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    The genomic ancestry, landscape genetics, and invasion history of introduced mice in New Zealand

    Veale, Andrew; Russell, J.C.; King, C. M.

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    Date
    2018-01-24
    Citation:
    Veale, A.J., Russell, J.C., & King, C.M. (2018). The genomic ancestry, landscape genetics, and invasion history of introduced mice in New Zealand. Royal Society Open Science, 5(1), 1-19. doi:10.1098/rsos.170879
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/4350
    Abstract
    The house mouse (Mus musculus) provides a fascinating system for studying both the genomic basis of reproductive isolation, and the patterns of human-mediated dispersal. New Zealand has a complex history of mouse invasions, and the living descendants of these invaders have genetic ancestry from all three subspecies, although most are primarily descended from M. m. domesticus. We used the GigaMUGA genotyping array (approximately 135 000 loci) to describe the genomic ancestry of 161 mice, sampled from 34 locations from across New Zealand (and one Australian city—Sydney). Of these, two populations, one in the south of the South Island, and one on Chatham Island, showed complete mitochondrial lineage capture, featuring two different lineages of M. m. castaneus mitochondrial DNA but with only M. m. domesticus nuclear ancestry detectable. Mice in the northern and southern parts of the North Island had small traces (approx. 2–3%) of M. m. castaneus nuclear ancestry, and mice in the upper South Island had approximately 7–8% M. m. musculus nuclear ancestry including some Y-chromosomal ancestry—though no detectable M. m. musculus mitochondrial ancestry. This is the most thorough genomic study of introduced populations of house mice yet conducted, and will have relevance to studies of the isolation mechanisms separating subspecies of mice.
    Keywords:
    house mouse (Mus musculus), mitochondrial capture, subspecies hybridization, sterility, invasion, phylogeography, New Zealand
    ANZSRC Field of Research:
    060411 Population, Ecological and Evolutionary Genetics, 050103 Invasive Species Ecology

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    Available Online at:
    https://figshare.com/collections/Supplementary_material_from_The_genomic_ancestry_landscape_genetics_and_invasion_history_of_introduced_mice_in_New_Zealand_/3969144
    ORCID Author Profiles
    • https://orcid.org/0000-0002-9405-272X
    Rights:
    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use. These documents or images may be used for research or private study purposes. Whether they can be used for any other purpose depends upon the Copyright Notice above. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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    • Natural Sciences Journal Articles [148]

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