The evolution of hermaphroditism by an infectious male-derived cell lineage : an inclusive-fitness analysis
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There has been much recent interest in the role for genetic conflicts to drive the evolution of genetic systems. Here we consider the evolution of hermaphroditism in the scale insect tribe Iceryini and the suggestion that this has been driven by conflict between a female and an infectious male tissue derived from her father. We perform an inclusive-fitness analysis to show that, owing to genetic relatedness between father and daughter, there is scope for collaboration as well as conflict over the establishment of the infectious tissue. We also consider the evolutionary interests of a maternally inherited bacterial symbiont that has been implicated in mediating the tissue's establishment. More generally, our analysis reveals that genetic conflicts can drive the evolution of hermaphroditism.
Gardner , A & Ross , L 2011 , ' The evolution of hermaphroditism by an infectious male-derived cell lineage : an inclusive-fitness analysis ' American Naturalist , vol. 178 , no. 2 , pp. 191-201 . DOI: 10.1086/660823
Copyright 2011 by The University of Chicago
DescriptionThis work was supported by funding from Balliol College, the Royal Society (A.G.), and the University of Groningen (L.R.).
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