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GrainGenes Reference Report: TAG-90-1149

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Reference
TAG-90-1149
Title
Inheritance of B subunits of glutenin and omega- and gamma-gliadins in tetraploid wheats
Journal
Theoretical and Applied Genetics
Year
1995
Volume
90
Pages
1149-1157
Author
Liu C
Shepherd K
Abstract
A double-1RS wheat-rye translocation line lacking all B subunits of glutenin was produced in durum wheat cv 'Langdon' for use in backcrosses and testcrosses in the study of the inheritance of low-molecular-weight (LMW) glutenin subunits in tetraploid wheats The B subunits of glutenin and gamma and omega-gliadin bands present in parents derived from Triticum durum and T dicoccoides, encoded by Glu-3 and Gli-1 loci, respectively, were found to be inherited mainly as units (blocks), as reported previously Two rare recombination events between the Glu-A3 and Gli-A1 loci were detected in testcross progeny from 'Edmore' X T. dicoccoides landrace 19-27. Several rare recombinants were also detected within the 1BS-controlled B subunits of glutenin blocks, suggesting that there are two separate tightly linked loci (3.07+/-1.35 cM) within the Glu-B3 'locus'. Evidence was also obtained for the presence of an additional locus coding for a B subunit of glutenin in 'Edmore' that is loosely linked (20.9+/-3.1 18%) with the main Glu-B3 'locus'.
Keyword
gli-1-locus
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