
pmid: 18510919
Capping proteins limit actin filament growth, but paradoxically increase actin-based cell motility. This has been attributed to funneling of actin monomers to the filament ends that remain uncapped. Using a reconstituted motility system, Akin and Mullins (2008) now demonstrate that filament capping increases Arp2/3-based nucleation and branching, rather than elevating the rate of filament elongation.
Actin Cytoskeleton, Cytoskeletal Proteins, Biochemistry, Genetics and Molecular Biology(all), Cell Movement, Actin Capping Proteins, Models, Biological, Actins
Actin Cytoskeleton, Cytoskeletal Proteins, Biochemistry, Genetics and Molecular Biology(all), Cell Movement, Actin Capping Proteins, Models, Biological, Actins
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