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GrainGenes Gene Report: Lr21 (Triticum)

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Gene
Lr21 (Triticum)  [ Marker Report ]
Synonym
Other nameLr21 (Aegilops)
Gene Class
Reaction to Puccinia recondita Rob. ex Desm.
Pathology
Leaf Rust
Locus
Lr21
Reference
ReferenceHuang L and Gill BS (2001) An RGA-like marker detects all known Lr21 leaf rust resistance gene family members in Aegilops tauschii and wheat Theoretical and Applied Genetics 103:1007-1013.
ReferenceRowland GG and Kerber ER (1974) Telocentric mapping in hexaploid wheat of genes for leaf rust resistance and other characters derived from Aegilops squarrosa. Canadian Journal of Genetics and Cytology 16:137-144.
ReferenceFritz A MAS Wheat. Bringing Genomics to the Wheat Fields. Disease resistance. Leaf Rust Resistance. Lr21 MAS Wheat. Marker Assisted Selection in Wheat.
URL
Protocol for Lr21 at MASwheat
Chromosome
1D
ReferenceKerber ER and Dyck PL (1979) Resistance to stem rust and leaf rust of wheat in Aegilops squarrosa and transfer of a gene for stem rust resistance to hexaploid wheat. Proceedings of the 5th International Wheat Genetics Symposium 358-364.
ReferenceRowland GG and Kerber ER (1974) Telocentric mapping in hexaploid wheat of genes for leaf rust resistance and other characters derived from Aegilops squarrosa. Canadian Journal of Genetics and Cytology 16:137-144.
Chromosome Arm
1DS
ReferenceGill KS et al. (1991) A genetic linkage map of Triticum tauschii (DD) and its relationship to the D genome of bread wheat (AABBDD). Genome 34:362-374.
Germplasm
Hexaploid stockKS04WGRC48
RL5406
Near isogenic stockThatcher*6/Tetra Canthatch/Aegilops squarrosa var. meyeri RL5289
ReferenceDyck PL WGS-95-1333-Ref#209.
Origin
Aegilops squarrosa
Comment
Although Lr21 was reported to be in 1DL (874), more recent results show that such a location is unlikely.
Source of the Lr21 gene for leaf rust resistance in hexaploid wheat is Aegilops squarrosa
Clone
Lr21 GQ504819-1346-C/T
2 Point Data
Lr21/XksuD14
Wheat Gene Catalog Reference
874
ReferenceRowland GG and Kerber ER (1974) Telocentric mapping in hexaploid wheat of genes for leaf rust resistance and other characters derived from Aegilops squarrosa. Canadian Journal of Genetics and Cytology 16:137-144.
Info Source
ReferenceMcIntosh RA et al. (1995) Catalogue of gene symbols for wheat. Proceedings of the 8th International Wheat Genetics Symposium 1333-1500.
Data Curator
Hart, Gary E.95.08.24

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