2021
Structural insights into the cause of human RSPH4A primary ciliary dyskinesia
Zhao Y, Pinskey J, Lin J, Yin W, Sears P, Daniels L, Zariwala M, Knowles M, Ostrowski L, Nicastro D. Structural insights into the cause of human RSPH4A primary ciliary dyskinesia. Molecular Biology Of The Cell 2021, 32: 1202-1209. PMID: 33852348, PMCID: PMC8351563, DOI: 10.1091/mbc.e20-12-0806.Peer-Reviewed Original ResearchConceptsStructural basisCryo-electron tomographyRadial spokesCentral pair complexUnderlying structural basisAxonemal repeatEukaryotic organellesArch domainThree-dimensional structureSubtomogram averagingOrgan positioningCell motilityStructural insightsPrimary ciliary dyskinesiaCiliaHuman ciliaHuman respiratory ciliaRS1Primary defectStructure determinationCiliary dyskinesiaHuman healthOrganellesFlagellaRepeats
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 stateOrganellesIsoformsCiliaActivity
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 filaments
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 ResearchConceptsCentral 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 microtubulesFlagellaThe 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 roleOrganellesHomologuesCSCThe structural heterogeneity of radial spokes in cilia and flagella is conserved
Lin J, Heuser T, Carbajal‐González B, Song K, Nicastro D. The structural heterogeneity of radial spokes in cilia and flagella is conserved. Cytoskeleton 2012, 69: 88-100. PMID: 22170736, PMCID: PMC3307805, DOI: 10.1002/cm.21000.Peer-Reviewed Original ResearchConceptsFlagellar motilityRadial spokesNexin-dynein regulatory complexRegulatory complexFlagellar structureMost organismsThree-dimensional structureSubtomogram averagingCryoelectron tomographyDynein motorsDynein activityChlamydomonas flagellaMotile ciliaFlagellaSperm flagellaUbiquitous componentOrganismsFunctional differencesEssential roleCiliaRepeat unitsUnprecedented detailBasal partRS1Motility
2011
Building Blocks of the Nexin-Dynein Regulatory Complex in Chlamydomonas Flagella*
Lin J, Tritschler D, Song K, Barber CF, Cobb JS, Porter ME, Nicastro D. Building Blocks of the Nexin-Dynein Regulatory Complex in Chlamydomonas Flagella*. Journal Of Biological Chemistry 2011, 286: 29175-29191. PMID: 21700706, PMCID: PMC3190725, DOI: 10.1074/jbc.m111.241760.Peer-Reviewed Original ResearchConceptsNexin-dynein regulatory complexRegulatory complexImportant regulatory nodeTwo-dimensional electrophoresisRegulatory nodesProtein phosphorylationSignal transductionPhosphorylation statusMALDI-TOF mass spectrometryDynein motorsDynein activityChlamydomonas flagellaMotile ciliaRegulatory functionsPhosphorylated isoformsCoordination of thousandsFlagellar axonemeBiochemical comparisonRadial spokesPCR analysisFlagellar bendingIsoform patternFlagellaMolecular compositionProtein