Movie S1. Tubules emerge from maturing phagosomes several hours after phagocytosis in DCs. This movie shows the kinetics of tubule formation from phagosomes after pulsing WT BMDCs with LPS/OVA-TxR beads for 30 min and chasing for different times (0, 1 h, 2 h, or 6 h) as indicated. The time scale in seconds is indicated at the lower left.