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Environment drives genetics in 'Evolution Canyon'; discovery sheds light on climate change
Date:12/11/2013

Michalak said. "We need some good indicators of genomic changes induced by climate changes. People have ways to cope unlike those of other organisms, but stress-resistance mechanisms are well-conserved in nature. The basic question of how organisms adapt to stressful environments is going to be more important in the years ahead. It affects us as a whole."

The research confirms that natural selection the process in nature where organisms genetically adapt to their surroundings is a powerful influence in the canyon.

"It is nice to see the molecular work finally completed, and that the molecular signal confirms the phenotypic data: There is divergence between the two slopes," said Marta L. Wayne, a professor of biology at the University of Florida and a member of the UF Genetics Institute, who was not involved in the research. "This is interesting because the slopes are close enough that we know animals travel between them, yet selection is so strong that there are differences between animals on the two slopes. This is really strong natural selection."


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Contact: John Pastor
jdpastor@vt.edu
540-231-5646
Virginia Tech
Source:Eurekalert

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