Preventing mosquitoes from urinating may help control disease spreadMarch 4th, 2010 - 4:07 pm ICT by ANI
Washington, March 4 (ANI): American researchers have discovered a new protein that may help control disease-spreading mosquitoes.
The study conducted by Cornell scientists has appeared in the March 4, 2010 issue of the American Journal of Physiology - Regulatory, Integrative and Comparative Physiology.
The researchers identified a protein from the renal tubules of Aedes aegypti mosquitoes, which spread the dengue fever causing virus. This particular protein appears to be involved in promoting urination as the mosquitoes feed on blood. When mosquitoes consume and process blood meals, they must urinate to prevent fluid and salt overloads that can kill them.
Moreover, “they have to undergo rapid urination when feeding, or they can’t fly away,” according to Peter Piermarini, the paper’s lead author and a postdoctoral research associate in the lab of Klaus Beyenbach, a professor of biomedical sciences in Cornell’s College of Veterinary Medicine and the paper’s senior author.
Piermarini said: “Too much weight will impair the mosquito’s flight performance, like an aircraft with too much payload. [If they get too heavy,] they may become more susceptible to being swatted by their host or eaten by a predator.”
In lab experiments, Piermarini, Beyenbach and their team demonstrated that blocking the protein’s function in the renal tubules with a drug reverses the enhanced rates of urination that would occur during blood feeding.
Piermarini said: “Thus, blocking the function of this protein in natural populations of mosquitoes may limit their ability to survive the physiological stresses of a blood meal and to further transmit viruses.” (ANI)
- Chemistry of mosquito sex could be key to controlling dengue fever - Mar 20, 2011
- Male mosquitoes' proteins may affect females' behaviour, physiology - Mar 16, 2011
- New discovery could shrink dengue-spreading mosquito population - Dec 03, 2010
- Making mosquitoes pay for every bite - Jul 20, 2011
- Mosquitoes sniff out victims for blood - Jul 03, 2012
- Malaysia release of GM insects 'may create uncontrollable new species' - Jan 27, 2011
- Coming soon: A trap to trick pregnant mosquitoes! - Dec 26, 2010
- Genes of major disease-causing mosquito decoded - Oct 01, 2010
- Lahore dengue toll rises to 36 - Sep 18, 2011
- 'Travel, urbanisation have led to 50-fold rise in dengue cases' - Sep 17, 2012
- Promising new approach to blocking malaria transmission - Dec 05, 2010
- Virus may infect America, warns health group - Mar 04, 2012
- Brazil to breed mosquitoes to fight dengue - Jul 09, 2012
- Bacterium can halt dengue virus transmission - Apr 02, 2010
- Boffins create malaria-proof mosquito - Jul 16, 2010
Tags: american journal of physiology, american researchers, biomedical sciences, blood meal, college of veterinary medicine, comparative physiology, cornell scientists, dengue fever, flight performance, journal of physiology, lab experiments, mosquito, mosquitoes, natural populations, payload, physiological stresses, postdoctoral research associate, renal tubules, s college, urination