ArticlePlant communications2025
A comprehensive map of DNA-segment copy number variation in 491 genomes of common wheat uncovers genes associated with multiple agronomic traits.
Article in Plant communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Structural Variation and Its Roles in Plant Genomes.Plants (Basel, Switzerland) · 2026Review
- Pangenome-resolved structural variation drives adaptation and trait evolution in cucumber.Nature genetics · 2026Article
- Genomic Insights into Winter Wheat Breeding for Severely Cold Climates.International journal of molecular sciences · 2026Article
- Image-based rachis phenotyping facilitates genetic dissection of spikelet distribution in wheat.Plant physiology · 2026Article
- Genome-wide and co-expression network dissection ofFrontiers in plant science · 2026Article
- The TaNHLP1-TaRACK1A module regulates tillering via abscisic acid signaling in wheat.Nature communications · 2025Article
- Large-scale identification and association analysis of wheat grain weight genes using rice orthologs.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- FreezeNet: A Lightweight Model for Enhancing Freeze Tolerance Assessment and Genetic Analysis in Wheat.Plant phenomics (Washington, D.C.) · 2025Article
- Enhancing the breeding gene pool of wheat using accessions in gene banks as demonstrated by the Watkins collection.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
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Authors and funding
20 authors.
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Abstract
DNA-segment copy number variations (DSCNVs), such as deletions and duplications, are important sources of genomic structural variation. However, the types and sizes of DSCNVs, as well as their genome-wide distribution and potential functions, are poorly understood in wheat. Here, we identified 198 985 DSCNVs by investigating 491 genomes of common wheat and found that they account for 20% of the entire genome. Interestingly, approximately 38% of genes are linked to DSCNVs. The number of DSCNVs within each accession ranges from 47 366 to 96 342, and their total sizes vary from 421.3 to 1267.9 Mb. We found that 957 and 1304 DSCNVs have been favored by breeders in China and the United States, respectively. By conducting DSCNV-based genome-wide association studies for the principal components of plant developmental and yield-component traits, we identified 34 loci as directly or indirectly involved in controlling the formation of multiple traits. Notably, a newly discovered DSCNV covering TaFT-D1 is significantly associated with flowering time and other agronomic traits. Overall, our findings highlight the potential of DSCNVs to drive fundamental discoveries in plant science. The comprehensive DSCNV map and the DSCNV-associated genes will also facilitate future research efforts to improve wheat yield, quality, and adaptation.
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