
A joint study conducted by researchers from West Africa, the United States and the United Kingdom suggest that the tendency of inter-mating among a type of mosquito, known as Anopheles gambiae, could lead to more complex forms of species.
The resulting hybrids may have implications for insecticide resistance and malaria parasite infectivity. The study published in the April 2013 issue of the journal GENETICS, documents substantial amounts of hybridization among two separate mosquito types in a large area spanning four countries in sub-Saharan western Africa.
"Our research shows that Anopheles gambiae mosquitoes, which are responsible for most cases of malaria in Africa, are more genetically complex than we thought due to interbreeding," said David J. Conway, Ph.D., one of the researchers from the London School of Hygiene & Tropical Medicine in the United Kingdom, and the Medical Research Council Unit in The Gambia. "Mosquitoes are very good at evolving quickly and this information will help us use existing control methods appropriately and consider possible new tools that will further malaria control efforts in Africa."
"Mosquito-borne illnesses can be a death sentence in developing nations," said Mark Johnston, Editor-in-Chief of the journal GENETICS. "It is crucial that we understand the genetic architecture of mosquito populations so we can develop ways to safeguard people from malaria. This research reveals some of the difficulty of eradicating this disease."
Source: Eurekalert
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