The effect of RBC suspension supernatant on whole-cell current recordings in P falciparum–infected RBCs. (A) Current recording of an infected RBC, V_H = 0 mV. (B) Current recording 15 minutes after addition of 0.4 mL supernatant to the 2-mL bath. (C) I-V curves derived from the data in panels A (○) and B(□), averaged with 5 additional experiments. Current data are shown as the mean (SEM) and, where not shown, error bars lie within the symbols.