2024
Signal integration and adaptive sensory diversity tuning in Escherichia coli chemotaxis
Moore J, Kamino K, Kottou R, Shimizu T, Emonet T. Signal integration and adaptive sensory diversity tuning in Escherichia coli chemotaxis. Cell Systems 2024, 15: 628-638.e8. PMID: 38981486, PMCID: PMC11307269, DOI: 10.1016/j.cels.2024.06.003.Peer-Reviewed Original ResearchEscherichia coli chemotaxisPopulation of E. coliMeasure kinase activityPhenotypic diversitySensory diversityDecreased diversityKinase activityDiverse phenotypesChemical signalsDiversitySingle cellsResponse to changesCellsSignalPhenotypePopulationChemotaxisSignal integrityLigandCompetitive ligandChemoattractant
2021
Escherichia coli chemotaxis is information limited
Mattingly H, Kamino K, Machta B, Emonet T. Escherichia coli chemotaxis is information limited. Nature Physics 2021, 17: 1426-1431. PMID: 35035514, PMCID: PMC8758097, DOI: 10.1038/s41567-021-01380-3.Peer-Reviewed Original ResearchNon-Genetic Diversity in Chemosensing and Chemotactic Behavior
Moore JP, Kamino K, Emonet T. Non-Genetic Diversity in Chemosensing and Chemotactic Behavior. International Journal Of Molecular Sciences 2021, 22: 6960. PMID: 34203411, PMCID: PMC8268644, DOI: 10.3390/ijms22136960.Peer-Reviewed Original Research
2020
Adaptive tuning of cell sensory diversity without changes in gene expression
Kamino K, Keegstra JM, Long J, Emonet T, Shimizu TS. Adaptive tuning of cell sensory diversity without changes in gene expression. Science Advances 2020, 6: eabc1087. PMID: 33188019, PMCID: PMC7673753, DOI: 10.1126/sciadv.abc1087.Peer-Reviewed Original ResearchConceptsPhenotypic diversityGene expressionCell variationDiversity of phenotypesChemoreceptor TarPosttranslational modificationsAllosteric couplingEnvironmental cuesChemotaxis networkCovalent modificationEnvironmental changesDiversitySensory diversityCell populationsCellsExpressionSuch betsPhenotypeEscherichiaPopulationPrevious studiesModificationVariationSignalsChemoreceptors
2011
High‐throughput, subpixel precision analysis of bacterial morphogenesis and intracellular spatio‐temporal dynamics
Sliusarenko O, Heinritz J, Emonet T, Jacobs‐Wagner C. High‐throughput, subpixel precision analysis of bacterial morphogenesis and intracellular spatio‐temporal dynamics. Molecular Microbiology 2011, 80: 612-627. PMID: 21414037, PMCID: PMC3090749, DOI: 10.1111/j.1365-2958.2011.07579.x.Peer-Reviewed Original ResearchConceptsCell cycle regulationCell lineage trackingComplex spatial organizationBacterial morphogenesisCaulobacter crescentusCellular processesCycle regulationLineage trackingChromosomal originFilamentous cellsSpatio-temporal dynamicsIntracellular componentsExternal cuesCell lengthMorphogenesisSpatial organizationSeparation eventsCellsUnbiased studyNovel aspectsCrescentusSegment cellsProtein concentrationCrowded imagesSilencing
2010
Spatial organization of the flow of genetic information in bacteria
Montero Llopis P, Jackson AF, Sliusarenko O, Surovtsev I, Heinritz J, Emonet T, Jacobs-Wagner C. Spatial organization of the flow of genetic information in bacteria. Nature 2010, 466: 77-81. PMID: 20562858, PMCID: PMC2896451, DOI: 10.1038/nature09152.Peer-Reviewed Original ResearchMeSH KeywordsBacterial ProteinsCaulobacter crescentusChaperoninsChromosomes, BacterialDiffusionDNA, BacterialEndoribonucleasesEscherichia coliGene Expression Regulation, BacterialIn Situ Hybridization, FluorescenceLac OperonProtein BiosynthesisRibosomesRNA