Movie S1

Maximum intensity projection time-lapse images of ACA-YFP-24xMS2/MS2-RFP/aca^- cells and cAR1-YFP-24xMS2/MS2-RFP/car1/3^-/- cells - Related to Figure 1.
ACA-YFP-24xMS2/MS2-RFP/aca^- (top) and cAR1-YFP-24xMS2/MS2-RFP/car1/3^-/- (bottom) cells migrating towards a cAMP source under agarose. Left: MS2-RFP; Right: Merge with bright field. Images were taken every 15 s and presented at 3 frames/s (fps).