Health
Mosquitoes who can't hear the ears stop sex
Scientists believe they have found a strange way to fight mosquitoes such as dengue fever, yellow fever, and Zika fever. The idea is to make male insects deaf, making it difficult for them to mate and reproduce.
Mosquitoes perform sexual acts while flying through the air, with males relying on their hearing to chase females based on the attractive sound of their wings.
The researchers conducted an experiment to change the genetic pathway by which male mosquitoes use this hearing. As a result, even after spending three days in the same cage, there was no physical contact with the female.
Female mosquitoes can help people from giving birth to children, as they can get sick.
The research team at the California University Urbine has studied Nettai Shimaka, which spreads viruses to about 400 million a year.
They carefully observed insect's aerial mating habits (can last a few seconds to a minute), and find ways to destroy them using genetic sciences.
They targeted a protein called TRPVA, which seems to be essential for hearing.
In a mutated mosquito, neurons usually involved in sound detection did not respond to the mosquito flight sounds or sounds that could be a mating partner.
The mesmerizing noise was deafening.
In contrast, the wild (non -mutated) male mixed quickly and over again and fertilized with almost all females in the cage.
Researchers at the University of California Santa Barbara Research results were presented to Journal PNASsaid the effect of the gene knockout was “absolute” because mating by deaf males was completely eliminated.
Dr. Yelk Albert, the University of Oldenburg in Germany, was a mosquito mating expert, and I asked what he thought of this study.
He stated that attacking the sense of sound is a promising means for control of mosquitoes, but needs to be researched and managed.
“This study provides the first direct molecular test, suggesting that hearing is not only important for mosquitoes, but also essential.
“Without the male's sense of hearing and auditory tracking ability, female mosquitoes may become extinct.”
The other method is being considered is to release infertility male in areas where mosquitoes have spread frequently.
Mosquitoes can transmit illness, but they occupy the important part of the food chain as a source of nutrition such as fish, birds, bats, and frogs, and some are important pollen mediators.
Sources 2/ https://www.bbc.com/news/articles/c207gvrn65do The mention sources can contact us to remove/changing this article |
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