Thanks scientists for taking mosquitoes from an “annoying” level to now a plot line for a super-villain. Martin Enserink writes on ScienceNOW:
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Here’s a study to file under “unworkable but very cool.” A group of Japanese researchers has developed a mosquito that spreads vaccine instead of disease. Even the researchers admit, however, that regulatory and ethical problems will prevent the critters from ever taking wing — at least for the delivery of human vaccines.
Scientists have dreamed up various ways to tinker with insects’ DNA to fight disease. One option is to create strains of mosquitoes that are resistant to infections with parasites or viruses, or that are unable to pass the pathogens on to humans. These would somehow have to replace the natural, disease-bearing mosquitoes, which is a tall order. Another strategy closer to becoming reality is to release transgenic mosquitoes that, when they mate with wild-type counterparts, don’t produce viable offspring.