2023
Infection leaves a genetic and functional mark on the gut population of a commensal bacterium
Tawk C, Lim B, Bencivenga-Barry N, Lees H, Ramos R, Cross J, Goodman A. Infection leaves a genetic and functional mark on the gut population of a commensal bacterium. Cell Host & Microbe 2023, 31: 811-826.e6. PMID: 37119822, PMCID: PMC10197903, DOI: 10.1016/j.chom.2023.04.005.Peer-Reviewed Original ResearchConceptsRapid genetic adaptationSingle nucleotide variantsMultiple phylaGenetic adaptationFunctional marksStable marksEnteric infectionsGene expressionPopulation dynamicsGut commensalsCommensal populationsMicrobiome compositionAbsence of infectionRapid selectionCitrobacter rodentiumFitnessGut populationsCommensal bacteriumInfected miceGastrointestinal infectionsGnotobiotic miceCommensalGut lumenDirect administrationVitamin B6Bacteria require phase separation for fitness in the mammalian gut
Krypotou E, Townsend G, Gao X, Tachiyama S, Liu J, Pokorzynski N, Goodman A, Groisman E. Bacteria require phase separation for fitness in the mammalian gut. Science 2023, 379: 1149-1156. PMID: 36927025, PMCID: PMC10148683, DOI: 10.1126/science.abn7229.Peer-Reviewed Original ResearchConceptsMammalian gutTranscription termination factor RhoTermination factor RhoGene regulationTranscription terminationMechanisms bacteriaBacteria interactionsHuman commensalValuable targetBacteriaRhoGut microbiotaFitnessNovel clinical applicationsTherapeutic manipulationGutHuman healthCommensalRegulation
2019
Mapping human microbiome drug metabolism by gut bacteria and their genes
Zimmermann M, Zimmermann-Kogadeeva M, Wegmann R, Goodman AL. Mapping human microbiome drug metabolism by gut bacteria and their genes. Nature 2019, 570: 462-467. PMID: 31158845, PMCID: PMC6597290, DOI: 10.1038/s41586-019-1291-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacteriaBacteroides thetaiotaomicronDiltiazemFemaleGastrointestinal MicrobiomeGenome, BacterialGerm-Free LifeHumansMaleMicePharmaceutical PreparationsSubstrate SpecificityConceptsHuman gut bacteriaGut bacteriaHigh-throughput genetic analysisMicrobial gene productsDiverse cladeGene contentGenomic contentGene productsGenetic analysisMolecular mechanismsDrug metabolismBacteriaMultiple disease indicationsMetabolic activityDrug-metabolizing activityGut microbiomeMicrobiomeMetabolismDrug developmentMedical therapyTreatment delayMass spectrometryCladeDisease indicationsAdverse effectsSeparating host and microbiome contributions to drug pharmacokinetics and toxicity
Zimmermann M, Zimmermann-Kogadeeva M, Wegmann R, Goodman AL. Separating host and microbiome contributions to drug pharmacokinetics and toxicity. Science 2019, 363 PMID: 30733391, PMCID: PMC6533120, DOI: 10.1126/science.aat9931.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacteroides thetaiotaomicronBiological AvailabilityBiotransformationBromodeoxyuridineClonazepamGastrointestinal MicrobiomeGerm-Free LifeMiceConceptsMicrobiome contributionDrug metabolismFunction of bioavailabilityDrug-metabolizing activitySame metabolic transformationsMetabolism of drugsSystemic drugsMetabolite exposureMetabolite absorptionGut microbiotaDrug pharmacokineticsDrug efficacyPharmacokinetic modelDrugsMedical drugsTransit kineticsMetabolismInterpersonal variationMetabolic transformationToxicityMetabolic routesPharmacokineticsMice
2018
The Stringent Response Determines the Ability of a Commensal Bacterium to Survive Starvation and to Persist in the Gut
Schofield WB, Zimmermann-Kogadeeva M, Zimmermann M, Barry NA, Goodman AL. The Stringent Response Determines the Ability of a Commensal Bacterium to Survive Starvation and to Persist in the Gut. Cell Host & Microbe 2018, 24: 120-132.e6. PMID: 30008292, PMCID: PMC6086485, DOI: 10.1016/j.chom.2018.06.002.Peer-Reviewed Original ResearchConceptsCarbon starvationStringent responseHuman gut bacterium Bacteroides thetaiotaomicronTricarboxylic acid cycle genesMultiple biosynthetic pathwaysCycle genesCentral metabolismMammalian gutTriggers accumulationBiosynthetic pathwayBacteroides thetaiotaomicronDeficient strainMetabolic regulatorAlpha-ketoglutarate supplementationStarvationAlpha-ketoglutarateC labelingCommensal bacteriaMetabolomic analysisGut microbiomeCommensal bacteriumThetaiotaomicronBacteriaPathwayGut