2020
HtsRC-Mediated Accumulation of F-Actin Regulates Ring Canal Size During Drosophila melanogaster Oogenesis
Gerdes JA, Mannix KM, Hudson AM, Cooley L. HtsRC-Mediated Accumulation of F-Actin Regulates Ring Canal Size During Drosophila melanogaster Oogenesis. Genetics 2020, 216: 717-734. PMID: 32883702, PMCID: PMC7648574, DOI: 10.1534/genetics.120.303629.Peer-Reviewed Original ResearchConceptsGermline ring canalsRing canalsActin cytoskeletonF-actinDrosophila melanogaster oogenesisSomatic follicle cellsCombination of CRISPRF-actin accumulationF-actin recruitmentFilamentous actin cytoskeletonFemale germlineActin structuresFruit flyHigh fecundityFollicle cellsCytoskeletonGermlineOverexpressionAccumulationDrosophilaOogenesisMutagenesisCRISPRFilaminGenes
2019
Proximity labeling reveals novel interactomes in live Drosophila tissue
Mannix KM, Starble RM, Kaufman RS, Cooley L. Proximity labeling reveals novel interactomes in live Drosophila tissue. Development 2019, 146: dev176644. PMID: 31208963, PMCID: PMC6679357, DOI: 10.1242/dev.176644.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonActinsAnimalsAnimals, Genetically ModifiedCell CommunicationCell DifferentiationCytological TechniquesCytoskeletonDNA-(Apurinic or Apyrimidinic Site) LyaseDrosophila melanogasterFemaleGenes, ReporterGerm CellsIntercellular JunctionsMolecular ImagingOocytesOogenesisProtein BindingProtein Interaction MapsStaining and LabelingConceptsProximity labelingIntercellular bridgesProximity-dependent biotinylationStable intercellular bridgesRC proteinDynamic actin cytoskeletonProtein interactome analysisRNA interference screenNovel interactomePrey genesUncharacterized proteinsDistinct interactomesDrosophila tissuesActin cytoskeletonInterference screenInteractome analysisLive tissueMultiple proteinsProximity ligationInteractomeGerm cellsIntercellular communicationRespective preyFunctional roleProtein
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
2007
The Ovhts polyprotein is cleaved to produce fusome and ring canal proteins required for Drosophila oogenesis
Petrella LN, Smith-Leiker T, Cooley L. The Ovhts polyprotein is cleaved to produce fusome and ring canal proteins required for Drosophila oogenesis. Development 2007, 134: 703-712. PMID: 17215303, DOI: 10.1242/dev.02766.Peer-Reviewed Original ResearchConceptsDrosophila oogenesisRing canalsFemale sterile mutantPost-mitotic cellsDrosophila adducinSpecialized organellesEarly oogenesisLate oogenesisHT proteinsFusomeMitotic proliferationHT genesMitotic cellsOogenesisGerm cellsNormal developmentCell proliferationProteinPolyproteinCellsEssential componentProliferationMutantsAdducinOrganelles
2002
Arp2/3-Dependent Psuedocleavage Furrow Assembly in Syncytial Drosophila Embryos
Stevenson V, Hudson A, Cooley L, Theurkauf WE. Arp2/3-Dependent Psuedocleavage Furrow Assembly in Syncytial Drosophila Embryos. Current Biology 2002, 12: 705-711. PMID: 12007413, DOI: 10.1016/s0960-9822(02)00807-2.Peer-Reviewed Original ResearchConceptsDrosophila embryosPseudocleavage furrowsCell cycleActin capActin reorganizationSomatic cell divisionLocal actin polymerizationSyncytial Drosophila embryosARPC1 subunitArp2/3 complexNuclear positioningEmbryonic divisionsComplex localizeCell divisionActin polymerizationCleavage furrowFurrow formationCap functionSpindle fusionMolecular mechanismsArp2/3EmbryosVivo analysisMutationsAssemblyDrosophila 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 growthProteinMutantsA subset of dynamic actin rearrangements in Drosophila requires the Arp2/3 complex
