2016
Tudor-SN Interacts with Piwi Antagonistically in Regulating Spermatogenesis but Synergistically in Silencing Transposons in Drosophila
Ku HY, Gangaraju VK, Qi H, Liu N, Lin H. Tudor-SN Interacts with Piwi Antagonistically in Regulating Spermatogenesis but Synergistically in Silencing Transposons in Drosophila. PLOS Genetics 2016, 12: e1005813. PMID: 26808625, PMCID: PMC4726654, DOI: 10.1371/journal.pgen.1005813.Peer-Reviewed Original ResearchConceptsPiRNA biogenesisPrimordial germ cellsPiwi expressionTudor-SNSomatic cellsGerm cellsDiverse molecular functionsPost-transcriptional regulationEmbryonic somatic cellsPiwi mutantsDosage-dependent mannerGermline developmentPIWI proteinsMutant phenotypeMeiotic cytokinesisMolecular functionsSpliceosome assemblyPiwiEpigenetic programmingDiverse functionsBiological functionsAdult ovariesBiogenesisTransposonMale fertility
2015
Piwi Is a Key Regulator of Both Somatic and Germline Stem Cells in the Drosophila Testis
Gonzalez J, Qi H, Liu N, Lin H. Piwi Is a Key Regulator of Both Somatic and Germline Stem Cells in the Drosophila Testis. Cell Reports 2015, 12: 150-161. PMID: 26119740, PMCID: PMC4497877, DOI: 10.1016/j.celrep.2015.06.004.Peer-Reviewed Original ResearchConceptsGermline stem cellsDrosophila testisSomatic cyst cellsPIWI-piRNA pathwayStem cell maintenanceCell-autonomous functionStem cellsGerm cell differentiationStem cell typesFasciclin 3GSC daughtersGermline functionSomatic rolePiwi expressionCyst cellsCell maintenanceEpigenetic mechanismsPiwiGenes keyNuclear localizationKey regulatorMolecular mechanismsCell differentiationGonadal developmentCell types
2010
The Yb Body, a Major Site for Piwi-associated RNA Biogenesis and a Gateway for Piwi Expression and Transport to the Nucleus in Somatic Cells*
Qi H, Watanabe T, Ku HY, Liu N, Zhong M, Lin H. The Yb Body, a Major Site for Piwi-associated RNA Biogenesis and a Gateway for Piwi Expression and Transport to the Nucleus in Somatic Cells*. Journal Of Biological Chemistry 2010, 286: 3789-3797. PMID: 21106531, PMCID: PMC3030380, DOI: 10.1074/jbc.m110.193888.Peer-Reviewed Original ResearchConceptsYb bodiesSomatic cellsPiRNA pathwayGerm lineEndo-siRNA pathwaySomatic niche cellsTudor-like domainGonadal somatic cellsPutative RNA helicaseCo-immunoprecipitation experimentsSomatic stem cellsFlamenco locusSomatic piRNAsPiRNA biogenesisEndo-siRNAsRNA biogenesisRNA pathwaysPiwi expressionRNA helicaseNovel proteinPiwiNiche cellsMolecular basisStem cellsBiogenesisA 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
2009
The Yb protein defines a novel organelle and regulates male germline stem cell self-renewal in Drosophila melanogaster
Szakmary A, Reedy M, Qi H, Lin H. The Yb protein defines a novel organelle and regulates male germline stem cell self-renewal in Drosophila melanogaster. Journal Of Cell Biology 2009, 185: 613-627. PMID: 19433453, PMCID: PMC2711570, DOI: 10.1083/jcb.200903034.Peer-Reviewed Original ResearchConceptsYB proteinsNiche cellsYb bodiesElectron-dense spheresDrosophila melanogasterGermline stem cell maintenanceMale germline stem cellsGermline stem cellsStem cell maintenanceStem cellsC-terminal regionSomatic stem cellsN-terminal regionD. melanogasterNovel organellePiwi expressionGermline cellsDouble mutantCell maintenanceNovel lociSomatic cellsCytoplasmic spotsMelanogasterCytoplasmic structuresGermline loss