Comparative RFLP-based genetic maps of barley chromosome 5 (1H) and rye chromosome 1R

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Abstract
A genetic map of barley chromosome 5 (1H) was constructed using DNA markers. Seventeen loci were mapped to 15 locations, and these included the known-function loci (in order from the most distal on the long arm) XAdh (alcohol dehydrogenase), XLec (homologous to wheat germ agglutinin), XHor3 (D-hordein), XPpdk (pyruvate orthophosphate dikinase), centromere, XIcal (chymotrypsin inhibitor), and 6 loci in the B- and C-hordein cluster towards the end of the short arm. The gene order on the barley map agreed closely with that of chromosome 1 of rye. Intervarietal comparisons showed that single-copy cDNA and genomic DNA probes revealed about twice the level of RFLPs found in wheat.