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
2014
Retrotransposons and pseudogenes regulate mRNAs and lncRNAs via the piRNA pathway in the germline
Watanabe T, Cheng EC, Zhong M, Lin H. Retrotransposons and pseudogenes regulate mRNAs and lncRNAs via the piRNA pathway in the germline. Genome Research 2014, 25: 368-380. PMID: 25480952, PMCID: PMC4352877, DOI: 10.1101/gr.180802.114.Peer-Reviewed Original ResearchConceptsPIWI-interacting RNAsPiRNA pathwayRetrotransposon sequencesIntergenic regionMammalian PIWI-interacting RNAsRNA regulatory networkLate spermatocytesVivo functional analysisDegradation of mRNAUTR of mRNAsSlicer activityEukaryotic genomesLncRNA transcriptomeRegulatory networksRegulatory sequencesRepetitive sequencesPseudogenesMRNA stabilityFunctional analysisLncRNAsWidespread expressionSpermatid stageRetrotransposonsMRNATransposon
2013
Tdrkh is essential for spermatogenesis and participates in primary piRNA biogenesis in the germline
Saxe JP, Chen M, Zhao H, Lin H. Tdrkh is essential for spermatogenesis and participates in primary piRNA biogenesis in the germline. The EMBO Journal 2013, 32: 1869-1885. PMID: 23714778, PMCID: PMC3981179, DOI: 10.1038/emboj.2013.121.Peer-Reviewed Original ResearchConceptsPrimary piRNA biogenesisPiRNA biogenesisKH domain-containing proteinPiRNA biogenesis pathwayPing-pong cycleDomain-containing proteinsMature piRNAsPIWI proteinsBiogenesis pathwayMitochondrial proteinsEpigenetic programmingNuclear localizationCytoplasmic localizationZygotene stageBiogenesisTDRKHArginine residuesMeiotic arrestMIWI2MIWIDistinct populationsProteinMutantsGermlineRNA
2012
piRNA biogenesis during adult spermatogenesis in mice is independent of the ping-pong mechanism
Beyret E, Liu N, Lin H. piRNA biogenesis during adult spermatogenesis in mice is independent of the ping-pong mechanism. Cell Research 2012, 22: 1429-1439. PMID: 22907665, PMCID: PMC3463270, DOI: 10.1038/cr.2012.120.Peer-Reviewed Original ResearchConceptsPIWI proteinsPing-pong mechanismSmall non-coding RNAsSame DNA strandNon-coding RNAsPiRNA biogenesisGermline developmentDiverse organismsEpigenetic regulationPiRNAsMIWIRepeat sequencesMILISame locusSequence featuresNucleotide positionsPostnatal testisBroad functionsAdult testisMouse testisDNA strandsAdult spermatogenesisProteinBiogenesisPrimary pathwayEssential Roles of the Chromatin Remodeling Factor Brg1 in Spermatogenesis in Mice1
Wang J, Gu H, Lin H, Chi T. Essential Roles of the Chromatin Remodeling Factor Brg1 in Spermatogenesis in Mice1. Biology Of Reproduction 2012, 86: 186, 1-10. PMID: 22495890, PMCID: PMC3386149, DOI: 10.1095/biolreprod.111.097097.Peer-Reviewed Original ResearchConceptsMeiotic recombinationSomatic cellsDNA repairMeiotic sex chromosome inactivationChromatin Remodeling Factor BRG1Sex chromosome inactivationChromatin-remodeling complexBAF chromatin-remodeling complexImpaired homologous recombinationEssential roleRole of BRG1Chromatin regulationChromatin structureFactor BRG1Male germlineMammalian spermatogenesisSpatiotemporal regulationChromosome inactivationCatalytic subunitHomologous recombinationMidpachytene stageBRG1Expression patternsGene expressionGerm cellsPumilio 1 Suppresses Multiple Activators of p53 to Safeguard Spermatogenesis
Chen D, Zheng W, Lin A, Uyhazi K, Zhao H, Lin H. Pumilio 1 Suppresses Multiple Activators of p53 to Safeguard Spermatogenesis. Current Biology 2012, 22: 420-425. PMID: 22342750, PMCID: PMC3449084, DOI: 10.1016/j.cub.2012.01.039.Peer-Reviewed Original Research
2011
Role for piRNAs and Noncoding RNA in de Novo DNA Methylation of the Imprinted Mouse Rasgrf1 Locus
