ArticleThe Plant cell2005
Molecular basis of evolutionary events that shaped the hardness locus in diploid and polyploid wheat species (Triticum and Aegilops).
Article in The Plant cell, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 130 papers.
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130 citing papers in PubMed.
- Spatially resolved quantification of wheat kernel vitreousness using hyperspectral imaging and spectral unmixing.Frontiers in plant science · 2026Article
- Seeking consensus on the domestication concept.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Review
- Dissection of a novel major stable QTL on chromosome 7D for grain hardness and its breeding value estimation in bread wheat.Frontiers in plant science · 2024Article
- Targeted mutagenesis with sequence-specific nucleases for accelerated improvement of polyploid crops: Progress, challenges, and prospects.The plant genome · 2023Review
- An Overview of Factors Affecting the Functional Quality of Common Wheat (International journal of molecular sciences · 2023Review
- Targeted genome editing in polyploids: lessons fromFrontiers in plant science · 2023Review
- The chromosome-scale genome of Phoebe bournei reveals contrasting fates of terpene synthase (TPS)-a and TPS-b subfamilies.Plant communications · 2022Article
- Genetic control of compatibility in crosses between wheat and its wild or cultivated relatives.Plant biotechnology journal · 2022Review
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- The 10,000-Year Success Story of Wheat!Foods (Basel, Switzerland) · 2021Review
- Molecular Cytogenetic and Agronomic Characterization of the Similarities and Differences Between Wheat-Frontiers in plant science · 2021Article
- Genomics-Enabled Analysis ofInternational journal of molecular sciences · 2020Article
- Allele mining of TaGRF-2D gene 5'-UTR in Triticum aestivum and Aegilops tauschii genotypes.PloS one · 2020Article
- The antimicrobial properties of the puroindolines, a review.World journal of microbiology & biotechnology · 2019Review
- Potential ofFrontiers in plant science · 2019Review
- What Is Gluten-Why Is It Special?Frontiers in nutrition · 2019Review
- Genetic Analysis and Transfer of Favorable Exotic QTL Alleles for Grain Yield Across D Genome Using Two Advanced Backcross Wheat Populations.Frontiers in plant science · 2019Article
- DArTseq-based analysis of genomic relationships among species of tribe Triticeae.Scientific reports · 2018Article
- Comparison on Photosynthesis and Antioxidant Defense Systems in Wheat with Different Ploidy Levels and Octoploid Triticale.International journal of molecular sciences · 2018Article
- Mechanisms, origin and heredity of Glu-1Ay silencing in wheat evolution and domestication.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
70 more citing papers are in PubMed but not listed here.
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19 authors.
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Abstract
The Hardness (Ha) locus controls grain hardness in hexaploid wheat (Triticum aestivum) and its relatives (Triticum and Aegilops species) and represents a classical example of a trait whose variation arose from gene loss after polyploidization. In this study, we investigated the molecular basis of the evolutionary events observed at this locus by comparing corresponding sequences of diploid, tertraploid, and hexaploid wheat species (Triticum and Aegilops). Genomic rearrangements, such as transposable element insertions, genomic deletions, duplications, and inversions, were shown to constitute the major differences when the same genomes (i.e., the A, B, or D genomes) were compared between species of different ploidy levels. The comparative analysis allowed us to determine the extent and sequences of the rearranged regions as well as rearrangement breakpoints and sequence motifs at their boundaries, which suggest rearrangement by illegitimate recombination. Among these genomic rearrangements, the previously reported Pina and Pinb genes loss from the Ha locus of polyploid wheat species was caused by a large genomic deletion that probably occurred independently in the A and B genomes. Moreover, the Ha locus in the D genome of hexaploid wheat (T. aestivum) is 29 kb smaller than in the D genome of its diploid progenitor Ae. tauschii, principally because of transposable element insertions and two large deletions caused by illegitimate recombination. Our data suggest that illegitimate DNA recombination, leading to various genomic rearrangements, constitutes one of the major evolutionary mechanisms in wheat species.
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