Article
Positive selection acting on splicing motifs reflects compensatory evolution.
Genome research - 1 Apr 2008
Ke Shengdong, Zhang Xiang H-F, Chasin Lawrence A
Abstract excerpt
We have used comparative genomics to characterize the evolutionary behavior of predicted splicing regulatory motifs. Using base substitution rates in intronic regions as a calibrator for neutral change, we found a strong avoidance of synonymous substitutions that disrupt predicted exonic splicing enhancers or create predicted exonic splicing silencers. These results attest to the functionality of the hexameric...
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