2019
PACRG 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 ResearchConceptsDoublet microtubulesAxonemal doublet microtubulesCryo-electron tomographyCiliary doublet microtubulesInner junctionCiliary assemblyCoordinated ciliary beatingFAP20Ciliary componentsMotility defectsCiliary beatingPACRGMotile ciliaFunctional studiesMutant axonemesMicrotubulesB-tubuleCiliary motilityEssential roleStructural studiesAssemblyMotilityChlamydomonasMutantsAxoneme
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 microtubulesFlagellaCryoelectron 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