ArticleG3 (Bethesda, Md.)2012
Introgression and characterization of a goatgrass gene for a high level of resistance to ug99 stem rust in tetraploid wheat.
Article in G3 (Bethesda, Md.), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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Who cites it
43 citing papers in PubMed, 88 citations in OpenAlex.
- Harnessing primary, secondary and tertiary genepools for durable wheat disease resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Review
- Introgression of stem rust resistance gene Sr68 from Thinopyrum junceum into wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Metataxonomic analysis of halophilic archaea community in two geothermal oases in the southern Tunisian Sahara.FEMS microbiology letters · 2025Article
- Enrichment and Diversification of the Wheat Genome via Alien Introgression.Plants (Basel, Switzerland) · 2024Review
- Evaluation and identification of powdery mildew-resistant genes in 137 wheat relatives.Frontiers in genetics · 2024Article
- Whole-genome sequencing uncovers the structural and transcriptomic landscape of hexaploid wheat/Ambylopyrum muticum introgression lines.Plant biotechnology journal · 2023Article
- Genome-wide association mapping of rust resistance inFrontiers in plant science · 2023Article
- Article
- Wheat Genes Associated with Different Types of Resistance against Stem Rust (Pathogens (Basel, Switzerland) · 2022Review
- Function and evolution of allelic variations of Sr13 conferring resistance to stem rust in tetraploid wheat (Triticum turgidum L.).The Plant journal : for cell and molecular biology · 2021Article
- Genomic resources in plant breeding for sustainable agriculture.Journal of plant physiology · 2021Review
- Mapping and Characterization of a Wheat Stem Rust Resistance Gene in Durum Wheat "Kronos".Frontiers in plant science · 2021Article
- Identification and Validation of High LD Hotspot Genomic Regions Harboring Stem Rust Resistant Genes on 1B, 2A (Frontiers in genetics · 2021Article
- Partitioning and physical mapping of wheat chromosome 3B and its homoeologue 3E in Thinopyrum elongatum by inducing homoeologous recombination.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Editorial:Frontiers in plant science · 2020Article
- An Update of Recent Use ofFrontiers in plant science · 2019Article
- Meiotic homoeologous recombination-based mapping of wheat chromosome 2B and its homoeologues in Aegilops speltoides and Thinopyrum elongatum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
- Introgression of Aegilops speltoides segments in Triticum aestivum and the effect of the gametocidal genes.Annals of botany · 2018Article
- Identification and Validation of a Common Stem Rust Resistance Locus in Two Bi-parental Populations.Frontiers in plant science · 2018Article
- Development and Utilization of Introgression Lines Using Synthetic Octaploid Wheat (Frontiers in plant science · 2018Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The transfer of alien genes to crop plants using chromosome engineering has been attempted infrequently in tetraploid durum wheat (Triticum turgidum L. subsp. durum). Here, we report a highly efficient approach for the transfer of two genes conferring resistance to stem rust race Pgt-TTKSK (Ug99) from goatgrass (Aegilops speltoides) to tetraploid wheat. The durum line DAS15, carrying the stem rust resistance gene Sr47 derived from Ae. speltoides, was crossed, and backcrossed, to durum 5D(5B) aneuploids to induce homeologous pairing. After a final cross to 'Rusty' durum, allosyndetic recombinants were recovered. The Ae. speltoides chromosomal segment carrying Sr47 was found to have two stem rust resistance genes. One gene conditioning an infection type (IT) 2 was located in the same chromosomal region of 2BS as Sr39 and was assigned the temporary gene symbol SrAes7t. Based on ITs observed on a diverse set of rust races, SrAes7t may be the same as Sr39. The second gene conditioned an IT 0; and was located on chromosome arm 2BL. This gene retained the symbol Sr47 because it had a different IT and map location from other stem rust resistance genes derived from Ae. speltoides. Allosyndetic recombinant lines carrying each gene on minimal alien chromosomal segments were identified as were molecular markers distinguishing each alien segment. This study demonstrated that chromosome engineering of Ae. speltoides segments is feasible in tetraploid wheat. The Sr47 gene confers high-level and broad spectrum resistance to stem rust and should be very useful in efforts to control TTKSK.
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