Featured Publications
An essential periplasmic protein coordinates lipid trafficking and is required for asymmetric polar growth in mycobacteria
Gupta K, Gwin C, Rahlwes K, Biegas K, Wang C, Park J, Liu J, Swarts B, Morita Y, Rego E. An essential periplasmic protein coordinates lipid trafficking and is required for asymmetric polar growth in mycobacteria. ELife 2022, 11: e80395. PMID: 36346214, PMCID: PMC9678360, DOI: 10.7554/elife.80395.Peer-Reviewed Original ResearchConceptsPeriplasmic proteinsPolar growthNew cell wall materialOld poleQuantitative time-lapse imagingAsymmetric polar growthCell wall synthesisCell envelope compositionCell wall materialTime-lapse imagingCellular asymmetryEssential proteinsBacterial geneticsEssential transporterSingle geneWall synthesisLipid traffickingPopulation of cellsPlasma membraneTMM transportUnknown functionBroad functionsMycolic acidsTrehalose monomycolateEnvelope compositionItaconate is an effector of a Rab GTPase cell-autonomous host defense pathway against Salmonella
Chen M, Sun H, Boot M, Shao L, Chang SJ, Wang W, Lam TT, Lara-Tejero M, Rego EH, Galán JE. Itaconate is an effector of a Rab GTPase cell-autonomous host defense pathway against Salmonella. Science 2020, 369: 450-455. PMID: 32703879, PMCID: PMC8020367, DOI: 10.1126/science.aaz1333.Peer-Reviewed Original ResearchNonlinear structured-illumination microscopy with a photoswitchable protein reveals cellular structures at 50-nm resolution
Rego EH, Shao L, Macklin JJ, Winoto L, Johansson GA, Kamps-Hughes N, Davidson MW, Gustafsson MG. Nonlinear structured-illumination microscopy with a photoswitchable protein reveals cellular structures at 50-nm resolution. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 109: e135-e143. PMID: 22160683, PMCID: PMC3271870, DOI: 10.1073/pnas.1107547108.Peer-Reviewed Original ResearchConceptsStructured-illumination microscopyUltralow light intensitiesSuperresolution imaging methodExcited statesFluorophore excited stateStructured illumination microscopyLight intensityRequired nonlinearityResolution extensionHigh light intensityActin cytoskeletonCellular structureReversible photoswitchingNuclear poresNonlinear responseIllumination intensitySuch nonlinear responsesPhotoswitchable proteinsSpatial resolutionFluorescent proteinBiological samplesSix-orderImaging methodMicroscopyPolystyrene beadsSuper-resolution 3D microscopy of live whole cells using structured illumination
Shao L, Kner P, Rego EH, Gustafsson MG. Super-resolution 3D microscopy of live whole cells using structured illumination. Nature Methods 2011, 8: 1044-1046. PMID: 22002026, DOI: 10.1038/nmeth.1734.Peer-Reviewed Original Research
2018
Rifampicin can induce antibiotic tolerance in mycobacteria via paradoxical changes in rpoB transcription
Zhu JH, Wang BW, Pan M, Zeng YN, Rego H, Javid B. Rifampicin can induce antibiotic tolerance in mycobacteria via paradoxical changes in rpoB transcription. Nature Communications 2018, 9: 4218. PMID: 30310059, PMCID: PMC6181997, DOI: 10.1038/s41467-018-06667-3.Peer-Reviewed Original Research
2012
Time-lapse two-color 3D imaging of live cells with doubled resolution using structured illumination
Fiolka R, Shao L, Rego EH, Davidson MW, Gustafsson MG. Time-lapse two-color 3D imaging of live cells with doubled resolution using structured illumination. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 5311-5315. PMID: 22431626, PMCID: PMC3325651, DOI: 10.1073/pnas.1119262109.Peer-Reviewed Original ResearchConceptsStructured-illumination microscopyOne-color excitationWide field natureDiffraction-limited resolutionLiquid crystal devicesSpecial fluorophoresCrystal devicesSIM setupExcitation wavelengthAcquisition speedHigh frame rateLight intensityFrame rateBiological structuresLive-cell imagingMultiple colorsMicroscopyHigh light intensityWavelengthLive cellsExcitationResolutionImaging