FIG. 2.

SLO affects metabolic activity in MDMs but not in conidia. MDMs and conidia were incubated with SLO (20 μg/ml) in PBS–0.1% BSA for the indicated times (x axis). Subsequently, the metabolic activity was assessed by formazan formation (optical density at 550 nm; y axis) by a menadione-augmented MTT test. The metabolic activity in MDMs (■) decreased by 90% but was unaffected in conidia (░⃞). A relative formazan formation value of 1 corresponds to 100%; values are given as means ± standard errors of the means from three independent experiments. ∗, P < 0.05.