ArticlePlant communications2024
OsNAC120 balances plant growth and drought tolerance by integrating GA and ABA signaling in rice.
Article in Plant communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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44 citing papers in PubMed, 83 citations in OpenAlex.
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- Abscisic acid-regulated stability of CmABF1 and CmBRM modulates salt tolerance in chrysanthemum via epigenetic regulation ofScience advances · 2026Article
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- Characterization of BrSTM16 from Brassica rapa and functional analysis of its role in regulating cold tolerance.BMC plant biology · 2026Article
- Molecular Crosstalk Between Flowering Time and Drought Adaptation in Cereal Crops.Plants (Basel, Switzerland) · 2026Review
- Integrated Transcriptome and Proteome Analysis Provides Insights into the Mechanism ofBiology · 2026Article
- Genome-Wide Analysis and Expression Profiles ofInternational journal of molecular sciences · 2026Article
- Integrated multi-omics analysis reveals a lipid-redox regulatory network underlying drought tolerance and yield stability in rice.BMC plant biology · 2026Article
- Comprehensive genome-wide mining and characterization of the NAC transcription factor family in Gynostemma pentaphyllum identifies GpNAC68 as a positive regulator of drought tolerance in transgenic Arabidopsis.BMC plant biology · 2026Article
- Proteome-Transcriptome Discordance in Rice Under Drought Is Modulated by Post-Translational Modifications with Functional Consequences for Photosynthesis and Energy Metabolism.Plants (Basel, Switzerland) · 2026Article
- Classical Phytohormones and Peptide Plant Hormones in Abiotic Stress Tolerance: Crosstalk, Physiological Integration, and Crop Improvement.Plants (Basel, Switzerland) · 2026Review
- Transcriptome profiling of Rehmannia glutinosa uncovers ABA/GA antagonism mechanisms in tuberous root initiation.Functional & integrative genomics · 2026Article
- Genome-wide identification of the UMAMIT gene family in Medicago sativa L. and analysis of the response of umamits mutant to abiotic stress.BMC plant biology · 2026Article
- Integrative physiological and transcriptomic analysis reveals drought response mechanisms in Abrus mollis Hance.BMC plant biology · 2026Article
- Hormone priming and metabolic engineering of phytohormone crosstalk in rice under combined biotic and abiotic stresses: a multi-omics perspective for climate-resilient crop development.Frontiers in plant science · 2026Review
- PacBio full-length transcriptome and WGCNA reveal varietal co-expression networks and regulatory dynamics during tea plant (Frontiers in plant science · 2026Article
- OsSAE1 orchestrates the antagonistical regulation of gibberellin and abscisic acid signaling to control rice seed germination.Journal of integrative plant biology · 2026Article
- Effects of Exogenous Spermidine on Germination and Seedling Growth of Rice Under Salt Stress: Physiological and Transcriptomic Insights.Current issues in molecular biology · 2025Article
- Gibberellic Acid Improves Photosynthetic Electron Transport and Stomatal Function in Crops That Are Adversely Affected by Salinity Exposure.Plants (Basel, Switzerland) · 2025Review
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Authors and funding
8 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The crosstalk between gibberellin (GA) and abscisic acid (ABA) signaling is crucial for balancing plant growth and adaption to environmental stress. Nevertheless, the molecular mechanism of their mutual antagonism still remains to be fully clarified. In this study, we found that knockout of the rice NAC (NAM, ATAF1/2, CUC2) transcription factor gene OsNAC120 inhibits plant growth but enhances drought tolerance, whereas OsNAC120 overexpression produces the opposite results. Exogenous GA can rescue the semi-dwarf phenotype of osnac120 mutants, and further study showed that OsNAC120 promotes GA biosynthesis by transcriptionally activating the GA biosynthetic genes OsGA20ox1 and OsGA20ox3. The DELLA protein SLENDER RICE1 (SLR1) interacts with OsNAC120 and impedes its transactivation ability, and GA treatment can remove the inhibition of transactivation activity caused by SLR1. On the other hand, OsNAC120 negatively regulates rice drought tolerance by repressing ABA-induced stomatal closure. Mechanistic investigation revealed that OsNAC120 inhibits ABA biosynthesis via transcriptional repression of the ABA biosynthetic genes OsNCED3 and OsNCED4. Rice OSMOTIC STRESS/ABA-ACTIVATED PROTEIN KINASE 9 (OsSAPK9) physically interacts with OsNAC120 and mediates its phosphorylation, which results in OsNAC120 degradation. ABA treatment accelerates OsNAC120 degradation and reduces its transactivation activity. Together, our findings provide evidence that OsNAC120 plays critical roles in balancing GA-mediated growth and ABA-induced drought tolerance in rice. This research will help us to understand the mechanisms underlying the trade-off between plant growth and stress tolerance and to engineer stress-resistant, high-yielding crops.
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