Intracellular fate of vacuoles containing Toxoplasma gondii is determined at the time of formation and depends on the mechanism of entry
Authors
Discussion
Loading...
Member takes
Implication
Randomized trial investigates how the entry mechanism affects Toxoplasma fate in macrophages, suggesting differing pathways.
Key Points
- This research aims to understand how Toxoplasma gondii's fate inside macrophages varies based on its entry mechanism.
- Characterized intracellular fate of Toxoplasma in macrophages via immunofluorescence.
- Compared phagocytosis and active invasion modes of Toxoplasma uptake.
- Tracked the acquisition of endocytic markers through time-lapse imaging.
- Phagosome maturation was rapid, completing within 15 min post-infection with transferrin receptor and mannose 6-phosphate receptor appearing at different times.
- Parasitophorous vacuoles from active invasion did not acquire markers for endocytic fusion or regulatory proteins.
- Toxoplasma evades endocytosis due to the absence of host regulatory proteins in the primary vacuole.
Cite This Study
Mordue et al. (1997) studied this question.