Last Updated: 08/10/2025

Study of the role of the phosphoinositide phosphatase SAC1 in protein trafficking to the apical complex in the malaria parasite Plasmodium falciparum

Objectives

*Original title in French: Etude du role de la phosphatase de phosphoinositides SAC1 dans le trafic de proteines au complexe apical chez le parasite de la malaria Plasmodium falciparum

This research grant focuses on studying the role of the SAC1 phosphatase in the protein trafficking to the apical complex of the malaria parasite Plasmodium falciparum, which is responsible for the most severe form of malaria.

 

Principal Institution

Laval University (UL), Canada

Principal Investigators / Focal Persons

Audrey Turmel

Rationale and Abstract

Malaria remains one of the most widespread infectious diseases globally. According to the United Nations, nearly 240 million cases and approximately 627,000 deaths were reported across 85 countries in 2020. Beyond its devastating health impact, malaria also poses a significant economic burden worldwide. Among the five Plasmodium species that infect humans, Plasmodium falciparum causes the most severe and virulent form of the disease. The parasite’s life cycle begins in the liver and continues in red blood cells, where replication leads to the characteristic cyclical fevers and multi-organ complications. Despite ongoing efforts, there is still no widely available vaccine, and resistance to existing antimalarial drugs continues to rise, underscoring the urgent need for new therapeutic strategies.

This project focuses on studying the formation of three specialized secretory structures in P. falciparum that produce proteins essential for red blood cell invasion—a critical step in the parasite’s life cycle. Because these structures are indispensable for parasite survival, disrupting their formation presents a promising new antimalarial target. To investigate this, genetic modifications will be performed in cultured parasites, followed by analyses using fluorescence microscopy. In the long term, these findings could contribute to identifying novel therapeutic targets and facilitating the discovery of new antimalarial compounds.

Date

Sep 2023 — Aug 2024

Total Project Funding

$12,828

Funding Details
Project Site

Canada

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