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GrainGenes Allele Report: Rht-B1c (Triticum)

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Allele	Rht-B1c (Triticum)
Synonym	Other name Rht3 Hu ML (1974) Genetic analyses of semidwarfing and insensitivity to gibberellin GA3 in hexaploid wheat (Triticum aestivum L. em Thell.). Sd3 Hu ML (1974) Genetic analyses of semidwarfing and insensitivity to gibberellin GA3 in hexaploid wheat (Triticum aestivum L. em Thell.).
Reference	Pearce S et al. (2011) Molecular Characterization of Rht-1 Dwarfing Genes in Hexaploid Wheat. Plant Physiology 157:1820-1831. Wu J et al. (2011) Dominant and Pleiotropic Effects of a GAI Gene in Wheat Results from a Lack of Interaction between DELLA and GID1. Plant Physiology 157:2120-2130. Boerner A et al. (1996) The relationship between the dwarfing genes of wheat and rye. Euphytica 89:69-75. Morris R et al. (1972) Chromosomal Location of a Dwarfing Gene in a 'Tom Thumb' Wheat Derivative by Monosomic Analysis. Crop Science 12:247-249.
Gene Class	Reduced height
Gene	Rht-B1 (Triticum)
Germplasm	Hexaploid stock Minister Dwarf Gale MD and Marshall GA (1973) Insensitivity to Gibberellin in Dwarf Wheats. Annals of Botany 37:729-735. [ Show all 9 ]
Comment	Mapping information: Xmwg634-4B (distal) - 30.6 cM - Rht-B1c - 11.9 cM - Xpsr144-4B (proximal) (Boerner et al., 1997) Allele-specific markers were designed from the gene sequence. The Rht-B1c transcript carries a 90 bp in-frame insertion within the region encoding the conserved N-terminal DELLA domain plus two SNPs upstream of the insertion. A much larger insertion occurs in the g-DNA (Pearce et al., 2011). Rht-B1c carries a 2,026-bp insertion of a terminal repeat transposons in miniature (TRIM) insertion at position 147 bp relative to Rht-B1a; this leads to an additional 30 amino acids in the DELLA domain affecting affinity between GID1 and DELLA (Wu et al., 2011).
Phenotype	Semi-dominant (Morris et al., 1972)
Probe	Rht-B1_160IND Rht-B1_197IND Rht-B1_SNP TraesCS4B02G043100
URL	Rht-B1c allele at Komugi: Catalogue of Gene Symbols for Wheat
Info Source	McIntosh RA et al. (2013) Catalogue of Gene Symbols for Wheat- 2013 Edition Catalogue of Gene Symbols for Wheat. McIntosh RA et al. (2019) Catalogue of Gene Symbols for Wheat- 2019 Supplement Catalogue of Gene Symbols for Wheat.
Data Curator	Cooper, Laurel Apr-2021

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