2018
Targeted substrate degradation by Kelch controls the actin cytoskeleton during ring canal expansion
Hudson AM, Mannix KM, Gerdes JA, Kottemann MC, Cooley L. Targeted substrate degradation by Kelch controls the actin cytoskeleton during ring canal expansion. Development 2018, 146: dev169219. PMID: 30559276, PMCID: PMC6340150, DOI: 10.1242/dev.169219.Peer-Reviewed Original ResearchConceptsTandem affinity purificationUbiquitin ligase complexCullin-3 functionShort sequence motifsSpecialized cytoskeletal structuresUbiquitin-proteasome systemF-actin cytoskeletonSpecialized actinLigase complexActin cytoskeletonRing canalsSequence motifsGenetic evidenceCytoskeletal structuresAffinity purificationCytoskeletonSubstrate degradationBiochemical evidenceUnusual mechanismKelchCRL3CullinMass spectrometryOogenesisMutagenesis
2015
Actin Cytoskeletal Organization in Drosophila Germline Ring Canals Depends on Kelch Function in a Cullin-RING E3 Ligase
Hudson AM, Mannix KM, Cooley L. Actin Cytoskeletal Organization in Drosophila Germline Ring Canals Depends on Kelch Function in a Cullin-RING E3 Ligase. Genetics 2015, 201: 1117-1131. PMID: 26384358, PMCID: PMC4649639, DOI: 10.1534/genetics.115.181289.Peer-Reviewed Original ResearchConceptsKelch functionE3 ligaseCullin-RING E3 ligaseGermline ring canalsActin cytoskeletal organizationDrosophila kelch proteinUbiquitin ligase activityCross-link F-actinUbiquitin E3 ligaseRing canalsKelch proteinProtein substratesCytoskeletal defectsCytoskeletal organizationCytoskeletal remodelingLigase activityCullin 3KelchF-actinCytoskeletonLigaseProteasomeVivoCul3Mutagenesis
2010
Drosophila Kelch functions with Cullin-3 to organize the ring canal actin cytoskeleton
Hudson AM, Cooley L. Drosophila Kelch functions with Cullin-3 to organize the ring canal actin cytoskeleton. Journal Of Cell Biology 2010, 188: 29-37. PMID: 20065088, PMCID: PMC2812842, DOI: 10.1083/jcb.200909017.Peer-Reviewed Original ResearchConceptsDrosophila KelchCullin 3Cullin-RING ubiquitin E3 ligasesGermline ring canalsSubstrate adaptor proteinCullin-RING ligaseDiverse protein familiesF-actin cytoskeletal structureUbiquitin E3 ligasesProtein ubiquitylationActin cytoskeletonE3 ligasesRing canalsAdaptor proteinProtein familySequence motifsCytoskeletal structuresFilamentous actinKelchProteinUbiquitylationLigasesCytoskeletonLigaseRepeats
2008
Phylogenetic, Structural and Functional Relationships between WD- and Kelch-Repeat Proteins
Hudson AM, Cooley L. Phylogenetic, Structural and Functional Relationships between WD- and Kelch-Repeat Proteins. Subcellular Biochemistry 2008, 48: 6-19. PMID: 18925367, DOI: 10.1007/978-0-387-09595-0_2.Peer-Reviewed Original ResearchConceptsΒ-propeller proteinsKelch repeat proteinWidespread protein familyWD-repeat proteinΒ-propeller structureΒ-propeller foldΒ-propeller domainWD repeatsMolecular functionsCommon ancestorProtein familyEvolutionary advantageDiverse familySimilar functionsProteinΒ-sheetKelchStructural motifsRepeat unitsExhibit similaritiesMotifFunctional relationshipFamilySuperfamilyAncestor
2002
Drosophila Kelch regulates actin organization via Src64-dependent tyrosine phosphorylation
Kelso RJ, Hudson AM, Cooley L. Drosophila Kelch regulates actin organization via Src64-dependent tyrosine phosphorylation. Journal Of Cell Biology 2002, 156: 703-713. PMID: 11854310, PMCID: PMC2174084, DOI: 10.1083/jcb.200110063.Peer-Reviewed Original ResearchMeSH KeywordsActinsAlanineAmino Acid SequenceAnimalsCarrier ProteinsCross-Linking ReagentsDrosophilaDrosophila ProteinsFemaleInsect ProteinsMicrofilament ProteinsMicroscopy, ElectronMolecular Sequence DataMutagenesis, Site-DirectedPhosphorylationProtein-Tyrosine KinasesProto-Oncogene ProteinsRecombinant Fusion ProteinsSequence Homology, Amino AcidSignal TransductionTyrosineConceptsRing canalsActin organizationDrosophila kelch geneOvarian ring canalsRing canal growthActin cross-linking activitySite-directed mutagenesisTwo-dimensional electrophoresisActin binding siteKelch functionDrosophila KelchCross-linking activityProper morphogenesisKelch proteinTyrosine phosphorylationKelch geneNegative regulationRepeat 5KelchActin filamentsResidue 627Biochemical studiesCanal growthProteinMutants
2000
The kelch repeat superfamily of proteins: propellers of cell function
