Veiga, M Isabel; Dhingra, Satish K; Henrich, Philipp P; Straimer, Judith; Gnädig, Nina; Uhlemann, Anne-Catrin; Martin, Rowena E; Lehane, Adele M; Fidock, David A
Antimalarial chemotherapy, globally reliant on artemisinin-based combination therapies (ACTs), is threatened by the spread of drug resistance in Plasmodium falciparum parasites. Here we use zinc-finger nucleases to genetically modify the multidrug resistance-1 transporter PfMDR1 at amino acids 86 and 184, and demonstrate that the widely prevalent N86Y mutation augments resistance to the ACT partner drug amodiaquine and the former first-line agent chloroquine. In contrast, N86Y increases...[Show more]
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