Summary
One-dimensional sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) of reduced total protein extracts from the endosperm of hexaploid wheat revealed a new set of faintly-stained bands, having slower electrophoretic mobility than the high-molecular-weight (HMW) glutenin subunits. These new bands have been termed the E group of glutenin subunits. Analysis of aneuploid stocks of Chinese Spring wheat has shown that three of the E bands, in order of increasing electrophoretic mobility, are controlled by genes on the short arms of chromosomes 1B, 1A and 1D, respectively. The E bands are expressed only in the presence of the long arm of chromosome 1B indicating an interaction between two or more genes involved in their production in wheat endosperm. The gene on the short arm of chromosome 1D controlling an E subunit recombined freely with Tri-D1 and the centromere but not at all with Gli-D1, indicating additional complexity at the Gli-DI locus in wheat.
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Communicated by G. Wenzel
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Gupta, R.B., Shepherd, K.W. Interaction between genes controlling a new group of glutenin subunits in bread wheat. Theoret. Appl. Genetics 74, 459–465 (1987). https://doi.org/10.1007/BF00289821
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DOI: https://doi.org/10.1007/BF00289821