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Temporal dynamics of aster formation in an actin/myosin system. Actin concentration is 2.4 μM with an average of 40 myosin minifilaments per actin filament. (A–F) 6 min, 16 min, 31 min, 41 min, 45 min, and 48 min. After an initial lag phase where the system stays disordered, aster formation starts at 41 min with permanent structures observed at 45 min. (Scale bar is 20 μm.)
