Breakthroughs

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    Hello! Welcome to Breakthroughs, a site devoted to sharing with you the latest, greatest advancements from the College of Science at Oregon State University. From breakthroughs in research to transformational philanthropy to interesting tidbits from the daily life of the College, we'll post frequently to keep you up-to-date. Please visit often and absolutely let us know what you might like to learn more about. Enjoy, and of course, GO BEAVS!
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Biological clocks of insects could lead to more effective pest control

Posted by The College of Science at OSU on August 21, 2009

“We found that it took triple the dose of one pesticide to have the same lethal effect on fruit flies at the time of day their defenses were strongest, compared to when they were weakest,” said Louisa Hooven, a postdoctoral fellow in the OSU Department of Zoology and lead author on the study. “A different pesticide took twice the dose. This makes it pretty clear that the time of day of an exposure to a pesticide can make a huge difference in its effectiveness.”

The new findings, the OSU researchers said, are also another example of how circadian rhythms are important in other detoxification systems in biology.

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