ArticlePlant physiology2023
DROUGHT-INDUCED BRANCHED-CHAIN AMINO ACID AMINOTRANSFERASE enhances drought tolerance in rice.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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36 citing papers in PubMed, 79 citations in OpenAlex.
- Cadmium tolerance mediated by GhBCAT12 through branched-chain amino acid degradation via vacuolar sequestration in cotton.Stress biology · 2026Article
- Enhancing salinity tolerance in potato (Solanum tuberosum L.) using foliar-applied branched-chain amino acids.Scientific reports · 2026Article
- Integrated transcriptomic and metabolomic analyses reveal drought-response mechanisms in Suriana maritima from tropical coral islands.BMC plant biology · 2026Article
- Integrated multi-omics analysis reveals a lipid-redox regulatory network underlying drought tolerance and yield stability in rice.BMC plant biology · 2026Article
- Mitochondrial β-carbonic anhydrase is a conserved metabolic rheostat for branched-chain amino acid catabolism and metabolic flexibility.The New phytologist · 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
- ZmTH1 Is Vital for Healthy Plant Growth and Promotes Cold/Drought Tolerance by Regulating Thiamin Diphosphate-Dependent Metabolisms in Maize.Plant biotechnology journal · 2026Article
- Integrated physiology and multi-omics elucidate photosynthetic adaptation and osmolyte accumulation mechanisms in buffalograss under osmotic stress.BMC plant biology · 2026Article
- A Drought-Activated Bacterial Symbiont Enhances Legume Resilience Through Coordinated Amino Acid Metabolism.Microorganisms · 2026Article
- Transcriptional reprogramming under drought reveals divergent adaptive strategies in Quinoa.BMC plant biology · 2025Article
- Metabolic Responses of Plants to Climate-Induced Stress: A Mass Spectrometry Investigation.ACS omega · 2025Article
- Integrating metabolomics and high-throughput phenotyping to elucidate metabolic and phenotypic responses to early-season drought stress in Nordic spring wheat.BMC plant biology · 2025Article
- Amino Acid Regulation in Rice: Integrated Mechanisms and Agricultural Applications.Rice (New York, N.Y.) · 2025Review
- Drought-Induced Zinc Finger Transcription Factor OsDi19-3 Positively Regulates Drought Stress Acclimatization in Rice (Plants (Basel, Switzerland) · 2025Article
- Indole-3-Butyric Acid Enhances Root Formation and Alleviates Low-Temperature Stress in Sugarcane: Molecular Insights and Identification of Candidate Genes.Plants (Basel, Switzerland) · 2025Article
- Short Exposure to Full Moonlight Has a Long-Term Impact on Brassica juncea Cell Activity and Growth.Plant, cell & environment · 2025Article
- Amino acid metabolism pathways as key regulators of nitrogen distribution in tobacco: insights from transcriptome and WGCNA analyses.BMC plant biology · 2025Article
- A full genome assembly reveals drought stress effects on gene expression and metabolite profiles in blackcurrant (Horticulture research · 2025Article
- Physiological Responses and Metabolic Characteristics of Proso Millet Under Drought Stress During Germination Period.Food science & nutrition · 2025Article
- The amino acid permeaseHorticulture research · 2025Article
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10 authors at 2 institutions in 2 countries.
Funding
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Abstract
Plants accumulate several metabolites in response to drought stress, including branched-chain amino acids (BCAAs). However, the roles of BCAAs in plant drought responses and the underlying molecular mechanisms for BCAA accumulation remain elusive. Here, we demonstrate that rice (Oryza sativa) DROUGHT-INDUCED BRANCHED-CHAIN AMINO ACID AMINOTRANSFERASE (OsDIAT) mediates the accumulation of BCAAs in rice in response to drought stress. An in vitro enzyme activity assay indicated that OsDIAT is a branched-chain amino acid aminotransferase, and subcellular localization analysis revealed that OsDIAT localizes to the cytoplasm. The expression of OsDIAT was induced in plants upon exposure to abiotic stress. OsDIAT-overexpressing (OsDIATOX) plants were more tolerant to drought stress, whereas osdiat plants were more susceptible to drought stress compared with nontransgenic (NT) plants. Amino acid analysis revealed that BCAA levels were higher in OsDIATOX but lower in osdiat compared with in NT plants. Finally, the exogenous application of BCAAs improved plant tolerance to osmotic stress compared with that in control plants. Collectively, these findings suggest that OsDIAT mediates drought tolerance by promoting the accumulation of BCAAs.
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