2018
Rap1 acts via multiple mechanisms to position Canoe and adherens junctions and mediate apical-basal polarity establishment
Bonello TT, Perez-Vale KZ, Sumigray KD, Peifer M. Rap1 acts via multiple mechanisms to position Canoe and adherens junctions and mediate apical-basal polarity establishment. Development 2018, 145: dev157941. PMID: 29361565, PMCID: PMC5825837, DOI: 10.1242/dev.157941.Peer-Reviewed Original ResearchMeSH KeywordsAdherens JunctionsAnimalsAnimals, Genetically ModifiedCell PolarityDrosophila melanogasterDrosophila ProteinsFemaleGastrulationGene Knockdown TechniquesGuanine Nucleotide Exchange FactorsIntracellular Signaling Peptides and ProteinsMaleModels, BiologicalProtein Interaction Domains and MotifsProtein TransportRNA InterferenceShelterin ComplexTelomere-Binding ProteinsConceptsApical-basal polarityPolarity establishmentMembrane localizationEpithelial apical-basal polarityAdherens junction positioningBazooka/Par3Adherens junction assemblyMost animal tissuesSmall GTPase Rap1Polarity initiationApical retentionNascent junctionsRA domainJunction assemblyAdherens junctionsTricellular junctionsPolarized cellsGTPase Rap1Macromolecular assembliesApical activationRap1Spatial organizationAnimal tissuesMultiple mechanismsEstablishment model
2015
Chapter Twelve Cell Adhesion in Epidermal Development and Barrier Formation
Sumigray KD, Lechler T. Chapter Twelve Cell Adhesion in Epidermal Development and Barrier Formation. Current Topics In Developmental Biology 2015, 112: 383-414. PMID: 25733147, PMCID: PMC4737682, DOI: 10.1016/bs.ctdb.2014.11.027.Peer-Reviewed Original ResearchMeSH KeywordsAdherens JunctionsAnimalsCell AdhesionCell Adhesion MoleculesCell DifferentiationEpidermal CellsEpidermisHumansSignal TransductionConceptsEpidermal developmentAdhesion proteinsCell-cell adhesionCell-cell junctionsCell biological studiesCell adhesion proteinsNoncanonical roleComposite proteinsAdhesive functionBarrier formationGrowth controlCell adhesionTissue physiologyProteinBiological studiesJunctional systemEpidermisTransductionAdhesionStructural integrityDifferentiationPhysiologyRoleFunctionJunction
2013
FRAP Analysis Reveals Stabilization of Adhesion Structures in the Epidermis Compared to Cultured Keratinocytes
Foote HP, Sumigray KD, Lechler T. FRAP Analysis Reveals Stabilization of Adhesion Structures in the Epidermis Compared to Cultured Keratinocytes. PLOS ONE 2013, 8: e71491. PMID: 23977053, PMCID: PMC3747223, DOI: 10.1371/journal.pone.0071491.Peer-Reviewed Original ResearchConceptsAdherens junctionsAdhesion structuresCell-cell adhesion structuresAdherens junction protein E-cadherinJunction protein E-cadherinCell-cell junctionsE-cadherinProtein E-cadherinDesmosomal protein desmoplakinZO-1Tight junctionsTissue morphogenesisTissue maintenanceFRAP analysisAdhesion functionProtein ZO-1Photobleaching experimentsProper developmentTight junction protein ZO-1Fluorescence recoveryCultured cellsDynamics of adhesionEpithelial tissuesCurrent understandingCell culturesRap1 and Canoe/afadin are essential for establishment of apical–basal polarity in the Drosophila embryo
Choi W, Harris NJ, Sumigray KD, Peifer M. Rap1 and Canoe/afadin are essential for establishment of apical–basal polarity in the Drosophila embryo. Molecular Biology Of The Cell 2013, 24: 945-963. PMID: 23363604, PMCID: PMC3608504, DOI: 10.1091/mbc.e12-10-0736.Peer-Reviewed Original ResearchMeSH KeywordsAdherens JunctionsAnimalsCell LineCell PolarityCell ShapeCytoskeletonDrosophila melanogasterDrosophila ProteinsEmbryo, NonmammalianGreen Fluorescent ProteinsIntracellular Signaling Peptides and ProteinsMicroscopy, ConfocalModels, BiologicalMutationProtein Kinase CRap1 GTP-Binding ProteinsRNA InterferenceConceptsAtypical protein kinase CCanoe/AfadinPolarity establishmentPolarity cuesDrosophila embryosAdherens junctionsApical-basal cell polarityBazooka/Par3Apical-basal polarityAbsence of Rap1Columnar cell shapeSmall GTPase Rap1Protein kinase CCell polarityBazookaGTPase Rap1Protein networkRap1Cell shapeLinear pathwaySuperb modelKinase COrgan architectureAfadinCytoskeleton
2012
Noncentrosomal microtubules and type II myosins potentiate epidermal cell adhesion and barrier formation
Sumigray KD, Foote HP, Lechler T. Noncentrosomal microtubules and type II myosins potentiate epidermal cell adhesion and barrier formation. Journal Of Cell Biology 2012, 199: 513-525. PMID: 23091070, PMCID: PMC3483132, DOI: 10.1083/jcb.201206143.Peer-Reviewed Original ResearchConceptsReorganization of microtubulesAdherens junctionsNoncentrosomal microtubulesCortical microtubulesCell adhesionCell-cell junctionsMyosin II recruitmentType II myosinMost cell typesDisruption of microtubulesMicrotubule cytoskeletonCell cortexEpidermal cell adhesionMyosin IITight junction functionMyosin IIAEpidermal cellsPhysiological roleBarrier activityCell typesMicrotubulesJunction functionDifferentiating epidermisChemical barrierCell sheets