🔬Researchers Image Malaria Parasite's Invasion Portal
Scientists reveal how malaria slips into red blood cells
TL;DR
Researchers at Columbia University have imaged the moving junction used by the malaria parasite to invade red blood cells. This breakthrough could lead to new treatments, as the process takes less than a minute and involves four key proteins.
Researchers at Columbia University have imaged the moving junction used by the malaria parasite to invade red blood cells. This breakthrough could lead to new treatments, as the process takes less than a minute and involves four key proteins. Understanding how Plasmodium invades and proliferates inside red blood cells is crucial for developing drugs that can disrupt this process. Cryo-electron microscopy was used to probe the four individual protein units in each anchor, revealing the intricate mechanism that allows the parasite to slip through the cell membrane unnoticed. This discovery could be a game-changer in the fight against malaria, which still kills approximately 600,000 people each year.
Key Points
Researchers used cryo-electron microscopy to image the moving junction, revealing four protein units in each anchor.
Plasmodium injects three proteins into the red blood cell, forming a dense wedge beneath the membrane surface.
A fourth protein connects this structure to the invader, allowing the parasite to slip through the cell membrane.
The moving junction forms a continuous portal in the host cell membrane for the parasite to travel through.
Once inside, the cell membrane seals up behind the parasite, completing the invasion process.
Why It Matters
Understanding the moving junction mechanism is crucial for developing drugs that can disrupt the malaria parasite's invasion process. This could lead to new treatments that save lives, especially in regions where malaria is rampant. For researchers and medical professionals working on malaria, this discovery provides a clear target for intervention.
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