2024
Piwi regulates the usage of alternative transcription start sites in the Drosophila ovary
Chen J, Liu N, Qi H, Neuenkirchen N, Huang Y, Lin H. Piwi regulates the usage of alternative transcription start sites in the Drosophila ovary. Nucleic Acids Research 2024, 53: gkae1160. PMID: 39657757, PMCID: PMC11724274, DOI: 10.1093/nar/gkae1160.Peer-Reviewed Original ResearchTranscription start siteTranscription start site usageFacilitates chromatin transcriptionDrosophila ovaryOvarian somatic cellsStart siteCap analysis of gene expression sequencingAlternative transcription start sitesSomatic cellsPol II initiationRNA polymerase IIAlternative transcription initiationRNA-binding proteinsCultured ovarian somatic cellsGene expression sequencingMRNA elongationPolymerase IIPol IITranscription initiationChromatin transcriptionTranscriptional regulationExpressed sequencesMutant ovariesPiwiCap analysis
2021
Genome-wide mapping of Piwi association with specific loci in Drosophila ovaries
Liu N, Neuenkirchen N, Zhong M, Lin H. Genome-wide mapping of Piwi association with specific loci in Drosophila ovaries. G3: Genes, Genomes, Genetics 2021, 11: jkaa059. PMID: 33609367, PMCID: PMC8022938, DOI: 10.1093/g3journal/jkaa059.Peer-Reviewed Original ResearchConceptsPIWI-interacting RNAsProtein-coding genesDrosophila ovaryGermline stem cell maintenanceRole of piRNAsTermination sitesGenome-wide mappingGenomic binding profileTranscriptional termination sitesSpecific genomic sitesStem cell maintenanceRNA pathwaysTransposon repressionTranscriptional startEuchromatic regionsGene regulationEpigenetic regulationGenomic sitesCell maintenancePiwiSpecific lociMethylation signalsDiverse mechanismsTarget siteBinding sites
2014
Piwi Is Required in Multiple Cell Types to Control Germline Stem Cell Lineage Development in the Drosophila Ovary
Ma X, Wang S, Do T, Song X, Inaba M, Nishimoto Y, Liu LP, Gao Y, Mao Y, Li H, McDowell W, Park J, Malanowski K, Peak A, Perera A, Li H, Gaudenz K, Haug J, Yamashita Y, Lin H, Ni JQ, Xie T. Piwi Is Required in Multiple Cell Types to Control Germline Stem Cell Lineage Development in the Drosophila Ovary. PLOS ONE 2014, 9: e90267. PMID: 24658126, PMCID: PMC3962343, DOI: 10.1371/journal.pone.0090267.Peer-Reviewed Original ResearchConceptsGerm cell differentiationDrosophila ovaryGermline stem cellsSomatic cellsCell differentiationGerm cellsPiRNA productionMultiple cell typesGSC maintenanceTransposable elementsGerm lineLineage developmentCell typesPiRNA pathway componentsGerm cell maintenanceCell lineage developmentUndifferentiated germ cellsCell-specific knockdownEscort cellsGSC establishmentGSC lossPiwi knockdownPiRNA pathwayGenome stabilityTE transcripts
2013
Protein Equilibration Through Somatic Ring Canals in Drosophila
McLean PF, Cooley L. Protein Equilibration Through Somatic Ring Canals in Drosophila. Science 2013, 340: 1445-1447. PMID: 23704373, PMCID: PMC3819220, DOI: 10.1126/science.1234887.Peer-Reviewed Original ResearchConceptsRing canalsLarval imaginal discsDrosophila ovaryClone boundariesImaginal discsIncomplete cytokinesisIntercellular communicationCytoplasmic contentsFollicle cellsIntercellular bridgesTissue biologyProtein expressionConnected cellsDrosophilaCytokinesisCellsBiologyProteinTissueExpressionOvariesdBre1/dSet1-dependent pathway for histone H3K4 trimethylation has essential roles in controlling germline stem cell maintenance and germ cell differentiation in the Drosophila ovary
Xuan T, Xin T, He J, Tan J, Gao Y, Feng S, He L, Zhao G, Li M. dBre1/dSet1-dependent pathway for histone H3K4 trimethylation has essential roles in controlling germline stem cell maintenance and germ cell differentiation in the Drosophila ovary. Developmental Biology 2013, 379: 167-181. PMID: 23624310, DOI: 10.1016/j.ydbio.2013.04.015.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosis Regulatory ProteinsCell DifferentiationDNA PrimersDrosophila melanogasterDrosophila ProteinsEpigenesis, GeneticFemaleGerm CellsHistone MethyltransferasesHistone-Lysine N-MethyltransferaseHistonesMethylationMicroscopy, FluorescenceOvaryReal-Time Polymerase Chain ReactionRNA InterferenceStatistics, NonparametricStem Cell NicheStem CellsUbiquitin-Protein LigasesConceptsGermline stem cellsGerm cell differentiationStem cell nicheCell differentiationDrosophila ovaryGSC maintenanceDrosophila ovarian germline stem cellsCell nicheGermline stem cell maintenanceOvarian germline stem cellsCell fate regulationStem cell maintenanceHistone H3K4 trimethylationE3 ubiquitin ligaseStem cellsSingle germ cellEscort cellsGSC lossGSC regulationChromatin remodelingMutant ovariesH3K4 methylationHistone modificationsFate regulationH3K4 trimethylation
2010
A Drosophila Chromatin Factor Interacts With the Piwi-Interacting RNA Mechanism in Niche Cells to Regulate Germline Stem Cell Self-Renewal
