2023
How Bacterial Pathogens Coordinate Appetite with Virulence
Pokorzynski N, Groisman E. How Bacterial Pathogens Coordinate Appetite with Virulence. Microbiology And Molecular Biology Reviews 2023, 87: e00198-22. PMID: 37358444, PMCID: PMC10521370, DOI: 10.1128/mmbr.00198-22.Peer-Reviewed Original ResearchConceptsVirulence factorsTyphoid-like diseaseIntestinal inflammationFacultative intracellular pathogenImmunocompetent humansGut microbiotaPathogenic outcomesUtilization determinantsIntracellular pathogensSpecific nutrientsAntimicrobial agentsInfectionBacterial pathogensSerovar TyphimuriumBacterial virulencePathogensPathogenic traitsAnimal hostsPathwaySuch pathwaysCertain pathwaysMetabolic pathwaysVirulence programInflammationVirulenceBacteria 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
2018
Dietary sugar silences a colonization factor in a mammalian gut symbiont
Townsend GE, Han W, Schwalm ND, Raghavan V, Barry NA, Goodman AL, Groisman EA. Dietary sugar silences a colonization factor in a mammalian gut symbiont. Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 116: 233-238. PMID: 30559205, PMCID: PMC6320540, DOI: 10.1073/pnas.1813780115.Peer-Reviewed Original Research
2016
Multiple Signals Govern Utilization of a Polysaccharide in the Gut Bacterium Bacteroides thetaiotaomicron
Schwalm ND, Townsend GE, Groisman EA. Multiple Signals Govern Utilization of a Polysaccharide in the Gut Bacterium Bacteroides thetaiotaomicron. MBio 2016, 7: 10.1128/mbio.01342-16. PMID: 27729509, PMCID: PMC5061871, DOI: 10.1128/mbio.01342-16.Peer-Reviewed Original ResearchConceptsMammalian gut microbiotaPolysaccharide utilization genesUtilization genesHost dietGut symbiont Bacteroides thetaiotaomicronComplex polysaccharidesBacteroides thetaiotaomicronPleiotropic transcriptional regulatorDomains of lifeSubset of organismsRegulatory paradigmCritical nutrient sourceTranscriptional activatorTranscriptional regulatorsTranscriptional repressorCentral metabolismGenomic analysisMammalian gutMammalian hostsRegulatory architectureGut BacteroidesPolymeric fructanGut microbiotaGut bacteriumPolysaccharide breakdown