Plant Plasma Membrane

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Cell Biology".

Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 16546

Special Issue Editors


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Guest Editor
Laboratoire de Biogènese Membranaire, UMR 5200, CNRS, Université de Bordeaux, 71 Avenue Edouard Bourlaux, F-33140 Villenave d'Ornon, France

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Guest Editor
Agroécologie, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, 21065 Dijon, France
Interests: plasma membrane; elicitor; lipids; pathogen; signaling

Special Issue Information

Dear Colleagues,

Accumulating evidence shows that the plant plasma membrane is highly organized to fulfill functions such as homeostasis of nutritional status, immune signaling, or response to hormones. However, molecular determinants of this complex, dynamic, and extremely regulated organization are, for the moment, far from being fully understood. In this Special issue of the Open Access journal Plants, we would like to emphasize the role of membrane components, lipids, and proteins, and of their diverse interactions in the set-up and maintenance of this organization. In this respect, we find it essential to pay particular attention to their molecular diversity, and to the underlying process, for instance, lipid glycosylation or protein post-translational modifications, such as lipid-modified proteins. A special emphasis will also be placed on analyzing the link between PM components and two main players of plant cell architecture, namely, plant cytoskeleton and plant cell wall.

Beyond description, at various spatial and temporal scales of structural organization and analysis of its molecular determinants, a particular interest will be given to its functional outputs regarding the regulation of protein activity and regulation of signaling pathways.

Literature reviews and original articles reporting biochemical, biophysical, imaging or modeling data dealing with these subjects will be most welcome.

We look forward to hearing from you.

Dr. Sébastien Mongrand
Dr. Françoise Simon-Plas
Guest Editors

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Keywords

  • plasma membrane
  • membrane domains
  • lipids
  • membrane proteins
  • cytoskeleton
  • cell wall
  • signaling
  • subcompartimentalization
  • biosensors
  • plant–microbe interaction
  • receptors
  • hormones

Published Papers (5 papers)

