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GrainGenes Reference Report: TAG-104-632

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Reference	TAG-104-632
Title	Molecular mapping, phenotypic expression and geographical distribution of genes determining anthocyanin pigmentation of coleoptiles in wheat (Triticum aestivum L.)
Journal	Theoretical and Applied Genetics
Year	2002
Volume	104
Pages	632-637
Author	Khlestkina EK Pestsova EG Roder MS Borner A
Abstract	Summary: Three major gene loci determining the anthocyanin pigmentation of coleoptiles were mapped on the short arms of chromosomes 7A, 7B and 7D, respectively. All three genes map about 15 to 20 cM distal from the centromere and, therefore, it may be concluded that they are members of a homoeologous series and should be designated Rc-A1, Rc-B1 and Rc-D1, respectively. Further homoeologous loci exist in Triticum durum, Triticum tauschii, and most probably in Secale cereale and Hordeum vulgare. By analyzing a synthetic x cultivated wheat cross (ITMI mapping population) under different environmental conditions it was shown that the expression of the genes determining anthocyanin pigmentation of the coleoptiles varies. One additional locus was detected on chromosome 4BL. Beside the mapping data, results of a screening for red coleoptile color genes in 468 mainly European wheat varieties are presented
External Databases	https://doi.org/10.1007/s00122-001-0788-x
Allele	Rc-B1a (Triticum) Rc-D1a (Triticum)
Gene	Rc-B1 (Triticum) Rc-D1 (Triticum)
Germplasm	Chinese Spring*6/Hope 7B TRI15010 TRI12732
Map Data	Wheat, 2002, coleoptile color
Keyword	[ Hide all but 1 of 42 ] 20 30 anthocyanin anthocyanin pigmentation arms centromere chromosome coleoptile coleoptile color color cross durum environmental gene genetic mapping geographical distribution geographical-distribution group-7 homoeology hordeum hordeum vulgare locus major gene map mapping marker member microsatellite molecular mapping pigmentation population red screening secale secale cereale short arms tauschii triticum triticum aestivum triticum tauschii wheat varieties wheat-varieties

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