Phosphorylation-Dependent Assembly of a 14-3-3 Mediated Signaling Complex during Red Blood Cell Invasion by Plasmodium falciparum Merozoites
Kunal R. More, Inderjeet Kaur, Quentin Giai Gianetto, Brandon M. Invergo, Thibault Chaze, Ravi Jain, Christèle Huon, Petra Gutenbrunner, Hendrik Weisser, Mariette Matondo, Jyoti S. Choudhary, Gordon Langsley, Shailja Singh, Chetan E. Chitnis
Abstract
merozoites is a complex process that is regulated by intricate signaling pathways. Here, we used phosphoproteomic profiling to identify the key proteins involved in signaling events during invasion. We found changes in the phosphorylation of various merozoite proteins, including multiple kinases previously implicated in the process of invasion. We also found that a phosphorylation-dependent multiprotein complex including signaling kinases assembles during the process of invasion. Disruption of this multiprotein complex impairs merozoite invasion of RBCs, providing a novel approach for the development of inhibitors to block the growth of blood-stage malaria parasites.