ArticleFrontiers in plant science2016
Measurement of Differential Na(+) Efflux from Apical and Bulk Root Zones of Intact Barley and Arabidopsis Plants.
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 11 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
11 citing papers in PubMed, 29 citations in OpenAlex.
- SALT OVERLY SENSITIVE 1 NaPlant, cell & environment · 2026Article
- Article
- Continuous monitoring of plant sodium transport dynamics using clinical PET.Plant methods · 2021Article
- A novel tonoplast NaPlant cell reports · 2020Article
- Advances in studies on ion transporters involved in salt tolerance and breeding crop cultivars with high salt tolerance.Journal of Zhejiang University. Science. B · 2020Review
- Effects of NaHCOPlants (Basel, Switzerland) · 2019Article
- Article
- A Comprehensive Biophysical Model of Ion and Water Transport in Plant Roots. II. Clarifying the Roles of SOS1 in the Salt-Stress Response inFrontiers in plant science · 2019Article
- Membrane fluxes, bypass flows, and sodium stress in rice: the influence of silicon.Journal of experimental botany · 2018Article
- The Role of NaFrontiers in physiology · 2017Review
- The Role of Silicon in Higher Plants under Salinity and Drought Stress.Frontiers in plant science · 2016Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rapid sodium cycling across the plasma membrane of root cells is widely thought to be associated with Na(+) toxicity in plants. However, the efflux component of this cycling is not well understood. Efflux of Na(+) from root cells is believed to be mediated by Salt Overly-Sensitive-1, although expression of this Na(+)/H(+) antiporter has been localized to the vascular tissue and root meristem. Here, we used a chambered cuvette system in which the distal root of intact salinized barley and Arabidopsis thaliana plants (wild-type and sos1) were isolated from the bulk of the root by a silicone-acrylic barrier, so that we could compare patterns of (24)Na(+) efflux in these two regions of root. In barley, steady-state release of (24)Na(+) was about four times higher from the distal root than from the bulk roots. In the distal root, (24)Na(+) release was pronouncedly decreased by elevated pH (9.2), while the bulk-root release was not significantly affected. In A. thaliana, tracer efflux was about three times higher from the wild-type distal root than from the wild-type bulk root and also three to four times higher than both distal- and bulk-root fluxes of Atsos1 mutants. Elevated pH also greatly reduced the efflux from wild-type roots. These findings support a significant role of SOS1-mediated Na(+) efflux in the distal root, but not in the bulk root.
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