Spider gene splice into fungus to kill mosquitoes

Researchers from the University of Maryland used genetic engineering to genetically modify a fungus in order to produce spider toxin that instantly kills mosquitoes.

Spider gene splice into fungus to kill mosquitoesThe fungus that was modified kills mosquitoes in the wild, but is not really quick and leaves the insects with time to infect someone with malaria before dying.

Hence, in order to give it a boost, the researchers engineered it to produce a toxin derived from the venom of the Australian Blue Mountains funnel-web spider, which kills mosquitoes way more quickly.

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The fungus was then tested in a ‘MosquitoSphere “Simply applying the transgenic fungus to a sheet that we hung on a wall in our study area caused the mosquito populations to crash within 45 days,” lead author Brian Lovett said. “And it is as effective at killing insecticide-resistant mosquitoes as non-resistant ones.”

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However, while the technique may have been effective, people worry that releasing a genetically engineered organism into the wild can lead to unforeseen problems.

This study raises several urgent concerns, that “Genetic engineering of fungus could have problematic negative public health impacts and unpredictable ripple effects on ecosystems, affecting pollinators, bats, and bees. Like with all genetic engineering, this needs to be addressed with great caution.”

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