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Standard Membrane Feeding Assay for the Detection of Plasmodium falciparum Infection in Anopheles Mosquito Vectors
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Targeting Iron Homeostasis Curtails Mosquito Fertility and Plasmodium Transmission Potential
Chiging Tupe1, Rahul Pasupareddy2, Shruti Bhatt3
1Birla Institute of Technology and Science Pilani, Hyderabad Campus, Hyderabad 500078, India.
ACS Infectious Diseases
|March 18, 2026
Summary
Mosquito ferritin, crucial for iron storage and reproduction, has unique heme-binding properties. Targeting iron metabolism with agents like β-thujaplicin offers a novel strategy for malaria transmission control.
Area of Science:
- Biochemistry
- Parasitology
- Entomology
Background:
- Iron metabolism is vital for mosquito reproduction and Plasmodium parasite development.
- Mosquito ferritin, a key iron regulator, lacks biochemical and functional characterization in hematophagous insects.
- The host-parasite iron competition axis is an underexplored target for malaria control.
Purpose of the Study:
- To biochemically and functionally characterize mosquito ferritin.
- To investigate the role of ferritin in mosquito physiology and reproduction.
- To identify novel transmission-blocking agents targeting iron homeostasis.
Main Methods:
- Computational and phylogenetic analyses of mosquito ferritin.
- Functional knockdown of ferritin heavy-chain subunit in Anopheles stephensi.
- Screening of chelators for Plasmodium transmission-blocking activity.
Main Results:
- Mosquito ferritin exhibits a unique chimeric architecture with high heme-binding affinity.
- Ferritin knockdown severely impairs reproductive tissue development in Anopheles stephensi.
- β-thujaplicin effectively suppresses Plasmodium oocyst development, acting as a transmission-blocking agent.
Conclusions:
- Mosquito ferritin is an evolutionarily distinct and physiologically essential protein.
- Iron homeostasis represents a promising dual-target axis for next-generation malaria transmission control.
- Targeting mosquito ferritin and iron metabolism offers a novel strategy against malaria.
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