FIG. 1.

(A) Lipid peroxidation induced by increasing concentrations of AMB in A. fumigatus (black columns) and A. terreus (gray columns) hyphae (24-h culture), as measured by the quantification of malonaldehyde (MDA) after 8 h of incubation. Significant differences were seen at high AMB concentrations (5 and 10 μg/ml) (P < 0.01). (B) Hyphal catalase activity of A. fumigatus (black columns) and A. terreus (gray columns). Fungi were incubated at 37°C for 24 and 48 h and tested for catalase activity (*, P < 0.01; **, P < 0.05). Differences between means were analyzed by Student's t test. A P value of <0.05 was considered significant.