2022
Differential synthesis of novel small protein times Salmonella virulence program
Salvail H, Choi J, Groisman EA. Differential synthesis of novel small protein times Salmonella virulence program. PLOS Genetics 2022, 18: e1010074. PMID: 35245279, PMCID: PMC8896665, DOI: 10.1371/journal.pgen.1010074.Peer-Reviewed Original ResearchConceptsVirulence programPhoP/PhoQCold-blooded animalsSalmonella enterica serovar TyphimuriumAncestral regulatorGene organizationBicistronic operonEnterica serovar TyphimuriumPolycistronic mRNACellular processesGene controlCorresponding proteinMRNA speciesOperonPhoP phosphorylationGenesSerovar TyphimuriumDifferential synthesisPremature activationS. entericaMRNATranslationUgtLPhoQRibosomes
2012
An Allele of an Ancestral Transcription Factor Dependent on a Horizontally Acquired Gene Product
Chen HD, Jewett MW, Groisman EA. An Allele of an Ancestral Transcription Factor Dependent on a Horizontally Acquired Gene Product. PLOS Genetics 2012, 8: e1003060. PMID: 23300460, PMCID: PMC3531487, DOI: 10.1371/journal.pgen.1003060.Peer-Reviewed Original ResearchConceptsPolymyxin B resistanceGene productsTranscription of PmrAGene regulatory circuitsB resistanceSingle amino acid differenceAmino acid differencesPmrA proteinAncestral genomesAncestral genePmrD proteinRegulatory circuitsB alleleHorizontal transferGene expressionPhenotypic differencesAcid differencesGenesBiochemical propertiesBiofilm formationPmrAAllelesSalmonella entericaS. entericaProtein
2009
Short-Term Signatures of Evolutionary Change in the Salmonella enterica Serovar Typhimurium 14028 Genome
Jarvik T, Smillie C, Groisman EA, Ochman H. Short-Term Signatures of Evolutionary Change in the Salmonella enterica Serovar Typhimurium 14028 Genome. Journal Of Bacteriology 2009, 192: 560-567. PMID: 19897643, PMCID: PMC2805332, DOI: 10.1128/jb.01233-09.Peer-Reviewed Original ResearchConceptsComplete genomic sequenceGenomic sequencesSalmonella enterica serovar TyphimuriumTyphoid-like diseaseEnterica serovar TyphimuriumEvolutionary changeSequence evolutionGram-negative pathogensS. typhimuriumSerovar TyphimuriumComplete inventoryGenetic alterationsAvirulent strainsS. entericaPathogenic organismsSequenceLaboratory passageS. typhimurium strainTyphimuriumGenomeStrainsTyphimurium strainsLT2 strainOrganismsProgenitors
2004
Evolution and Ecology of Salmonella
Winfield MD, Groisman EA. Evolution and Ecology of Salmonella. EcoSal Plus 2004, 1: 10.1128/ecosalplus.6.4.6. PMID: 26443365, DOI: 10.1128/ecosalplus.6.4.6.Peer-Reviewed Original ResearchNew genetic variationWhole-genome comparisonsGenus SalmonellaWarm-blooded hostsAdaptive radiationAncestral associationGene contentSalmonella-specific genesGenetic diversityHost specificityParticular lineageNonhost environmentsGenetic variationGenetic mechanismsHost rangeDiverse ecologyWide phenotypic heterogeneityGenetic materialEcology of SalmonellaGenetic eventsWide diversityPhenotypic heterogeneityS. entericaGenusEcology
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
1995
Relationship between evolutionary rate and cellular location among the Inv/Spa invasion proteins of Salmonella enterica.
Li J, Ochman H, Groisman EA, Boyd EF, Solomon F, Nelson K, Selander RK. Relationship between evolutionary rate and cellular location among the Inv/Spa invasion proteins of Salmonella enterica. Proceedings Of The National Academy Of Sciences Of The United States Of America 1995, 92: 7252-7256. PMID: 7638176, PMCID: PMC41317, DOI: 10.1073/pnas.92.16.7252.Peer-Reviewed Original ResearchConceptsEvolutionary ratesInvasion genesInvasion proteinsCellular locationSequence identityProtein export systemNonphagocytic host cellsWarm-blooded vertebratesEnteric pathogens ShigellaSalmonella entericaS. entericaEvolutionary diversificationNiche expansionExport systemExtracellular environmentHost cellsSPA complexGenesEnteric bacteriaProteinFlagellar phaseKey eventsSubspeciesHomologuesSpa gene