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Pellicle formation of P. aeruginosa wild-type and mutant strains in borosilicate scintillation vials (28 mm diameter) containing LB medium (A). Relative abundance of P. aeruginosa wild-type (dark grey) and mutant (light grey) strains in competition experiments performed under static conditions (B, WT vs. WTGFP: n=6; others: n=3). Bars represent percentages of strains indicated on the side of the bar. Error bars indicate standard deviation.
