2012
Identification of cation-binding sites on actin that drive polymerization and modulate bending stiffness
Kang H, Bradley MJ, McCullough BR, Pierre A, Grintsevich EE, Reisler E, De La Cruz EM. Identification of cation-binding sites on actin that drive polymerization and modulate bending stiffness. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 16923-16927. PMID: 23027950, PMCID: PMC3479481, DOI: 10.1073/pnas.1211078109.Peer-Reviewed Original ResearchConceptsCation-binding sitesActin assemblyEukaryotic biologyLong-pitch helixActin functionSalt-dependent effectsCell divisionCell motilityActin polymerizationFilament assemblyAdjacent subunitsIntracellular transportActin filamentsPhysiological salt concentrationsActin monomersCellular shapeNonspecific ionic strength effectsDiscrete sites
2005
Cell Polarity Protein Spa2P Associates With Proteins Involved In Actin Function In Saccharomyces Cerevisiae
Shih J, Reck-Peterson S, Newitt R, Mooseker M, Aebersold R, Herskowitz I. Cell Polarity Protein Spa2P Associates With Proteins Involved In Actin Function In Saccharomyces Cerevisiae. Molecular Biology Of The Cell 2005, 16: 4595-4608. PMID: 16030260, PMCID: PMC1237067, DOI: 10.1091/mbc.e05-02-0108.Peer-Reviewed Original ResearchConceptsCell polarityPolarity proteinsActin functionCell wall morphogenesisCell polarity proteinsYeast cell polarityPresumptive bud siteCell separation defectATP-sensitive mannerTandem mass spectrometry analysisNonessential proteinsWall morphogenesisMolecular functionsBud sitePolarized localizationSpa2pMass spectrometry analysisSite of growthSaccharomyces cerevisiaeMyo2pCoimmunoprecipitation strategyCell cycleF-actinIndirect interactionsProtein
2001
PIP Kinase Iγ Is the Major PI(4,5)P2 Synthesizing Enzyme at the Synapse
Wenk M, Pellegrini L, Klenchin V, Di Paolo G, Chang S, Daniell L, Arioka M, Martin T, De Camilli P. PIP Kinase Iγ Is the Major PI(4,5)P2 Synthesizing Enzyme at the Synapse. Neuron 2001, 32: 79-88. PMID: 11604140, DOI: 10.1016/s0896-6273(01)00456-1.Peer-Reviewed Original ResearchConceptsSynaptojanin 1Clathrin-coated intermediatesPolyphosphoinositide phosphatase synaptojanin-1Coat recruitmentActin functionClathrin coatPositive regulatorEndocytic zonesPIPKIgammaSynthesizing enzymesRecruitmentIgammaSynapseDephosphorylationEndocytosisMajor brainElevated levelsRegulatorProteinActinEnzymeMembrane
2000
Functional Characterization of a Mammalian Sac1 and Mutants Exhibiting Substrate-specific Defects in Phosphoinositide Phosphatase Activity*
Nemoto Y, Kearns B, Wenk M, Chen H, Mori K, Alb J, De Camilli P, Bankaitis V. Functional Characterization of a Mammalian Sac1 and Mutants Exhibiting Substrate-specific Defects in Phosphoinositide Phosphatase Activity*. Journal Of Biological Chemistry 2000, 275: 34293-34305. PMID: 10887188, DOI: 10.1074/jbc.m003923200.Peer-Reviewed Original ResearchConceptsSubstrate-specific defectsIntegral membrane proteinsPhosphoinositide phosphatase activityPhosphatase activityMembrane proteinsEndoplasmic reticulumGolgi secretory functionIntegral membrane lipidEukaryotic cell physiologyPrimary sequence homologyYeast Sac1pSAC1 geneHeterologous complementationActin functionSac1 domainSac1pBisphosphate substrateMembrane phosphoinositidesPhosphatidylinositol 3Cell physiologyFunctional characterizationGene productsSequence homologyProtein activityGolgi complexDirect interaction of the 170 kDa isoform of synaptojanin 1 with clathrin and with the clathrin adaptor AP-2
