ArticlePlant molecular biology2013
Sugar starvation- and GA-inducible calcium-dependent protein kinase 1 feedback regulates GA biosynthesis and activates a 14-3-3 protein to confer drought tolerance in rice seedlings.
Article in Plant molecular biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.
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54 citing papers in PubMed, 102 citations in OpenAlex.
- 14-3-3 proteins: Central hubs in plant development and stress adaptation.Journal of integrative plant biology · 2026Review
- ZmAGA1 enhances seed germination through raffinose hydrolysis and ZmSnRK1α-mediated starch mobilization in maize.Genome biology · 2026Article
- Genome-wide transcriptional analysis of 14-3-3 genes in Paulownia fortunei under abiotic and biotic stresses.BMC plant biology · 2026Article
- Calcium-Dependent Protein Kinases in Plants: Structure, Signaling, and Multifaceted Regulatory Roles in Development and Stress Adaptation.International journal of molecular sciences · 2026Review
- Functional 14-3-3 Proteins: Master Regulators in Plant Responses to Salt Stress.Plants (Basel, Switzerland) · 2025Review
- Transcriptional corepressor OsTPR1 regulates tillering and lateral root development in rice.Scientific reports · 2025Article
- Phenomics-assisted genetic dissection and molecular design of drought resistance in rice.Plant communications · 2025Article
- Overexpression ofInternational journal of molecular sciences · 2024Article
- Physiological and differential protein expression analyses of the calcium stress response in theHeliyon · 2024Article
- Molecular mechanisms controlling grain size and weight and their biotechnological breeding applications in maize and other cereal crops.Journal of advanced research · 2024Review
- Uncovering the Genomic Regions Associated with Yield Maintenance in Rice Under Drought Stress Using an Integrated Meta-Analysis Approach.Rice (New York, N.Y.) · 2024Article
- Calcium signaling facilitates chilling- and GA- induced dormancy release in tree peony.Frontiers in plant science · 2024Article
- Identification ofFrontiers in plant science · 2024Article
- Caffeine Produced in Rice Plants Provides Tolerance to Water-Deficit Stress.Antioxidants (Basel, Switzerland) · 2023Article
- The 14-3-3 protein OsGF14f interacts with OsbZIP23 and enhances its activity to confer osmotic stress tolerance in rice.The Plant cell · 2023Article
- Oligosaccharide production and signaling correlate with delayed flowering in an Arabidopsis genotype grown and selected in high [CO2].PloS one · 2023Article
- Genome-Wide Identification and Expression Analysis of the 14-3-3 (TFT) Gene Family in Tomato, and the Role ofPlants (Basel, Switzerland) · 2022Article
- Heat Stress Decreases Rice Grain Weight: Evidence and Physiological Mechanisms of Heat Effects Prior to Flowering.International journal of molecular sciences · 2022Review
- PheGRF4e initiated auxin signaling during moso bamboo shoot development.Molecular biology reports · 2022Article
- Arbuscular Mycorrhizal Fungi Enhanced Drought Resistance ofMicrobiology spectrum · 2022Article
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Germination followed by seedling growth constitutes two essential steps in the initiation of a new life cycle in plants, and in cereals, completion of these steps is regulated by sugar starvation and the hormone gibberellin. A calcium-dependent protein kinase 1 gene (OsCDPK1) was identified by differential screening of a cDNA library derived from sucrose-starved rice suspension cells. The expression of OsCDPK1 was found to be specifically activated by sucrose starvation among several stress conditions tested as well as activated transiently during post-germination seedling growth. In gain- and loss-of-function studies performed with transgenic rice overexpressing a constitutively active or RNA interference gene knockdown construct, respectively, OsCDPK1 was found to negatively regulate the expression of enzymes essential for GA biosynthesis. In contrast, OsCDPK1 activated the expression of a 14-3-3 protein, GF14c. Overexpression of either constitutively active OsCDPK1 or GF14c enhanced drought tolerance in transgenic rice seedlings. Hence, our studies demonstrated that OsCDPK1 transduces the post-germination Ca(2+) signal derived from sugar starvation and GA, refines the endogenous GA concentration and prevents drought stress injury, all essential functions to seedling development at the beginning of the life cycle in rice.
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