2021
The somatic molecular evolution of cancer: Mutation, selection, and epistasis
Dasari K, Somarelli JA, Kumar S, Townsend JP. The somatic molecular evolution of cancer: Mutation, selection, and epistasis. Progress In Biophysics And Molecular Biology 2021, 165: 56-65. PMID: 34364910, PMCID: PMC8819680, DOI: 10.1016/j.pbiomolbio.2021.08.003.Peer-Reviewed Original ResearchConceptsCancer evolutionEpistatic interactionsNeutral mutation rateCancer progressionEvolution of neoplasmsSingle nucleotide variantsMolecular evolutionRate of fixationGenetic interactionsEvolutionary biologyPhylogenetic analysisCopy number aberrationsPhylogenetic relationsNeutral mutationsGenomic dataSelective pressureSynonymous mutationsMutation rateChromosomal instabilityPhenotypic changesLoss of heterozygosityFitness landscapeClonal deconvolutionTumor microenvironmentEnvironment interaction
2016
Climatic and evolutionary drivers of phase shifts in the plague epidemics of colonial India
Lewnard JA, Townsend JP. Climatic and evolutionary drivers of phase shifts in the plague epidemics of colonial India. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 14601-14608. PMID: 27791071, PMCID: PMC5187705, DOI: 10.1073/pnas.1604985113.Peer-Reviewed Original ResearchConceptsPlague resistanceEnvironmental driversIntense natural selectionWild host populationsIntense selective pressureEvolutionary driversPossible evolutionary basisHost evolutionNatural selectionDisease resistanceEvolutionary selectionFlea population dynamicsEvolutionary basisSelective pressureEvolutionary processesPopulation dynamicsHost populationsWildlife hostsLocal persistencePlague dynamicsCommensal ratsDisease agentsPowerful insightsDisease transmissionEcology
2012
Codon Deviation Coefficient: a novel measure for estimating codon usage bias and its statistical significance
Zhang Z, Li J, Cui P, Ding F, Li A, Townsend JP, Yu J. Codon Deviation Coefficient: a novel measure for estimating codon usage bias and its statistical significance. BMC Bioinformatics 2012, 13: 43. PMID: 22435713, PMCID: PMC3368730, DOI: 10.1186/1471-2105-13-43.Peer-Reviewed Original ResearchConceptsCodon usage biasNucleotide compositionUsage biasGenome evolutionGene functionProtein functionCodon usageNatural selectionCodon positionsTranslational efficiencySelective pressureSequence compositionGene expressionSequence analysisSimulated sequencesSequenceGenomeGenesFundamental importanceMutationsInformative estimationExpression
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
2009
Measuring Transcription Factor–Binding Site Turnover: A Maximum Likelihood Approach Using Phylogenies
Otto W, Stadler PF, López-Giraldéz F, Townsend JP, Lynch VJ, Wagner GP. Measuring Transcription Factor–Binding Site Turnover: A Maximum Likelihood Approach Using Phylogenies. Genome Biology And Evolution 2009, 1: 85-98. PMID: 20333180, PMCID: PMC2817405, DOI: 10.1093/gbe/evp010.Peer-Reviewed Original ResearchTranscription factor-binding sitesCis-regulatory elementsHOXA clusterSelective pressureGene expression evolutionMethionine biosynthesis pathwayLow sequence similarityFactor-binding sitesClade-specific differencesTurnover rateExpression evolutionSpecies treeBiosynthesis pathwayRelated speciesSequence similaritySite turnoverDifferent organismsSequence evolutionTranscription factorsDifferent cladesFungal dataProgesterone response elementMaximum likelihood modelVertebratesTurnover