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Malaria parasite increases sexual forms when host conditions worsen

Researchers at the Barcelona Institute for Global Health identified how the malaria parasite detects stress to boost transmission.

How the malaria parasite boosts its transmission potential under stress conditions
File photo How the malaria parasite boosts its transmission potential under stress conditions Photo: Phys.org

Parasite adjusts life cycle under pressure

The malaria parasite Plasmodium falciparum faces competing demands while infecting human blood. It must multiply to sustain the infection or develop into sexual forms for mosquito transmission. When host conditions become unfavorable, the organism shifts resources toward creating these transmissible gametocytes.

New study reveals molecular mechanism

Scientists published findings in Nature Microbiology that explain this specific biological response. The research answers a major unanswered question in malaria research for decades. This discovery clarifies how the parasite detects environmental changes like fever or nutrient shortages.

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