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GrainGenes Marker Report: Iw2 (Triticum)

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Gene	Iw2 (Triticum)
Gene Class	Glaucousness
Locus	Iw2
Reference	Saluja M et al. (2018) Molecular mapping of linked leaf rust resistance and non-glaucousness gene introgressed from Aegilops tauschii Coss. in hexaploid wheat Triticum aestivum L. Plant Genetic Resources 16:82-88. [ Show all 7 ]
URL	Iw2 gene at Komugi: Catalogue of Gene Symbols for Wheat
Chromosome Arm	2DS Tsunewaki K and Ebana K (1999) Production of near-isogenic lines of common wheat for glaucousness and genetic basis of this trait clarified by their use. Genes & Genetic Systems 74:33-41.
Germplasm	Hexaploid stock Golden Ball Synthetic Tsunewaki K and Ebana K (1999) Production of near-isogenic lines of common wheat for glaucousness and genetic basis of this trait clarified by their use. Genes & Genetic Systems 74:33-41. Synthetic hexaploid line 3672 Johnson EB et al. (2008) Mapping the compactum locus in wheat (Triticum aestivum L.) and its relationship to other spike morphology genes of the Triticeae Euphytica 163:193-201. TA4152-60 Wu H et al. (2013) Comparative High-Resolution Mapping of the Wax Inhibitors Iw1 and Iw2 in Hexaploid Wheat. PLoS ONE 8:e84691. Vernal Synthetic Tsunewaki K and Ebana K (1999) Production of near-isogenic lines of common wheat for glaucousness and genetic basis of this trait clarified by their use. Genes & Genetic Systems 74:33-41. Near isogenic stock S615/Golden Ball Synthetic//10-*S615 Tsunewaki K and Ebana K (1999) Production of near-isogenic lines of common wheat for glaucousness and genetic basis of this trait clarified by their use. Genes & Genetic Systems 74:33-41.
Comment	Tsunewaki, (1966) observed non-glaucous forms of Ae. tauschii. Mapping information: bin: 2DS5-0.47-1.00 (Johnson et al., 2008). In Ae. tauschii: Iw2 - 30.1 cM - Xgdm35-2DS (Watanabe et al., 2005). Xbarc124-2D - 0.9 cM - Iw2 - 1.4 cM - Xwe6 (AL731727) (Liu et al., 2007) ; Xcfd56-2D - 6 cM - Iw2 - 10 cM - Xcfd51-2D (Johnson et al., 2008). Mapping information: In Ae. tauschii: Iw2 - 30.1 cM - Xgdm35-2DS (Watanabe et al., 2005); Xbarc124-2D - 0.9 cM - Iw2 - 1.4 cM - Xwe6 (AL731727) (Liu et al., 2007); Xcfd56-2D - 6 cM - Iw2 - 10 cM - Xcfd51-2D (Johnson et al., 2008). Mapping information: Co-segregation with BF474014 and CJ876545 and flanked by CJ886319 and CJ519831 within a 4.4 cM interval (Wu et al., 2013); bin: 2DS5-0.84-1.00. See Saluja et al. (2018) for additional mapping information.
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. (2016) Catalogue of Gene Symbols for Wheat- 2015-2016 Supplement Catalogue of Gene Symbols for Wheat. McIntosh RA et al. (2018) Catalogue of Gene Symbols for Wheat- 2018 Supplement Catalogue of Gene Symbols for Wheat.
Data Curator	Cooper, Laurel June-2021
Locus Associated with Gene	Iw2
Type	Trait
Chromosome	2D
Map	Wheat-2008-Corrigin-CS(T2D)-2D 6 Wheat-Composite2004-2D 9
	[ Show Nearby Loci ]
Map Data	Wheat 2008, Corrigin x CS(T2D), C gene
Species	Triticum aestivum
Probe	BARC124
Associated Gene	Iw2 (Triticum)
Gene Class	Glaucousness
Remark	Trait marker Xbarc124-2D Nearby marker on Composite map: Xbarc124.2 Position on Composite map estimated by GrainGenes.

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