2022
Actuating tension-loaded DNA clamps drives membrane tubulation
Liu L, Xiong Q, Xie C, Pincet F, Lin C. Actuating tension-loaded DNA clamps drives membrane tubulation. Science Advances 2022, 8: eadd1830. PMID: 36223466, PMCID: PMC9555772, DOI: 10.1126/sciadv.add1830.Peer-Reviewed Original ResearchConceptsDNA clampMembrane tubulationMembrane dynamicsMembrane-remodeling eventsVesicle tubulationConformational changesSpatiotemporal controlDNA signalsCell membraneDNA nanostructuresTubulationMembrane deformationClosed stateOpen stateSelf-assembled DNA nanostructuresOrganismsProteinMembrane tubeArtificial systemsTube widthMembraneDynamics
2017
Actual fusion efficiency in the lipid mixing assay - Comparison between nanodiscs and liposomes
François-Martin C, Pincet F. Actual fusion efficiency in the lipid mixing assay - Comparison between nanodiscs and liposomes. Scientific Reports 2017, 7: 43860. PMID: 28266607, PMCID: PMC5339690, DOI: 10.1038/srep43860.Peer-Reviewed Original Research
2016
A Programmable DNA Origami Platform to Organize SNAREs for Membrane Fusion
Xu W, Nathwani B, Lin C, Wang J, Karatekin E, Pincet F, Shih W, Rothman JE. A Programmable DNA Origami Platform to Organize SNAREs for Membrane Fusion. Journal Of The American Chemical Society 2016, 138: 4439-4447. PMID: 26938705, PMCID: PMC4950518, DOI: 10.1021/jacs.5b13107.Peer-Reviewed Original ResearchConceptsMembrane fusionSoluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) complexCore molecular machineryMembrane fusion eventsProtein receptor complexMembrane fusion processMolecular machineryDNA origami platformTarget membraneAuxiliary proteinsIntracellular communicationDocking stepSingle-event levelReceptor complexLipid mixingSmall unilamellar vesiclesLipid bilayersSnareFundamental processesVesiclesUnilamellar vesiclesTraffickingMachineryProteinFusion
2013
Preparation and characterization of SNARE-containing nanodiscs and direct study of cargo release through fusion pores
Shi L, Howan K, Shen QT, Wang YJ, Rothman JE, Pincet F. Preparation and characterization of SNARE-containing nanodiscs and direct study of cargo release through fusion pores. Nature Protocols 2013, 8: 935-948. PMID: 23598444, DOI: 10.1038/nprot.2013.048.Peer-Reviewed Original ResearchConceptsFusion eventsScaffold proteinFusion poreMembrane scaffold proteinFluorescent lipidFluorescence-based approachFusion machineryAccessible lipidsCognate proteinNanodiscsPore expansionLipid bilayersProteinCargo releaseCargoLipidsPlate readerVAMP2MachineryFluorescenceSnareEncapsulated cargoDirect studyReleaseAssays
2012
SNARE Proteins: One to Fuse and Three to Keep the Nascent Fusion Pore Open
Shi L, Shen QT, Kiel A, Wang J, Wang HW, Melia TJ, Rothman JE, Pincet F. SNARE Proteins: One to Fuse and Three to Keep the Nascent Fusion Pore Open. Science 2012, 335: 1355-1359. PMID: 22422984, PMCID: PMC3736847, DOI: 10.1126/science.1214984.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalciumDiffusionLipid BilayersLiposomesMembrane FusionMembrane ProteinsMiceNeurotransmitter AgentsProtein Structure, TertiaryProteolipidsRatsRecombinant Fusion ProteinsSNARE ProteinsSynaptic TransmissionSynaptic VesiclesSynaptosomal-Associated Protein 25Syntaxin 1Vesicle-Associated Membrane Protein 2ConceptsVesicle-associated membrane protein 2Bilayer fusionNative transmembrane domainNascent fusion poresLipid bilayer nanodiscsMembrane protein 2Synchronous neurotransmitter releaseSNARE complexTransmembrane helicesTransmembrane domainBilayer nanodiscsFused bilayersFusion porePore opensFusion partnerBiochemical studiesProtein 2Neurotransmitter releaseNanodiscsSnareEfficient releaseSynaptic transmissionSNAREpinsFusionRelevant time scales
