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GrainGenes Marker Report: Rht12

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Locus	Rht12
Type	Gene
Chromosome	5A
Chromosome Arm	5AL
Map	Ta-Gale-5A 121.5
	[ Show Nearby Loci ]
Map Data	Wheat, Gale
Associated Gene	Rht12 (Triticum)
Gene Class	Reduced height
Gene Associated with Locus	Rht12 (Triticum)
Gene Class	Reduced height
Locus	Rht12
Reference	Sun L et al. (2019) A wheat dominant dwarfing line with Rht12, which reduces stem cell length and affects gibberellic acid synthesis, is a 5AL terminal deletion line. The Plant Journal 97:887-900. Korzun V et al. (1997) Intrachromosomal mapping of genes for dwarfing (Rht12) and vernalization response (Vrn1) in wheat using RFLP and microsatellite markers. Plant Breeding 116:227-232. Konzak CF (1987) Mutations and mutation breeding. Wheat and Wheat Improvement 428-443. Sutka J and Kovacs G (1987) Chromosomal location of dwarfing gene Rht12 in wheat. Euphytica 36:521-523. Worland AJ (1986) Gibberellic acid insensitive dwarfing genes in southern European wheats. Euphytica 35:857-866.
URL	Rht12 gene at Komugi: Catalogue of Gene Symbols for Wheat
Chromosome	5A Sutka J and Kovacs G (1987) Chromosomal location of dwarfing gene Rht12 in wheat. Euphytica 36:521-523.
Germplasm	Hexaploid stock Karcagi 522M7K Konzak CF et al. (1984) Progress in the evaluation, use in breeding, and genetic analysis of semidwarf mutants in wheat. Semi-dwarf Cereal Mutants and their Use in Cross Breeding II 39-50. Near isogenic stock N98-2105, Yangmai 5*5/Karcagi 522M7K Sun L et al. (2019) A wheat dominant dwarfing line with Rht12, which reduces stem cell length and affects gibberellic acid synthesis, is a 5AL terminal deletion line. The Plant Journal 97:887-900.
Comment	Dominant (Sutka and Kovacs, 1987) Rht12 is located distally on 5AL cosegregating with B1 and closely linked to b-Amy-A1. Maps to bin 5AL-23, based on co-segregation with B1 (Worland, 1986). Rht12 delayed ear emergence by 6 days (Worland, 1986). Mapping information: Xgwm291-5A - 5.4 cM - Rht12 (Korzun et al., 1997). The Rht12 phenotype is due to deletion of a 10.73-Mb terminal deletion of chromosome 5AL. Reduced plant height might be due to activation of TaGA2ox-A14 (Sun et al., 2019).
Info Source	McIntosh RA et al. (1995) Catalogue of gene symbols for wheat. Proceedings of the 8th International Wheat Genetics Symposium 1333-1500. McIntosh RA et al. (2013) Catalogue of Gene Symbols for Wheat- 2013 Edition Catalogue of Gene Symbols for Wheat. McIntosh RA et al. (2020) Catalogue of Gene Symbols for Wheat- 2020 Supplement Catalogue of Gene Symbols for Wheat.
Data Curator	Cooper, Laurel May-2021 Hart, Gary E. 95.08.24

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