2025
Infection-relevant conditions dictate differential versus coordinate expression of Salmonella chaperones and cochaperones
Chan C, Mukai K, Groisman E. Infection-relevant conditions dictate differential versus coordinate expression of Salmonella chaperones and cochaperones. MBio 2025, 16: e00227-25. PMID: 40162747, PMCID: PMC12077118, DOI: 10.1128/mbio.00227-25.Peer-Reviewed Original ResearchConceptsInfection-relevant conditionsJ-domainProtein homeostasisChaperone DnaKCytoplasmic MgMolecular chaperonesNucleotide exchange factor GrpEChaperone trigger factorSigma factor RpoHProteins co-translationallyExpression of molecular chaperonesPreventing protein aggregationIncreased mRNA amountsPerturb protein homeostasisMRNA amountsCochaperone DnaJRpoH proteinCo-translationallyPost-translationallyCochaperoneExpressed genesFolded proteinsDnaKCoordinated expressionChaperone
2006
The PhoP/PhoQ two-component system stabilizes the alternative sigma factor RpoS in Salmonella enterica
Tu X, Latifi T, Bougdour A, Gottesman S, Groisman EA. The PhoP/PhoQ two-component system stabilizes the alternative sigma factor RpoS in Salmonella enterica. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 13503-13508. PMID: 16938894, PMCID: PMC1557385, DOI: 10.1073/pnas.0606026103.Peer-Reviewed Original ResearchConceptsSigma factor RpoSPhoP/PhoQTwo-component systemAlternative sigma factor RpoSTwo-component regulatory system PhoP/PhoQPhoP/PhoQ.Stress response genesSalmonella enterica serovar TyphimuriumRpoS stabilityClpXP proteaseTranscriptional activatorEnterica serovar TyphimuriumRegulatory circuitsRpoS mutantResponse genesRegulatory proteinsProtein turnoverRpoSBacterial speciesEscherichia coliPhoP geneGenesSerovar TyphimuriumE. coliPhoQ
2001
Salmonella enterica Serovar Typhimurium Response Involved in Attenuation of Pathogen Intracellular Proliferation
Cano D, Martı́nez-Moya M, Pucciarelli M, Groisman E, Casadesús J, Portillo F. Salmonella enterica Serovar Typhimurium Response Involved in Attenuation of Pathogen Intracellular Proliferation. Infection And Immunity 2001, 69: 6463-6474. PMID: 11553591, PMCID: PMC98782, DOI: 10.1128/iai.69.10.6463-6474.2001.Peer-Reviewed Original ResearchConceptsIntracellular growth rateIntracellular bacterial viabilityIntracellular proliferation rateNormal rat kidney fibroblastsBacterial overgrowthNonphagocytic host cellsRat kidney fibroblastsNormal fibroblast cellsIntracellular bacterial proliferationMacrophage cellsIntracellular proliferationIntracellular bacteriaKidney fibroblastsVirulence genesFunction mutationsProliferation rateHost cellsBacterial proliferationSerovar TyphimuriumPhoP-PhoQ systemS. entericaProliferationCellsSalmonella enterica
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