ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2023
Resistance of QYm.nau-2D to wheat yellow mosaic virus was derived from an alien introgression into common wheat.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 6 papers.
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6 citing papers in PubMed, 5 citations in OpenAlex.
- Dynamics of resistant genes and their relationship to resistance to wheat yellow mosaic disease in Japanese wheat germplasms.Breeding science · 2026Article
- Structural diversity of Ym2, a gene conferring resistance against Wheat yellow mosaic virus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- GBS-based identification ofFrontiers in plant science · 2026Article
- A wheat CC-NBS-LRR protein Ym1 confers WYMV resistance by recognizing viral coat protein.Nature communications · 2025Article
- Genotyping-by-sequencing uncovers a Thinopyrum 4StS·1JTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Identification ofGenes · 2024Article
Corrections and comments
- Erratum issued
Authors and funding
21 authors at 3 institutions in 1 country.
Funding
Abstract
key messageThe QYm.nau-2D locus conferring wheat yellow mosaic virus resistance is an exotic introgression and we developed 11 diagnostic markers tightly linked to QYm.nau-2D. Wheat yellow mosaic virus (WYMV) is a serious disease of winter wheat in China. Breeding resistant varieties is the most effective strategy for WYMV control. A WYMV resistant locus QYm.nau-2D on the chromosome arm 2DL has been repeatedly reported but the mapped region is large. In the present study, we screened recombinants using a biparental population and mapped QYm.nau-2D into an 18.8 Mb physical interval. By genome-wide association studies of 372 wheat varieties for WYMV resistance in four environments, we narrowed down QYm.nau-2D into a 16.4 Mb interval. Haplotype analysis indicated QYm.nau-2D were present as six different states due to recombination during hybridization breeding. QYm.nau-2D was finally mapped into a linkage block of 11.2 Mb. Chromosome painting using 2D specific probes and collinearity analysis among the published sequences corresponding to QYm.nau-2D region indicated the block was an exotic introgression. The Illumina-sequenced reads of four diploid Aegilops species were mapped to the sequence of Fielder, a variety having the introgression. The mapping reads were significantly increased at the putative introgression regions of Fielder. Ae. uniaristata (NN) had the highest mapping reads, suggesting that QYm.nau-2D was possibly an introgression from genome N. We investigated the agronomic performances of different haplotypes and observed no linkage drag of the alien introgression for the 15 tested traits. For marker-assisted selection of QYm.nau-2D, we developed 11 diagnostic markers tightly linked to the locus. This research provided a case study of an exotic introgression, which has been utilized in wheat improvement for WYMV resistance.
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