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GrainGenes Reference Report: PBR-122-209

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Reference	PBR-122-209
Title	Mapping of the Vrn-B1 gene in Triticum aestivum using microsatellite markers
Journal	Plant Breeding
Year	2003
Volume	122
Pages	209-212
Author	Leonova I [ Show all 6 ]
Abstract	Summary: An F2 population segregating for the dominant gene Vrn-B1 was developed from the cross of the substitution line 'Diamant'/'Mironovskaya 808 5A' and the winter wheat cultivar 'Bezostaya 1'. Microsatellite markers (Xgwm and Xbarc) with known map locations on chromosome 5B of common wheat were used for mapping the gene Vrn-B1. Polymorphism between parental varieties was observed for 28 out of 34 microsatellite markers (82%). Applying the quantitative trait loci mapping approach, the target gene was mapped on the long arm of chromosome 5B, closely linked to Xgwm408. The map position of Vrn-B1 suggests that the gene is homoeologous to other vernalization response genes located on the homoeologous group 5 chromosomes of wheat, rye and barley
Allele	Vrn-B1a (Triticum)
Gene	Vrn-B1 (Triticum)
Keyword	[ Hide all but 1 of 36 ] barley bread wheat chromosome chromosome 5a common wheat cultivar f-2 population flowering time gene gene mapping growth locus long arm major genes map mapping polymorphism population position quantitative quantitative trait loci rflp rye substitution substitution line trait trait loci triticum vernalization vernalization requirement vernalization response vernalization response genes vrn-b1 vrn1 winter winter habit

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