Title |
Fostered and left behind alleles in peanut: interspecific QTL mapping reveals footprints of domestication and useful natural variation for breeding
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Published in |
BMC Plant Biology, February 2012
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DOI | 10.1186/1471-2229-12-26 |
Pubmed ID | |
Authors |
Daniel Fonceka, Hodo-Abalo Tossim, Ronan Rivallan, Hélène Vignes, Issa Faye, Ousmane Ndoye, Márcio C Moretzsohn, David J Bertioli, Jean-Christophe Glaszmann, Brigitte Courtois, Jean-François Rami |
Abstract |
Polyploidy can result in genetic bottlenecks, especially for species of monophyletic origin. Cultivated peanut is an allotetraploid harbouring limited genetic diversity, likely resulting from the combined effects of its single origin and domestication. Peanut wild relatives represent an important source of novel alleles that could be used to broaden the genetic basis of the cultigen. Using an advanced backcross population developed with a synthetic amphidiploid as donor of wild alleles, under two water regimes, we conducted a detailed QTL study for several traits involved in peanut productivity and adaptation as well as domestication. |
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