A M researcher studying the genes of mosquitoes
College Station (USA) Texas AM University researchers study the genes of the species of mosquito, Aedes aegypti, vector of dengue and yellow fever, hoping to keep deadly mosquito-borne diseases at bay. Dr. Patricia Pietrantonio, associate professor of entomology with the Texas Agricultural Experiment Station, leads a team of researchers studying the hormone-driven mechanism, excrete waste mosquitoes. This research has far-reaching implications for the discovery of new alternatives for pest control, Pietrantonio said.Currently, a human vaccine against yellow fever exists, but none for dengue. The researchers hope that research shows that women created the system with a diuretic response during and after a mosquito blood meal. Aedes aegypti reproduce feeding during the day
and need a blood meal. The blood meal triggers vitellogenesis (formation of an egg yolk) and oogenesis (egg formation). to feed on humans and animals, and if the blood meal is a success, then start to play, said Pietrantonio.They may lay eggs in a day or two, and then can be fed back. female reproductive potential is very important.How mosquitoes feed, they begin a clear liquid out very quickly. Diuresis or urine output is very fast. If they are still swollen, they are very poor and vulnerable groups affected by a human or eaten by a predator of flying, she said. We want to know how the mosquito rids itself of all the water so fast. It is a very complex process. The researchers cloned the genes of mosquitoes and studies of cell receptors, proteins in cell membranes in the
transfer of information from one region to another cell involved.The process is regulated by hormones.Hormones are released from the brain and nervous system, bind to the receptors and that these tissues to activate a series of proteins that ultimately cause fluid secretion. If we stop the hormonal communication, the tissues do not know what to do, he said. In this case, an insecticide targeting hormone receptors
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