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In the last 30 years, a number of DNA fingerprinting methods such as RFLP, RAPD, AFLP, SSR, DArT, have been extensively used in marker development for molecular plant breeding. However, it remains a daunting task to identify highly polymorphic and closely linked molecular markers for a target trait for molecular marker-assisted selection. The next-generation sequencing (NGS) technology is far more powerful than any existing generic DNA fingerprinting methods in generating DNA markers. In this study, we employed a grain legume crop Lupinus angustifolius (lupin) as a test case, and examined the utility of an NGS-based method of RAD (restriction-site associated DNA) sequencing as DNA fingerprinting for rapid, cost-effective marker development tagging a disease resistance gene for molecular breeding.
Pubmed ID: 22805587 RIS Download
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Software application that can be used for the ordering of loci on genetic linkage maps. The method is based on minimisation of the total number of recombination events. Since the criterion does not require intensive calculations, the algorithm rapidly produces an optimal ordering as well as a series of near-optimal ones. The latter provides insight into the local certainty of ordering along the map. RECORD can deal with the following types of mapping populations: BC1, F2, F3, RILs (in fact any generation obtained by repeated selfing of a hybrid between homozygous parents). Data files are .LOC JoinMap format. Mapping populations from non-inbreds should be split into BC1 or HAP data that represent the maternal and paternal gametes. (entry from Genetic Analysis Software)
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