Watanabe T, Tomizawa S, Mitsuya K, Totoki Y, Yamamoto Y, Kuramochi-Miyagawa S, Iida N, Hoki Y, Murphy PJ, Toyoda A, Gotoh K, Hiura H, Arima T, Fujiyama A, Sado T, Shibata T, Nakano T, Lin H, Ichiyanagi K, Soloway PD, Sasaki H. Role for piRNAs and Noncoding RNA in de Novo DNA Methylation of the Imprinted Mouse Rasgrf1 Locus. Science 2011, 332: 848-852. PMID: 21566194, PMCID: PMC3368507, DOI: 10.1126/science.1203919.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArgonaute ProteinsDNA MethylationGenomic ImprintingMaleMiceMice, Inbred C57BLMitochondrial ProteinsModels, GeneticMutationPhospholipase DProteinsRas-GRF1Repetitive Sequences, Nucleic AcidRetroelementsRNA, Small InterferingRNA, UntranslatedSpermatogoniaTestisTranscription, GeneticConceptsRasgrf1 locusDNA methylationPIWI-interacting RNA (piRNA) pathwayDe novo DNA methylationMonoallelic gene expressionNovo DNA methylationParental germ lineDe novo methylationSequence-specific methylationDifferential DNA methylationRNA pathwaysGenomic imprintingNovo methylationRetrotransposon sequencesGerm lineNoncoding RNAsGene expressionDirect repeatsPiRNAsTarget RNADifferent lociMethylationLociRNASpecific sequencesPinpointing the expression of piRNAs and function of the PIWI protein subfamily during spermatogenesis in the mouse
Beyret E, Lin H. Pinpointing the expression of piRNAs and function of the PIWI protein subfamily during spermatogenesis in the mouse. Developmental Biology 2011, 355: 215-226. PMID: 21539824, PMCID: PMC3443393, DOI: 10.1016/j.ydbio.2011.04.021.Peer-Reviewed Original ResearchConceptsPIWI proteinsXY bodyMouse testisAdult mouse testisEarly round spermatidsSex chromosomesGenomic sequencesPiRNAsChromatoid bodyCytological characterizationPachytene stageGerm cellsPhenotypic analysisAdult testisRound spermatidsProteinMeiosisSpermatogenesisCytoplasmDense bodiesSpermatocytesTestisPiRNAChromosomesTransposonMITOPLD Is a Mitochondrial Protein Essential for Nuage Formation and piRNA Biogenesis in the Mouse Germline
Watanabe T, Chuma S, Yamamoto Y, Kuramochi-Miyagawa S, Totoki Y, Toyoda A, Hoki Y, Fujiyama A, Shibata T, Sado T, Noce T, Nakano T, Nakatsuji N, Lin H, Sasaki H. MITOPLD Is a Mitochondrial Protein Essential for Nuage Formation and piRNA Biogenesis in the Mouse Germline. Developmental Cell 2011, 20: 364-375. PMID: 21397847, PMCID: PMC3062204, DOI: 10.1016/j.devcel.2011.01.005.Peer-Reviewed Original ResearchConceptsPiRNA biogenesisDerepression of retrotransposonsPrimary piRNA biogenesisSmall RNA biogenesisMutant germ cellsMitochondrial protein essentialMicrotubule-dependent localizationPiRNA pathwayDrosophila homologRNA biogenesisConserved roleMitoPLDDiverse speciesProtein essentialPerinuclear structuresMouse germlineOuter membraneBiogenesisGerm cellsMeiotic arrestPhospholipase DMetabolism/Phosphatidic acidMitochondriaMutant mice
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
2006
MIWI associates with translational machinery and PIWI-interacting RNAs (piRNAs) in regulating spermatogenesis
Grivna ST, Pyhtila B, Lin H. MIWI associates with translational machinery and PIWI-interacting RNAs (piRNAs) in regulating spermatogenesis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 13415-13420. PMID: 16938833, PMCID: PMC1569178, DOI: 10.1073/pnas.0605506103.Peer-Reviewed Original ResearchConceptsPIWI-interacting RNAsSmall RNAsTranslational machineryMRNA cap-binding complexArgonaute family proteinsCap-binding complexPIWI family membersPresence of DicerRound spermatidsSubset of miRNAsCytosolic ribonucleoproteinTranslational repressionGene regulationFamily proteinsSubfamily proteinsCytoplasmic proteinsTarget mRNAsMIWIPosttranscriptional levelPolysomal fractionsPolysome fractionsMature spermGene expressionImportant regulatorSpermiogenesisA novel class of small RNAs in mouse spermatogenic cells
