Featured Publications
DMA-tudor interaction modules control the specificity of in vivo condensates
Courchaine EM, Barentine AES, Straube K, Lee DR, Bewersdorf J, Neugebauer KM. DMA-tudor interaction modules control the specificity of in vivo condensates. Cell 2021, 184: 3612-3625.e17. PMID: 34115980, PMCID: PMC8402948, DOI: 10.1016/j.cell.2021.05.008.Peer-Reviewed Original ResearchLight microscopy of proteins in their ultrastructural context
M’Saad O, Bewersdorf J. Light microscopy of proteins in their ultrastructural context. Nature Communications 2020, 11: 3850. PMID: 32737322, PMCID: PMC7395138, DOI: 10.1038/s41467-020-17523-8.Peer-Reviewed Original ResearchConceptsUltrastructural contextLocal protein densityConventional confocal microscopeCellular nanoarchitectureOptical contrastSpecific proteinsElectron microscopyFluorescence microscopyLight microscopyProteinBulk labelingProtein densityConfocal microscopeStandard light microscopyIntracellular spaceMicroscopyProteomeCellsNanoscaleMicroscopeNew principleDiscoveryLabelingPhysical expansionDensity
2024
Native architecture of a human GBP1 defense complex for cell-autonomous immunity to infection
Zhu S, Bradfield C, Maminska A, Park E, Kim B, Kumar P, Huang S, Kim M, Zhang Y, Bewersdorf J, MacMicking J. Native architecture of a human GBP1 defense complex for cell-autonomous immunity to infection. Science 2024, 383: eabm9903. PMID: 38422126, DOI: 10.1126/science.abm9903.Peer-Reviewed Original ResearchConceptsGuanylate-binding proteinsCaspase-4Surface of Gram-negative bacteriaGuanosine triphosphate hydrolysisImmunity to infectionInnate immunity to infectionCryo-electron tomographyGram-negative bacteriaImmunity proteinSignaling platformsMembrane insertionHuman cellsNative structureCombat infectionsLipopolysaccharide releaseGasdermin DExtended conformationLiving organismsProteinDefense complexCellsNative architectureGBP1BacteriaInfection
2017
Visualization and characterization of individual type III protein secretion machines in live bacteria
Zhang Y, Lara-Tejero M, Bewersdorf J, Galán JE. Visualization and characterization of individual type III protein secretion machines in live bacteria. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 6098-6103. PMID: 28533372, PMCID: PMC5468683, DOI: 10.1073/pnas.1705823114.Peer-Reviewed Original ResearchConceptsProtein secretion machinesSecretion machineType III secretion machinesLive bacteriaEukaryotic cellsEffector proteinsMolecular machinesSubcellular distributionSuperresolution microscopyBacteriaMajor insightsResolution gapDetailed viewAssemblyMutantsProteinNanomachinesCharacterizationCellsSpatial distributionIsolation