Sexual selection modulates genetic conflicts and patterns of genomic imprinting
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Recent years have seen a surge of interest in linking the theories of kin selection and sexual selection. In particular, there is a growing appreciation that kin selection, arising through demographic factors such as sex-biased dispersal, may modulate sexual conflicts,including in the context of male-female arms races characterized by coevolutionary cycles.However, evolutionary conflicts of interest need not only occur between individuals, but may also occur within individuals, and sex-specific demography is known to foment such intragenomic conflict in relation to social behavior. Whether and how this logic holds in the context of sexual conflict – and, in particular, in relation to coevolutionary cycles – remains obscure. We develop a kin-selection model to investigate the interests of different genes involved in sexual and intragenomic conflict, and we show that consideration of these conflicting interests yields novel predictions concerning parent-of-origin-specific patterns of gene expression and the detrimental effects of different classes of mutation and epimutation at loci underpinning sexually-selected phenotypes.
Faria , G S , Varela , S A M & Gardner , A 2017 , ' Sexual selection modulates genetic conflicts and patterns of genomic imprinting ' Evolution , vol Early View . DOI: 10.1111/evo.13153
© 2016 The Author(s). Evolution published by Wiley Periodicals, Inc. on behalf of The Society for the Study of Evolution. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
This work was supported by Portuguese National Funds, through FCT - Fundação para a Ciência e a Tecnologia, within the project UID/BIA/00329/2013, as well as through GFS PhD Scholarship (SFRH/BD/109726/2015) and through SAMV Post-Doctoral Research Grant (SFRH/BPD/66042/2009), and by a Natural Environment Research Council Independent Research Fellowship (AG, Grant Number NE/K009524/1).
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