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GrainGenes Reference Report: TAG-113-801

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Reference	TAG-113-801
Title	Comparative mapping of genes for glume colouration and pubescence in hexaploid wheat (Triticum aestivum L.).
Journal	Theoretical and Applied Genetics
Year	2006
Volume	113
Pages	801-807
Author	Khlestkina EK [ Show all 6 ]
Abstract	Microsatellite markers were used to map the major genes Bg (determining black glume colour), Rg1 and Rg3 (red glume), and a locus determining smokey-grey coloured glume to the distal ends of the short arms of the homoeologous group 1 chromosomes, proximally (or closely linked) to Xgwm1223 and distal to Xgwm0033. On this basis, we propose that these genes represent a set of homoeoloci, designated Rg-A1, Rg-B1, and Rg-D1. Rg3 and Bg appear to be variant alleles of Rg-A1. Both Rg3 and Bg are closely linked with the major glume pubescence gene Hg. Similarly, the hexaploid wheat smokey-grey glume gene and Rg2 represent alleles at Rg-D1. The microsatellite markers linked to the Rg genes were used to analyse a phenotypically and genotypically characterized set of Siberian spring wheats. A coincidence between the presence of the 264-bp allele of Xgwm0136 and Rg-A1b (Rg3) was observed; so Xgwm0136 can probably be used as a diagnostic marker for this gene.
External Databases	DOI: 10.1007/s00122-006-0331-1
Gene	Rg-A1 (Triticum) Rg-B1 (Triticum) Rg-D1 (Triticum)
Cited in	McIntosh RA et al. (2013) Catalogue of Gene Symbols for Wheat- 2013 Edition Catalogue of Gene Symbols for Wheat.

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