2019
FAP57/WDR65 targets assembly of a subset of inner arm dyneins and connects to regulatory hubs in cilia
Lin J, Le TV, Augspurger K, Tritschler D, Bower R, Fu G, Perrone C, O’Toole E, Mills KV, Dymek E, Smith E, Nicastro D, Porter ME. FAP57/WDR65 targets assembly of a subset of inner arm dyneins and connects to regulatory hubs in cilia. Molecular Biology Of The Cell 2019, 30: 2659-2680. PMID: 31483737, PMCID: PMC6761771, DOI: 10.1091/mbc.e19-07-0367.Peer-Reviewed Original ResearchConceptsInner dynein armsRegulatory complexCryo-electron tomographyInner arm dyneinsCiliary motilityMultiple dynein motorsPrecise spatial organizationAxonemal repeatDocking factorUnique binding siteWD repeatsDynein assemblyAssembly factorsDomain proteinsRegulatory hubDynein complexDynein isoformsDynein subunitsInsertional mutagenesisNew lociRegulatory proteinsDynein motorsDifferent dyneinsDoublet microtubulesTransport factorsPACRG and FAP20 form the inner junction of axonemal doublet microtubules and regulate ciliary motility
Dymek EE, Lin J, Fu G, Porter ME, Nicastro D, Smith EF. PACRG and FAP20 form the inner junction of axonemal doublet microtubules and regulate ciliary motility. Molecular Biology Of The Cell 2019, 30: 1805-1816. PMID: 31116684, PMCID: PMC6727744, DOI: 10.1091/mbc.e19-01-0063.Peer-Reviewed Original ResearchMeSH KeywordsAlgal ProteinsAxonemeChlamydomonas reinhardtiiCiliaFlagellaMicrotubulesMovementMutationConceptsDoublet microtubulesAxonemal doublet microtubulesCryo-electron tomographyCiliary doublet microtubulesInner junctionCiliary assemblyCoordinated ciliary beatingFAP20Ciliary componentsMotility defectsCiliary beatingPACRGMotile ciliaFunctional studiesMutant axonemesMicrotubulesB-tubuleCiliary motilityEssential roleStructural studiesAssemblyMotilityChlamydomonasMutantsAxoneme
2018
Asymmetric distribution and spatial switching of dynein activity generates ciliary motility
Lin J, Nicastro D. Asymmetric distribution and spatial switching of dynein activity generates ciliary motility. Science 2018, 360 PMID: 29700238, PMCID: PMC6640125, DOI: 10.1126/science.aar1968.Peer-Reviewed Original ResearchConceptsDynein activitySea urchin sperm cellsCryo-electron tomographyIndividual dyneinsDynein isoformsAsymmetric distributionMotile ciliaDyneinFlagellaHypothesis positsSperm cellsSmall populationCiliary motilityFlagellar bendingCoordinated activityActive stateMotilityActivity stateOrganellesIsoformsCiliaActivityThe I1 dynein-associated tether and tether head complex is a conserved regulator of ciliary motility
Fu G, Wang Q, Phan N, Urbanska P, Joachimiak E, Lin J, Wloga D, Nicastro D. The I1 dynein-associated tether and tether head complex is a conserved regulator of ciliary motility. Molecular Biology Of The Cell 2018, 29: mbc.e18-02-0142. PMID: 29514928, PMCID: PMC5921572, DOI: 10.1091/mbc.e18-02-0142.Peer-Reviewed Original ResearchConceptsI1 dyneinCiliary motilityAxonemal dynein motorsDynein motor domainMotor domainCiliary doublet microtubulesCK1 kinasesProper phosphorylationNormal ciliary motilityBiochemical approachesCryoelectron tomographyDynein motorsRegulatory mechanismsMotility regulatorMotile ciliaDoublet microtubulesRegulatorDyneinStable anchoringMotilityCiliary beatingComplexesHead complexMechanical feedbackImportant role
2015
DRC3 connects the N-DRC to dynein g to regulate flagellar waveform
Awata J, Song K, Lin J, King SM, Sanderson MJ, Nicastro D, Witman GB. DRC3 connects the N-DRC to dynein g to regulate flagellar waveform. Molecular Biology Of The Cell 2015, 26: 2788-2800. PMID: 26063732, PMCID: PMC4571338, DOI: 10.1091/mbc.e15-01-0018.Peer-Reviewed Original Research
2014
Insights into the Structure and Function of Ciliary and Flagellar Doublet Microtubules TEKTINS, Ca2+-BINDING PROTEINS, AND STABLE PROTOFILAMENTS* ♦
