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GrainGenes Marker Report: Lr46

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Locus
Lr46
Type
Gene
Trait
Chromosome
1B
Chromosome Arm
1BL
Map
Wheat, Yr genes and QTL 1B90
Wheat-Composite2004-1B115
[ Show Nearby Loci ]
Map Data
Wheat, Yr genes and QTL
2 Point Data
Lr46/Xbarc80-1BDistance: 30 cM
Lr46/Xgwm259-1BDistance: 20 cM
Lr46/Xwmc44-1BDistance: 15 cM
Species
Triticum aestivum
Probe
WMC44
Associated Gene
Lr46 (Triticum)
Gene Class
Reaction to Puccinia recondita Rob. ex Desm.
Reference
ReferenceLan CX et al. (2014) QTL characterization of resistance to leaf rust and stripe rust in the spring wheat line Francolin-1 Molecular Breeding 34:789-803.
ReferenceSingh RP et al. (1998) Lr46: A gene conferring slow-rusting resistance to leaf rust in wheat. Phytopathology 88:890-894.
Data Source
Soria, Marcelo A.
Remark
Trait marker Xwmc44-1B
Nearby marker on Composite map: Xwmc44
Position on Composite map estimated by GrainGenes.



Probe for Locus
WMC44
Locus
Xwmc44-1B
[ Show all 6 ]
Reference
ReferenceSomers DJ and Isaac P (2004) SSRs from the Wheat Microsatellite Consortium.
General Remarks
Wheat Microsatellite Consortium Project 1, Plate reference 6e2
Donor: Dubcovsky, Buenos Aires
Location from nullisomic/tetrasomic (Daryl Somers, AgCanada, Feb 2001) : 232 bases located on 1B
AGR61. Trimmed to Rsa1 at 3' end. (GT)35 341 to 410. 5 polymorphic loci.
Type
PCR
SSR
PCR primers
Forward ggTcTTcTgggcTTTgATccTg at 237 length 22 bases, Tm 66
Reverse TgTTgcTAgggAcccgTAgTgg at 457 length 22 bases, Tm 67
SSR size
242 bases expected, Chinese Spring
Amplification Conditions
61C anneal, polymorphic product on agarose; 61C anneal, polymorphic on acrylamide;
Sequence
WMC44
Source Species
Triticum aestivum
Data Source
Somers, Daryl J.2004.06
Isaac, Peter G.2004.06



Gene Associated with Locus
Lr46 (Triticum)
Gene Class
Reaction to Puccinia recondita Rob. ex Desm.
Locus
Lr46
Reference
ReferenceDubcovsky J MAS Wheat. Bringing Genomics to the Wheat Fields. Disease resistance. Leaf Rust Resistance. Lr46 - Yr29 MAS Wheat. Marker Assisted Selection in Wheat.
Chromosome
1B
Chromosome Arm
1BL
Germplasm
Hexaploid stockPARULA
Pavon 76
ReferenceSingh RP et al. (1998) Lr46: A gene conferring slow-rusting resistance to leaf rust in wheat. Phytopathology 88:890-894.
Comment
Like Lr 34, Lr46 is a 'slow rusting' gene, providing non-race-specific partial adult plant resistance. Lr46 is tightly linked or pleiotropic to the stripe rust resistance gene Yr29.
2 Point Data
Lr46/Xbarc80-1B
Lr46/Xgwm259-1B
Lr46/Xwmc44-1B