Genes discovered for sensing carbon dioxide

By Christen Brownlee, 15:56 PM April 15, 2008

Researchers have tracked down a pair of genes that, together, seem responsible for some insects' ability to sense carbon dioxide. Because mosquitoes detect the gas to home in on their next blood meal, a means to block this sense could lead to more-effective mosquito repellents.

To locate the carbon dioxide–sensing genes, Leslie Vosshall of the Rockefeller Institute in New York and her colleagues worked with Drosophila melanogaster. Other researchers had previously found that carbon dioxide–se...

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