Comparative genetic diversity in a sample of pony breeds from the U.K. and North America: a case study in the conservation of global genetic resources

Clare L Winton, Yves Plante, Pamela Hind, Robert McMahon, Matthew J Hegarty, Neil R McEwan, Mina C G Davies-Morel, Charly M Morgan, Wayne Powell, Deborah M Nash

    Research output: Contribution to journalArticleResearchpeer-review

    3 Citations (Scopus)

    Abstract

    Most species exist as subdivided ex situ daughter population(s) derived from a single original group of individuals. Such subdivision occurs for many reasons both natural and manmade. Traditional British and Irish pony breeds were introduced to North America (U.S.A. and Canada) within the last 150 years, and subsequently equivalent breed societies were established. We have analyzed selected U.K. and North American equivalent pony populations as a case study for understanding the relationship between putative source and derived subpopulations. Diversity was measured using mitochondrial DNA and a panel of microsatellite markers. Genetic signatures differed between the North American subpopulations according to historical management processes. Founder effect and stochastic drift was apparent, particularly pronounced in some breeds, with evidence of admixture of imported mares of different North American breeds. This demonstrates the importance of analysis of subpopulations to facilitate understanding the genetic effects of past management practices and to lead to informed future conservation strategies.

    Original languageEnglish
    Pages (from-to)3507-22
    Number of pages16
    JournalEcology and Evolution
    Volume5
    Issue number16
    Early online date31 Jul 2015
    DOIs
    Publication statusFirst published - 31 Jul 2015

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    North America
    Founder Effect
    Practice Management
    Mitochondrial DNA
    Microsatellite Repeats
    Population
    Canada

    Cite this

    Winton, Clare L ; Plante, Yves ; Hind, Pamela ; McMahon, Robert ; Hegarty, Matthew J ; McEwan, Neil R ; Davies-Morel, Mina C G ; Morgan, Charly M ; Powell, Wayne ; Nash, Deborah M. / Comparative genetic diversity in a sample of pony breeds from the U.K. and North America: a case study in the conservation of global genetic resources. In: Ecology and Evolution. 2015 ; Vol. 5, No. 16. pp. 3507-22.
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    abstract = "Most species exist as subdivided ex situ daughter population(s) derived from a single original group of individuals. Such subdivision occurs for many reasons both natural and manmade. Traditional British and Irish pony breeds were introduced to North America (U.S.A. and Canada) within the last 150 years, and subsequently equivalent breed societies were established. We have analyzed selected U.K. and North American equivalent pony populations as a case study for understanding the relationship between putative source and derived subpopulations. Diversity was measured using mitochondrial DNA and a panel of microsatellite markers. Genetic signatures differed between the North American subpopulations according to historical management processes. Founder effect and stochastic drift was apparent, particularly pronounced in some breeds, with evidence of admixture of imported mares of different North American breeds. This demonstrates the importance of analysis of subpopulations to facilitate understanding the genetic effects of past management practices and to lead to informed future conservation strategies.",
    author = "Winton, {Clare L} and Yves Plante and Pamela Hind and Robert McMahon and Hegarty, {Matthew J} and McEwan, {Neil R} and Davies-Morel, {Mina C G} and Morgan, {Charly M} and Wayne Powell and Nash, {Deborah M}",
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    Winton, CL, Plante, Y, Hind, P, McMahon, R, Hegarty, MJ, McEwan, NR, Davies-Morel, MCG, Morgan, CM, Powell, W & Nash, DM 2015, 'Comparative genetic diversity in a sample of pony breeds from the U.K. and North America: a case study in the conservation of global genetic resources', Ecology and Evolution, vol. 5, no. 16, pp. 3507-22. https://doi.org/10.1002/ece3.1562

    Comparative genetic diversity in a sample of pony breeds from the U.K. and North America: a case study in the conservation of global genetic resources. / Winton, Clare L; Plante, Yves; Hind, Pamela; McMahon, Robert; Hegarty, Matthew J; McEwan, Neil R; Davies-Morel, Mina C G; Morgan, Charly M; Powell, Wayne; Nash, Deborah M.

    In: Ecology and Evolution, Vol. 5, No. 16, 31.07.2015, p. 3507-22.

    Research output: Contribution to journalArticleResearchpeer-review

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    AU - McEwan, Neil R

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    AU - Nash, Deborah M

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