2023
Studying Membrane Protein–Lipid Specificity through Direct Native Mass Spectrometric Analysis from Tunable Proteoliposomes
Panda A, Brown C, Gupta K. Studying Membrane Protein–Lipid Specificity through Direct Native Mass Spectrometric Analysis from Tunable Proteoliposomes. Journal Of The American Society For Mass Spectrometry 2023, 34: 1917-1927. PMID: 37432128, PMCID: PMC10932607, DOI: 10.1021/jasms.3c00110.Peer-Reviewed Original ResearchConceptsIntegral membrane proteinsMembrane proteinsNative mass spectrometryTrafficking pathwaysPlasma membraneEukaryotic integral membrane proteinsEndoplasmic reticulumBiophysical propertiesMembrane protein assemblySynaptic vesiclesCellular trafficking pathwaysOrganellar membranesLipid specificityTransmembrane proteinProtein assembliesMembrane contextMass spectrometric analysisProteinNative mass spectrometric analysesVAMP2Lipid compositionExogenous ligandsLipid membranesIndividual lipidsMembrane
2022
A Quantitative Native Mass Spectrometry Platform for Deconstructing Hierarchical Organization of Membrane Proteins and Lipids
Panda A, Giska F, Brown C, Coleman J, Rothman J, Gupta K. A Quantitative Native Mass Spectrometry Platform for Deconstructing Hierarchical Organization of Membrane Proteins and Lipids. The FASEB Journal 2022, 36 DOI: 10.1096/fasebj.2022.36.s1.0r472.Peer-Reviewed Original ResearchMembrane proteinsOligomeric stateSpecific lipidsBiophysical propertiesSugar transporter proteinsPhysiological membranesBacterial plasma membraneTarget membrane proteinsLipid bilayer environmentSynaptic vesicle proteinsLipid compositionMS/MS capabilitiesProtein oligomerizationCellular signalingOligomeric organizationVesicle proteinsMembrane curvaturePlasma membraneMacromolecular assembliesTransporter proteinsNative massOligomeric populationMS/MS analysisRegulatory roleDiverse set
2018
Functional analysis of mammalian phospholipase D enzymes
Panda A, Thakur R, Krishnan H, Naik A, Shinde D, Raghu P. Functional analysis of mammalian phospholipase D enzymes. Bioscience Reports 2018, 38: bsr20181690. PMID: 30369483, PMCID: PMC6435507, DOI: 10.1042/bsr20181690.Peer-Reviewed Original ResearchConceptsHuman PLD2Human PLD1Phospholipase DMammalian genomesPLD genesPhosphatidic acidPA speciesSame biochemical activityMammalian phospholipase DSubplasma membrane regionPhotoreceptor plasma membraneSpecific phospholipase DInvertebrate genomesDistinct subcellular membranesAcyl chain compositionLoss of functionPhylogenetic analysisVesicular transportUnique speciesPlasma membraneSubcellular functionsDistinct isoformsFunctional analysisGenomeBiochemical activity
2016
Phospholipase D activity couples plasma membrane endocytosis with retromer dependent recycling
Thakur R, Panda A, Coessens E, Raj N, Yadav S, Balakrishnan S, Zhang Q, Georgiev P, Basak B, Pasricha R, Wakelam M, Ktistakis N, Raghu P. Phospholipase D activity couples plasma membrane endocytosis with retromer dependent recycling. ELife 2016, 5: e18515. PMID: 27848911, PMCID: PMC5125754, DOI: 10.7554/elife.18515.Peer-Reviewed Original ResearchMeSH KeywordsADP-Ribosylation Factor 1AnimalsCell MembraneCytoplasmic VesiclesDrosophila melanogasterDrosophila ProteinsEndocytosisGene ExpressionGenetic Complementation TestGuanosine TriphosphateLightPhosphatidic AcidsPhospholipase DPhotic StimulationPhotoreceptor Cells, InvertebrateRab GTP-Binding ProteinsRab7 GTP-Binding ProteinsRhodopsinVision, OcularConceptsPlasma membranePLD activityRetromer-dependent recyclingWild-type photoreceptorsMembrane endocytosisDependent recyclingPhospholipase D activityPhosphatidic acidRhabdomere sizeRhodopsin proteinEndocytosisCell bodiesPhotoreceptorsReduced levelsActivity couplesD activityComplex functionsMembraneTurnoverRab7ProteinVesiclesPhenotypeConsequent changesActivity
2015
RDGBα, a PtdIns-PtdOH transfer protein, regulates G-protein-coupled PtdIns(4,5)P2 signalling during Drosophila phototransduction
Yadav S, Garner K, Georgiev P, Li M, Gomez-Espinosa E, Panda A, Mathre S, Okkenhaug H, Cockcroft S, Raghu P. RDGBα, a PtdIns-PtdOH transfer protein, regulates G-protein-coupled PtdIns(4,5)P2 signalling during Drosophila phototransduction. Journal Of Cell Science 2015, 128: 3330-3344. PMID: 26203165, PMCID: PMC4582195, DOI: 10.1242/jcs.173476.Peer-Reviewed Original ResearchConceptsPhospholipase CPlasma membraneEndoplasmic reticulumMulti-domain proteinsPlasma membrane lipidsExchange of lipidsRdgB functionDrosophila phototransductionDrosophila photoreceptorsProtein domainsRdgB mutantsVivo functionMembrane lipidsPtdInsLipid intermediatesLipid homeostasisMembrane receptorsPLC activationPtdOH levelsTransfer proteinPhosphatidic acidPLC activityPhototransductionNormal phototransductionPtdOH