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Comparative genetic diversity in a sample of pony breeds from the UK 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.

Authors

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



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 (USA and Canada) within the last 150 years and subsequently equivalent breed societies were established. We have analysed selected UK and North American equivalent pony populations as a case study for understanding the relationship between putative source and derived sub-populations. Diversity was measured using mitochondrial DNA and a panel of microsatellite markers. Genetic signatures differed between the North American sub-populations 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.

Journal Article Type Article
Publication Date Aug 31, 2015
Journal Ecology and evolution
Electronic ISSN 2045-7758
Publisher Wiley Open Access
Peer Reviewed Peer Reviewed
Volume 5
Issue 16
Pages 3507-3522
Institution Citation WINTON, C.L., PLANTE, Y., HIND, P., MCMAHON, R., HEGARTY, M.J., MCEWAN, N.R., DAVIES-MOREL, M.C.G., MORGAN, C.M., POWELL, W. and NASH, D.M. 2015. Comparative genetic diversity in a sample of pony breeds from the UK and North America: a case study in the conservation of global genetic resources. Ecology and evolution [online], 5(16), pages 3507-3522. Available from: https://doi.org/10.1002/ece3.1562
DOI https://doi.org/10.1002/ece3.1562
Keywords Phylogenetics; Founder effect; Horse; Microsatellite; mtDNA; Conservation; Evolution

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