Grivna ST, Beyret E, Wang Z, Lin H. A novel class of small RNAs in mouse spermatogenic cells. Genes & Development 2006, 20: 1709-1714. PMID: 16766680, PMCID: PMC1522066, DOI: 10.1101/gad.1434406.Peer-Reviewed Original ResearchConceptsPIWI-interacting RNAsSmall RNAsMouse male germlineArgonaute protein familyPost-transcriptional levelSmall noncoding RNAsMouse spermatogenic cellsDiverse organismsMale germlineTranslational regulationProtein familyNoncoding RNAsSubfamily membersGene expressionMicro RNAsNovel classRNAPotent regulatorMIWISpermatogenic cellsPotential roleBiogenesisGermlinePolysomesOrganisms
2004
Germline stem cells in the Drosophila ovary descend from pole cells in the anterior region of the embryonic gonad
Asaoka M, Lin H. Germline stem cells in the Drosophila ovary descend from pole cells in the anterior region of the embryonic gonad. Development 2004, 131: 5079-5089. PMID: 15459101, DOI: 10.1242/dev.01391.Peer-Reviewed Original ResearchConceptsGermline stem cellsPrimordial germ cellsEmbryonic gonadsOnset of oogenesisSomatic cellsNiche cellsGSC fatePole cellsStem cellsSpecific somatic cellsStem cell biologyTissue stem cellsDE-cadherinLarval gonadsPGC proliferationCell biologyLate larvalAdult ovariesOogenesisGerm cellsDrosophilaGonadsMili, a mammalian member of piwi family gene, is essential for spermatogenesis
Kuramochi-Miyagawa S, Kimura T, Ijiri TW, Isobe T, Asada N, Fujita Y, Ikawa M, Iwai N, Okabe M, Deng W, Lin H, Matsuda Y, Nakano T. Mili, a mammalian member of piwi family gene, is essential for spermatogenesis. Development 2004, 131: 839-849. PMID: 14736746, DOI: 10.1242/dev.00973.Peer-Reviewed Original ResearchConceptsPiwi family genesFamily genesPrimordial germ cell developmentPost-transcriptional regulationGerm cell developmentGerm cell productionPhysical binding propertiesMammalian homologPIWI domainMammalian membersTranslational regulationMouse homologDifferentiation of spermatocytesEarly prophaseMILIFunctional associationTargeted mutationsCell developmentFirst meiosisGenesPiwiEarly pachyteneStem cellsSpermatocyte stageHomolog
2003
To be and not to be
Lin H. To be and not to be. Nature 2003, 425: 353-355. PMID: 14508468, DOI: 10.1038/425353a.Peer-Reviewed Original Research
2002
The stem-cell niche theory: lessons from flies
Lin H. The stem-cell niche theory: lessons from flies. Nature Reviews Genetics 2002, 3: 931-940. PMID: 12459723, DOI: 10.1038/nrg952.Peer-Reviewed Original ResearchConceptsStem cell nicheSomatic stem cellsStem cellsTesticular stem cell nicheGermline stem cellsTerminal filament cellsSelf-renewing divisionsOogenic functionEpidermal growth factor receptorUnpaired ligandAdherens junctionsMammalian systemsTesticular nicheOvarian nicheGrowth factor receptorHub cellsPathway functionNiche theoryFilament cellsGermlineCell adhesionNicheFactor receptorPathwayFliesmiwi, a Murine Homolog of piwi, Encodes a Cytoplasmic Protein Essential for Spermatogenesis
Deng W, Lin H. miwi, a Murine Homolog of piwi, Encodes a Cytoplasmic Protein Essential for Spermatogenesis. Developmental Cell 2002, 2: 819-830. PMID: 12062093, DOI: 10.1016/s1534-5807(02)00165-x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsArgonaute ProteinsChromosome MappingCloning, MolecularCyclic AMP Response Element ModulatorCytoplasmDNA-Binding ProteinsGene Expression RegulationInfertility, MaleLIM Domain ProteinsMaleMiceMice, KnockoutMolecular Sequence DataProtein IsoformsProteinsRepressor ProteinsRNA, MessengerSpermatogenesisTestisTranscription FactorsConceptsTarget genesPiwi family genesCytoplasmic protein essentialRound spermatid stageDiverse organismsPiwi genesTranslational regulationFamily genesProtein essentialCytoplasmic proteinsMaster regulatorMurine homologMIWIGenesSpermatid stageStem cellsMRNASpermiogenesisCREMSpermatogenesisSpermatogenic arrestPiwiHomologEncodesCloning