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
2022
Collective behavior and nongenetic inheritance allow bacterial populations to adapt to changing environments
Mattingly H, Emonet T. Collective behavior and nongenetic inheritance allow bacterial populations to adapt to changing environments. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2117377119. PMID: 35727978, PMCID: PMC9245662, DOI: 10.1073/pnas.2117377119.Peer-Reviewed Original ResearchConceptsNongenetic inheritanceCollective migrationPhenotype compositionIsogenic populationsDifferential lossSwimming phenotypeCell divisionBacterial populationsCell growthMultiple environmentsPhenotypePhenotypic compositionDifferent phenotypesInheritanceChemotactic bacteriaModel systemHigh inheritanceMigration speedDifferent environmentsNew environmentCollective behaviorMigrationPopulationGrowthDiversity
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
2014
Adaptability of non-genetic diversity in bacterial chemotaxis
Frankel NW, Pontius W, Dufour YS, Long J, Hernandez-Nunez L, Emonet T. Adaptability of non-genetic diversity in bacterial chemotaxis. ELife 2014, 3: e03526. PMID: 25279698, PMCID: PMC4210811, DOI: 10.7554/elife.03526.Peer-Reviewed Original ResearchConceptsGene regulationNon-genetic diversityBacterial chemotaxis systemHeritable controlChemotaxis systemSelectable traitAdvantageous diversityEnvironmental variationBacterial chemotaxisEnvironmental variabilityClonal populationsDiverse environmentsDiversityE. coliProtein levelsMutationsDifferent environmentsRegulationForagingTraitsColiDiversificationBacteriaColonizationPopulation
2010
Single‐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