2003
Analysis of a Shift in Codon Usage in Drosophila
Powell JR, Sezzi E, Moriyama EN, Gleason JM, Caccone A. Analysis of a Shift in Codon Usage in Drosophila. Journal Of Molecular Evolution 2003, 57: s214-s225. PMID: 15008418, DOI: 10.1007/s00239-003-0030-3.Peer-Reviewed Original ResearchConceptsCodon usageD. melanogasterMutation biasSaltans species groupAmino acidsFour-fold degenerate sitesRelaxed selectionD. willistoniExtant speciesDrosophila willistoniSpecies groupsPosttranscriptional modificationsWobble positionDegenerate sitesFrozen accidentWillistoniLineagesRelative abundanceMelanogasterSpeciesTRNAGenesC compositionFurther insightDrosophila
1993
Rates of DNA evolution in Drosophila depend on function and developmental stage of expression.
Powell J, Caccone A, Gleason J, Nigro L. Rates of DNA evolution in Drosophila depend on function and developmental stage of expression. Genetics 1993, 133: 291-298. PMID: 8094697, PMCID: PMC1205319, DOI: 10.1093/genetics/133.2.291.Peer-Reviewed Original ResearchConceptsComplementary DNADNA-DNA hybridization experimentsTotal single-copy DNALineage-specific shiftsSingle-copy genomeDivergence of genesSpecies of DrosophilaDevelopmental stagesDNA sequence divergenceGreater evolutionary distanceSingle-copy DNADifferent developmental stagesDNA evolutionEvolutionary distanceCodon usageCDNA sequenceSequence dataHybridization experimentsDegree of relatednessDrosophilaEmbryonic stagesSilent substitutionsGenesSpeciesDNA