ArticleThe Plant journal : for cell and molecular biology2013
The rice GERMINATION DEFECTIVE 1, encoding a B3 domain transcriptional repressor, regulates seed germination and seedling development by integrating GA and carbohydrate metabolism.
Article in The Plant journal : for cell and molecular biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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50 citing papers in PubMed, 96 citations in OpenAlex.
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- Regulation of developmental transitions in plants: the role of VIVAPAROUS ABI3-LIKE (VAL) repressors.Journal of plant research · 2026Review
- Comprehensive transcriptomic profiling identifies key regulatory genes mediating phytohormone signaling pathways during seed germination in Chenopodium quinoa.BMC genomics · 2026Article
- 2-Hydroxymelatonin Induces Husk-Imposed Vivipary in the Transgenic Rice Overexpressing Melatonin 2-Hydroxylase.Biomolecules · 2025Article
- Identification of F-box proteins in ABA- and GA-regulated seed germination: interaction of GASA1 signalling peptide and ABA-induced ubiquitination.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Article
- Beyond species and spatial boundaries: Enabling long-distance gene silencing in plants via guanidinium-siRNA nanoparticles.Plant biotechnology journal · 2025Article
- The chromatin accessibility landscape during early maize seed development.The Plant journal : for cell and molecular biology · 2025Article
- Overexpression of the general transcription factor OsTFIIB5 alters rice development and seed quality.Plant cell reports · 2025Article
- Metabolomic and Transcriptomic Analysis Reveals Flavonoid-Mediated Regulation of Seed Antioxidant Properties in Peanut Seed Vigor.Antioxidants (Basel, Switzerland) · 2024Article
- A transposon insertion in the promoter of OsUBC12 enhances cold tolerance during japonica rice germination.Nature communications · 2024Article
- Loss of function ofMolecular breeding : new strategies in plant improvement · 2024Article
- Catalase associated with antagonistic changes of abscisic acid and gibberellin response, biosynthesis and catabolism is involved in eugenol-inhibited seed germination in rice.Plant cell reports · 2023Article
- Changes in the expression pattern of OsWUS negatively regulate plant stature and panicle development in rice.G3 (Bethesda, Md.) · 2023Article
- PROTEIN PHOSPHATASE 2C08, a Negative Regulator of Abscisic Acid Signaling, Promotes Internode Elongation in Rice.International journal of molecular sciences · 2023Article
- A rice seed-specific glycine-rich protein OsDOR1 interacts with GID1 to repress GA signaling and regulates seed dormancy.Plant molecular biology · 2023Article
- Transcriptome and DNA Methylome Analysis of Two Contrasting Rice Genotypes under Salt Stress during Germination.International journal of molecular sciences · 2023Article
- OsWRKY28 positively regulates salinity tolerance by directly activating OsDREB1B expression in rice.Plant cell reports · 2023Article
- Growth and transcriptional response of wheat and rice to the tertiary amine BMVE.Frontiers in plant science · 2023Article
- Understanding of Hormonal Regulation in Rice Seed Germination.Life (Basel, Switzerland) · 2022Review
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8 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
It has been shown that seed development is regulated by a network of transcription factors in Arabidopsis including LEC1 (LEAFY COTYLEDON1), L1L (LEC1-like) and the B3 domain factors LEC2, FUS3 (FUSCA3) and ABI3 (ABA-INSENSITIVE3); however, molecular and genetic regulation of seed development in cereals is poorly understood. To understand seed development and seed germination in cereals, a large-scale screen was performed using our T-DNA mutant population, and a mutant germination-defective1 (gd1) was identified. In addition to the severe germination defect, the gd1 mutant also shows a dwarf phenotype and abnormal flower development. Molecular and biochemical analyses revealed that GD1 encodes a B3 domain-containing transcription factor with repression activity. Consistent with the dwarf phenotype of gd1, expression of the gibberelic acid (GA) inactivation gene OsGA2ox3 is increased dramatically, accompanied by reduced expression of GA biosynthetic genes including OsGA20ox1, OsGA20ox2 and OsGA3ox2 in gd1, resulting in a decreased endogenous GA₄ level. Exogenous application of GA not only induced GD1 expression, but also partially rescued the dwarf phenotype of gd1. Furthermore, GD1 binds to the promoter of OsLFL1, a LEC2/FUS3-like gene of rice, via an RY element, leading to significant up-regulation of OsLFL1 and a large subset of seed maturation genes in the gd1 mutant. Plants over-expressing OsLFL1 partly mimic the gd1 mutant. In addition, expression of GD1 was induced under sugar treatment, and the contents of starch and soluble sugar are altered in the gd1 mutant. These data indicate that GD1 participates directly or indirectly in regulating GA and carbohydrate homeostasis, and further regulates rice seed germination and seedling development.
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