Linck R, Fu X, Lin J, Ouch C, Schefter A, Steffen W, Warren P, Nicastro D. Insights into the Structure and Function of Ciliary and Flagellar Doublet Microtubules TEKTINS, Ca2+-BINDING PROTEINS, AND STABLE PROTOFILAMENTS* ♦. Journal Of Biological Chemistry 2014, 289: 17427-17444. PMID: 24794867, PMCID: PMC4067180, DOI: 10.1074/jbc.m114.568949.Peer-Reviewed Original ResearchConceptsDoublet microtubulesRibbon proteinNexin-dynein regulatory complexCiliary motilityA-tubuleIntraflagellar transportRegulatory complexAcetylated α-tubulinSignal transductionHuman homologueSpecialized functionsTektin ACalcium-binding proteinsCell organellesHuman diseasesBinding proteinΑ-tubulinΒ-tubulinSea urchin sperm flagellaSperm flagellaMicrotubule systemProteinStable protofilamentsFlagellaWide filamentsStructural mechanism of the dynein power stroke
Lin J, Okada K, Raytchev M, Smith MC, Nicastro D. Structural mechanism of the dynein power stroke. Nature Cell Biology 2014, 16: 479-485. PMID: 24727830, PMCID: PMC4102432, DOI: 10.1038/ncb2939.Peer-Reviewed Original Research
2012
Conserved structural motifs in the central pair complex of eukaryotic flagella
Carbajal‐González B, Heuser T, Fu X, Lin J, Smith BW, Mitchell DR, Nicastro D. Conserved structural motifs in the central pair complex of eukaryotic flagella. Cytoskeleton 2012, 70: 101-120. PMID: 23281266, PMCID: PMC3914236, DOI: 10.1002/cm.21094.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological EvolutionChlamydomonas reinhardtiiCiliaFlagellaHumansMicrotubulesStrongylocentrotus purpuratusConceptsCentral pair complexCilia/flagellaRemarkable structural conservationGreen alga ChlamydomonasConserved Structural MotifCryo-electron tomographyOrganism-specific differencesEukaryotic cellsSea urchin StrongylocentrotusEvolutionary distanceStructural conservationAlga ChlamydomonasThree-dimensional structureSubtomogram averagingEukaryotic flagellaAxonemal dyneinsPrecise regulationInner proteinsMotility regulatorHair-like appendagesSinglet microtubulesChlamydomonasHuman diseasesDoublet microtubulesFlagellaOne of the Nine Doublet Microtubules of Eukaryotic Flagella Exhibits Unique and Partially Conserved Structures
Lin J, Heuser T, Song K, Fu X, Nicastro D. One of the Nine Doublet Microtubules of Eukaryotic Flagella Exhibits Unique and Partially Conserved Structures. PLOS ONE 2012, 7: e46494. PMID: 23071579, PMCID: PMC3468612, DOI: 10.1371/journal.pone.0046494.Peer-Reviewed Original ResearchThe CSC connects three major axonemal complexes involved in dynein regulation
Heuser T, Dymek EE, Lin J, Smith EF, Nicastro D. The CSC connects three major axonemal complexes involved in dynein regulation. Molecular Biology Of The Cell 2012, 23: 3143-3155. PMID: 22740634, PMCID: PMC3418309, DOI: 10.1091/mbc.e12-05-0357.Peer-Reviewed Original ResearchConceptsNexin-dynein regulatory complexDynein regulationRadial spokesAxonemal complexCryo-electron tomographyWild-type motilityRegulatory complexFlagellar motilityDynein motorsChlamydomonas flagellaMotile ciliaStable assemblyFlagellaDifferent functionsRegulationRS1ComplexesMotilityStructural heterogeneityRS2Human healthImportant roleOrganellesHomologuesCSCCryoelectron tomography reveals doublet-specific structures and unique interactions in the I1 dynein
Heuser T, Barber CF, Lin J, Krell J, Rebesco M, Porter ME, Nicastro D. Cryoelectron tomography reveals doublet-specific structures and unique interactions in the I1 dynein. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: e2067-e2076. PMID: 22733763, PMCID: PMC3409752, DOI: 10.1073/pnas.1120690109.Peer-Reviewed Original ResearchConceptsI1 dyneinCryoelectron tomographyGel-based proteomicsInner arm dyneinsCiliary assemblySensory organellesSubtomogram averagingDynein activityCritical regulatorDyneinPolypeptide compositionDoublet microtubulesBiochemical comparisonMotor domainCiliary motilityFlagellar beatingUnique interactionsCiliary beatingMotilityEukaryotesAssemblyChlamydomonasSubcomplexMutantsCiliopathies