Title |
Construction and application for QTL analysis of a Restriction Site Associated DNA (RAD) linkage map in barley
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Published in |
BMC Genomics, January 2011
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DOI | 10.1186/1471-2164-12-4 |
Pubmed ID | |
Authors |
Yada Chutimanitsakun, Rick W Nipper, Alfonso Cuesta-Marcos, Luis Cistué, Ann Corey, Tanya Filichkina, Eric A Johnson, Patrick M Hayes |
Abstract |
Linkage maps are an integral resource for dissection of complex genetic traits in plant and animal species. Canonical map construction follows a well-established workflow: an initial discovery phase where genetic markers are mined from a small pool of individuals, followed by genotyping of selected mapping populations using sets of marker panels. A newly developed sequence-based marker technology, Restriction site Associated DNA (RAD), enables synchronous single nucleotide polymorphism (SNP) marker discovery and genotyping using massively parallel sequencing. The objective of this research was to assess the utility of RAD markers for linkage map construction, employing barley as a model system. Using the published high density EST-based SNP map in the Oregon Wolfe Barley (OWB) mapping population as a reference, we created a RAD map using a limited set of prior markers to establish linakge group identity, integrated the RAD and prior data, and used both maps for detection of quantitative trait loci (QTL). |
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