Movie S2.

Cell attachment and detachment dynamics on the surface of a 1 mM patch. Time series of micrographs showing cells on the surface of the patch loaded with 1 mM tryptone. Cells were tracked over 90 min and color-coded according to their residence time (in minutes; color map shown in the movie). Showing the color code superimposed on the micrographs (left panel) and color code only (right panel).