Retrotransposon-based insertion polymorphisms (RBIP) for high throughput marker analysis
Two assays based upon PCR detection of a polymorphic PDR1 retrotransposon insertion in Pisum sativum have been developed. Both methods involve PCR with primers derived from the transposon and flanking DNA. The first method uses a dot assay for PCR product detection which could be fully automated for handling thousands of samples. The second method, which is designed to handle lower numbers, requires a single PCR and gel lane per sample. Both methods yield co-dominant markers, with presence and absence of the transposon insertion independently scorable, and both could in principle be applied to any transposable element in any plant species.
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