CHAMPAIGN, Ill., Nov. 6 (UPI) -- U.S. scientists say they have discovered social interactions can alter the brain's genetic expression far more significantly than has been thought.
University of Illinois researchers said our DNA determines a lot about who we are and how we play with others. "But recent studies of social animals -- birds and bees, among others -- show the interaction between genes and behavior is more of a two-way street than most of us realize," the researchers said.
Professors Gene Robinson and David Clayton of the University of Illinois and Russell Fernald of Stanford University, all co-authors of the new study, said newly sequenced genomes of several social animals, including honey bees and zebra finches, and new technologies such as microarrays, are leading researchers to understand "there is a dynamic relationship between genes and behavior," Robinson said. "Behavior is not etched in the DNA."
An organism's genes, its environment, the social information it receives, "all these things interact," said Clayton. "Experience is constantly coming back in to the level of the DNA and twiddling the dials and the knobs."
The research is reviewed in the journal Science.
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WASHINGTON, Nov. 12 (UPI) --
U.S. President Barack Obama emerged as the world's most powerful man in Forbes magazine's assessment of the world's most powerful people released Thursday.
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NEW YORK, Nov. 12 (UPI) --
U.S. tennis great Andre Agassi bid farewell Wednesday night on "Late Show with David Letterman" to the mullet-style hairpiece he used to wear.
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CAPE CANAVERAL, Fla., Nov. 12 (UPI) --
The six astronauts who will be aboard space shuttle Atlantis on its STS-129 mission began their pre-launch activities at Cape Canaveral, Fla., Thursday.
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