The Surprising Dynamics of Electrochemical Coupling at Membrane Sandwiches in Plants

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Ingo Dreyer
  • Fernando Vergara-Valladares
  • Franko Mérida-Quesada
  • María Eugenia Rubio-Meléndez
  • Naomí Hernández-Rojas
  • Janin Riedelsberger
  • Sadith Zobeida Astola-Mariscal
  • Charlotte Heitmüller
  • Mónica Yanez-Chávez
  • Oscar Arrey-Salas
  • Alex San Martín-Davison
  • Carlos Navarro-Retamal
  • Erwan Michard

Research Organisations

External Research Organisations

  • Universidad de Talca
  • University of Maryland
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Details

Original languageEnglish
Article number204
Number of pages10
JournalPlants
Volume12
Issue number1
Early online date3 Jan 2023
Publication statusPublished - Jan 2023

Abstract

Transport processes across membranes play central roles in any biological system. They are essential for homeostasis, cell nutrition, and signaling. Fluxes across membranes are governed by fundamental thermodynamic rules and are influenced by electrical potentials and concentration gradients. Transmembrane transport processes have been largely studied on single membranes. However, several important cellular or subcellular structures consist of two closely spaced membranes that form a membrane sandwich. Such a dual membrane structure results in remarkable properties for the transport processes that are not present in isolated membranes. At the core of membrane sandwich properties, a small intermembrane volume is responsible for efficient coupling between the transport systems at the two otherwise independent membranes. Here, we present the physicochemical principles of transport coupling at two adjacent membranes and illustrate this concept with three examples. In the supplementary material, we provide animated PowerPoint presentations that visualize the relationships. They could be used for teaching purposes, as has already been completed successfully at the University of Talca.

Keywords

    computational cell biology, mathematical model, modelling, nutrient transport, plant biophysics, plant–fungus interaction

ASJC Scopus subject areas

Cite this

The Surprising Dynamics of Electrochemical Coupling at Membrane Sandwiches in Plants. / Dreyer, Ingo; Vergara-Valladares, Fernando; Mérida-Quesada, Franko et al.
In: Plants, Vol. 12, No. 1, 204, 01.2023.

Research output: Contribution to journalArticleResearchpeer review

Dreyer, I, Vergara-Valladares, F, Mérida-Quesada, F, Rubio-Meléndez, ME, Hernández-Rojas, N, Riedelsberger, J, Astola-Mariscal, SZ, Heitmüller, C, Yanez-Chávez, M, Arrey-Salas, O, San Martín-Davison, A, Navarro-Retamal, C & Michard, E 2023, 'The Surprising Dynamics of Electrochemical Coupling at Membrane Sandwiches in Plants', Plants, vol. 12, no. 1, 204. https://doi.org/10.3390/plants12010204
Dreyer, I., Vergara-Valladares, F., Mérida-Quesada, F., Rubio-Meléndez, M. E., Hernández-Rojas, N., Riedelsberger, J., Astola-Mariscal, S. Z., Heitmüller, C., Yanez-Chávez, M., Arrey-Salas, O., San Martín-Davison, A., Navarro-Retamal, C., & Michard, E. (2023). The Surprising Dynamics of Electrochemical Coupling at Membrane Sandwiches in Plants. Plants, 12(1), Article 204. https://doi.org/10.3390/plants12010204
Dreyer I, Vergara-Valladares F, Mérida-Quesada F, Rubio-Meléndez ME, Hernández-Rojas N, Riedelsberger J et al. The Surprising Dynamics of Electrochemical Coupling at Membrane Sandwiches in Plants. Plants. 2023 Jan;12(1):204. Epub 2023 Jan 3. doi: 10.3390/plants12010204
Dreyer, Ingo ; Vergara-Valladares, Fernando ; Mérida-Quesada, Franko et al. / The Surprising Dynamics of Electrochemical Coupling at Membrane Sandwiches in Plants. In: Plants. 2023 ; Vol. 12, No. 1.
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abstract = "Transport processes across membranes play central roles in any biological system. They are essential for homeostasis, cell nutrition, and signaling. Fluxes across membranes are governed by fundamental thermodynamic rules and are influenced by electrical potentials and concentration gradients. Transmembrane transport processes have been largely studied on single membranes. However, several important cellular or subcellular structures consist of two closely spaced membranes that form a membrane sandwich. Such a dual membrane structure results in remarkable properties for the transport processes that are not present in isolated membranes. At the core of membrane sandwich properties, a small intermembrane volume is responsible for efficient coupling between the transport systems at the two otherwise independent membranes. Here, we present the physicochemical principles of transport coupling at two adjacent membranes and illustrate this concept with three examples. In the supplementary material, we provide animated PowerPoint presentations that visualize the relationships. They could be used for teaching purposes, as has already been completed successfully at the University of Talca.",
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AU - Dreyer, Ingo

AU - Vergara-Valladares, Fernando

AU - Mérida-Quesada, Franko

AU - Rubio-Meléndez, María Eugenia

AU - Hernández-Rojas, Naomí

AU - Riedelsberger, Janin

AU - Astola-Mariscal, Sadith Zobeida

AU - Heitmüller, Charlotte

AU - Yanez-Chávez, Mónica

AU - Arrey-Salas, Oscar

AU - San Martín-Davison, Alex

AU - Navarro-Retamal, Carlos

AU - Michard, Erwan

N1 - Funding Information: This research was funded by the Agencia Nacional de Investigación y Desarrollo de Chile (ANID), grant No. 21220432 to F.M.-Q., No. 21220419 to F.V.-V., and Anillo-ANID ATE220043 (the multidisciplinary center for biotechnology and molecular biology for climate change adaptative in forest resources; CeBioClif) to I.D.; the National Institutes of Health (NIH), grant No. R01-GM131043 to C.N.-R; and by Fondo Nacional de Desarrollo Científico, Tecnológico y de Innovación Tecnológica (FONDECYT/Chile), grant No. 3190544 to M.E.R.-M., No. 1210920 to E.M, and No. 1220504 to I.D. C.H. received a PROMOS fellowship from the German Academic Exchange Service (DAAD) and the Leibniz Universität Hannover.

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KW - mathematical model

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