Hudson AM, Cooley L. A subset of dynamic actin rearrangements in Drosophila requires the Arp2/3 complex. Journal Of Cell Biology 2002, 156: 677-687. PMID: 11854308, PMCID: PMC2174088, DOI: 10.1083/jcb.200109065.Peer-Reviewed Original ResearchConceptsArp2/3 complexRing canal growthActin-related proteinsParallel actin bundlesNurse cell cytoplasmActin filament nucleationDynamic actin rearrangementsActin cytoskeletonRing canalsActin structuresSlow spontaneous rateActin rearrangementPupal epitheliumPlasma membraneFilament nucleationShaft cellsActin bundlesActin filamentsComplex contributesFunction mutationsCanal growthCell cytoplasmSubunitsMutationsComplexesSCAR is a primary regulator of Arp2/3-dependent morphological events in Drosophila
Zallen JA, Cohen Y, Hudson AM, Cooley L, Wieschaus E, Schejter ED. SCAR is a primary regulator of Arp2/3-dependent morphological events in Drosophila. Journal Of Cell Biology 2002, 156: 689-701. PMID: 11854309, PMCID: PMC2174092, DOI: 10.1083/jcb.200109057.Peer-Reviewed Original ResearchMeSH KeywordsActin-Related Protein 2Actin-Related Protein 3ActinsAmino Acid SequenceAnimalsAxonsBase SequenceBlastodermBrainCytoplasmCytoskeletal ProteinsDNA, ComplementaryDrosophilaDrosophila ProteinsGenes, InsectHumansInsect ProteinsMicrofilament ProteinsMolecular Sequence DataMorphogenesisMutagenesisOogenesisOvumProteinsSequence Homology, Amino AcidWiskott-Aldrich Syndrome ProteinConceptsWiskott-Aldrich syndrome proteinArp2/3 complexAdult eye morphologyScar/WAVECell fate decisionsActin-rich structuresCell biological eventsCortical filamentous actinCell morphologyDrosophila developmentMultiple cell typesNormal cell morphologySCAR homologueFate decisionsSyndrome proteinActin structuresFilamentous actinActin polymerizationCell shapeMorphological eventsCytoplasmic organizationEye morphologyBiological eventsCell typesDevelopmental requirements
1999
Drosophila quail, a villin-related protein, bundles actin filaments in apoptotic nurse cells
Matova N, Mahajan-Miklos S, Mooseker M, Cooley L. Drosophila quail, a villin-related protein, bundles actin filaments in apoptotic nurse cells. Development 1999, 126: 5645-5657. PMID: 10572041, DOI: 10.1242/dev.126.24.5645.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonActinsAmino Acid SequenceAnimalsApoptosisBiological TransportCalciumCarrier ProteinsCloning, MolecularCytoplasmDrosophila melanogasterEscherichia coliHumansInsect ProteinsMicrofilament ProteinsMolecular Sequence DataRecombinant Fusion ProteinsSequence Homology, Amino AcidConceptsEgg chambersNurse cellsFilamentous actinActin filamentsCytoplasm transportNuclear envelopeQuail proteinGermline-specific proteinsMutant egg chambersNurse cell apoptosisActin bundle assemblyNew actin filamentsApoptotic nurse cellsActin-regulating proteinsBundles actin filamentsHuman villinDrosophila germlineSequence homologyBiochemical experimentsActin bundlesElevated cytoplasmic calciumProteinVillinActinAbundant network
1998
Drosophila fascin mutants are rescued by overexpression of the villin-like protein, quail
Cant K, Knowles B, Mahajan-Miklos S, Heintzelman M, Cooley L. Drosophila fascin mutants are rescued by overexpression of the villin-like protein, quail. Journal Of Cell Science 1998, 111: 213-221. PMID: 9405306, DOI: 10.1242/jcs.111.2.213.Peer-Reviewed Original ResearchConceptsActin-bundling proteinActin bundle formationVillin-like proteinBundling proteinNurse cellsActin bundle assemblyCytoplasmic actin bundlesDistinct biochemical propertiesBundle formationCytoplasmic actin networksQuail geneDrosophila germlineDrosophila oogenesisFascin functionGermline transformationEgg chambersCytoplasm transportDrosophila bristlesRedundant functionsActin networkActin bundlesWild typeBundle assemblyQuail proteinSpecialized structures
1997
GENETIC ANALYSIS OF THE ACTIN CYTOSKELETON IN THE DROSOPHILA OVARY
