2023
Dietary sugars silence the master regulator of carbohydrate utilization in human gut Bacteroides species
Pearce V, Groisman E, Townsend G. Dietary sugars silence the master regulator of carbohydrate utilization in human gut Bacteroides species. Gut Microbes 2023, 15: 2221484. PMID: 37358144, PMCID: PMC10294740, DOI: 10.1080/19490976.2023.2221484.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacteroidesDietary SugarsFructoseGastrointestinal MicrobiomeGlucoseHumansMammalsConceptsMaster regulatorMicrobial populationsOrthologous transcription factorsMammalian gut microbiotaMicrobial gene expressionHuman gut symbiontHuman gut BacteroidesDistinct microbial populationsIntestinal Bacteroides speciesGut symbiontsCarbohydrate utilizationMRNA leaderTranscription factorsHost dietGut BacteroidesNutrient availabilityGene expressionMolecular pathwaysUnknown mechanismDietary sugarsBacteroides speciesFuture therapeutic interventionsRegulatorSimple sugarsPathogenic outcomes
2019
Activator of one protease transforms into inhibitor of another in response to nutritional signals
Yeom J, Groisman EA. Activator of one protease transforms into inhibitor of another in response to nutritional signals. Genes & Development 2019, 33: 1280-1292. PMID: 31371438, PMCID: PMC6719616, DOI: 10.1101/gad.325241.119.Peer-Reviewed Original ResearchConceptsNutritional signalsProtease specificityClpAP proteaseProtease LonProtein homeostasisParticular proteinToxic proteinsRegulatory roleParticular substrateRapid response mechanismProtein amountSpecific signalsResponse mechanismsProteaseProteinActivatorAcetylationProteomeCellsInhibitorsLonAdaptorSpecificityProteolysisBinds
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