2006
Transition from long- to short-lived transient pores in giant vesicles in an aqueous medium
Rodriguez N, Cribier S, Pincet F. Transition from long- to short-lived transient pores in giant vesicles in an aqueous medium. Physical Review E 2006, 74: 061902. PMID: 17280091, DOI: 10.1103/physreve.74.061902.Peer-Reviewed Original Research
2005
Indirect evidence of submicroscopic pores in giant unilamelar vesicles
Rodriguez N, Heuvingh J, Pincet F, Cribier S. Indirect evidence of submicroscopic pores in giant unilamelar vesicles. Biochimica Et Biophysica Acta 2005, 1724: 281-287. PMID: 15978732, DOI: 10.1016/j.bbagen.2005.04.028.Peer-Reviewed Original ResearchConceptsPore-like structuresGiant unilamellar vesiclesOuter leafletCell membraneTransient poresFluorescent lipidLipid distributionCell compartmentVesiclesGiant vesiclesModel systemUnilamellar vesiclesLipid redistributionGiant unilamelar vesiclesMembrane defectsLipidsMembraneFormation of poresMembrane ruptureSubmicroscopic poresLeafletsExchange of matterHemifusionFluorescent labelsOuter mediumGiant vesicles formed by gentle hydration and electroformation: A comparison by fluorescence microscopy
Rodriguez N, Pincet F, Cribier S. Giant vesicles formed by gentle hydration and electroformation: A comparison by fluorescence microscopy. Colloids And Surfaces B Biointerfaces 2005, 42: 125-130. PMID: 15833663, DOI: 10.1016/j.colsurfb.2005.01.010.Peer-Reviewed Original Research
2004
Specific and non specific interactions involving LeX determinant quantified by lipid vesicle micromanipulation
Gourier C, Pincet F, Perez E, Zhang Y, Mallet J, Sinaÿ P. Specific and non specific interactions involving LeX determinant quantified by lipid vesicle micromanipulation. Glycoconjugate Journal 2004, 21: 165-174. PMID: 15483381, DOI: 10.1023/b:glyc.0000044847.15797.2e.Peer-Reviewed Original ResearchHemifusion and fusion of giant vesicles induced by reduction of inter-membrane distance
Heuvingh J, Pincet F, Cribier S. Hemifusion and fusion of giant vesicles induced by reduction of inter-membrane distance. The European Physical Journal E 2004, 14: 269-276. PMID: 15338438, DOI: 10.1140/epje/i2003-10151-2.Peer-Reviewed Original ResearchConceptsInter-membrane distanceGiant unilamellar vesiclesInner leafletMembrane fusionOuter leafletMeans of micromanipulationCommon functionFluorescence microscopyProbe redistributionVesiclesInfluenza virus hemagglutininGiant vesiclesDNA basesModel systemHemifusionUnilamellar vesiclesActual fusionVirus hemagglutininMembraneContact zoneFusionHead groupsGood agreementProteinLeaflets
2001
Short-range specific forces are able to induce hemifusion
Pincet F, Lebeau L, Cribier S. Short-range specific forces are able to induce hemifusion. European Biophysics Journal 2001, 30: 91-97. PMID: 11409468, DOI: 10.1007/s002490100131.Peer-Reviewed Original ResearchConceptsDepletion forcesInterbilayer distanceAdditional attractive forceAmphiphilic moleculesNucleic basesPolar headBiological membranesLipidic systemsModel membranesPossible structuresFluorescent lipid analogsAttractive forceLow water contentLamellar structureLipid analoguesExtra attractionLipid rearrangementBase pairingWater contentMembrane behaviorNucleosidesPhase transitionMembraneMoleculesAdherent vesicles