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Research

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17 pages, 2090 KiB  
Article
Sphingolipid Effects on the Plasma Membrane Produced by Addition of Fumonisin B1 to Maize Embryos
by Nora A. Gutiérrez-Nájera, Mariana Saucedo-García, Liliana Noyola-Martínez, Christian Vázquez-Vázquez, Silvia Palacios-Bahena, Laura Carmona-Salazar, Javier Plasencia, Mohammed El-Hafidi and Marina Gavilanes-Ruiz
Plants 2020, 9(2), 150; https://doi.org/10.3390/plants9020150 - 23 Jan 2020
Cited by 9 | Viewed by 2770
Abstract
Fumonisin B1 is a mycotoxin produced by Fusarium verticillioides that modifies the membrane properties from animal cells and inhibits complex sphingolipids synthesis through the inhibition of ceramide synthase. The aim of this work was to determine the effect of Fumonisin B1 on the [...] Read more.
Fumonisin B1 is a mycotoxin produced by Fusarium verticillioides that modifies the membrane properties from animal cells and inhibits complex sphingolipids synthesis through the inhibition of ceramide synthase. The aim of this work was to determine the effect of Fumonisin B1 on the plant plasma membrane when the mycotoxin was added to germinating maize embryos. Fumonisin B1 addition to the embryos diminished plasma membrane fluidity, increased electrolyte leakage, caused a 7-fold increase of sphinganine and a small decrease in glucosylceramide in the plasma membrane, without affecting phytosphingosine levels or fatty acid composition. A 20%–30% inhibition of the plasma membrane H+-ATPase activity was observed when embryos were germinated in the presence of the mycotoxin. Such inhibition was only associated to the decrease in glucosylceramide and the addition of exogenous ceramide to the embryos relieved the inhibition of Fumonisin B1. These results indicate that exposure of the maize embryos for 24 h to Fumonisin B1 allowed the mycotoxin to target ceramide synthase at the endoplasmic reticulum, eliciting an imbalance of endogenous sphingolipids. The latter disrupted membrane properties and inhibited the plasma membrane H+-ATPase activity. Altogether, these results illustrate the mode of action of the pathogen and a plant defense strategy. Full article
(This article belongs to the Special Issue Plant Plasma Membrane)
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14 pages, 2469 KiB  
Article
Plant-Unique cis/trans Isomerism of Long-Chain Base Unsaturation is Selectively Required for Aluminum Tolerance Resulting from Glucosylceramide-Dependent Plasma Membrane Fluidity
by Masaya Sato, Minoru Nagano, Song Jin, Atsuko Miyagi, Masatoshi Yamaguchi, Maki Kawai-Yamada and Toshiki Ishikawa
Plants 2020, 9(1), 19; https://doi.org/10.3390/plants9010019 - 23 Dec 2019
Cited by 9 | Viewed by 2752
Abstract
Cis/trans isomerism of the Δ8 unsaturation of long-chain base (LCB) is found only in plant sphingolipids. This unique geometry is generated by sphingolipid LCB Δ8 desaturase SLD which produces both isomers at various ratios, resulting in diverse cis/trans ratios [...] Read more.
Cis/trans isomerism of the Δ8 unsaturation of long-chain base (LCB) is found only in plant sphingolipids. This unique geometry is generated by sphingolipid LCB Δ8 desaturase SLD which produces both isomers at various ratios, resulting in diverse cis/trans ratios in plants. However, the biological significance of this isomeric diversity remains controversial. Here, we show that the plant-specific cis unsaturation of LCB selectively contributes to glucosylceramide (GlcCer)-dependent tolerance to aluminum toxicity. We established three transgenic rice lines with altered LCB unsaturation profiles. Overexpression of SLD from rice (OsSLD-OX), which preferentially exhibits cis-activity, or Arabidopsis (AtSLD-OX), showing preference for trans-activity, facilitated Δ8 unsaturation in different manners: a slight increase of cis-unsaturated glycosylinositolphosphoceramide (GIPC) in OsSLD-OX, and a drastic increase of trans-unsaturated GlcCer and GIPC in AtSLD-OX. Disruption of LCB Δ4 desaturase (des) significantly decreased the content of GlcCer. Fluorescence imaging analysis revealed that OsSLD-OX and AtSLD-OX showed increased plasma membrane fluidity, whereas des had less fluidity, demonstrating that the isomers universally contributed to increasing membrane fluidity. However, the results of a hydroponic assay showed decreased aluminum tolerance in AtSLD-OX and des compared to OsSLD-OX and the control plants, which did not correlate with membrane fluidity. These results suggest that cis-unsaturated GlcCer, not GIPC, selectively serves to maintain the membrane fluidity specifically associated with aluminum tolerance. Full article
(This article belongs to the Special Issue Plant Plasma Membrane)
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Review

