Article
Different trajectories of parallel evolution during viral adaptation.
Science (New York, N.Y.) - 16 Jul 1999
Wichman H A, Badgett M R, Scott L A, Boulianne C M, Bull J J
Abstract excerpt
The molecular basis of adaptation is a major focus of evolutionary biology, yet the dynamic process of adaptation has been explored only piecemeal. Experimental evolution of two bacteriophage lines under strong selection led to over a dozen nucleotide changes genomewide in each replicate. At least 96 percent of the amino acid substitutions appeared to be adaptive, and half the changes in one line also occurred in...
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