2016
Two-colour live-cell nanoscale imaging of intracellular targets
Bottanelli F, Kromann EB, Allgeyer ES, Erdmann RS, Wood Baguley S, Sirinakis G, Schepartz A, Baddeley D, Toomre DK, Rothman JE, Bewersdorf J. Two-colour live-cell nanoscale imaging of intracellular targets. Nature Communications 2016, 7: 10778. PMID: 26940217, PMCID: PMC4785223, DOI: 10.1038/ncomms10778.Peer-Reviewed Original Research
2012
Optogenetic control of phosphoinositide metabolism
Idevall-Hagren O, Dickson EJ, Hille B, Toomre DK, De Camilli P. Optogenetic control of phosphoinositide metabolism. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: e2316-e2323. PMID: 22847441, PMCID: PMC3435206, DOI: 10.1073/pnas.1211305109.Peer-Reviewed Original ResearchMeSH KeywordsActinsAmino Acid MotifsAnimalsArabidopsis ProteinsBinding SitesCell MembraneChlorocebus aethiopsCOS CellsCryptochromesEndocytosisHumansKCNQ2 Potassium ChannelKCNQ3 Potassium ChannelLightMembrane PotentialsPC12 CellsPhosphatidylinositol 3-KinasesPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositolsPhosphoric Monoester HydrolasesPhosphorylationRatsRecombinant Fusion ProteinsSignal TransductionConceptsCryptochrome 2Membrane rufflingCellular functionsEndocytic clathrin-coated pitsMembrane-targeting motifClathrin-coated pitsLight-induced dimerizationMammalian cellsReversible dephosphorylationPlasma membraneDownstream effectorsPlant proteinsBlue light illuminationPI3KCellular assaysRegion domainsOptogenetic controlPhosphoinositideCell membraneCIBNPhosphoinositide metabolismDephosphorylationCompensatory accumulationRufflingLipid components
2010
The inositol 5-phosphatase SHIP2 regulates endocytic clathrin-coated pit dynamics
Nakatsu F, Perera RM, Lucast L, Zoncu R, Domin J, Gertler FB, Toomre D, De Camilli P. The inositol 5-phosphatase SHIP2 regulates endocytic clathrin-coated pit dynamics. Journal Of Cell Biology 2010, 190: 307-315. PMID: 20679431, PMCID: PMC2922640, DOI: 10.1083/jcb.201005018.Peer-Reviewed Original ResearchConceptsClathrin-coated pitsNegative regulatorEndocytic clathrin-coated pitsClathrin-coated pit dynamicsPit maturationCCP lifetimeProduct phosphatidylinositolCoat assemblyCellular functionsMajor phosphoinositidePlasma membraneSHIP2SHIP2 expressionPit dynamicsDependent signalingReceptor signalingPhosphatidylinositolPhosphoinositide metabolismSignalingRegulatorInositolIntersectinPositive roleClathrinEndocytosis
2009
A Phosphoinositide Switch Controls the Maturation and Signaling Properties of APPL Endosomes
Zoncu R, Perera RM, Balkin DM, Pirruccello M, Toomre D, De Camilli P. A Phosphoinositide Switch Controls the Maturation and Signaling Properties of APPL Endosomes. Cell 2009, 136: 1110-1121. PMID: 19303853, PMCID: PMC2705806, DOI: 10.1016/j.cell.2009.01.032.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChlorocebus aethiopsClathrin-Coated VesiclesCOS CellsEndocytosisEndosomesPhosphatidylinositolsSignal TransductionConceptsPositive endosomesAPPL endosomesEndocytic pathwayGrowth factor receptor traffickingEarly endocytic pathwayRab5-positive endosomesSingle-vesicle imagingGrowth factor signalingNovel endocytic compartmentsSurprising plasticityEndocytic vesiclesFactor signalingEndocytic compartmentsEnhanced growth factor signalingReceptor traffickingEndosomesSignaling propertiesRecent identificationPI3PCritical roleCurrent understandingSignalingPathwayFunctional organizationMaturation
2007
A Role of the Lowe Syndrome Protein OCRL in Early Steps of the Endocytic Pathway
Erdmann KS, Mao Y, McCrea HJ, Zoncu R, Lee S, Paradise S, Modregger J, Biemesderfer D, Toomre D, De Camilli P. A Role of the Lowe Syndrome Protein OCRL in Early Steps of the Endocytic Pathway. Developmental Cell 2007, 13: 377-390. PMID: 17765681, PMCID: PMC2025683, DOI: 10.1016/j.devcel.2007.08.004.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAmino Acid SequenceAnimalsCarrier ProteinsCell LineChlorocebus aethiopsClathrin-Coated VesiclesCOS CellsCrystallography, X-RayEndocytosisEndosomesGlutathione TransferaseGreen Fluorescent ProteinsHumansKidneyModels, BiologicalModels, MolecularMolecular Sequence DataMutationPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositolsPhosphoric Monoester HydrolasesPhosphorylationProtein Structure, SecondaryProtein Structure, TertiaryRecombinant Fusion ProteinsSequence Homology, Amino AcidTime FactorsConceptsEndocytic pathwayLike domainEndocytic clathrin-coated pitsLowe syndrome protein OCRLRole of OCRLEarly endocytic pathwayClathrin-coated pitsPeripheral early endosomesPhosphatase domainMembrane traffickingEarly endosomesGrowth factor receptorProtein networkClathrin boxOCRLDisease mutationsCell surfaceEarly stepsLowe syndromeFactor receptorRenal Fanconi syndromeDisease mechanismsMembrane interfaceAPPL1Predominant localizationLoss of endocytic clathrin-coated pits upon acute depletion of phosphatidylinositol 4,5-bisphosphate
