ArticlePlant biotechnology journal2017
The Lr34 adult plant rust resistance gene provides seedling resistance in durum wheat without senescence.
Article in Plant biotechnology journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 69 citations in OpenAlex.
- No Cost of Resistance in Wheat Gene Stack Lines Containing 10 Stem Rust Resistance Transgenes.Plant biotechnology journal · 2026Article
- Identification of stripe rust resistance loci in Gansu wheat landraces using genome-wide association analysis.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Wheat's war against stripe rust: Integrating host immunity, genomics and breeding for durable resistance.The plant genome · 2026Review
- Integrative evolutionary and structural modeling of leaf rust resistance genes in wheat (Frontiers in plant science · 2026Article
- Searching for genes determining the APR phenotype in rye.BMC plant biology · 2025Article
- Proteomic analysis of rice mutantFrontiers in plant science · 2025Article
- Fine-mapping of LrN3B on wheat chromosome arm 3BS, one of the two complementary genes for adult-plant leaf rust resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genome wide association study of seedling and adult plant leaf rust resistance in two subsets of barley genetic resources.Scientific reports · 2024Article
- Genetic Basis Identification of aInternational journal of molecular sciences · 2024Article
- Breeding for durable resistance against biotrophic fungal pathogens using transgenes from wheat.Molecular breeding : new strategies in plant improvement · 2024Article
- Introgression of the bread wheat D genome encoded Lr34/Yr18/Sr57/Pm38/Ltn1 adult plant resistance gene into Triticum turgidum (durum wheat).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Resistance that stacks up: engineering rust and mildew disease control in the cereal crops wheat and barley.Plant biotechnology journal · 2023Review
- Fighting wheat powdery mildew: from genes to fields.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Review
- Identification of sources of resistance to scald (Frontiers in plant science · 2023Article
- A reference-anchored oat linkage map reveals quantitative trait loci conferring adult plant resistance to crown rust (Puccinia coronata f. sp. avenae).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Can disease resistance evolve independently at different ages? Genetic variation in age-dependent resistance to disease in three wild plant species.The Journal of ecology · 2022Article
- Mining the Vavilov wheat diversity panel for new sources of adult plant resistance to stripe rust.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Improvement and Re-Evolution of Tetraploid Wheat for Global Environmental Challenge and Diversity Consumption Demand.International journal of molecular sciences · 2022Review
- Variations in exons 11 and 12 of the multi-pest resistance wheat geneFrontiers in plant science · 2022Article
- Discovery of a Novel Leaf Rust (Cells · 2021Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The hexaploid wheat (Triticum aestivum) adult plant resistance gene, Lr34/Yr18/Sr57/Pm38/Ltn1, provides broad-spectrum resistance to wheat leaf rust (Lr34), stripe rust (Yr18), stem rust (Sr57) and powdery mildew (Pm38) pathogens, and has remained effective in wheat crops for many decades. The partial resistance provided by this gene is only apparent in adult plants and not effective in field-grown seedlings. Lr34 also causes leaf tip necrosis (Ltn1) in mature adult plant leaves when grown under field conditions. This D genome-encoded bread wheat gene was transferred to tetraploid durum wheat (T. turgidum) cultivar Stewart by transformation. Transgenic durum lines were produced with elevated gene expression levels when compared with the endogenous hexaploid gene. Unlike nontransgenic hexaploid and durum control lines, these transgenic plants showed robust seedling resistance to pathogens causing wheat leaf rust, stripe rust and powdery mildew disease. The effectiveness of seedling resistance against each pathogen correlated with the level of transgene expression. No evidence of accelerated leaf necrosis or up-regulation of senescence gene markers was apparent in these seedlings, suggesting senescence is not required for Lr34 resistance, although leaf tip necrosis occurred in mature plant flag leaves. Several abiotic stress-response genes were up-regulated in these seedlings in the absence of rust infection as previously observed in adult plant flag leaves of hexaploid wheat. Increasing day length significantly increased Lr34 seedling resistance. These data demonstrate that expression of a highly durable, broad-spectrum adult plant resistance gene can be modified to provide seedling resistance in durum wheat.
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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.