ArticlePlant communications2023
Genome sequencing of Sitopsis species provides insights into their contribution to the B subgenome of bread wheat.
Article in Plant communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed.
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- Unlocking wheat fertility: map-based cloning spotlights anther-specific TaAGO5c as a master modulator.The Plant journal : for cell and molecular biology · 2026Article
- Genome-wide characterization and adaptive evolution of favorable gibberellin 2-oxidase alleles contributing to wheat agronomic traits.Journal of advanced research · 2026Article
- Genome-Wide Identification and Expression Analysis of Starch Biosynthesis-Related Gene Families in Wheat.International journal of molecular sciences · 2026Article
- Genomics in wheat improvement: Progress and perspectives.The plant genome · 2026Review
- Role ofInternational journal of molecular sciences · 2026Article
- Gametocidal genes: biological mechanisms owing to hybrid dysgenesis in crop breeding, challenges and innovation.Annals of botany · 2026Review
- Population-scale gene expression analysis reveals the contribution of expression diversity to the modern wheat improvement.Nature communications · 2025Article
- A telomere-to-telomere genome assembly coupled with multi-omic data provides insights into the evolution of hexaploid bread wheat.Nature genetics · 2025Article
- Genomic structural variation in an alpha/beta hydrolase triggers hybrid necrosis in wheat.Nature communications · 2025Article
- Natural alleles of LEAFY and WAPO1 interact to regulate spikelet number per spike in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Mapping of Aegilops speltoides derived leaf rust and stripe rust resistance genes using 35K SNP array.BMC genomic data · 2024Article
- Bioinformatic Identification and Expression Analyses of the MAPK-MAP4K Gene Family Reveal a Putative Functional MAP4K10-MAP3K7/8-MAP2K1/11-MAPK3/6 Cascade in Wheat (Plants (Basel, Switzerland) · 2024Article
- Comparative Analysis Reveals Different Evolutionary Fates and Biological Functions in Wheat Duplicated Genes (Plants (Basel, Switzerland) · 2023Article
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16 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Wheat (Triticum aestivum, BBAADD) is an allohexaploid species that originated from two polyploidization events. The progenitors of the A and D subgenomes have been identified as Triticum urartu and Aegilops tauschii, respectively. Current research suggests that Aegilops speltoides is the closest but not the direct ancestor of the B subgenome. However, whether Ae. speltoides has contributed genomically to the wheat B subgenome and which chromosome regions are conserved between Ae. speltoides and the B subgenome remain unclear. Here, we assembled a high-quality reference genome for Ae. speltoides, resequenced 53 accessions from seven species (Aegilops bicornis, Aegilops longissima, Aegilops searsii, Aegilops sharonensis, Ae. speltoides, Aegilops mutica [syn. Amblyopyrum muticum], and Triticum dicoccoides) and revealed their genomic contributions to the wheat B subgenome. Our results showed that centromeric regions were particularly conserved between Aegilops and Triticum and revealed 0.17 Gb of conserved blocks between Ae. speltoides and the B subgenome. We classified five groups of conserved and non-conserved genes between Aegilops and Triticum, revealing their biological characteristics, differentiation in gene expression patterns, and collinear relationships between Ae. speltoides and the wheat B subgenome. We also identified gene families that expanded in Ae. speltoides during its evolution and 789 genes specific to Ae. speltoides. These genes can serve as genetic resources for improvement of adaptability to biotic and abiotic stress. The newly constructed reference genome and large-scale resequencing data for Sitopsis species will provide a valuable genomic resource for wheat genetic improvement and genomic studies.
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