ArticleFrontiers in plant science2016
Root ABA Accumulation Enhances Rice Seedling Drought Tolerance under Ammonium Supply: Interaction with Aquaporins.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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31 citing papers in PubMed, 79 citations in OpenAlex.
- Enhancement of wheat's adaptability to recurrent drought by improving water transport and root physiological resistance through nitrogen application and partial root-zone irrigation technology.BMC plant biology · 2026Article
- Drought adaptation in spring wheat seedlings relies on coordinated deep root architecture and cortical tissue allocation.Frontiers in plant science · 2026Article
- Article
- Subsurface Drip Irrigation Combined with Ammonium Enhances Root Growth in Rice (Plants (Basel, Switzerland) · 2025Article
- Effect of Combined Urea and Calcium Nitrate Application on Wheat Tiller Development, Nitrogen Use Efficiency, and Grain Yield.Plants (Basel, Switzerland) · 2025Article
- Exogenous Substances Used to Relieve Plants from Drought Stress and Their Associated Underlying Mechanisms.International journal of molecular sciences · 2024Review
- Identification of crucial drought-tolerant genes of barley through comparative transcriptomic analysis and yeast-based stress assay.Frontiers in genetics · 2024Article
- Gasotransmitter ammonia accelerates seed germination, seedling growth, and thermotolerance acquirement in maize.Plant signaling & behavior · 2023Article
- Drought Resistance and Ginsenosides Biosynthesis in Response to Abscisic Acid inInternational journal of molecular sciences · 2023Article
- Analysis of Potato Physiological and Molecular Adaptation in Response to Different Water and Nitrogen Combined Regimes.Plants (Basel, Switzerland) · 2023Article
- Physiological mechanism of melatonin attenuating to osmotic stress tolerance in soybean seedlings.Frontiers in plant science · 2023Article
- ABA-dependent suberization and aquaporin activity in rice (Frontiers in plant science · 2023Article
- Candidate regulators of drought stress in tomato revealed by comparative transcriptomic and proteomic analyses.Frontiers in plant science · 2023Article
- Abscisic acid influences ammonium transport via regulation of kinase CIPK23 and ammonium transporters.Plant physiology · 2022Article
- Current Studies of the Effects of Drought Stress on Root Exudates and Rhizosphere Microbiomes of Crop Plant Species.International journal of molecular sciences · 2022Review
- Response characteristics of root to moisture change at seedling stage ofFrontiers in plant science · 2022Article
- CBL-Interacting Protein Kinase OsCIPK18 Regulates the Response of Ammonium Toxicity in Rice Roots.Frontiers in plant science · 2022Article
- Effects of Combined Abiotic Stresses Related to Climate Change on Root Growth in Crops.Frontiers in plant science · 2022Review
- Transcriptomic and metabolomic profiles of Zea mays fed with urea and ammonium.Physiologia plantarum · 2021Article
- Characterization of transcription factor MYB59 and expression profiling in response to low KJournal, genetic engineering & biotechnology · 2021Article
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In previous studies, we demonstrated that ammonium nutrition enhances the drought tolerance of rice seedlings compared to nitrate nutrition and contributes to a higher root water uptake ability. It remains unclear why rice seedlings maintain a higher water uptake ability when supplied with ammonium under drought stress. Here, we focused on the effects of nitrogen form and drought stress on root abscisic acid (ABA) concentration and aquaporin expression using hydroponics experiments and stimulating drought stress with 10% PEG6000. Drought stress decreased the leaf photosynthetic rate and stomatal conductivity and increased the leaf temperature of plants supplied with either ammonium or nitrate, but especially under nitrate supply. After 4 h of PEG treatment, the root protoplast water permeability and the expression of root PIP and TIP genes decreased in plants supplied with ammonium or nitrate. After 24 h of PEG treatment, the root hydraulic conductivity, the protoplast water permeability, and the expression of some aquaporin genes increased in plants supplied with ammonium compared to those under non-PEG treatment. Root ABA accumulation was induced by 24 h of PEG treatment, especially in plants supplied with ammonium. The addition of exogenous ABA decreased the expression of PIP and TIP genes under non-PEG treatment but increased the expression of some of them under PEG treatment. We concluded that drought stress induced a down-regulation of aquaporin expression, which appeared earlier than did root ABA accumulation. With continued drought stress, aquaporin expression and activity increased due to root ABA accumulation in plants supplied with ammonium.
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