2024
Toxoplasma gondii actin filaments are tuned for rapid disassembly and turnover
Hvorecny K, Sladewski T, De La Cruz E, Kollman J, Heaslip A. Toxoplasma gondii actin filaments are tuned for rapid disassembly and turnover. Nature Communications 2024, 15: 1840. PMID: 38418447, PMCID: PMC10902351, DOI: 10.1038/s41467-024-46111-3.Peer-Reviewed Original ResearchConceptsActin filamentsDynamic properties of actin filamentsProperties of actin filamentsCytoskeletal protein actinFilamentous actin networkSkeletal muscle actinCryo-EM structureIn vitro assemblyOrganelle inheritanceD-loopActin networkNucleotide exchangeLive cell imagingProteins actinSkeletal actinConserved structureEvolutionary changesActinApicomplexan parasitesAssembly contactsIntracellular parasitesMonomer dissociationApicomplexanFilamentsBiophysical properties
2010
Structure-Based Analysis of Toxoplasma gondii Profilin: A Parasite-Specific Motif Is Required for Recognition by Toll-Like Receptor 11
Kucera K, Koblansky AA, Saunders LP, Frederick KB, De La Cruz EM, Ghosh S, Modis Y. Structure-Based Analysis of Toxoplasma gondii Profilin: A Parasite-Specific Motif Is Required for Recognition by Toll-Like Receptor 11. Journal Of Molecular Biology 2010, 403: 616-629. PMID: 20851125, PMCID: PMC2957522, DOI: 10.1016/j.jmb.2010.09.022.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceAnimalsBase SequenceCrystallography, X-RayDNA PrimersImmunity, InnateIn Vitro TechniquesMacrophages, PeritonealMiceMice, KnockoutModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedMutant ProteinsPlasmodium falciparumProfilinsProtein Structure, SecondaryProtozoan ProteinsRabbitsRecombinant ProteinsSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidSignal TransductionStatic ElectricityToll-Like ReceptorsToxoplasmaConceptsAcidic loopToll-like receptor 11Β-hairpinLong β-hairpinApicomplexan parasite Cryptosporidium parvumActin-binding surfaceFilament barbed endsStructure-based analysisYeast profilinGondii profilinProfilin mutantsGliding motilityParasite Cryptosporidium parvumT. gondii profilinNucleotide exchangeToxoplasma gondii profilinRabbit actinPlasmodium falciparum resultsActin polymerizationApicomplexan protozoaHomologous loopBarbed endsHost cellsIL-12 secretionInnate immune response