Parallel adaptation of rabbit populations to myxoma virus

Joel M. Alves*, Miguel Carneiro, Jade Y. Cheng, Ana Lemos de Matos, Masmudur M. Rahman, Liisa Loog, Paula F. Campos, Nathan Wales, Anders Eriksson, Andrea Manica, Tanja Strive, Stephen C. Graham, Sandra Afonso, Diana J. Bell, Laura Belmont, Jonathan P. Day, Susan J. Fuller, Stéphane Marchandeau, William J. Palmer, Guillaume QueneyAlison K. Surridge, Filipe G. Vieira, Grant McFadden, Rasmus Nielsen, M. Thomas P. Gilbert, Pedro J. Esteves, Nuno Ferrand, Francis M. Jiggins

*Corresponding author for this work
    34 Citations (Scopus)

    Abstract

    In the 1950s the myxoma virus was released into European rabbit populations in Australia and Europe, decimating populations and resulting in the rapid evolution of resistance. We investigated the genetic basis of resistance by comparing the exomes of rabbits collected before and after the pandemic. We found a strong pattern of parallel evolution, with selection on standing genetic variation favoring the same alleles in Australia, France, and the United Kingdom. Many of these changes occurred in immunity-related genes, supporting a polygenic basis of resistance. We experimentally validated the role of several genes in viral replication and showed that selection acting on an interferon protein has increased the protein’s antiviral effect.

    Original languageEnglish
    JournalScience
    Volume363
    Issue number6433
    ISSN0036-8075
    DOIs
    Publication statusPublished - 22 Mar 2019

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