2023
Bacteria 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
2022
Gut colonization by Bacteroides requires translation by an EF‐G paralog lacking GTPase activity
Han W, Peng B, Wang C, Townsend G, Barry N, Peske F, Goodman A, Liu J, Rodnina M, Groisman E. Gut colonization by Bacteroides requires translation by an EF‐G paralog lacking GTPase activity. The EMBO Journal 2022, 42: embj2022112372. PMID: 36472247, PMCID: PMC9841332, DOI: 10.15252/embj.2022112372.Peer-Reviewed Original ResearchConceptsEF-G1Protein synthesisGTPase activityGuanosine triphosphateElongation factor GCarbon starvationCellular processesStarvation conditionsBacteroides thetaiotaomicronFactor GSingular abilityAmino acidsCell growthParalogsMurine cecumTranslocationGut colonizationColonizationCellsRibosomesProteinStarvationThetaiotaomicronBacteriaFitness
2002
Conflicting needs for a Salmonella hypervirulence gene in host and non‐host environments
Mouslim C, Hilbert F, Huang H, Groisman EA. Conflicting needs for a Salmonella hypervirulence gene in host and non‐host environments. Molecular Microbiology 2002, 45: 1019-1027. PMID: 12180921, DOI: 10.1046/j.1365-2958.2002.03070.x.Peer-Reviewed Original ResearchConceptsSole carbon sourceD-Ala-D-Ala dipeptidaseNon-host environmentsNutrient-poor conditionsPathogen Salmonella entericaCarbon sourceWild-type SalmonellaPathogen fitnessFaster growth rateGenesInfected hostHypervirulence genesMutantsInnate immunitySalmonella entericaDipeptidase activityGrowth rateHostInactivationPhenotypeFitnessDipeptidasePathogensSalmonellaEnterica