The high molecular weight glutenin subunits (HMW-GS) encoded by Glu-1 loci among 205 accessions of cultivated emmer wheat (Triticum turgidum ssp. dicoccum Schrank) collected from different regions of Europe and China were separated and characterized by SDS-PAGE in combination with two-dimensional gel electrophoresis (A-PA-GE · SDS-PAGE) and acidic capillary electrophoresis. High genetic polymorphisms in HMW-GS compositions were found. A total of 40 alleles (6 for Glu-A1 and 34 for Glu-B1) and 62 subunit combinations (genotypes) were detected, some of which were not previously described. At Glu-A1 locus, two novel alleles, designated Glu-A1x

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