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 B6
2009
Identifying Genetic Determinants Needed to Establish a Human Gut Symbiont in Its Habitat
Goodman AL, McNulty NP, Zhao Y, Leip D, Mitra RD, Lozupone CA, Knight R, Gordon JI. Identifying Genetic Determinants Needed to Establish a Human Gut Symbiont in Its Habitat. Cell Host & Microbe 2009, 6: 279-289. PMID: 19748469, PMCID: PMC2895552, DOI: 10.1016/j.chom.2009.08.003.Peer-Reviewed Original ResearchConceptsHuman gut symbiontHuman gut bacteriumHuman gut commensalAdjacent chromosomal DNAGut symbiontsHuman gut microbiotaGenomic locationMicrobial genesCommunity compositionTransposon mutantsMicrobial adaptationChromosomal DNAHuman symbiontsParallel sequencingGut bacteriumBacteroides thetaiotaomicronRelative abundanceGenetic determinantsGut commensalsSymbiontsVivo selectionMetabolic organCellular compositionGnotobiotic miceGut microbiota