ArticleNature communications2025
Analysis of allohexaploid wheatgrass genome reveals its Y haplome origin in Triticeae and high-altitude adaptation.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Comparative Analysis of Triticeae Satellite Repeats Using Low-Coverage Sequencing, qPCR, and FISH.International journal of molecular sciences · 2026Article
- Review
- Cytogenetic Analysis of Altitude-Associated Chromosome Variations inEcology and evolution · 2026Article
- Chromosome-scale genome of Myriophyllum spicatum unveils the role of allohexaploidy in driving aquatic adaptation and widespread invasion.The Plant journal : for cell and molecular biology · 2026Article
- Awns Enhance the Thousand Seed Weight ofBiology · 2026Article
- Genomic basis of local adaptation in Elymus sibiricus revealed by genotype-environment associations and common garden experiments.BMC plant biology · 2026Article
- Article
- Climate change reshapes the global distribution of wild barley relatives: integrating life-history traits and ecological niche modeling.Frontiers in plant science · 2026Article
- Exploration of the Donors and Specific Genes of B Subgenome inPlants (Basel, Switzerland) · 2025Article
- Thriving or Withering? Plant Molecular Cytogenetics in the First Quarter of the 21st Century.International journal of molecular sciences · 2025Review
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26 authors.
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Abstract
Phylogenetic origin of the Y haplome present in allopolyploid Triticeae species remains unknown. Here, we report the 10.47 Gb chromosome-scale genome of allohexaploid Elymus nutans (StStYYHH). Phylogenomic analyses reveal that the Y haplome is sister to the clade comprising V and Jv haplomes from Dasypyrum and Thinopyum. In addition, H haplome from the Hordeum-like ancestor, St haplome from the Pseudoroegneria-like ancestor and Y haplome are placed in the successively diverged clades. Resequencing data reveal the allopolyploid origins with St, Y, and H haplome combinations in Elymus. Population genomic analyses indicate that E. nutans has expanded from medium to high/low-altitude regions. Phenotype/environmental association analyses identify MAPKKK18 promoter mutations reducing its expression, aiding UV-B adaptation in high-altitude populations. These findings enhance understanding of allopolyploid evolution and aid in breeding forage and cereal crops through intergeneric hybridization within Triticeae.
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