Beads coated with Arp2 / 3 - activating proteins can induce two distinct
types of actin organization in cytoplasmic extracts: (1) comet tails or clouds displaying a dendritic array of actin filaments and (2) stars with filament bundles radiating from the bead.
Not exact matches
Analysis
of nuclear
actin by overexpression
of wild -
type and
actin mutant proteins.
Focal Increases
of Axoplasmic Ca2 +, Aggregation
of Sodium — Calcium Exchanger, N -
type Ca2 + Channel, and
Actin Define the Sites
of Spheroids in Axons Undergoing Oxidative Stress.
Actins are highly conserved globular proteins that are involved in various
types of cell motility and are ubiquitously expressed in all eukaryotic cells.
Fluorescence recovery after photobleaching
of GFP - tagged wild -
type and S39A fascin showed that dephosphorylated fascin underwent rapid cycles
of association to and dissociation from
actin filaments in filopodia, with t (1/2) < 10 s.