News From the Field Poison: It's What's for Dinner
April 5, 2009
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As the U.S. Southwest grew warmer from 18,700 to 10,000 years ago, juniper trees vanished from what is now the Mojave Desert, robbing packrats of their favorite food. Now, University of Utah biologists have narrowed the hunt for detoxification genes that let the rodents eat toxic creosote bushes that replaced juniper. The researchers have identified 24 candidate genes.
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Source University of Utah
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