StabilityRNA TransportRNA, BacterialRNA, MessengerTranscription, GeneticConceptsSites of transcriptionC. crescentusCaulobacter crescentusEukaryotic cellsCellular physiologyMRNA decayMature mRNAMRNA processesRNase EMRNA substratesMRNA localizationGenetic informationGene expressionBacterial cellsEscherichia coliQuantitative fluorescenceCrescentusSitu hybridizationSpatial organizationMRNABacteriaLimited dispersionCellsTranscriptionTranslationSingle‐cell quantification of IL‐2 response by effector and regulatory T cells reveals critical plasticity in immune response
Feinerman O, Jentsch G, Tkach KE, Coward JW, Hathorn MM, Sneddon MW, Emonet T, Smith KA, Altan-Bonnet G. Single‐cell quantification of IL‐2 response by effector and regulatory T cells reveals critical plasticity in immune response. Molecular Systems Biology 2010, 6: msb201090. PMID: 21119631, PMCID: PMC3010113, DOI: 10.1038/msb.2010.90.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedCoculture TechniquesEnzyme-Linked Immunosorbent AssayImmunity, CellularInterleukin-2Interleukin-2 Receptor alpha SubunitMiceMice, Inbred C57BLMice, TransgenicModels, BiologicalSingle-Cell AnalysisStaining and LabelingT-Lymphocytes, Helper-InducerT-Lymphocytes, RegulatoryConceptsInterleukin-2T cellsImmune responseSingle-cell quantificationSingle-cell measurementsEffector T cellsRegulatory T cellsIL-2 responseSurvival signalsReceptor expression levelsIndividual cellsSuppressive capacityCytokine regulationExpression levelsImmune systemHeterogeneous cellsSpecific suppressionSilico modelingPopulation levelCellsEffectorsResponseCritical plasticityPopulationSuppression
2005
Real-time RNA profiling within a single bacterium
Le TT, Harlepp S, Guet C, Dittmar K, Emonet T, Pan T, Cluzel P. Real-time RNA profiling within a single bacterium. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 9160-9164. PMID: 15967986, PMCID: PMC1166617, DOI: 10.1073/pnas.0503311102.Peer-Reviewed Original ResearchMeSH KeywordsBacterial ProteinsCell CycleCell ProliferationDose-Response Relationship, DrugDrug Resistance, MultipleEscherichia coliEscherichia coli ProteinsGene Expression Regulation, BacterialGenes, ReporterGenotypeGreen Fluorescent ProteinsModels, StatisticalPlasmidsPromoter Regions, GeneticProtein BindingRecombinant Fusion ProteinsRNARNA, MessengerSpectrometry, FluorescenceSpliceosomesTime FactorsTranscription, GeneticConceptsRNA profilingTranscriptional dynamicsInducible gene expression systemGene expression systemSingle cellsSpecific RNA levelsSingle bacteriumRNA levelsGenetic systemSpecific promotersFluorescence correlation spectroscopyExpression systemEscherichia coliEfflux pump systemGenetic deletionProfilingBacteriumPopulation measurementsKey determinantAntibiotic resistanceProkaryotesCellsPromoterCorrelation spectroscopyRNAAgentCell: a digital single-cell assay for bacterial chemotaxis
Emonet T, Macal CM, North MJ, Wickersham CE, Cluzel P. AgentCell: a digital single-cell assay for bacterial chemotaxis. Bioinformatics 2005, 21: 2714-2721. PMID: 15774553, DOI: 10.1093/bioinformatics/bti391.Peer-Reviewed Original ResearchConceptsBacterial chemotaxisSingle-cell biologySingle-cell assaysSingle-cell levelChemotaxis networkCellular behaviorBacterial populationsIntracellular processesIndividual cellsSingle cellsSwimming cellsMolecular interactionsChemotaxis assaysBiological systemsNew computational approachCellsComputational approachChemotaxisAssaysFlagellaBiologyBacterium