Haffner C, Di Paolo G, Rosenthal J, De Camilli P. Direct interaction of the 170 kDa isoform of synaptojanin 1 with clathrin and with the clathrin adaptor AP-2. Current Biology 2000, 10: 471-474. PMID: 10801423, DOI: 10.1016/s0960-9822(00)00446-2.Peer-Reviewed Original ResearchConceptsClathrin adaptor AP-2Adaptor AP-2AP-2Synaptojanin 1Unique carboxy-terminal regionClathrin coat dynamicsAlpha-adaptin subunitCarboxy-terminal domainCarboxy-terminal extensionAmino-terminal domainSynaptic vesicle recyclingCarboxy-terminal regionBinding of clathrinReceptor-mediated endocytosisChinese hamster ovary cellsActin functionPolyphosphoinositide phosphataseEar domainClathrin coatHamster ovary cellsVesicle recyclingVariety of tissuesTransferrin uptakePleiotropic rolesClathrin
1998
Amphiphysin I Antisense Oligonucleotides Inhibit Neurite Outgrowth in Cultured Hippocampal Neurons
Mundigl O, Ochoa G, David C, Slepnev V, Kabanov A, De Camilli P. Amphiphysin I Antisense Oligonucleotides Inhibit Neurite Outgrowth in Cultured Hippocampal Neurons. Journal Of Neuroscience 1998, 18: 93-103. PMID: 9412489, PMCID: PMC6793426, DOI: 10.1523/jneurosci.18-01-00093.1998.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsCalcium-Binding ProteinsCells, CulturedDynamin IDynaminsEndocytosisGene ExpressionGTP PhosphohydrolasesHippocampusMembrane GlycoproteinsMiceNerve Tissue ProteinsNeuritesOligonucleotides, AntisensePhosphoric Monoester HydrolasesRabbitsRatsRNA, MessengerSynaptic VesiclesSynaptotagminsTubulinConceptsAmphiphysin IDynamin ICell polarityNeurite outgrowthSynaptic vesicle endocytosisPhysiological binding partnerGrowth conesClose functional linkYeast homologActin patchesActin functionVesicle endocytosisActin dynamicsProtein familyBinding partnerCell cytoskeletonAxon formationFunctional linkNeuronal differentiationWestern blot analysisCultured hippocampal neuronsHippocampal neuronsDevelopmental stagesNeuronal proteinsAmphipathic polymers
1997
Amphiphysin II (SH3P9; BIN1), a Member of the Amphiphysin/Rvs Family, Is Concentrated in the Cortical Cytomatrix of Axon Initial Segments and Nodes of Ranvier in Brain and around T Tubules in Skeletal Muscle
Butler M, David C, Ochoa G, Freyberg Z, Daniell L, Grabs D, Cremona O, De Camilli P. Amphiphysin II (SH3P9; BIN1), a Member of the Amphiphysin/Rvs Family, Is Concentrated in the Cortical Cytomatrix of Axon Initial Segments and Nodes of Ranvier in Brain and around T Tubules in Skeletal Muscle. Journal Of Cell Biology 1997, 137: 1355-1367. PMID: 9182667, PMCID: PMC2132527, DOI: 10.1083/jcb.137.6.1355.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAmino Acid SequenceAnimalsAxonsBase SequenceBrain ChemistryCarrier ProteinsCerebral CortexCloning, MolecularCOS CellsCytoplasmDNA, ComplementaryGene ExpressionHumansMiceMolecular Sequence DataMuscle ProteinsMuscle, SkeletalNerve Tissue ProteinsNuclear ProteinsRabbitsRanvier's NodesRatssrc Homology DomainsTumor Cells, CulturedTumor Suppressor ProteinsConceptsAmphiphysin IICortical cytoplasmPresence of clathrinSkeletal muscleParaneoplastic stiff-man syndromeAxon initial segmentYeast homologueActin functionNuclear functionsActin cytoskeletonActin dynamicsMammalian cellsActin cytomatrixPleiotropic functionsDistinct domainsNeuronal proteinsSplice variantsT-tubulesAmphiphysinCytomatrixEndocytosisPutative roleNodes of RanvierCytoplasmIsoforms
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