Article
A shift from magnitude to sign epistasis during adaptive evolution of a bacterial social trait.
Evolution; international journal of organic evolution - 1 Sept 2014
Zee Peter C, Mendes-Soares Helena, Yu Yuen-Tsu N, Kraemer Susanne A, Keller Heike, Ossowski Stephan, Schneeberger Korbinian, Velicer Gregory J
Abstract excerpt
Although the importance of epistasis in evolution has long been recognized, remarkably little is known about the processes by which epistatic interactions evolve in real time in specific biological systems. Here, we have characterized how the epistatic fitness relationship between a social gene and an adapting genome changes radically over a short evolutionary time frame in the social bacterium Myxococcus...
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