ArticleBMC plant biology2018
Transcriptome analysis reveals potential mechanisms for different grain size between natural and resynthesized allohexaploid wheats with near-identical AABB genomes.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 23 citations in OpenAlex.
- Natural variation in the CONSTANS-like gene TaCOL1-7D modulates root growth and nitrogen uptake in wheat.Plant communications · 2026Article
- RNA-Seq transcriptome profiling of immature grain wheat is a technique for understanding comparative modeling of baking quality.Scientific reports · 2024Article
- Integrated Transcriptome Analysis Identified Key Expansin Genes Associated with Wheat Cell Wall, Grain Weight and Yield.Plants (Basel, Switzerland) · 2023Article
- Adaptation insights from comparative transcriptome analysis of two Opisthopappus species in the Taihang mountains.BMC genomics · 2022Article
- Transcriptome Analysis of Developing Wheat Grains at Rapid Expanding Phase Reveals Dynamic Gene Expression Patterns.Biology · 2022Article
- Combined RNA-seq and Phenotype Analysis Reveals a Potential Molecular Mechanism of the Difference in Grain Size of Naked Barley From the Qinghai-Tibetan Plateau.Frontiers in plant science · 2022Article
- The decreased expression of GW2 homologous genes contributed to the increased grain width and thousand‑grain weight in wheat-Dasypyrum villosum 6VS·6DL translocation lines.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Exploitation of Heterosis in Pearl Millet: A Review.Plants (Basel, Switzerland) · 2020Review
- Cell Wall Proteome of Wheat Grain Endosperm and Outer Layers at Two Key Stages of Early Development.International journal of molecular sciences · 2019Article
- Article
- Proteomics Analysis Reveals That Caspase-Like and Metacaspase-Like Activities Are Dispensable for Activation of Proteases Involved in Early Response to Biotic Stress inInternational journal of molecular sciences · 2018Article
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundCommon wheat is a typical allohexaploid species (AABBDD) derived from the interspecific crossing between allotetraploid wheat (AABB) and Aegilops tauschii (DD). Wide variation in grain size and shape observed among Aegilops tauschii can be retained in synthetic allohexaploid wheats, but the underlying mechanism remains enigmatic. Here, the natural and resynthesized allohexaploid wheats with near-identical AB genomes and different D genomes (TAA10 and XX329) were employed for analysis.
resultsSignificant differences in grain size and weight between TAA10 and XX329 were observed at the early stages of development, which could be mainly attributed to the higher growth rates of the pericarp and endosperm cells in XX329 compared to TAA10. Furthermore, comparative transcriptome analysis identified that 8891 of 69,711 unigenes (12.75%) were differentially expressed between grains at 6 days after pollination (DAP) of TAA10 and XX329, including 5314 up-regulated and 3577 down-regulated genes in XX329 compared to TAA10. The MapMan functional annotation and enrichment analysis revealed that the differentially expressed genes were significantly enriched in categories of cell wall, carbohydrate and hormone metabolism. Notably, consistent with the up-regulation of sucrose synthase genes in resynthesized relative to natural allohexaploid wheat, the resynthesized allohexaploid wheat accumulated much higher contents of glucose and fructose in 6-DAP grains than those of the natural allohexaploid wheat.
conclusionsThese data indicated that the genetic variation of the D genome induced drastic alterations of gene expression in grains of the natural and resynthesized allohexaploid wheats, which may contribute to the observed differences in grain size and weight.
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