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GrainGenes Reference Report: TAG-90-1042

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Reference	TAG-90-1042
Title	RFLP analysis of an Aegilops ventricosa chromosome that carries a gene conferring resistance to leaf rust (Puccinia recondita) when transferred to hexaploid wheat
Journal	Theoretical and Applied Genetics
Year	1995
Volume	90
Pages	1042-1048
Author	[ Hide all but 1 of 9 ] Bonhomme A Gale MD Koebner RMD Nicholas P Jahier J Bernard M Gale M Koebner R Nicolas P
Type	Article
Abstract	RFLP analysis has been used to characterise XM(v), a chromosome of Aegilops ventricosa present in a disomic addition line of wheat. This chromosome is known to carry a major gene conferring resistance to leaf rust (Lr). The analysis demonstrated that XM(v) is translocated with respect to the standard wheat genome, and consists of a segment of the short arm of homoeologous group 2 attached to a group 6 chromosome lacking a distal part of the short arm. Lr was located to the region of XM(v) with homoeology to 2S by analysis of a leaf rust-susceptible deletion line that was found to lack the entire 2S segment. Confirmation and refinement of the location of Lr was obtained by analysis of a spontaneous resistant translocation in which a small part of XM(v) had been transferred to wheat chromosome 2A.
Keyword	aegilops ventricosa [ Show all 12 ]
Gene Catalogue Number	9545
Cited in	McIntosh RA et al. (1995) Catalogue of gene symbols for wheat, 1995 supplement Annual Wheat Newsletter.

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