Article
Episodic adaptive evolution of primate lysozymes.
Nature - 9 Jan 1997
Messier W, Stewart C B
Abstract excerpt
Although the darwinian concept of adaptation was established nearly a century ago, it has been difficult to demonstrate rigorously that the amino-acid differences between homologous proteins from different species have adaptive significance. There are currently two major types of sequence tests for positive darwinian selection on proteins from different species: sequence convergence, and neutral rate violation...
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