RAPD Analysis of the Genome in Species of the Genus Hordeum
Tóm tắt
Random amplification of polymorphic DNA (RAPD) was used to analyze six species, three populations, and seven regional cultivars of barley. A unique pattern of amplified DNA products was obtained for each species of the genus Hordeum.High polymorphism of barley species was revealed. Specific fragments were found in most RAPD patterns; the fragments can be used as molecular markers of corresponding species and subspecies. Several other DNA fragments were shown to serve as molecular markers of the H genome. Specific RAPD patterns were obtained for each population and each cultivar of H. vulgaresensu lato. In total, variation between the populations and between the cultivars was substantially lower than between species. Cluster analysis (UPGMA) was used to estimate genetic distances between theHordeumspecies, between the H. spontaneumpopulations, and between regional H. vulgarecultivars and a dendrogram was constructed.
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