2023
Direct determination of oligomeric organization of integral membrane proteins and lipids from intact customizable bilayer
Panda A, Giska F, Duncan A, Welch A, Brown C, McAllister R, Hariharan P, Goder J, Coleman J, Ramakrishnan S, Pincet F, Guan L, Krishnakumar S, Rothman J, Gupta K. Direct determination of oligomeric organization of integral membrane proteins and lipids from intact customizable bilayer. Nature Methods 2023, 20: 891-897. PMID: 37106230, PMCID: PMC10932606, DOI: 10.1038/s41592-023-01864-5.Peer-Reviewed Original ResearchConceptsIntegral membrane proteinsMembrane proteinsOligomeric organizationOligomeric stateNative mass spectrometry analysisFunctional oligomeric stateKey membrane componentMass spectrometry analysisNMS analysisTarget membraneLipid bindingMembrane componentsProteolipid vesiclesMembrane compositionLipid compositionSpectrometry analysisLipid membranesNeurotransmitter releaseProteinMembraneLipidsMembrane propertiesDirect determinationBilayersTransporters
2022
Synaptotagmin rings as high-sensitivity regulators of synaptic vesicle docking and fusion
Zhu J, McDargh ZA, Li F, Krishnakumar SS, Rothman JE, O’Shaughnessy B. Synaptotagmin rings as high-sensitivity regulators of synaptic vesicle docking and fusion. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2208337119. PMID: 36103579, PMCID: PMC9499556, DOI: 10.1073/pnas.2208337119.Peer-Reviewed Original ResearchConceptsVesicle dockingPlasma membrane domainsSynaptic vesiclesCalcium sensor synaptotagminSynaptic vesicle dockingInhibitor of fusionFusion clampSensor synaptotagminMembrane domainsTrigger fusionPlasma membraneC2AB domainAnionic phospholipid bilayersNeuronal synapsesMembrane compositionPhospholipid monolayersATP levelsVesiclesExocytotic releaseDockingPhospholipid bilayers
2014
Sac1–Vps74 structure reveals a mechanism to terminate phosphoinositide signaling in the Golgi apparatus
Cai Y, Deng Y, Horenkamp F, Reinisch KM, Burd CG. Sac1–Vps74 structure reveals a mechanism to terminate phosphoinositide signaling in the Golgi apparatus. Journal Of Cell Biology 2014, 206: 485-491. PMID: 25113029, PMCID: PMC4137058, DOI: 10.1083/jcb.201404041.Peer-Reviewed Original ResearchMeSH KeywordsCarrier ProteinsCatalysisCrystallography, X-RayEndoplasmic ReticulumGolgi ApparatusGreen Fluorescent ProteinsMembrane ProteinsModels, MolecularMultiprotein ComplexesPhosphatidylinositol PhosphatesPhosphoric Monoester HydrolasesProtein BindingProtein Structure, TertiarySaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsConceptsGolgi apparatusHomology domainRegulation of phosphatidylinositolN-terminal subdomainN-terminal portionPhosphoinositide phosphataseFamily proteinsSignal terminationEndoplasmic reticulumPhosphatidylinositolMembrane compositionSAC1Dual functionPhosphoinositideEffectorsPhosphataseAmyotrophic lateral sclerosisCharcot-MarieBroad distributionVps74OrthologuesTooth disordersGOLPH3MannosyltransferaseLateral sclerosis
2010
Membranes in Balance: Mechanisms of Sphingolipid Homeostasis
Breslow DK, Weissman JS. Membranes in Balance: Mechanisms of Sphingolipid Homeostasis. Molecular Cell 2010, 40: 267-279. PMID: 20965421, PMCID: PMC2987644, DOI: 10.1016/j.molcel.2010.10.005.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsSphingolipid homeostasisCell biologyEukaryotic cell biologyKey cellular rolesComplex membrane compositionCellular rolesSecretory pathwaySphingolipid biosynthesisEnzymatic machineryPhysiologic cuesSphingolipid metabolismMembrane compositionSphingolipidsBiologyNew insightsHomeostasisStructural componentsMembraneCellsBiosynthesisDefining featureMachineryGlycerolipidsEnzymeImproved understanding
1994
A role for synaptic vesicles in non‐neuronal cells: clues from pancreatic β cells and from chromaffin cells
Thomas‐Reetz A, De Camilli P. A role for synaptic vesicles in non‐neuronal cells: clues from pancreatic β cells and from chromaffin cells. The FASEB Journal 1994, 8: 209-216. PMID: 7907072, DOI: 10.1096/fasebj.8.2.7907072.Peer-Reviewed Original ResearchConceptsSynaptic-like microvesiclesSynaptic vesiclesAbundant synaptic vesicle proteinsVesicular carriersPancreatic beta cellsSynaptic vesicle proteinsVesicular trafficNon-neuronal cellsRecycling compartmentMembrane proteinsRecycling pathwayVesicle proteinsPancreatic β-cellsPeptide-secreting endocrine cellsMolecular mechanismsSpecialized subcompartmentBeta cellsPC12 cellsMembrane compositionVesiclesCell linesΒ-cellsOrganellesNeurotransmitter releaseNeurotransmitter-like substances
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