ArticleJournal of experimental botany2010
The surface charge density of plant cell membranes (sigma): an attempt to resolve conflicting values for intrinsic sigma.
Article in Journal of experimental botany, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- Nanoparticle-enhanced multi-target RNAi in Myzus persicae: Molecular mechanisms, cross-kingdom sRNA transfer, and efficacy for sustainable pest management.Pest management science · 2026Article
- Genetic transformation and CRISPR/Cas12a-mediated gene editing of European beech (Fagus sylvatica L.) employing a transient protoplast system.Communications biology · 2026Article
- The influence of electrical charge on plasmodesma conductivity.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Electrical properties of plant root cell plasma membrane influence the alleviation of Al and Cu phytotoxicity by Ca and Mg cations.Environmental science and pollution research international · 2021Article
- Spontaneous Formation of Cushioned Model Membranes Promoted by an Intrinsically Disordered Protein.Langmuir : the ACS journal of surfaces and colloids · 2020Article
- Article
- Nanoparticles and Nanomaterials as Plant Biostimulants.International journal of molecular sciences · 2019Review
- Sodium chloride decreases cadmium accumulation and changes the response of metabolites to cadmium stress in the halophyte Carpobrotus rossii.Annals of botany · 2018Article
- Effects of the discharge of uranium mining effluents on the water quality of the reservoir: an integrative chemical and ecotoxicological assessment.Scientific reports · 2017Article
- Multifunctional scanning ion conductance microscopy.Proceedings. Mathematical, physical, and engineering sciences · 2017Review
- Aluminium alleviates manganese toxicity to rice by decreasing root symplastic Mn uptake and reducing availability to shoots of Mn stored in roots.Annals of botany · 2015Article
- Nano titania aided clustering and adhesion of beneficial bacteria to plant roots to enhance crop growth and stress management.Scientific reports · 2015Article
- Higher sterol content regulated by CYP51 with concomitant lower phospholipid content in membranes is a common strategy for aluminium tolerance in several plant species.Journal of experimental botany · 2015Article
- Surface Electrical Potentials of Root Cell Plasma Membranes: Implications for Ion Interactions, Rhizotoxicity, and Uptake.International journal of molecular sciences · 2014Review
- Strong non-classical induction forces in ion-surface interactions: general origin of Hofmeister effects.Scientific reports · 2014Article
- Molecular and physiological analysis of Al³⁺ and H⁺ rhizotoxicities at moderately acidic conditions.Plant physiology · 2013Article
- Calculated activity of Mn2+ at the outer surface of the root cell plasma membrane governs Mn nutrition of cowpea seedlings.Journal of experimental botany · 2011Article
- A novel approach for predicting the uptake and toxicity of metallic and metalloid ions.Plant signaling & behavior · 2011Article
- Plasma membrane surface potential: dual effects upon ion uptake and toxicity.Plant physiology · 2011Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The electrical potentials at membrane surfaces (psi0) strongly influence the physiological responses to ions. Ion activities at membrane surfaces may be computed from psi0, and physiological responses to ions are better interpreted with surface activities than with bulk-phase activities. psi0 influences the gating of ion channels and the driving force for ion fluxes across membranes. psi0 may be computed with electrostatic models incorporating the intrinsic surface charge density of the membrane (sigma0), the ion composition of the bathing medium, and ion binding to the membrane. Some of the parameter values needed for the models are well established: the equilibrium constants for ion binding were confirmed for several ions using multiple approaches, and a method is proposed for the computation of other binding constants. sigma0 is less well established, although it has been estimated by several methods, including computation from the near-surface electrical potentials [zeta (zeta) potentials] measured by electrophoreses. Computation from zeta potentials yields values in the range -2 mC m(-2) to -8 mC m(-2), but other methods yield values in the range -15 mC m(-2) to -40 mC m(-2). A systematic discrepancy between measured and computed zeta potentials was noted. The preponderance of evidence supports the suitability of sigma0=-30 mC m(-2). A proposed, fully paramatized Gouy-Chapman-Stern model appears to be suitable for the interpretation of many plant responses to the ionic environment.
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