ArticlePlant signaling & behavior2008
Na-K transport in roots under salt stress.
Article in Plant signaling & behavior, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Mechanistic Insights into Selenium-Induced Tolerance of Cucumber (Plants (Basel, Switzerland) · 2026Article
- Genome-wide transcriptional and metabolic responses of Eschscholzia californica to salt stress.BMC plant biology · 2026Article
- Physiological Mechanisms and Core Genes in Response to Saline-Alkali Stress in Foxtail Millet (Biomolecules · 2025Article
- Ion Changes and Signaling under Salt Stress in Wheat and Other Important Crops.Plants (Basel, Switzerland) · 2023Review
- Proto Kranz-like leaf traits and cellular ionic regulation are associated with salinity tolerance in a halophytic wild rice.Stress biology · 2022Article
- Comparative Transcriptome Analysis Reveals Molecular Defensive Mechanism ofInternational journal of genomics · 2020Article
- Modulation of Ion Transport Across Plant Membranes by Polyamines: Understanding Specific Modes of Action Under Stress.Frontiers in plant science · 2020Article
- Differing metabolic responses to salt stress in wheat-barley addition lines containing different 7H chromosomal fragments.PloS one · 2017Article
- Genomics Approaches For Improving Salinity Stress Tolerance in Crop Plants.Current genomics · 2016Article
- Tissue-specific root ion profiling reveals essential roles of the CAX and ACA calcium transport systems in response to hypoxia in Arabidopsis.Journal of experimental botany · 2016Article
- Early osmotic, antioxidant, ionic, and redox responses to salinity in leaves and roots of Indian mustard (Brassica juncea L.).Protoplasma · 2016Article
- Transcriptome analysis of salinity responsiveness in contrasting genotypes of finger millet (Eleusine coracana L.) through RNA-sequencing.Plant molecular biology · 2014Article
- Polyamines control of cation transport across plant membranes: implications for ion homeostasis and abiotic stress signaling.Frontiers in plant science · 2014Review
- Mechanisms of salt tolerance in habanero pepper plants (Capsicum chinense Jacq.): Proline accumulation, ions dynamics and sodium root-shoot partition and compartmentation.Frontiers in plant science · 2014Article
- Synergism between polyamines and ROS in the induction of Ca ( 2+) and K (+) fluxes in roots.Plant signaling & behavior · 2012Article
- Polyamines interact with hydroxyl radicals in activating Ca(2+) and K(+) transport across the root epidermal plasma membranes.Plant physiology · 2011Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Salinity causes billion dollar losses in annual crop production. So far, the main avenue in breeding crops for salt tolerance has been to reduce Na(+) uptake and transport from roots to shoots. Recently we have demonstrated that retention of cytosolic K(+) could be considered as another key factor in conferring salt tolerance in plants. A subsequent study has shown that Na(+)-induced K(+) efflux in barley root epidermis occurs primarily via outward rectifying K(+) channels (KORC). Surprisingly, expression of KORC was similar in salt- tolerant and sensitive genotypes. However, the former were able to better oppose Na(+)-induced depolarization via enhanced activity of plasma membrane H(+)-ATPase (thus minimizing K(+) leak from the cytosol). In addition to highly K(+)-selective KORC channels, activities of several types of non-selective cation channels were detected at depolarizing potentials. Here we show that the expression of one of them, NORC, was significantly lower in salt-tolerant genotypes. As NORC is capable of mediating K(+) efflux coupled to Na(+) influx, we suggest that the restriction of its activity could be beneficial for plants under salt stress.
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