Figure 3. Adhesion capacity and biofilm formation, on polystyrene flat-bottom plates at different incubation times, of Rhodotorula mucilaginosa. A) Evaluation of cell viability by count of Colony Forming Units (CFU); B) Evaluation of metabolic activity by reduction of XTT; C) Evaluation of the production of extracellular matrix by Violet Crystal. *statistical difference in time among all isolates; **statistical difference over time for two isolates.