Yerkes and CBN researchers find variations in genetic code affect social behavior
Why are some people shy while others are outgoing? A study in the current issue of Science demonstrates for the first time that social behavior may be shaped by differences in the length of seemingly non-functional DNA, sometimes referred to as junk DNA. The finding by researchers at the Yerkes National Primate Research Center of Emory University and the Atlanta-based Center for Behavioral Neuroscience (CBN) has implications for understanding human social behavior and disorders, such as autism.
In the study, Yerkes and former CBN graduate student Elizabeth A.D. Hammock, PhD, and Yerkes and CBN researcher Larry J. Young, PhD, also of the Department of Psychiatry and Behavioral Sciences at Emory Universitys School of Medicine, examined whether the junk DNA, more formally known as microsatellite DNA, associated with the vasopressin receptor gene affects social behavior in male prairie voles, a rodent species. Previous studies, including Dr. Youngs gene-manipulation study reported in Natures June 17, 2004, issue, have shown the vasopressin receptor gene regulates social behaviors in many species.
Lisa Newbern | EurekAlert!
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