GrainGenes Reference Report: IGP-64-28
Reference
IGP-64-28
Title
Effect of transfer of high molecular weight glutenin subunits encoded at Glu A1 locus of wild Triticum species in Triticum durum
Journal
Indian Journal of Genetics and Plant Breeding
Year
2004
Volume
64
Pages
28-30
Author
Suman S Mahal GS Harjit S
Abstract
The influence of high molecular weight glutenin subunits encoded by Glu A1 locus was analysed by transferring alleles coding for these subunits from 5 different accessions of 2 diploid (T. urartu and T. boeoticum) and a tetraploid (T. dicoccoides) wild progenitor species into T. durum cv. PBW 34 lacking Glu A1 locus. The backcross derivatives carrying novel alleles at Glu A1 locus were selected through SDS-PAGE. The study revealed improvement of gluten strength and protein content in durum wheat derivatives compared to the durum cultivar PBW 34. The SDS value of interspecific derivatives carrying Ax and Ay subunits from T. urartu accession 5301 ranged from 47.5 to 60.0 ml with an average increase of 34% over the durum parent. Addition of novel alleles from 3 accessions of T. dicoccoides resulted in an increase of 11.75 ml SDS value on mean basis. There was also an increase in protein content of durum derivatives from T. urartu, T. boeoticum and T. dicoccoides up to 22.2, 14.0 and 54.0%, respectively
Keyword
allele
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GrainGenes Reference Report: IGP-64-28
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||