期刊
CURRENT OPINION IN CELL BIOLOGY
卷 21, 期 1, 页码 28-37出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.ceb.2008.12.001
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类别
资金
- National Institutes of Health [GM063691, GM083137]
Cells require actin nucleators to catalyze the de novo assembly of filaments and actin elongation factors to control the rate and extent of polymerization. Nucleation and elongation factors identified to date include Arp2/3 complex, formins, Ena/VASP, and newcomers Spire, Cobl, and Lmod. Here, we discuss recent advances in understanding their activities and mechanisms and new evidence for their cooperation and interaction in vivo. Earlier models had suggested that different nucleators junction independently to assemble distinct actin arrays. However, more recent observations indicate that the construction of most cellular actin networks depends on the activities of multiple actin assembly-promoting factors working in concert.
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