ArticleJournal of experimental botany2020
Leaf growth in early development is key to biomass heterosis in Arabidopsis.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 48 citations in OpenAlex.
- Heterosis in wheat: mechanisms, benefits, and challenges in hybrid development.Journal of experimental botany · 2026Review
- Overexpression ofPlants (Basel, Switzerland) · 2026Article
- A deficient CP24 allele defines variation for dynamic nonphotochemical quenching and photosystem II efficiency in maize.The Plant cell · 2025Article
- Assessment of the phenotypic and physicochemical traits of nine Iranian endemic fenugreek (Trigonella foenum-graecum L.).Scientific reports · 2025Article
- Parent-of-origin effects orchestrate transcriptional reprogramming and epigenetic regulation of seedling vigor heterosis in triploid loquat.Frontiers in plant science · 2025Article
- Copper and Silver Nanoparticle Seed Priming and Foliar Spray Modulate Plant Growth and Thrips Infestation inACS omega · 2024Article
- EvaluatingFrontiers in plant science · 2024Article
- Genetic and molecular regulation of increased photosynthetic cell number contributes to leaf size heterosis iniScience · 2023Article
- Selective autophagy regulates chloroplast protein import and promotes plant stress tolerance.The EMBO journal · 2023Article
- Analysis of companion cell and phloem metabolism using a transcriptome-guided model of Arabidopsis metabolism.Plant physiology · 2023Article
- Overdominant expression of genes plays a key role in root growth of tobacco hybrids.Frontiers in plant science · 2023Article
- Comparative transcriptomic analysis reveals the molecular mechanism underlying seedling biomass heterosis in Brassica napus.BMC plant biology · 2022Article
- Expression Patterns Divergence of Reciprocal FFrontiers 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
- Overdominance at the Gene Expression Level Plays a Critical Role in the Hybrid Root Growth ofInternational journal of molecular sciences · 2021Article
- Article
- Improved photosynthetic characteristics correlated with enhanced biomass in a heterotic FPhotosynthesis research · 2021Article
- Secondary Metabolites, Ferulic Acid andBiomolecules · 2021Article
- Integrated Analysis of mRNA and Non-coding RNA Transcriptome in Pepper (Frontiers in genetics · 2021Article
- Advances in Research on the Mechanism of Heterosis in Plants.Frontiers in plant science · 2021Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Arabidopsis thaliana hybrids have similar properties to hybrid crops, with greater biomass relative to the parents. We asked whether the greater biomass was due to increased photosynthetic efficiency per unit leaf area or to overall increased leaf area and increased total photosynthate per plant. We found that photosynthetic parameters (electron transport rate, CO2 assimilation rate, chlorophyll content, and chloroplast number) were unchanged on a leaf unit area and unit fresh weight basis between parents and hybrids, indicating that heterosis is not a result of increased photosynthetic efficiency. To investigate the possibility of increased leaf area producing more photosynthate per plant, we studied C24×Landsberg erecta (Ler) hybrids in detail. These hybrids have earlier germination and leaf growth than the parents, leading to a larger leaf area at any point in development of the plant. The developing leaves of the hybrids are significantly larger than those of the parents, with consequent greater production of photosynthate and an increased contribution to heterosis. The set of leaves contributing to heterosis changes as the plant develops; the four most recently emerged leaves make the greatest contribution. As a leaf matures, its contribution to heterosis attenuates. While photosynthesis per unit leaf area is unchanged at any stage of development in the hybrid, leaf area is greater and the amount of photosynthate per plant is increased.
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