Saturating rye genetic map with amplified fragment length polymorphism (AFLP) and random amplified polymorphic DNA (RAPD) markers
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A linkage map of rye, previously developed using DS2 ? RXL10 F2 mapping population, was enriched with 179 AFLP and 19 RAPD marker loci. The current map covers 1386 cM and contains 480 markers including 200 RFLPs, 179 AFLPs, 88 RAPDs, 12 protein loci and one dwarfing gene. AFLPs generated by EcoRI/MseI primer combinations were distributed over the entire genome as distinct loci or clusters of 2-14 tightly linked DNA fragments. New marker loci mapped distally to the existing framework, significantly increased coverage of chromosomes 1R, 2R and 5R. The average marker distance is now 2.9 cM, but in seven regions the closest markers are still more than 20 cM apart. A detailed description of the newly mapped AFLP and RAPD loci is presented. The relationship with other published rye maps is discussed.
Publication order reference
P. Masojc, Department of Genetics and Plant Breeding, Agricultural University, ul. S?owackiego 17, 71-434 Szczecin, Poland