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Introgression dynamics from invasive pigs into wild boar following the March 2011 natural and anthropogenic disasters at Fukushima

Proceedings of the Royal Society. B, Biological sciences, 2021-06, Vol.288 (1953), p.20210874 [Peer Reviewed Journal]

2021 The Authors. 2021 ;ISSN: 0962-8452 ;EISSN: 1471-2954 ;DOI: 10.1098/rspb.2021.0874 ;PMID: 34187197

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  • Title:
    Introgression dynamics from invasive pigs into wild boar following the March 2011 natural and anthropogenic disasters at Fukushima
  • Author: Anderson, Donovan ; Negishi, Yuki ; Ishiniwa, Hiroko ; Okuda, Kei ; Hinton, Thomas G ; Toma, Rio ; Nagata, Junco ; Tamate, Hidetoshi B ; Kaneko, Shingo
  • Subjects: Animals ; Disasters ; Ecology ; Fukushima Nuclear Accident ; Hybridization, Genetic ; Japan ; Sus scrofa - genetics ; Swine
  • Is Part Of: Proceedings of the Royal Society. B, Biological sciences, 2021-06, Vol.288 (1953), p.20210874
  • Description: Natural and anthropogenic disasters have the capability to cause sudden extrinsic environmental changes and long-lasting perturbations including invasive species, species expansion and influence evolution as selective pressures force adaption. Such disasters occurred on 11 March 2011, in Fukushima, Japan, when an earthquake, tsunami and meltdown of a nuclear power plant all drastically reformed anthropogenic land use. Using genetic data, we demonstrate how wild boar ( ) have persevered against these environmental changes, including an invasion of escaped domestic pigs ( ). Concurrently, we show evidence of successful hybridization between pigs and native wild boar in this area; however in future offspring, the pig legacy has been diluted through time. We speculate that the range expansion dynamics inhibit long-term introgression and introgressed alleles will continue to decrease at each generation while only maternally inherited organelles will persist. Using the gene flow data among wild boar, we assume that offspring from hybrid lineages will continue dispersal north at low frequencies as climates warm. We conclude that future risks for wild boar in this area include intraspecies competition, revitalization of human-related disruptions and disease outbreaks.
  • Publisher: England: The Royal Society
  • Language: English
  • Identifier: ISSN: 0962-8452
    EISSN: 1471-2954
    DOI: 10.1098/rspb.2021.0874
    PMID: 34187197
  • Source: MEDLINE
    PubMed Central
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