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24 pages, 2832 KiB  
Review
Contributions and Limitations of Biophysical Approaches to Study of the Interactions between Amphiphilic Molecules and the Plant Plasma Membrane
by Aurélien L. Furlan, Yoann Laurin, Camille Botcazon, Nely Rodríguez-Moraga, Sonia Rippa, Magali Deleu, Laurence Lins, Catherine Sarazin and Sébastien Buchoux
Plants 2020, 9(5), 648; https://doi.org/10.3390/plants9050648 - 20 May 2020
Cited by 11 | Viewed by 4102
Abstract
Some amphiphilic molecules are able to interact with the lipid matrix of plant plasma membranes and trigger the immune response in plants. This original mode of perception is not yet fully understood and biophysical approaches could help to obtain molecular insights. In this [...] Read more.
Some amphiphilic molecules are able to interact with the lipid matrix of plant plasma membranes and trigger the immune response in plants. This original mode of perception is not yet fully understood and biophysical approaches could help to obtain molecular insights. In this review, we focus on such membrane-interacting molecules, and present biophysically grounded methods that are used and are particularly interesting in the investigation of this mode of perception. Rather than going into overly technical details, the aim of this review was to provide to readers with a plant biochemistry background a good overview of how biophysics can help to study molecular interactions between bioactive amphiphilic molecules and plant lipid membranes. In particular, we present the biomimetic membrane models typically used, solid-state nuclear magnetic resonance, molecular modeling, and fluorescence approaches, because they are especially suitable for this field of research. For each technique, we provide a brief description, a few case studies, and the inherent limitations, so non-specialists can gain a good grasp on how they could extend their toolbox and/or could apply new techniques to study amphiphilic bioactive compound and lipid interactions. Full article
(This article belongs to the Special Issue Plant Plasma Membrane)
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11 pages, 1408 KiB  
Review
Biological and Cellular Functions of the Microdomain-Associated FWL/CNR Protein Family in Plants
by Sandra Thibivilliers, Andrew Farmer and Marc Libault
Plants 2020, 9(3), 377; https://doi.org/10.3390/plants9030377 - 19 Mar 2020
Cited by 7 | Viewed by 2921
Abstract
Membrane microdomains/nanodomains are sub-compartments of the plasma membrane enriched in sphingolipids and characterized by their unique protein composition. They play important roles in regulating plant development and plant-microbe interactions including mutualistic symbiotic interactions. Several protein families are associated with the microdomain fraction of [...] Read more.
Membrane microdomains/nanodomains are sub-compartments of the plasma membrane enriched in sphingolipids and characterized by their unique protein composition. They play important roles in regulating plant development and plant-microbe interactions including mutualistic symbiotic interactions. Several protein families are associated with the microdomain fraction of biological membranes such as flotillins, prohibitins, and remorins. More recently, GmFWL1, a FWL/CNR protein exclusively expressed in the soybean nodule, was functionally characterized as a new microdomain-associated protein. Interestingly, GmFWL1 is homologous to the tomato FW2-2 protein, a major regulator of tomato fruit development. In this review, we summarize the knowledge gained about the biological, cellular, and physiological functions of members of the FWL/CNR family across various plant species. The role of the FWL/CNR proteins is also discussed within the scope of their evolution and transcriptional regulation. Full article
(This article belongs to the Special Issue Plant Plasma Membrane)
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Other

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14 pages, 2824 KiB  
Brief Report
Subcellular Targeting of Plant Sucrose Transporters Is Affected by Their Oligomeric State
by Varsha Garg, Aleksandra Hackel and Christina Kühn
Plants 2020, 9(2), 158; https://doi.org/10.3390/plants9020158 - 27 Jan 2020
Cited by 10 | Viewed by 3343
Abstract
Post-translational regulation of sucrose transporters represents one possibility to adapt transporter activity in a very short time frame. This can occur either via phosphorylation/dephosphorylation, oligomerization, protein–protein interactions, endocytosis/exocytosis, or degradation. It is also known that StSUT1 can change its compartmentalization at the plasma [...] Read more.
Post-translational regulation of sucrose transporters represents one possibility to adapt transporter activity in a very short time frame. This can occur either via phosphorylation/dephosphorylation, oligomerization, protein–protein interactions, endocytosis/exocytosis, or degradation. It is also known that StSUT1 can change its compartmentalization at the plasma membrane and concentrate in membrane microdomains in response to changing redox conditions. A systematic screen for protein–protein-interactions of plant sucrose transporters revealed that the interactome of all three known sucrose transporters from the Solanaceous species Solanum tuberosum and Solanum lycopersicum represents a specific subset of interaction partners, suggesting different functions for the three different sucrose transporters. Here, we focus on factors that affect the subcellular distribution of the transporters. It was already known that sucrose transporters are able to form homo- as well as heterodimers. Here, we reveal the consequences of homo- and heterodimer formation and the fact that the responses of individual sucrose transporters will respond differently. Sucrose transporter SlSUT2 is mainly found in intracellular vesicles and several of its interaction partners are involved in vesicle traffic and subcellular targeting. The impact of interaction partners such as SNARE/VAMP proteins on the localization of SlSUT2 protein will be investigated, as well as the impact of inhibitors, excess of substrate, or divalent cations which are known to inhibit SUT1-mediated sucrose transport in yeast cells. Thereby we are able to identify factors regulating sucrose transporter activity via a change of their subcellular distribution. Full article
(This article belongs to the Special Issue Plant Plasma Membrane)
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