ArticleProceedings of the National Academy of Sciences of the United States of America2013
Differential control of seed primary dormancy in Arabidopsis ecotypes by the transcription factor SPATULA.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.
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Who cites it
56 citing papers in PubMed, 126 citations in OpenAlex.
- Light-Controlled Seed Germination: Molecular Integration With Environmental Signals.Plant, cell & environment · 2026Review
- Tissue specific mechanisms of tuber dormancy after 1,4-dimethylnaphthalene treatment in potato.Food chemistry. Molecular sciences · 2026Article
- Holistic overview of regulatory networks governing seed dormancy and germination in plants.Science China. Life sciences · 2026Review
- Combined transcriptomic and metabolomic analysis of the molecular mechanism of seed dormancy release in Notopterygium incisum.BMC genomics · 2025Article
- Physiology and Transcriptome Analysis of Exogenous GACurrent issues in molecular biology · 2025Article
- Genome-wide identification, phylogeny, and expression analysis of PEBP gene family inFrontiers in genetics · 2025Article
- Soybean hypocotyl elongation is regulated by a MYB33-SWEET11/21-GA2ox8c module involving long-distance sucrose transport.Plant biotechnology journal · 2024Article
- The phosphatidylethanolamine-binding proteins OsMFT1 and OsMFT2 regulate seed dormancy in rice.The Plant cell · 2024Article
- Overexpression ofInternational journal of molecular sciences · 2024Article
- Molecular mechanisms underlying the signal perception and transduction during seed germination.Molecular breeding : new strategies in plant improvement · 2024Review
- Analysis of Hormone Regulation on Seed Germination of Coix Based on Muli-Omics Analysis.Plants (Basel, Switzerland) · 2023Article
- Overexpression of theJournal of fungi (Basel, Switzerland) · 2023Article
- Transcriptome and Proteome Analysis Revealed That Hormone and Reactive Oxygen Species Synergetically Regulate Dormancy of Introgression Line in Rice (International journal of molecular sciences · 2023Article
- Novel Roles of SPATULA in the Control of Stomata and Trichome Number, and Anthocyanin Biosynthesis.Plants (Basel, Switzerland) · 2023Article
- Underlying Biochemical and Molecular Mechanisms for Seed Germination.International journal of molecular sciences · 2022Review
- Passiflora organensis FT/TFL1 gene family and their putative roles in phase transition and floral initiation.Plant reproduction · 2022Article
- Review
- Histone Modification and Chromatin Remodeling During the Seed Life Cycle.Frontiers in plant science · 2022Review
- Advances in the Understanding of Reactive Oxygen Species-Dependent Regulation on Seed Dormancy, Germination, and Deterioration in Crops.Frontiers in plant science · 2022Review
- Updated role of ABA in seed maturation, dormancy, and germination.Journal of advanced research · 2022Review
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
Abstract
Freshly matured seeds exhibit primary dormancy, which prevents germination until environmental conditions are favorable. The establishment of dormancy occurs during seed development and involves both genetic and environmental factors that impact on the ratio of two antagonistic phytohormones: abscisic acid (ABA), which promotes dormancy, and gibberellic acid, which promotes germination. Although our understanding of dormancy breakage in mature seeds is well advanced, relatively little is known about the mechanisms involved in establishing dormancy during seed maturation. We previously showed that the SPATULA (SPT) transcription factor plays a key role in regulating seed germination. Here we investigate its role during seed development and find that, surprisingly, it has opposite roles in setting dormancy in Landsberg erecta and Columbia Arabidopsis ecotypes. We also find that SPT regulates expression of five transcription factor encoding genes: ABA-INSENSITIVE4 (ABI4) and ABI5, which mediate ABA signaling; REPRESSOR-OF-GA (RGA) and RGA-LIKE3 involved in gibberellic acid signaling; and MOTHER-OF-FT-AND-TFL1 (MFT) that we show here promotes Arabidopsis seed dormancy. Although ABI4, RGA, and MFT are repressed by SPT, ABI5 and RGL3 are induced. Furthermore, we show that RGA, MFT, and ABI5 are direct targets of SPT in vivo. We present a model in which SPT drives two antagonistic "dormancy-repressing" and "dormancy-promoting" routes that operate simultaneously in freshly matured seeds. Each of these routes has different impacts and this in turn explains the opposite effect of SPT on seed dormancy of the two ecotypes analyzed here.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.