Lateral reorganization of plasma membrane is involved in the yeast resistance to severe dehydration

Biochimica Et Biophysica Acta
Sébastien DupontP Gervais

Abstract

In this study, we investigated the kinetic and the magnitude of dehydrations on yeast plasma membrane (PM) modifications because this parameter is crucial to cell survival. Functional (permeability) and structural (morphology, ultrastructure, and distribution of the protein Sur7-GFP contained in sterol-rich membrane microdomains) PM modifications were investigated by confocal and electron microscopy after progressive (non-lethal) and rapid (lethal) hyperosmotic perturbations. Rapid cell dehydration induced the formation of many PM invaginations followed by membrane internalization of low sterol content PM regions with time. Permeabilization of the plasma membrane occurred during the rehydration stage because of inadequacies in the membrane surface and led to cell death. Progressive dehydration conducted to the formation of some big PM pleats without membrane internalization. It also led to the modification of the distribution of the Sur7-GFP microdomains, suggesting that a lateral rearrangement of membrane components occurred. This event is a function of time and is involved in the particular deformations of the PM during a progressive perturbation. The maintenance of the repartition of the microdomains during rapid perturbatio...Continue Reading

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Citations

May 4, 2012·Applied Microbiology and Biotechnology·Guillaume LemetaisPatrick Gervais
Aug 10, 2011·Molecular & Cellular Proteomics : MCP·Aleksandra SzopinskaPierre Morsomme
May 4, 2013·Annual Review of Plant Biology·Jan MalinskyWidmar Tanner
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Aug 31, 2014·Applied Microbiology and Biotechnology·Sebastien DupontLaurent Beney
Feb 12, 2013·Fungal Genetics and Biology : FG & B·Alexandros AthanasopoulosVicky Sophianopoulou
Nov 9, 2010·Cryobiology·Vishard RagoonananAlptekin Aksan
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Mar 17, 2016·Applied Microbiology and Biotechnology·Antonio Anchieta de CâmaraMárcia Regina da Silva Pedrini
Dec 3, 2014·European Journal of Cell Biology·Katarina VaskovicovaJan Malinsky
Nov 18, 2010·Biochimica Et Biophysica Acta·Sebastien DupontPatrick Gervais
Dec 19, 2014·Molecular Biology of the Cell·Evan L GuineyMartha S Cyert
Dec 10, 2013·Applied Microbiology and Biotechnology·Marcia Regina da Silva PedriniPatrick Gervais
Nov 26, 2013·FEMS Microbiology Letters·Diana BorovikovaHana Sychrova
Jun 14, 2014·Biotechnology and Applied Biochemistry·Mara GrubeAlexander Rapoport
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Nov 7, 2019·Applied Microbiology and Biotechnology·Fábio Gonçalves Macêdo de MedeirosMárcia Regina da Silva Pedrini
Sep 11, 2019·FEMS Microbiology Reviews·Alexandros AthanasopoulosChristos Gournas
Mar 15, 2020·Applied Microbiology and Biotechnology·Vincent Robert Guy Greffe, Jan Michiels
Jul 3, 2021·Antioxidants·Sebastien DupontLaurent Beney

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