Antagonistic experimental coevolution with a parasite increases host recombination frequency |
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| Authors: | Niels AG Kerstes Camillo Bérénos Paul Schmid-Hempel K Mathias Wegner |
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| Institution: | 1.ETH Zürich, Institute of Integrative Biology, Experimental Ecology,Zürich,Switzerland;2.University of Edinburgh, Institute of Evolutionary Biology,Edinburgh,UK;3.Leibniz Institute for Marine Sciences (IfM-Geomar),Evolutionary Ecology of Marine Fishes,Kiel,Germany;4.Wadden Sea Station Sylt,Alfred Wegener Institute for Polar and Marine Sciences,List/Sylt,Germany |
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| Abstract: | Background One of the big remaining challenges in evolutionary biology is to understand the evolution and maintenance of meiotic recombination.
As recombination breaks down successful genotypes, it should be selected for only under very limited conditions. Yet, recombination
is very common and phylogenetically widespread. The Red Queen Hypothesis is one of the most prominent hypotheses for the adaptive
value of recombination and sexual reproduction. The Red Queen Hypothesis predicts an advantage of recombination for hosts
that are coevolving with their parasites. We tested predictions of the hypothesis with experimental coevolution using the
red flour beetle, Tribolium castaneum, and its microsporidian parasite, Nosema whitei. |
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