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GrainGenes Allele Report: Rg-A1d (Triticum)

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Allele
Rg-A1d (Triticum)
Synonym
Other nameBgb (Triticum)
ReferenceDubcovsky J et al. (1996) Genetic map of diploid wheat, Triticum monococcum L., and its comparison with maps of Hordeum vulgare L. Genetics 143:983-999.
Reference
ReferenceSikka SM et al. (1961) Inheritance of some morphological characters in intervarietal crosses of Triticum aestivum L. Journal of the Indian Botanical Society 40:217-233.
Gene Class
Red glumes
Gene
Rg-A1 (Triticum)
Germplasm
Diploid stockG3116
ReferenceDubcovsky J et al. (1996) Genetic map of diploid wheat, Triticum monococcum L., and its comparison with maps of Hordeum vulgare L. Genetics 143:983-999.
Comment
At the diploid level Rg-A1c (Bga) and Rg-A1d (Bgb) were determinant and caused a solid black glume and a black line at the margins of the glume, respectively (Dubcovsky et al., 1996).
A single factor for black glumes was reported in diploid, tetraploid and hexaploid wheats (Sikka et al, 1961). Linkage with Hg was demonstrated at all levels of ploidy, indicating a common gene on chromosome 1A; Bg is epistatic to Rg.
URL
Rg-A1d allele at Komugi: Catalogue of Gene Symbols for Wheat
Info Source
ReferenceMcIntosh RA et al. (2013) Catalogue of Gene Symbols for Wheat- 2013 Edition Catalogue of Gene Symbols for Wheat.
Data Curator
Cooper, LaurelJuly-2021

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