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GrainGenes Gene Report: Rht-A1a (Triticum)

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Gene	Rht-A1a (Triticum)
Gene Class	Reduced height
Reference	Wilhelm EP et al. (2013) Genetic characterization and mapping of the Rht-1 homoeologs and flanking sequences in wheat. Theoretical and Applied Genetics 126:1321-1336. Pearce S et al. (2011) Molecular Characterization of Rht-1 Dwarfing Genes in Hexaploid Wheat. Plant Physiology 157:1820-1831. Peng JR et al. (1999) 'Green revolution' genes encode mutant gibberellin response modulators. Nature 400:256-261.
URL	Rht-A1a gene at Komugi: Catalogue of Gene Symbols for Wheat
Chromosome	4A Pearce S et al. (2011) Molecular Characterization of Rht-1 Dwarfing Genes in Hexaploid Wheat. Plant Physiology 157:1820-1831.
Chromosome Arm	4AL Wilhelm EP et al. (2013) Genetic characterization and mapping of the Rht-1 homoeologs and flanking sequences in wheat. Theoretical and Applied Genetics 126:1321-1336.
Germplasm	Hexaploid stock Chinese Spring Peng JR et al. (1999) 'Green revolution' genes encode mutant gibberellin response modulators. Nature 400:256-261.
Comment	All wheats are assumed to be monomorphic (Peng et al., 1999). A functional Rht-A1a allele is expressed at a similar level to its orthologues (Pearce et al., 2011). Mapping: Xwmc48-4AS - 2 cM - Xgwm610-4A -1 cM - Rht-A1 - 2 cM - Xgpw4545-4AL (Wilhelm et al., 2013).
Info Source	McIntosh RA et al. (2013) Catalogue of Gene Symbols for Wheat- 2013 Edition Catalogue of Gene Symbols for Wheat.
Data Curator	Cooper, Laurel Mar-2021

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