Summary
High-molecular-weight (HMW) subunits of glutenin (Glu-1) and gliadins (Gli-1 and Gli-2) were used in assessing phylogenetic relationships between T. tauschii and the D genome of hexaploid wheat. The degree of polymorphism in T. tauschii (D t) for these characters occurred in the order: Glu-D t1 < Gli-D t2 < Gli-D t1; although polymorphism for these traits was quite high, only a limited number of variant forms identified with the Glu-D t1 and Gli-D t1 loci were closely matched to their analogous variants in the D genome of hexaploid wheat. Two-dimensional (LEF X SDS-PAGE) analysis revealed differences between one of the prevalent allelic forms — Glu-D1d — of hexaploid wheat and its corresponding variant in the putative diploid donor, as evident by a relatively more acidic subunit 10 in the latter compared to the former.
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Lagudah, E.S., Halloran, G.M. Phylogenetic relationships of Triticum tauschii the D genome donor to hexaploid wheat. Theoret. Appl. Genetics 75, 592–598 (1988). https://doi.org/10.1007/BF00289125
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DOI: https://doi.org/10.1007/BF00289125