynamic and interactive actin cytoskeleton that acts to deform cellular membranes. The extensive family of non-traditional myosins has been implicated in linking the cortical actin gel with the plasma membrane. Recently, however, the dynamins have also been included in these cell processes as a second family of mechanochemical enzymes that self-associate and hydrolyze nucleoticles to perform 'work' while linking cellular membranes to the actin cytoskeleton. The dynamins are believed to form large helical polymers from which extend many interactive proline-rich tail domains, and these domains bind to a variety of SH3-domain-containing proteins, many of which appear to be actin-binding proteins. Recent data support the concept that the dynamin family might act as a 'polymeric contractile scaffold' at the interface between biological membranes and filamentous actin.
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