Robinson D, Cooley L. GENETIC ANALYSIS OF THE ACTIN CYTOSKELETON IN THE DROSOPHILA OVARY. Annual Review Of Cell And Developmental Biology 1997, 13: 147-170. PMID: 9442871, DOI: 10.1146/annurev.cellbio.13.1.147.Peer-Reviewed Original ResearchConceptsDrosophila ovaryActin cytoskeletonStable intercellular bridgesSpecific subcellular localizationCell shape changesCell biological studiesFavorable model systemCellular morphogenesisGermline cellsSubcellular localizationIntercellular transportDynamic cytoskeletonDrosophila eggsGenetic analysisRecent geneticFollicle cellsIntercellular bridgesCytoskeletonCell migrationEgg developmentMature eggsMorphogenesisModel systemBiological studiesShape changesDrosophila 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 interactionsDrosophilaDomainCytoskeletonOogenesisLocalizationSterilityActinFormation 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
1996
Single Amino Acid Mutations in Drosophila Fascin Disrupt Actin Bundling Function in Vivo
Cant K, Cooley L. Single Amino Acid Mutations in Drosophila Fascin Disrupt Actin Bundling Function in Vivo. Genetics 1996, 143: 249-258. PMID: 8722779, PMCID: PMC1207258, DOI: 10.1093/genetics/143.1.249.Peer-Reviewed Original ResearchConceptsEMS mutagenesis screenMutagenesis screenCytoplasm transportActin-bundling functionDiverse cellular processesIntragenic suppressor mutationsBundles actin filamentsCytoplasmic actin bundlesSingle amino acid mutationSerine 289Glutamic acid resultsAmino acid mutationsDominant suppressorsFascin functionFemale sterileSuppressor mutationsCellular processesC-terminusActin bundlesCentral domainActin filamentsSevere defectsMicrovillar projectionsAcid mutationsFilopodial extensions
1994
Intercellular Cytoplasm Transport during Drosophila Oogenesis
Mahajan-Miklos S, Cooley L. Intercellular Cytoplasm Transport during Drosophila Oogenesis. Developmental Biology 1994, 165: 336-351. PMID: 7958404, DOI: 10.1006/dbio.1994.1257.Peer-Reviewed Original ResearchThe villin-like protein encoded by the Drosophila quail gene is required for actin bundle assembly during oogenesis
Mahajan-Miklos S, Cooley L. The villin-like protein encoded by the Drosophila quail gene is required for actin bundle assembly during oogenesis. Cell 1994, 78: 291-301. PMID: 8044841, DOI: 10.1016/0092-8674(94)90298-4.Peer-Reviewed Original ResearchConceptsVillin-like proteinNurse cellsActin filament bundlesQuail geneMutant egg chambersActin bundle assemblyFilament bundlesEgg chambersFemale sterilityAdult fliesCytoplasmic transportFilamentous actinGene resultsBundle assemblyActin filamentsQuail proteinProtein villinAbsorptive epithelial cellsStriking colocalizationProteinOogenesisVillinEpithelial cellsGenesCellsDrosophila singed, a fascin homolog, is required for actin bundle formation during oogenesis and bristle extension.
Cant K, Knowles BA, Mooseker MS, Cooley L. Drosophila singed, a fascin homolog, is required for actin bundle formation during oogenesis and bristle extension. Journal Of Cell Biology 1994, 125: 369-380. PMID: 8163553, PMCID: PMC2120035, DOI: 10.1083/jcb.125.2.369.Peer-Reviewed Original ResearchConceptsActin filament bundle formationActin filament bundlesSevere mutantsBundle formationFilament bundlesActin bundle formationBundles actin filamentsNurse cell nucleiDrosophila homologBristle phenotypeSocket cellsFemale sterileEgg chambersRing canalsCytoplasm transportSea urchin eggsNurse cellsActin bundlesCellular extensionsSevere allelesActin filamentsDrosophilaMutantsMigratory cellsFilopodial extensionsProfilin mutations disrupt multiple actin-dependent processes during Drosophila development
Verheyen E, Cooley L. Profilin mutations disrupt multiple actin-dependent processes during Drosophila development. Development 1994, 120: 717-728. PMID: 7600952, DOI: 10.1242/dev.120.4.717.Peer-Reviewed Original ResearchConceptsSmall actin binding proteinsEmbryonic lethal phenotypeActin-dependent processesActin binding proteinsActin filament bundlesDrosophila profilinProfilin mutationDrosophila developmentMulticellular organismsViable allelesBristle formationLethal phenotypeActin assemblyProfilin functionSubcellular localizationGenomic deletionsBinding proteinCell migrationCell typesProfilinFilament bundlesOogenesisAbnormal regulationBinucleate cellsDeletion