The genetic diversity and evolution of field pea (Pisum) studied by high throughput retrotransposon based insertion polymorphism (RBIP) marker analysis |
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| Authors: | Runchun Jing Alexander Vershinin Jacek Grzebyta Paul Shaw Petr Smýkal David Marshall Michael J Ambrose TH Noel Ellis Andrew J Flavell |
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| Affiliation: | 1.Division of Plant Sciences,University of Dundee at SCRI,Invergowrie,UK;2.John Innes Centre,Colney,UK;3.Scottish Crop Research Institute,Invergowrie,UK;4.Agritec Plant Research Ltd,Plant Biotechnology Department,?umperk,Czech Republic;5.School of Biological Sciences,University of East Anglia,Norwich,UK;6.Institute of Cytology and Genetics,Novosibirsk,Russia;7.Rothamstead Research,Harpenden,UK |
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| Abstract: | Background The genetic diversity of crop species is the result of natural selection on the wild progenitor and human intervention by ancient and modern farmers and breeders. The genomes of modern cultivars, old cultivated landraces, ecotypes and wild relatives reflect the effects of these forces and provide insights into germplasm structural diversity, the geographical dimension to species diversity and the process of domestication of wild organisms. This issue is also of great practical importance for crop improvement because wild germplasm represents a rich potential source of useful under-exploited alleles or allele combinations. The aim of the present study was to analyse a major Pisum germplasm collection to gain a broad understanding of the diversity and evolution of Pisum and provide a new rational framework for designing germplasm core collections of the genus. |
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