ArticlePlant physiology2013
Brassinosteroid regulates seed size and shape in Arabidopsis.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 141 papers.
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Who cites it
141 citing papers in PubMed.
- Plant Metabolites Screening Identifies 7-epi-10-Deacetyltaxol Inhibiting Cell Division by Interfering With the Cell Cycle and Microtubule Organization.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- The IKU2/RLK7-MAPK-MINI3 signaling module controls endosperm cellularization timing to determine seed size in Arabidopsis.Journal of integrative plant biology · 2026Article
- Molecular understanding of plant pollination, fertilization, seed development and protoplast regeneration.Science China. Life sciences · 2026Review
- Removal of seed coat H3K27me3 in Arabidopsis requires noncanonical functions of brassinosteroid receptors.The Plant cell · 2026Article
- Fine mapping and candidate gene analysis of a major QTL qHSW_11 for seed weight in soybean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- ZmSSRP1-mediated chromatin accessibility modulates maize development via regulation of ZmBRD1 transcription.Plant physiology · 2026Article
- A transcriptional atlas of early Arabidopsis seed development suggests mechanisms for inter-tissue coordination.Nature plants · 2026Article
- Genome-wide identification of long non-coding RNAs revealing their regulatory roles under seed development in ricebean (Vigna umbellata).BMC plant biology · 2026Article
- The mysterious dialogue between the embryo, endosperm, and seed coat, and its implications for seed traits.Journal of experimental botany · 2026Review
- A BRI1-CNGC12 phosphorylation module links hormone signaling to manganese homeostasis in plants.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Microscopic observation and hormone-targeted metabolomic analysis provide insights into the reproductive barriers of distant hybridization between Rhododendron subgenus Tsutsusi and subgenus Pentanthera.Plant cell reports · 2026Article
- Article
- Transcriptome-Wide Association Uncovers LncRNAs Controlling Seed Weight in Soybean.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Large-scale screening of genes responsible for silique length and seed size in Brassica Napus via pooled CRISPR library.BMC genomics · 2025Article
- The transcription factor BoMYC2 negatively regulates seed size by activating cytokinin dehydrogenase BoCKX5 in Broccoli.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Article
- Special Regulation ofGenes · 2025Article
- TaSG-D1-TaGAMyb signaling module regulates seed weight in wheat (Triticum aestivum L.).The Plant journal : for cell and molecular biology · 2025Article
- CRISPR mediated gene editing for economically important traits in horticultural crops: progress and prospects.Transgenic research · 2025Review
- Brassinolide and BZR1 are up-regulated in a parthenocarpic mutant of prickly pear.Plant cell reports · 2025Article
81 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seed development is important for agriculture productivity. We demonstrate that brassinosteroid (BR) plays crucial roles in determining the size, mass, and shape of Arabidopsis (Arabidopsis thaliana) seeds. The seeds of the BR-deficient mutant de-etiolated2 (det2) are smaller and less elongated than those of wild-type plants due to a decreased seed cavity, reduced endosperm volume, and integument cell length. The det2 mutant also showed delay in embryo development, with reduction in both the size and number of embryo cells. Pollination of det2 flowers with wild-type pollen yielded seeds of normal size but still shortened shape, indicating that the BR produced by the zygotic embryo and endosperm is sufficient for increasing seed volume but not for seed elongation, which apparently requires BR produced from maternal tissues. BR activates expression of SHORT HYPOCOTYL UNDER BLUE1, MINISEED3, and HAIKU2, which are known positive regulators of seed size, but represses APETALA2 and AUXIN RESPONSE FACTOR2, which are negative regulators of seed size. These genes are bound in vivo by the BR-activated transcription factor BRASSINAZOLE-RESISTANT1 (BZR1), and they are known to influence specific processes of integument, endosperm, and embryo development. Our results demonstrate that BR regulates seed size and seed shape by transcriptionally modulating specific seed developmental pathways.
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