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PhD defence F. de Assis Batista

When:Th 26-09-2019 14:30 - 15:30
Where:Academy Building

The oligomeric protein interference assay method for validation of antimalarial targets

The appearance of multi-drug resistant strains of malaria poses a major challenge to human health and validated drug targets are urgently required. To define a protein's function in vivo and thereby validate it as a drug target, highly specific tools are required that modify protein function with minimal cross-reactivity. While modern genetic approaches often offer the desired level of target specificity, applying these techniques is frequently challenging-particularly in the most dangerous malaria parasite, Plasmodium falciparum. The hypothesis of Fernando Assis Batista is that such challenges can be addressed by incorporating mutant proteins within oligomeric protein complexes of the target organism in vivo. The present study provides data to support our hypothesis by demonstrating that recombinant expression of mutant proteins within P. falciparumleverages the native protein oligomeric state to influence protein function in vivo, thereby providing a rapid validation of potential drug targets. Our data show that interference with aspartate metabolism in vivo leads to a significant hindrance in parasite survival and strongly suggest that enzymes integral to aspartate metabolism are promising targets for the discovery of novel antimalarials.

Promotores: Prof.dr. M.R. Groves and Prof.dr. C. Wrenger

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