ArticlePlant physiology2014
Intraspecific Arabidopsis hybrids show different patterns of heterosis despite the close relatedness of the parental genomes.
Article in Plant physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.
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Who cites it
58 citing papers in PubMed.
- Transcriptional reprogramming and co-expression network underlying enhanced ammonium uptake in intraspecific hybrids ofFrontiers in plant science · 2026Article
- Unraveling novel mechanisms controlling heterosis in seeds: advances and biotechnological applications in crops.Journal of experimental botany · 2025Review
- Unlocking hybrid vigor: a new genic male sterile gene in da house.Plant physiology · 2025Article
- From Individual to Stand Performance in Hybrids: Challenging the Optimal Parental Genetic Distance.Evolutionary applications · 2025Article
- Hybrid Prediction in Horticulture Crop Breeding: Progress and Challenges.Plants (Basel, Switzerland) · 2024Review
- Imprinting but not cytonuclear interactions determines seed size heterosis in Arabidopsis hybrids.Plant physiology · 2024Article
- Mapping parental DMRs predictive of local and distal methylome remodeling in epigenetic F1 hybrids.Life science alliance · 2024Article
- Comparative transcriptomic analysis reveals the molecular mechanism underlying seedling heterosis and its relationship with hybrid contemporary seeds DNA methylation in soybean.Frontiers in plant science · 2024Article
- Genetic and molecular regulation of increased photosynthetic cell number contributes to leaf size heterosis iniScience · 2023Article
- Morphological and metabolomics profiling of intraspecific Arabidopsis hybrids in relation to biomass heterosis.Scientific reports · 2023Article
- Transgressive and parental dominant gene expression and cytosine methylation during seed development in Brassica napus hybrids.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- The role of non-additive gene action on gene expression variation in plant domestication.EvoDevo · 2023Article
- Protein nonadditive expression and solubility contribute to heterosis inFrontiers in plant science · 2023Article
- Genome-wide analysis of transcriptome and histone modifications inFrontiers in plant science · 2023Article
- Comparison of dynamic 3D chromatin architecture uncovers heterosis for leaf size in Brassica napus.Journal of advanced research · 2022Article
- Applications of In Vitro Tissue Culture Technologies in Breeding and Genetic Improvement of Wheat.Plants (Basel, Switzerland) · 2022Review
- Comparative transcriptomic analysis reveals the molecular mechanism underlying seedling biomass heterosis in Brassica napus.BMC plant biology · 2022Article
- Parent-of-Origin Effects on Seed Size Modify Heterosis Responses inFrontiers in plant science · 2022Article
- Transcriptome and DNA methylome analyses provide insight into the heterosis in flag leaf of inter-subspecific hybrid rice.Plant molecular biology · 2022Article
- Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Heterosis is important for agriculture; however, little is known about the mechanisms driving hybrid vigor. Ultimately, heterosis depends on the interactions of specific alleles and epialleles provided by the parents, which is why hybrids can exhibit different levels of heterosis, even within the same species. We characterize the development of several intraspecific Arabidopsis (Arabidopsis thaliana) F1 hybrids that show different levels of heterosis at maturity. We identify several phases of heterosis beginning during embryogenesis and culminating in a final phase of vegetative maturity and seed production. During each phase, the hybrids show different levels and patterns of growth, despite the close relatedness of the parents. For instance, during the vegetative phases, the hybrids develop larger leaves than the parents to varied extents, and they do so by exploiting increases in cell size and cell numbers in different ratios. Consistent with this finding, we observed changes in the expression of genes known to regulate leaf size in developing rosettes of the hybrids, with the patterns of altered expression differing between combinations. The data show that heterosis is dependent on changes in development throughout the growth cycle of the hybrid, with the traits of mature vegetative biomass and reproductive yield as cumulative outcomes of heterosis at different levels, tissues, and times of development.
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