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Disruption of a cysteine protease that localizes to the vacuolar compartment of Toxoplasma gondii shows that autophagy is required for the intracellular survival of the parasite during chronic infection.
Apicomplexans are parasites that use membrane transporters to scavenge essential nutrients from the host. Here the authors identify and characterize two apicomplexans transporters showing that these are crucial for cationic amino acid uptake, parasite survival and virulence.
Protozoan parasites produce extracellular vesicles to communicate with the host and within the parasite population. In this Progress article, Hajduk and colleagues review the production and effects of extracellular vesicles from parasites, including Plasmodium spp., Trichomonas vaginalis and kinetoplastids.
The antimalarial mefloquine has been used in the clinic for decades, yet its mode of action has remained elusive. Now, a study reports that the enantiomer (+)-mefloquine binds to the cytosolic ribosome of the major malaria parasite Plasmodium falciparum.