Article
Range Expansion Compromises Adaptive Evolution in an Outcrossing Plant.
Current biology : CB - 21 Aug 2017
González-Martínez Santiago C, Ridout Kate, Pannell John R
Abstract excerpt
Neutral genetic diversity gradients have long been used to infer the colonization history of species [1, 2], but range expansion may also influence the efficacy of natural selection and patterns of non-synonymous polymorphism in different parts of a species' range [3]. Recent theory predicts both an accumulation of deleterious mutations and a reduction in the efficacy of positive selection as a result of range...
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