ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2006
Rpr1, a gene required for Rpg1-dependent resistance to stem rust in barley.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed, 49 citations in OpenAlex.
- The emerging role of kinase fusion proteins in cereal immunity.Nature genetics · 2026Review
- KitBase Expanded: An Integrated Genomic and Phenotypic Resource for 3,268 Fast-Neutron-Irradiated Rice Mutants.Database : the journal of biological databases and curation · 2026Article
- An affordable and convenient diagnostic marker to identify male and female hop plants.G3 (Bethesda, Md.) · 2023Article
- Tandem Protein Kinases Emerge as New Regulators of Plant Immunity.Molecular plant-microbe interactions : MPMI · 2021Review
- Whole-Genome Sequencing Identifies a Rice Grain Shape Mutant, gs9-1.Rice (New York, N.Y.) · 2019Article
- Characterization of genes required for both Rpg1 and rpg4-mediated wheat stem rust resistance in barley.BMC genomics · 2019Article
- PyramidingFrontiers in plant science · 2018Article
- The early response during the interaction of fungal phytopathogen and host plant.Open biology · 2017Review
- eQTL Regulating Transcript Levels Associated with Diverse Biological Processes in Tomato.Plant physiology · 2016Article
- Molecular and genetic characterization of barley mutants and genetic mapping of mutant rpr2 required for Rpg1-mediated resistance against stem rust.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Genome resilience and prevalence of segmental duplications following fast neutron irradiation of soybean.Genetics · 2014Article
- Transcriptome comparative profiling of barley eibi1 mutant reveals pleiotropic effects of HvABCG31 gene on cuticle biogenesis and stress responsive pathways.International journal of molecular sciences · 2013Article
- Prospects for advancing defense to cereal rusts through genetical genomics.Frontiers in plant science · 2013Article
- Quantitative and qualitative stem rust resistance factors in barley are associated with transcriptional suppression of defense regulons.PLoS genetics · 2011Article
- Phenotypic and genomic analyses of a fast neutron mutant population resource in soybean.Plant physiology · 2011Article
- Article
- A cation/proton-exchanging protein is a candidate for the barley NecS1 gene controlling necrosis and enhanced defense response to stem rust.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2009Article
- Parallel expression profiling of barley-stem rust interactions.Functional & integrative genomics · 2008Article
- Exploiting regulatory variation to identify genes underlying quantitative resistance to the wheat stem rust pathogen Puccinia graminis f. sp. tritici in barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2008Article
- Proteolysis of the barley receptor-like protein kinase RPG1 by a proteasome pathway is correlated with Rpg1-mediated stem rust resistance.Proceedings of the National Academy of Sciences of the United States of America · 2007Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rpg1 is a stem rust resistance gene that has protected barley from severe losses for over 60 years in the US and Canada. It confers resistance to many, but not all, pathotypes of the stem rust fungus Puccinia graminis f. sp. tritici. A fast neutron induced deletion mutant, showing susceptibility to stem rust pathotype Pgt-MCC, was identified in barley cv. Morex, which carries Rpg1. Genetic and Rpg1 mRNA and protein expression level analyses showed that the mutation was a suppressor of Rpg1 and was designated Rpr1 (Required for P. graminis resistance). Genome-wide expression profiling, using the Affymetrix Barley1 GeneChip containing approximately 22,840 probe sets, was conducted with Morex and the rpr1 mutant. Of the genes represented on the Barley1 microarray, 20 were up-regulated and 33 were down-regulated by greater than twofold in the mutant, while the Rpg1 mRNA level remained constant. Among the highly down-regulated genes (greater than fourfold), genomic PCR, RT-PCR and Southern analyses identified that three genes (Contig4901_s_at, HU03D17U_s_at, and Contig7061_s_at), were deleted in the rpr1 mutant. These three genes mapped to chromosome 4(4H) bin 5 and co-segregated with the rpr1-mediated susceptible phenotype. The loss of resistance was presumed to be due to a mutation in one or more of these genes. However, the possibility exists that there are other genes within the deletions, which are not represented on the Barley1 GeneChip. The Rpr1 gene was not required for Rpg5- and rpg4-mediated stem rust resistance, indicating that it shows specificity to the Rpg1-mediated resistance pathway.
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