ArticlePlanta2016
Salt intolerance in Arabidopsis: shoot and root sodium toxicity, and inhibition by sodium-plus-potassium overaccumulation.
Article in Planta, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 47 citations in OpenAlex.
- A GmeIF2B5-GmPRX4 Regulatory Axis Divergently Governs Drought-Lignin and Salt-Ion Homeostasis in Soybean.Plant biotechnology journal · 2026Article
- Harnessing Rhodopseudomonas palustris strains for salt stress mitigation in Arabidopsis thaliana.BMC plant biology · 2026Article
- GmAKT1-mediated KPlant biotechnology journal · 2025Article
- Identification and Functional Characterization ofInternational journal of molecular sciences · 2023Article
- Nitric Oxide Regulates Seed Germination by Integrating Multiple Signalling Pathways.International journal of molecular sciences · 2023Review
- CONSTANS-LIKE 1a positively regulates salt and drought tolerance in soybean.Plant physiology · 2023Article
- Salinity-Induced Cytosolic Alkaline Shifts in Arabidopsis Roots Require the SOS Pathway.International journal of molecular sciences · 2023Article
- The calcium sensor CBL7 is required for Serendipita indica-induced growth stimulation in Arabidopsis thaliana, controlling defense against the endophyte and KPlant, cell & environment · 2022Article
- The Halophyte SpeciesPlants (Basel, Switzerland) · 2022Article
- Nitrogen in plants: from nutrition to the modulation of abiotic stress adaptation.Stress biology · 2022Review
- Article
- The Loss of Function of theFrontiers in plant science · 2021Article
- NRT1.1 Dual-Affinity Nitrate Transport/Signalling and its Roles in Plant Abiotic Stress Resistance.Frontiers in plant science · 2021Review
- Loss of salt tolerance during tomato domestication conferred by variation in a NaThe EMBO journal · 2020Article
- Coordinated Transport of Nitrate, Potassium, and Sodium.Frontiers in plant science · 2020Review
- The Arabidopsis splicing regulator SR45 confers salt tolerance in a splice isoform-dependent manner.Plant molecular biology · 2019Article
- Plant Salinity Stress: Many Unanswered Questions Remain.Frontiers in plant science · 2019Review
- The Role of NaFrontiers in physiology · 2017Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
MAIN
conclusionArabidopsis plants in NaCl suffering half growth inhibition do not suffer osmotic stress and seldom shoot Na (+) toxicity; overaccumulation of Na (+) plus K (+) might trigger the inhibition. It is widely assumed that salinity inhibits plant growth by osmotic stress and shoot Na(+) toxicity. This study aims to examine the growth inhibition of Arabidopsis thaliana by NaCl concentrations that allow the completion of the life cycle. Unaffected Col-0 wild-type plants were used to define nontoxic Na(+) contents; Na(+) toxicities in shoots and roots were analyzed in hkt1 and sos1 mutants, respectively. The growth inhibition of Col-0 plants at 40 mM Na(+) was mild and equivalent to that produced by 8 and 4 mM Na(+) in hkt1 and sos1 plants, respectively. Therefore, these mutants allowed to study the toxicity of Na(+) in the absence of an osmotic challenge. Col-0 and Ts-1 accessions showed very different Na(+) contents but similar growth inhibitions; Ts-1 plants showed very high leaf Na(+) contents but no symptoms of Na(+) toxicity. Ak-1, C24, and Fei-0 plants were highly affected by NaCl showing evident symptoms of shoot Na(+) toxicity. Increasing K(+) in isotonic NaCl/KCl combinations dramatically decreased the Na(+) content in all Arabidopsis accessions and eliminated the signs of Na(+) toxicity in most of them but did not relieve growth inhibition. This suggested that the dominant inhibition in these conditions was either osmotic or of an ionic nature unspecific for Na(+) or K(+). Col-0 and Ts-1 plants growing in sorbitol showed a clear osmotic stress characterized by a notable decrease of their water content, but this response did not occur in NaCl. Overaccumulation of Na(+) plus K(+) might trigger growth reduction in NaCl-treated plants.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.