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PAO1 outcompetes PA14 in a dispersal regime. (A) Graphical summary of dispersal experiment regime (top) and representative images of biofilms in serially inoculated chambers (bottom). (B) The frequency of PAO1 in dispersal experiments through serially inoculated chambers with intervening 20-h incubations. All error bars denote standard deviations (n = 9 nonoverlapping image stacks from 4 separate microfluidic chambers).
