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Data · dataset · 2021

Data from: The red queen coupled with directional selection favors the evolution of sex

Listed in Borealis and Agri-environmental Research Data Dataverse — shown once because both records carry DOI 10.5683/sp2/kxz50p

Description

Abstract

Why sexual reproduction has evolved to be such a widespread mode of reproduction remains a major question in evolutionary biology. While previous studies have shown that increased sex and recombination can evolve in the presence of host-parasite interactions (the “Red Queen hypothesis” for sex), many of these studies have assumed that multiple loci mediate infection versus resistance. Data suggest, however, that a major locus is typically involved in antigen presentation and recognition.

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Here, we explore a model where only one locus mediates host-parasite interactions, but a second locus is subject to directional selection. Even though the effects of these genes on fitness are independent, we show that increased rates of sex and recombination are favored at a modifier gene that alters the rate of genetic mixing. This result occurs because of selective interference that occurs in finite populations (the “Hill-Robertson effect”), which also favors sex.

These results suggest that the Red Queen hypothesis may help to explain the evolution of sex by contributing a form of persistent selection, which interferes with directional selection at other loci and thereby favors sex and recombination.

Usage notes

CodeforDryad Zip directory containing R code and simulation results associated with paper (including supplementary figures). For details on running the simulations, see readme.txt in directory.

Links

Where it is published

Catalogue records · 1

Topics

Stated by source
Other · Other
Inferred from text
Host-parasite interactions 78% · Simulation 75%
Provenance · 2 source records, 23 field assertions
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Borealisdoi:10.5683/SP2/KXZ50P10 d agoJSON v1
Agri-environmental Research Data Dataversedoi:10.5683/SP2/KXZ50P9 d agoJSON v1
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