Smulders-Srinivasan TK, Szakmary A, Lin H. A Drosophila Chromatin Factor Interacts With the Piwi-Interacting RNA Mechanism in Niche Cells to Regulate Germline Stem Cell Self-Renewal. Genetics 2010, 186: 573-583. PMID: 20647505, PMCID: PMC2954472, DOI: 10.1534/genetics.110.119081.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArgonaute ProteinsChromatinChromosomal Proteins, Non-HistoneDNA-Binding ProteinsDrosophilaDrosophila ProteinsEpigenesis, GeneticFemaleGerm CellsHedgehog ProteinsMalePolycomb-Group ProteinsPolymerase Chain ReactionRepressor ProteinsRNA, Small InterferingRNA-Induced Silencing ComplexSignal TransductionStem Cell NicheStem CellsConceptsGermline stem cellsNiche cellsEpigenetic programmingStem Cell Self-RenewalEnhancer of PolycombTrithorax group genesPotential genetic interactionsCell Self-RenewalNovel epigenetic mechanismStem cellsDrosophila ovaryGSC divisionChromatin factorsNiche signalingChromatin proteinsGenetic interactionsPiwi expressionStem cell defectEpigenetic regulationPiwiEpigenetic mechanismsGroup genesRNA mechanismExpression of hedgehogSelf-Renewal
2007
Mononuclear muscle cells in Drosophila ovaries revealed by GFP protein traps
Hudson AM, Petrella LN, Tanaka AJ, Cooley L. Mononuclear muscle cells in Drosophila ovaries revealed by GFP protein traps. Developmental Biology 2007, 314: 329-340. PMID: 18199432, PMCID: PMC2293129, DOI: 10.1016/j.ydbio.2007.11.029.Peer-Reviewed Original ResearchConceptsMuscle specificationEpithelial sheath cellsMyoblast fusionSheath cellsProtein trapSarcomere organizationFLP/FRT systemMononuclear muscle cellsMuscle cellsDrosophila ovaryGonadal mesodermGenetic mosaicsKey genesTrap linesFRT systemGenetic analysisHuman muscle physiologySomatic musclesVisceral musclesSingle nucleusClonal analysisFemale reproductive systemMuscle physiologyEpithelial sheathModel system
2006
Sex-lethal is a target of Bruno-mediated translational repression in promoting the differentiation of stem cell progeny during Drosophila oogenesis
Wang Z, Lin H. Sex-lethal is a target of Bruno-mediated translational repression in promoting the differentiation of stem cell progeny during Drosophila oogenesis. Developmental Biology 2006, 302: 160-168. PMID: 17067567, PMCID: PMC1904479, DOI: 10.1016/j.ydbio.2006.09.016.Peer-Reviewed Original ResearchConceptsBruno response elementCystoblast differentiationTranslational repressionElectrophoresis mobility shift assaysGermline stem cellsPotential mRNA targetsMobility shift assaysStem cell progenySex-lethalDrosophila ovaryDrosophila oogenesisMutant phenotypeBioinformatics approachMRNA targetsShift assaysType RNACDNA constructsUntranslated regionCell progenyResponse elementStem cellsNovel targetDifferentiationRepressionMS11
2004
Nanos Maintains Germline Stem Cell Self-Renewal by Preventing Differentiation
Wang Z, Lin H. Nanos Maintains Germline Stem Cell Self-Renewal by Preventing Differentiation. Science 2004, 303: 2016-2019. PMID: 14976263, DOI: 10.1126/science.1093983.Peer-Reviewed Original ResearchConceptsGermline stem cellsPrimordial germ cellsGermline cystsStem Cell Self-RenewalTranslational repressor NanosCell Self-RenewalStem cellsDrosophila ovaryGene regulationExtrinsic signalingPrecocious entrySelf-RenewalGerm cellsCell typesDifferentiation factorCellsCystoblastsOogenesisSignalingDifferentiationRegulationOvariesTranslation
2003
Drosophila filamin is required for follicle cell motility during oogenesis
Sokol NS, Cooley L. Drosophila filamin is required for follicle cell motility during oogenesis. Developmental Biology 2003, 260: 260-272. PMID: 12885568, DOI: 10.1016/s0012-1606(03)00248-3.Peer-Reviewed Original ResearchConceptsGermline cystsFilamin proteinsCell motilityFollicle cell morphogenesisActin-binding domainActin binding proteinsFilamin repeatsDrosophila ovaryFilamin functionCell morphogenesisDrosophila filaminFilamin familyCell movementProtein 120Cell shapeBorder cellsCell locomotionFollicle cellsBinding proteinPoint mutationsInitial encapsulationProteinMorphogenesisReduced expressionFilamin
2002
UNDERSTANDING THE FUNCTION OF ACTIN-BINDING PROTEINS THROUGH GENETIC ANALYSIS OF DROSOPHILA OOGENESIS
Hudson AM, Cooley L. UNDERSTANDING THE FUNCTION OF ACTIN-BINDING PROTEINS THROUGH GENETIC ANALYSIS OF DROSOPHILA OOGENESIS. Annual Review Of Genetics 2002, 36: 455-488. PMID: 12429700, DOI: 10.1146/annurev.genet.36.052802.114101.Peer-Reviewed Original ResearchConceptsActin-binding proteinsActin cytoskeletonGenetic analysisNew actin-binding proteinCell biological approachesGenetic model systemActin binding proteinsRecent genetic analysesDrosophila ovaryDrosophila oogenesisGenetic screenBiological approachesGenetic resultsProteinCytoskeletonOogenesisModel systemUltrastructural characteristicsActinScreenUnderstandingOvaries
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 changes
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