ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
Characterization of Lr75: a partial, broad-spectrum leaf rust resistance gene in wheat.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 115 citations in OpenAlex.
- A transmembrane protein confers the Yr26/Yr24/YrCH42/YrG22-mediated stripe rust resistance in wheat.Nature communications · 2026Article
- Genetic dissection of leaf rust resistance in a diversity panel of tetraploid wheat (Triticum turgidum).BMC plant biology · 2025Article
- Characterization of a new Lr52 allele for leaf rust resistance in the Iranian wheat landrace PI 622111.The plant genome · 2025Article
- Identification of leaf rust resistance loci in hard winter wheat using genome-wide association mapping.The plant genome · 2025Article
- Resistance that stacks up: engineering rust and mildew disease control in the cereal crops wheat and barley.Plant biotechnology journal · 2023Review
- Multiplex PCR assay for the simultaneous identification of race specific and non-specific leaf resistance genes in wheat (Triticum aestivum L.).Journal of applied genetics · 2023Article
- Mapping and characterization of a novel adult-plant leaf rust resistance gene LrYang16G216 via bulked segregant analysis and conventional linkage method.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Identification of leaf rust resistance loci in a geographically diverse panel of wheat using genome-wide association analysis.Frontiers in plant science · 2023Article
- An Update on Resistance Genes and Their Use in the Development of Leaf Rust Resistant Cultivars in Wheat.Frontiers in genetics · 2022Review
- Genome-Wide Screening of Broad-Spectrum Resistance to Leaf Rust (Frontiers in plant science · 2022Article
- The Emergence of New Aggressive Leaf Rust Races with the Potential to Supplant the Resistance of Wheat Cultivars.Biology · 2021Article
- Mining of Leaf Rust Resistance Genes Content in Egyptian Bread Wheat Collection.Plants (Basel, Switzerland) · 2021Article
- A membrane-bound ankyrin repeat protein confers race-specific leaf rust disease resistance in wheat.Nature communications · 2021Article
- An Affordable Image-Analysis Platform to Accelerate Stomatal Phenotyping During Microscopic Observation.Frontiers in plant science · 2021Article
- Comparative Transcriptome Analysis of Wheat Lines in the Field Reveals Multiple Essential Biochemical Pathways Suppressed by Obligate Pathogens.Frontiers in plant science · 2021Article
- Molecular identification of slow rusting resistance Lr46/Yr29 gene locus in selected triticale (× Triticosecale Wittmack) cultivars.Journal of applied genetics · 2020Article
- Training instance segmentation neural network with synthetic datasets for crop seed phenotyping.Communications biology · 2020Article
- Article
- Breeding Wheat for Durable Leaf Rust Resistance in Southern Africa: Variability, Distribution, Current Control Strategies, Challenges and Future Prospects.Frontiers in plant science · 2020Review
- Application of Genomics Tools in Wheat Breeding to Attain Durable Rust Resistance.Frontiers in plant science · 2020Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
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Abstract
key messageHere, we describe a strategy to improve broad-spectrum leaf rust resistance by marker-assisted combination of two partial resistance genes. One of them represents a novel partial adult plant resistance gene, named Lr75. Leaf rust caused by the fungal pathogen Puccinia triticina is a damaging disease of wheat (Triticum aestivum L.). The combination of several, additively-acting partial disease resistance genes has been proposed as a suitable strategy to breed wheat cultivars with high levels of durable field resistance. The Swiss winter wheat cultivar 'Forno' continues to show near-immunity to leaf rust since its release in the 1980s. This resistance is conferred by the presence of at least six quantitative trait loci (QTL), one of which is associated with the morphological trait leaf tip necrosis. Here, we used a marker-informed strategy to introgress two 'Forno' QTLs into the leaf rust-susceptible Swiss winter wheat cultivar 'Arina'. The resulting backcross line 'ArinaLrFor' showed markedly increased leaf rust resistance in multiple locations over several years. One of the introgressed QTLs, QLr.sfr-1BS, is located on chromosome 1BS. We developed chromosome 1B-specific microsatellite markers by exploiting the Illumina survey sequences of wheat cv. 'Chinese Spring' and mapped QLr.sfr-1BS to a 4.3 cM interval flanked by the SSR markers gwm604 and swm271. QLr.sfr-1BS does not share a genetic location with any of the described leaf rust resistance genes present on chromosome 1B. Therefore, QLr.sfr-1BS is novel and was designated as Lr75. We conclude that marker-assisted combination of partial resistance genes is a feasible strategy to increase broad-spectrum leaf rust resistance. The identification of Lr75 adds a novel and highly useful gene to the small set of known partial, adult plant leaf rust resistance genes.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.