2020
Horizontally acquired regulatory gene activates ancestral regulatory system to promote Salmonella virulence
Choi J, Groisman EA. Horizontally acquired regulatory gene activates ancestral regulatory system to promote Salmonella virulence. Nucleic Acids Research 2020, 48: 10832-10847. PMID: 33045730, PMCID: PMC7641745, DOI: 10.1093/nar/gkaa813.Peer-Reviewed Original ResearchConceptsPhoP/PhoQAncestral regulatorNucleoid structuring protein H-NSProtein H-NSS. bongoriSalmonella enterica serovar TyphimuriumAncestral genomesH-NSTarget promotersEnterica serovar TyphimuriumRegulatory genesBacterial virulenceSalmonella virulencePromoter regionSsrBOpposite regulationGenesS. typhimuriumPhoQRegulatory systemSerovar TyphimuriumVirulenceTranscriptionPromoterRegulator
2013
The lipopolysaccharide modification regulator PmrA limits Salmonella virulence by repressing the type three-secretion system Spi/Ssa
Choi J, Groisman EA. The lipopolysaccharide modification regulator PmrA limits Salmonella virulence by repressing the type three-secretion system Spi/Ssa. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 9499-9504. PMID: 23690578, PMCID: PMC3677452, DOI: 10.1073/pnas.1303420110.Peer-Reviewed Original ResearchConceptsPmrA proteinNull mutantsSalmonella virulenceThree secretion systemVirulence regulatory genesSalmonella enterica serovar TyphimuriumWild-type SalmonellaEnterica serovar TyphimuriumPmrA mutantRegulatory genesProtein bindsModification genesMurine typhoid feverControl expressionLPS modificationsPmrA geneMutantsGenesSerovar TyphimuriumPathogen persistenceAntimicrobial peptidesHost tissuesPromoterVirulenceProtein
1986
crp genes of Shigella flexneri, Salmonella typhimurium, and Escherichia coli
Cossart P, Groisman EA, Serre MC, Casadaban MJ, Gicquel-Sanzey B. crp genes of Shigella flexneri, Salmonella typhimurium, and Escherichia coli. Journal Of Bacteriology 1986, 167: 639-646. PMID: 3525518, PMCID: PMC212937, DOI: 10.1128/jb.167.2.639-646.1986.Peer-Reviewed Original ResearchConceptsE. coli crp geneNucleotide sequenceCatabolite gene activator proteinCRP geneGene activator proteinCrp gene productCorresponding amino acid sequencesE. coli CRPComplete nucleotide sequenceAmino acid divergenceEscherichia coli KAmino acid sequenceBase pair changesAmino acid differencesSalmonella typhimurium LT2S. typhimuriumRegulatory genesCodon usageActivator proteinRegulatory regionsGene productsAcid sequenceColi KPair changesAcid differences