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A consensus map of rapeseed (Brassica napus L.) based on diversity array technology markers: applications in genetic dissection of qualitative and quantitative traits

 

Harsh Raman, Rosy Raman, Andrzej Kilian, Frank Detering, Yan Long, David Edwards, Isobel AP Parkin, Andrew G Sharpe, Matthew N Nelson, Nick Larkan, Jun Zou, Jinling Meng, M Naveed Aslam, Jacqueline Batley, Wallace A Cowling and Derek Lydiate

 

 

Dense consensus genetic maps based on high-throughput genotyping platforms are valuable for making genetic gains in Brassica napus through quantitative trait locus identification, efficient predictive molecular breeding, and map-based gene cloning. This report describes the construction of the first B. napus consensus map consisting of a 1,359 anchored array based genotyping platform; Diversity Arrays Technology (DArT), and non-DArT markers from six populations originating from Australia, Canada, China and Europe. We aligned the B. napus DArT sequences with genomic scaffolds from Brassica rapa and Brassica oleracea, and identified DArT loci that showed linkage with qualitative and quantitative loci associated with agronomic traits.

 

 

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Article made possible through the contribution of Harsh Raman et. Al. and Biomed Central.

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