Zoncu R, Perera RM, Sebastian R, Nakatsu F, Chen H, Balla T, Ayala G, Toomre D, De Camilli PV. Loss of endocytic clathrin-coated pits upon acute depletion of phosphatidylinositol 4,5-bisphosphate. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 3793-3798. PMID: 17360432, PMCID: PMC1805489, DOI: 10.1073/pnas.0611733104.Peer-Reviewed Original ResearchConceptsClathrin-coated pitsPlasma membraneRegulatory complexEndocytic clathrin-coated pitsClathrin coat dynamicsTotal internal reflection fluorescence microscopyFluorescent fusion proteinsActin regulatory proteinsEndocytic clathrin adaptorsReflection fluorescence microscopyEndocytic adaptorsClathrin spotsClathrin adaptorsActin regulationInducible recruitmentClathrin punctaAccessory factorsFusion proteinCell surfaceFluorescence microscopyP20 subunitAcute depletionDramatic lossAdaptorProtein
2006
Nitric oxide synthase generates nitric oxide locally to regulate compartmentalized protein S-nitrosylation and protein trafficking
Iwakiri Y, Satoh A, Chatterjee S, Toomre DK, Chalouni CM, Fulton D, Groszmann RJ, Shah VH, Sessa WC. Nitric oxide synthase generates nitric oxide locally to regulate compartmentalized protein S-nitrosylation and protein trafficking. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 19777-19782. PMID: 17170139, PMCID: PMC1750883, DOI: 10.1073/pnas.0605907103.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCattleCell LineChlorocebus aethiopsGolgi ApparatusKineticsNitric OxideNitric Oxide Synthase Type IIIProtein TransportS-NitrosothiolsConceptsProtein S-nitrosylationS-nitrosylationN-ethylmaleimide-sensitive factorPlasma membrane caveolaeAlters protein functionSpecific cysteine residuesSpecific posttranslational modificationsSpecific S-nitrosylationS-nitrosylation reactionsIntracellular transport processesProtein traffickingMembrane caveolaeProtein functionProtein transportPosttranslational modificationsCysteine residuesPlasma membraneTarget proteinsENOS localizationGolgi apparatusEndoplasmic reticulumGolgiDiffusible natureNOS actionGenerate nitric oxideTwo synaptojanin 1 isoforms are recruited to clathrin-coated pits at different stages
Perera RM, Zoncu R, Lucast L, De Camilli P, Toomre D. Two synaptojanin 1 isoforms are recruited to clathrin-coated pits at different stages. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 19332-19337. PMID: 17158794, PMCID: PMC1693868, DOI: 10.1073/pnas.0609795104.Peer-Reviewed Original ResearchConceptsTotal internal reflection fluorescence microscopySynaptojanin 1CCP formationMulticolor total internal reflection fluorescence microscopyClathrin-coated pit dynamicsClathrin-coated pitsClathrin-dependent endocytosisEndocytic clathrin adaptorsSynaptic vesicle recyclingReflection fluorescence microscopyCell-free systemClathrin adaptorsPolyphosphoinositide phosphataseGenetic manipulationVesicle recyclingPit dynamicsIntact cellsSplice variantsFunctional studiesFluorescence microscopyEndophilinTemporal recruitmentDirect interactionIsoformsPredominant isoform
2002
Selective Delivery of Secretory Cargo in Golgi‐Derived Carriers of Nonepithelial Cells
Rustom A, Bajohrs M, Kaether C, Keller P, Toomre D, Corbeil D, Gerdes H. Selective Delivery of Secretory Cargo in Golgi‐Derived Carriers of Nonepithelial Cells. Traffic 2002, 3: 279-288. PMID: 11929609, DOI: 10.1034/j.1600-0854.2002.030405.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial ProteinsBiological TransportCell LineChlorocebus aethiopsChromograninsDogsDrug Delivery SystemsElectroporationEpithelial CellsGene DeletionGolgi ApparatusGreen Fluorescent ProteinsHumansImmunohistochemistryLuminescent ProteinsMicroscopy, ElectronMicroscopy, FluorescenceMutationPlasmidsRecombinant Fusion ProteinsRecombinant ProteinsTransfectionVero Cells