1994
The origin and evolution of species differences in Escherichia coli and Salmonella typhimurium
Ochman H, Groisman EA. The origin and evolution of species differences in Escherichia coli and Salmonella typhimurium. EXS 1994, 69: 479-493. PMID: 7994120, DOI: 10.1007/978-3-0348-7527-1_27.Peer-Reviewed Original ResearchConceptsSpecies-specific sequencesSalmonella chromosomeEscherichia coliCodon usage patternsOpen reading frameHost epithelial cellsCommon ancestorMap positionPhenotypic charactersReading frameBase compositionHorizontal transferSalmonella typhimuriumMutant strainGenetic differencesEnteric speciesBacterial speciesGenomePoint mutationsPhenotypic characteristicsSpeciesCorresponding regionChromosomesSpecies differencesEpithelial cells
1993
Molecular, functional, and evolutionary analysis of sequences specific to Salmonella.
Groisman EA, Sturmoski MA, Solomon FR, Lin R, Ochman H. Molecular, functional, and evolutionary analysis of sequences specific to Salmonella. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 1033-1037. PMID: 8430070, PMCID: PMC45805, DOI: 10.1073/pnas.90.3.1033.Peer-Reviewed Original ResearchConceptsAtypical base compositionIndependent evolutionary eventsPhenotypic characteristicsOpen reading frameLac gene fusionsWild-type parentLysR familyEvolutionary eventsDeletion strainEvolutionary analysisTranscriptional regulatorsReading frameSalmonella genomeNucleotide sequenceBase compositionHorizontal transferDNA fragmentsGene fusionsBacterial speciesEnteric bacteriaStructural similaritySpeciesVirulenceSequenceUnprecedented array