ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2014
Development and characterization of wheat lines carrying stem rust resistance gene Sr43 derived from Thinopyrum ponticum.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed.
- The illusion of progress: why most introgressions from wild Triticeae fail to improve wheat agronomically.Frontiers in plant science · 2026Review
- Development and Characterization of Wheat-Plants (Basel, Switzerland) · 2025Article
- Introgression of stem rust resistance gene Sr68 from Thinopyrum junceum into wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Homoeologous recombination-based transfer and cytological mapping of the novel powdery mildew resistance gene Pm7C from Aegilops caudata.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Establishment of a set of St-group wheat-Frontiers in plant science · 2025Article
- Cytogenetic identification and molecular mapping for the wheat-Thinopyrum ponticum introgression line with resistance to Fusarium head blight.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Development of novel wheat-rye 6RS small fragment translocation lines with powdery mildew resistance and physical mapping of the resistance gene PmW6RS.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- The wheat stem rust resistance gene Sr43 encodes an unusual protein kinase.Nature genetics · 2023Article
- Intelligent reprogramming of wheat for enhancement of fungal and nematode disease resistance using advanced molecular techniques.Frontiers in plant science · 2023Review
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- Physical mapping of a new powdery mildew resistance locus fromFrontiers in plant science · 2023Article
- Establishment and identification of six wheat-Thinopyrum ponticum disomic addition lines derived from partial amphiploid Xiaoyan 7430.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Mapping of the novel powdery mildew resistance gene Pm2Mb from Aegilops biuncialis based on ph1b-induced homoeologous recombination.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Harnessing the hidden allelic diversity of wild Cicer to accelerate genomics-assisted chickpea crop improvement.Molecular biology reports · 2022Review
- Characterization of Two Wheat-Frontiers in plant science · 2022Article
- Uncovering candidate genes involved in photosynthetic capacity using unexplored genetic variation in Spring Wheat.Plant biotechnology journal · 2021Article
- Plant NLR diversity: the known unknowns of pan-NLRomes.The Plant cell · 2021Review
- Chromosomal composition analysis and molecular marker development for the novel Ug99-resistant wheat-Thinopyrum ponticum translocation line WTT34.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- The wheat Sr22, Sr33, Sr35 and Sr45 genes confer resistance against stem rust in barley.Plant biotechnology journal · 2021Article
- Identification and Validation of High LD Hotspot Genomic Regions Harboring Stem Rust Resistant Genes on 1B, 2A (Frontiers in genetics · 2021Article
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10 authors.
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Abstract
key messageWheat lines carrying Ug99-effective stem rust resistance gene Sr43 on shortened alien chromosome segments were produced using chromosome engineering, and molecular markers linked to Sr43 were identified for marker-assisted selection. Stem rust resistance gene Sr43, transferred into common wheat (Triticum aestivum) from Thinopyrum ponticum, is an effective gene against stem rust Ug99 races. However, this gene has not been used in wheat breeding because it is located on a large Th. ponticum 7el(2) chromosome segment, which also harbors genes for undesirable traits. The objective of this study was to eliminate excessive Th. ponticum chromatin surrounding Sr43 to make it usable in wheat breeding. The two original translocation lines KS10-2 and KS24-1 carrying Sr43 were first analyzed using simple sequence repeat (SSR) markers and florescent genomic in situ hybridization. Six SSR markers located on wheat chromosome arm 7DL were identified to be associated with the Th. ponticum chromatin in KS10-2 and KS24-1. The results confirmed that KS24-1 is a 7DS·7el(2)L Robertsonian translocation as previously reported. However, KS10-2, which was previously designated as a 7el(2)S·7el(2)L-7DL translocation, was identified as a 7DS-7el(2)S·7el(2)L translocation. To reduce the Th. ponticum chromatin carrying Sr43, a BC(2)F(1) population (Chinese Spring//Chinese Spring ph1bph1b*2/KS10-2) containing ph1b-induced homoeologous recombinants was developed, tested with stem rust, and genotyped with the six SSR markers identified above. Two new wheat lines (RWG33 and RWG34) carrying Sr43 on shortened alien chromosome segments (about 17.5 and 13.7 % of the translocation chromosomes, respectively) were obtained, and two molecular markers linked to Sr43 in these lines were identified. The new wheat lines with Sr43 and the closely linked markers provide new resources for improving resistance to Ug99 and other races of stem rust in wheat.
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