Adams J, Kelso R, Cooley L, Adams J, Kelso R, Cooley L. The kelch repeat superfamily of proteins: propellers of cell function. Trends In Cell Biology 2000, 10: 17-24. PMID: 10603472, DOI: 10.1016/s0962-8924(99)01673-6.Peer-Reviewed Original ResearchConceptsKelch motifsKelch repeat proteinProtein-protein contact sitesRepeat proteinsTandem elementsMolecular basisORF1 proteinBiological roleContact sitesPolypeptide contextsTertiary structureStructural organizationProteinCell functionMotifDiverse activitiesKelchCurrent informationSequenceCellsMembers
1997
Drosophila Kelch Is an Oligomeric Ring Canal Actin Organizer
Robinson D, Cooley L. Drosophila Kelch Is an Oligomeric Ring Canal Actin Organizer. Journal Of Cell Biology 1997, 138: 799-810. PMID: 9265647, PMCID: PMC2138045, DOI: 10.1083/jcb.138.4.799.Peer-Reviewed Original ResearchConceptsDrosophila KelchRing canalsAmino halfKelch repeat domainStructure-function analysisAmino-terminal regionGerm cell membranesKelch family proteinDominant sterilityBTB domainProtein domainsRepeat domainKelchActin filamentsCell membraneProteinCanal localizationAdditional interactionsDrosophilaDomainCytoskeletonOogenesisLocalizationSterilityActinExamination of the function of two kelch proteins generated by stop codon suppression
Robinson D, Cooley L. Examination of the function of two kelch proteins generated by stop codon suppression. Development 1997, 124: 1405-1417. PMID: 9118811, DOI: 10.1242/dev.124.7.1405.Peer-Reviewed Original ResearchMeSH KeywordsAlanineAnimalsAnimals, Genetically ModifiedCarrier ProteinsCodon, TerminatorDrosophilaDrosophila ProteinsFemaleGene Expression Regulation, DevelopmentalImmunohistochemistryInfertility, FemaleInsect ProteinsMaleMicrofilament ProteinsMutationOogenesisOpen Reading FramesOvaryRNA, MessengerSuppression, GeneticTissue DistributionConceptsRing canalsKelch proteinStop codon suppressionStop codonCodon suppressionDrosophila kelch geneOvarian ring canalsUGA stop codonFull-length proteinOpen reading frameTissue-specific mannerUAA stop codonFemale sterilitySense codonsReading frameSingle transcriptKelch geneORF1 proteinCodonKelchDifferent tissuesProteinMutantsORF1TranscriptsFormation of the Drosophila Ovarian Ring Canal Inner Rim Depends on cheerio
Robinson D, Smith-Leiker T, Sokol N, Hudson A, Cooley L. Formation of the Drosophila Ovarian Ring Canal Inner Rim Depends on cheerio. Genetics 1997, 145: 1063-1072. PMID: 9093858, PMCID: PMC1207876, DOI: 10.1093/genetics/145.4.1063.Peer-Reviewed Original ResearchMeSH KeywordsActinsAllelesAnimalsCalmodulin-Binding ProteinsCarrier ProteinsCell CommunicationCell MembraneChromosome MappingCytoskeletonDrosophila melanogasterDrosophila ProteinsFemaleGene Expression Regulation, DevelopmentalGenes, InsectInfertility, FemaleInsect ProteinsIntercellular JunctionsMicrofilament ProteinsOocytesOvaryConceptsStable intercellular bridgesExamination of mutantsDrosophila oogenesisPlasma membrane stabilizationRing canalsCytoplasm transportMutant cellsFilamentous actinCleavage furrowRIM proteinsNurse cellsActin filamentsIntercellular bridgesMutantsCritical functionsKelchCheeriosProteinStep-wise processAssemblyMembrane stabilizationCellsCytoskeletonOogenesisGenes
1994
Morphogenesis of Drosophila ovarian ring canals
Robinson D, Cant K, Cooley L. Morphogenesis of Drosophila ovarian ring canals. Development 1994, 120: 2015-2025. PMID: 7925006, DOI: 10.1242/dev.120.7.2015.Peer-Reviewed Original ResearchConceptsRing canalsEgg chambersHu-li tai shaoMutant egg chambersOvarian ring canalsEgg chamber developmentDrosophila egg chamberCanal developmentCarboxy-terminal tailCytoskeletal protein assemblyAnti-phosphotyrosine antibodyProtein assembliesHT proteinsTyrosine phosphorylationFilamentous actinCytoplasmic bridgesActinChamber developmentKelchProteinCanal componentsAssemblyMorphogenesisGermariumPhosphorylation
1993
Kelch encodes a component of intercellular bridges in Drosophila egg chambers
Xue F, Cooley L. Kelch encodes a component of intercellular bridges in Drosophila egg chambers. Cell 1993, 72: 681-693. PMID: 8453663, DOI: 10.1016/0092-8674(93)90397-9.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceBiological TransportCarrier ProteinsConserved SequenceDrosophilaDrosophila ProteinsGerm CellsIntercellular JunctionsMicrofilament ProteinsMolecular Sequence DataOogenesisOpen Reading FramesRepetitive Sequences, Nucleic AcidSequence Homology, Amino AcidConceptsRing canalsIntercellular bridgesFemale-sterile mutationsDrosophila egg chamberUGA stop codonOpen reading frameFlow of cytoplasmSterile mutationsEgg chambersLong proteinShorter proteinCytoplasm transportORF1 productUGA codonReading frameKelch geneUnusual transcriptsNurse cellsProtein productsStop codonKelchOocyte maturationCodonORF1Cytoplasm