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