ArticleJournal of experimental botany2019
Root-zone-specific sensitivity of K+-and Ca2+-permeable channels to H2O2 determines ion homeostasis in salinized diploid and hexaploid Ipomoea trifida.
Article in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 53 citations in OpenAlex.
- Dissecting the ROS signalling component of salinity tolerance: tissue-specific K+/Na+ homeostasis in quinoa and spinach roots.Journal of experimental botany · 2026Article
- Integrated physiological and multi-omics analyses reveal genotype-specific GABA responses associated with salt tolerance inFrontiers in plant science · 2026Article
- Antioxidant capacity and root KPlant cell reports · 2025Article
- Polyploidization: A Biological Force That Enhances Stress Resistance.International journal of molecular sciences · 2024Review
- H2O2-dependent oxidation of the transcription factor GmNTL1 promotes salt tolerance in soybean.The Plant cell · 2023Article
- Review
- Enhanced NaPlanta · 2023Article
- A C2-Domain Abscisic Acid-Related Gene,International journal of molecular sciences · 2022Article
- Article
- Review
- Potassium deficiency causes more nitrate nitrogen to be stored in leaves for low-K sensitive sweet potato genotypes.Frontiers in plant science · 2022Article
- Polyploidy: an evolutionary and ecological force in stressful times.The Plant cell · 2021Review
- A Salt-Signaling Network Involving Ethylene, Extracellular ATP, Hydrogen Peroxide, and Calcium Mediates KInternational journal of molecular sciences · 2020Article
- Polyploidy: A Biological Force From Cells to Ecosystems.Trends in cell biology · 2020Review
- Integrative analyses of transcriptomics and metabolomics upon seed germination of foxtail millet in response to salinity.Scientific reports · 2020Article
- Overexpression of phosphatidylserine synthaseHorticulture research · 2020Article
- Synthetic Polyploidy in Grafted Crops.Frontiers in plant science · 2020Review
- Tissue-specific respiratory burst oxidase homolog-dependent H2O2 signaling to the plasma membrane H+-ATPase confers potassium uptake and salinity tolerance in Cucurbitaceae.Journal of experimental botany · 2019Article
- Linking ploidy level with salinity tolerance: NADPH-dependent 'ROS-Ca2+ hub' in the spotlight.Journal of experimental botany · 2019Article
- Involvement of Phosphatidylserine and Triacylglycerol in the Response of Sweet Potato Leaves to Salt Stress.Frontiers in plant science · 2019Article
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polyploids generally possess superior K+/Na+ homeostasis under saline conditions compared with their diploid progenitors. In this study, we identified the physiological mechanisms involved in the ploidy-related mediation of K+/Na+ homeostasis in the roots of diploid (2x) and hexaploid (6x; autohexaploid) Ipomoea trifida, which is the closest relative of cultivated sweet potato. Results showed that 6x I. trifida retained more K+ and accumulated less Na+ in the root and leaf tissues under salt stress than 2x I. trifida. Compared with its 2x ancestor, 6x I. trifida efficiently prevents K+ efflux from the meristem root zone under salt stress through its plasma membrane (PM) K+-permeable channels, which have low sensitivity to H2O2. Moreover, 6x I. trifida efficiently excludes Na+ from the elongation and mature root zones under salt stress because of the high sensitivity of PM Ca2+-permeable channels to H2O2. Our results suggest the root-zone-specific sensitivity to H2O2 of PM K+- and Ca2+-permeable channels in the co-ordinated control of K+/Na+ homeostasis in salinized 2x and 6x I. trifida. This work provides new insights into the improved maintenance of K+/Na+ homeostasis of polyploids under salt stress.
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