2022
Liquid–liquid phase separation facilitates the biogenesis of secretory storage granules
Parchure A, Tian M, Stalder D, Boyer C, Bearrows S, Rohli K, Zhang J, Rivera-Molina F, Ramazanov B, Mahata S, Wang Y, Stephens S, Gershlick D, von Blume J. Liquid–liquid phase separation facilitates the biogenesis of secretory storage granules. Journal Of Cell Biology 2022, 221: e202206132. PMID: 36173346, PMCID: PMC9526250, DOI: 10.1083/jcb.202206132.Peer-Reviewed Original ResearchConceptsTrans-Golgi networkLiquid-liquid phase separationSecretory granulesClient moleculesSecretory storage granulesΒ-cellsMembrane traffickingCargo receptorsPlasma membranePancreatic β-cellsProcessing enzymesCell typesStorage granulesChromogranin proteinsBiogenesisAcidic pHTraffickingGranulesProteinEnzyme
2021
Sending out molecules from the TGN
Ramazanov BR, Tran ML, von Blume J. Sending out molecules from the TGN. Current Opinion In Cell Biology 2021, 71: 55-62. PMID: 33706234, PMCID: PMC8328904, DOI: 10.1016/j.ceb.2021.02.005.Peer-Reviewed Original ResearchConceptsTrans-Golgi networkEndoplasmic reticulum contact sitesCell-cell communicationExtracellular matrix proteinsMembrane traffickingCargo proteinsCargo sortingTGN structureTransmembrane proteinPlasma membraneContact sitesExciting linkSoluble proteinMatrix proteinsSorting mechanismProteinTransport carriersMajor open questionsSortingMembraneNovel typeTraffickingMachineryOrganismsVesicles
2019
Lipid‐dependent coupling of secretory cargo sorting and trafficking at the trans‐Golgi network
von Blume J, Hausser A. Lipid‐dependent coupling of secretory cargo sorting and trafficking at the trans‐Golgi network. FEBS Letters 2019, 593: 2412-2427. PMID: 31344259, PMCID: PMC8048779, DOI: 10.1002/1873-3468.13552.Peer-Reviewed Original Research
2017
Cab45—Unraveling key features of a novel secretory cargo sorter at the trans-Golgi network
Blank B, von Blume J. Cab45—Unraveling key features of a novel secretory cargo sorter at the trans-Golgi network. European Journal Of Cell Biology 2017, 96: 383-390. PMID: 28372832, DOI: 10.1016/j.ejcb.2017.03.001.Peer-Reviewed Original ResearchConceptsMolecular functionsCargo moleculesCytoplasmic actin cytoskeletonSpecific cargo moleculesTransmembrane cargo receptorsTrans-Golgi networkMannose-6-phosphate receptorCargo receptorsGolgi networkActin cytoskeletonATPase SPCA1Secreted proteinsPlasma membraneSecretory proteinsExtracellular proteasesCab45Sorting mechanismSurface receptorsProteinExtracellular spaceSpecific carrierPossible roleFinal destinationSortingReceptors
2012
Cofilin-mediated sorting and export of specific cargo from the Golgi apparatus in yeast
Curwin AJ, von Blume J, Malhotra V. Cofilin-mediated sorting and export of specific cargo from the Golgi apparatus in yeast. Molecular Biology Of The Cell 2012, 23: 2327-2338. PMID: 22553351, PMCID: PMC3374751, DOI: 10.1091/mbc.e11-09-0826.Peer-Reviewed Original ResearchMeSH KeywordsActin Depolymerizing FactorsBlotting, WesternCathepsin ACell MembraneCofilin 1EndocytosisGlucan Endo-1,3-beta-D-GlucosidaseGreen Fluorescent ProteinsIntracellular MembranesMicroscopy, FluorescenceMutationProtein TransportProton-Translocating ATPasesR-SNARE ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsTrans-Golgi NetworkVacuolesConceptsTrans-Golgi networkLate Golgi membranesCarboxypeptidase YSecretory cargoGolgi membranesLate Golgi compartmentMechanisms of cargoSoluble secretory proteinsRole of cofilinATPase Pma1Yeast orthologueSynthetic sicknessProtein cofilinSpecific cargoMutant cellsMammalian cellsGolgi compartmentSorting defectsPlasma membraneSecretory proteinsGolgi apparatusATPase 1CofilinCell surfacePMR1
2010
Role of the Second Cysteine-rich Domain and Pro275 in Protein Kinase D2 Interaction with ADP-Ribosylation Factor 1, Trans-Golgi Network Recruitment, and Protein Transport
Pusapati GV, Krndija D, Armacki M, von Wichert G, von Blume J, Malhotra V, Adler G, Seufferlein T. Role of the Second Cysteine-rich Domain and Pro275 in Protein Kinase D2 Interaction with ADP-Ribosylation Factor 1, Trans-Golgi Network Recruitment, and Protein Transport. Molecular Biology Of The Cell 2010, 21: 1011-1022. PMID: 20089835, PMCID: PMC2836954, DOI: 10.1091/mbc.e09-09-0814.Peer-Reviewed Original ResearchConceptsTrans-Golgi networkSecond cysteine-rich domainCysteine-rich domainProtein transportC1a domainPlasma membraneADP-ribosylation factor 1ADP-ribosylation factorPKD isoenzymesTGN membranesSecretory trafficPKD2 functionsSmall GTPaseC1b domainKey regulatorPKD2Transport carriersARF1Factor 1PKDPrecise mechanismMembraneRecruitmentDomainArf6