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Alleles at storage protein loci in Triticum spelta L. accessions and their occurrence in related wheats
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SUMMARY. Variation at eight storage protein loci was analyzed in the collection of T. spelta accessions from the National Centre of Plant Genetic Resources of Ukraine, most of which are European spelts. The analysis allowed identification of seven alleles at the Gli-B1 locus, five alleles at the Gli-A1 and Glu-B1 loci, three alleles at the Gli-A3 locus, two at the Gli-D1, Gli-B5, Glu-A1, and Glu-D1 loci. The majority of alleles are encountered among common wheat cultivars, only five alleles were specific for spelts. The high frequency of the alleles Gli-B1hs* and h encoding the 45-type γ-gliadin in European spelts and durum wheat cultivars, as well as the occurrence of these alleles in T. dicoccum, in particular, in accessions from Switzerland and Germany, supports von Büren's hypothesis that European spelt resulted from hybridization between a tetraploid wheat with the 45-type γ-gliadin and a hexaploid wheat. Analysis of genetic distances based on the genotypes at eight storage protein loci permitted differentiation of the Asian spelt accession from European spelts.
Tsitologiya i Genetika 2014, vol. 48, no. 1, pp. 41-51
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