Scientists have finally found malaria’s Achilles’ heel, a neurotoxin that isn’t harmful to any living thing except Anopheles mosquitoes that spread malaria.
Nearly half the world’s population lives in areas vulnerable to malaria which kills roughly 450,000 people per year, most of them children and pregnant women. Progress fighting the disease is threatened as Anopheles develop resistance to chemical insecticides used to control them. There is also great concern about toxic side effects of the chemicals.
About 30 years ago, scientists identified a strain of bacteria that kills Anopheles. Since the bacteria’s method of attack was not understood, it couldn’t be replicated or used as an alternative to chemical insecticides—until now.
An international team led by Sarjeet Gill, distinguished professor of molecular, cell and systems biology at UC Riverside, has identified a neurotoxin produced by the bacteria, and determined how it kills Anopheles. Their work is detailed in a paper published today in Nature Communications.
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