Featured Publications
Pairwise and higher-order epistatic effects among somatic cancer mutations across oncogenesis
Alfaro-Murillo J, Townsend J. Pairwise and higher-order epistatic effects among somatic cancer mutations across oncogenesis. Mathematical Biosciences 2023, 366: 109091. PMID: 37996064, PMCID: PMC10847963, DOI: 10.1016/j.mbs.2023.109091.Peer-Reviewed Original ResearchStrength of selectionEpistatic effectsSelection coefficientsMutation rateHigher-order epistatic effectsLarge mutation ratesLarge selection coefficientsSomatic cancer mutationsUncontrolled cell growthSomatic evolutionMultiple somatic mutationsDriver genesCancer mutationsCancer research communityGenesSomatic genotypeCell growthOncogenesisMutationsSomatic mutationsEvolutionary modelsConsequent trajectoriesCancer genotypesPersonalized cancer therapyMutual exclusivity
2011
Retrospective evidence for a biological cost of vancomycin resistance determinants in the absence of glycopeptide selective pressures
Johnsen P, Townsend J, Bøhn T, Simonsen G, Sundsfjord A, Nielsen K. Retrospective evidence for a biological cost of vancomycin resistance determinants in the absence of glycopeptide selective pressures. Journal Of Antimicrobial Chemotherapy 2011, 66: 608-610. PMID: 21217128, PMCID: PMC3037156, DOI: 10.1093/jac/dkq512.Peer-Reviewed Original ResearchConceptsPopulation genetic modelsRelative fitness differencesStrong selectionBacterial fitnessFitness differencesFitness costsSelection coefficientsSelective pressureGlycopeptide-resistant Enterococcus faeciumResistance determinantsBiological fitness costBiological costGenetic modelsFarm environmentGlycopeptide resistance