2005
Short report: Phylogenetic relationships of the anthropophilic Plasmodium falciparum malaria vectors in Africa.
MARSHALL J, POWELL J, Caccone A. Short report: Phylogenetic relationships of the anthropophilic Plasmodium falciparum malaria vectors in Africa. American Journal Of Tropical Medicine And Hygiene 2005, 73: 749-52. PMID: 16222020, DOI: 10.4269/ajtmh.2005.73.749.Peer-Reviewed Original ResearchConceptsNumber of speciesMalaria vectorsAfrican mosquito vectorsMosquito vectorsNuclear genesParaphyletic relationshipSubgenus CelliaPhylogenetic relationshipsPhylogenetic analysisAdditional speciesStatistical supportSpeciesPlasmodium falciparumP. falciparumCausative agentCelliaFalciparumGenesHistorical associationVectorBayesian methodsA cryptic taxon of Galpagos tortoise in conservation peril
Russello M, Glaberman S, Gibbs J, Marquez C, Powell J, Caccone A. A cryptic taxon of Galpagos tortoise in conservation peril. Biology Letters 2005, 1: 287-290. PMID: 17148189, PMCID: PMC1617146, DOI: 10.1098/rsbl.2005.0317.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDNAExtinction, BiologicalGenetic MarkersGenetic VariationGenetics, PopulationPhylogenySpecies SpecificityTurtlesConceptsBiological diversityFormal taxonomic designationGenetic divergenceGalápagos tortoisesAccurate taxonomyDistinct lineagesTaxonomic investigationGenetic divisionTaxonomic designationsSingle taxonGiant tortoisesBad taxonomyEvolutionary heritageNew taxonTaxaAccessible islandsTortoisesHuman intellectual historyDiversityConservationSanta CruzTaxonomyLineagesGalápagosOrganisms
2004
Giant tortoises are not so slow: Rapid diversification and biogeographic consensus in the Galápagos
Beheregaray L, Gibbs J, Havill N, Fritts T, Powell J, Caccone A. Giant tortoises are not so slow: Rapid diversification and biogeographic consensus in the Galápagos. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 6514-6519. PMID: 15084743, PMCID: PMC404076, DOI: 10.1073/pnas.0400393101.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiological EvolutionDNA, MitochondrialEcuadorGenetic VariationGeographyHaplotypesMolecular Sequence DataSpecies SpecificityTurtlesConceptsGiant Galápagos tortoisesGalápagos tortoisesGreat natural laboratoryGenetic variationDivergent monophyletic cladesHistory of diversificationIsolated oceanic archipelagoPatterns of colonizationBiogeographic predictionsEvolutionary diversificationGene flowEndemic haplotypesExtant populationsLimited dispersalOceanic archipelagosBiogeographic patternsEvolutionary eventsBiological diversificationMonophyletic cladeMtDNA sequencesRapid diversificationGenetic interchangeRange expansionOlder islandsGiant tortoises
1997
Selective Introgression of Paracentric Inversions Between Two Sibling Species of the Anopheles gambiae Complex
della Torre A, Merzagora L, Powell J, Coluzzi M. Selective Introgression of Paracentric Inversions Between Two Sibling Species of the Anopheles gambiae Complex. Genetics 1997, 146: 239-244. PMID: 9136013, PMCID: PMC1207938, DOI: 10.1093/genetics/146.1.239.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnophelesChromosome InversionCrosses, GeneticFemaleInfertility, MaleMaleSpecies SpecificityConceptsAnopheles gambiae complexSecond chromosomeChromosomal inversionsGambiae complexSecond chromosome inversionsExcess of heterozygotesSelective introgressionIntrogressive hybridizationSpeciation processChromosome inversionsHybrid populationsX chromosomeA. gambiaeParacentric inversionA. arabiensisChromosomesImportant vectorMajor vectorBehavioral flexibilitySpeciesWorld-wide casesIntrogressionGambiaeComplexes
1993
Conservation and change of the developmentally crucial fushi tarazu gene in Drosophila
Maier D, Sperlich D, Powell J. Conservation and change of the developmentally crucial fushi tarazu gene in Drosophila. Journal Of Molecular Evolution 1993, 36: 315-326. PMID: 8100278, DOI: 10.1007/bf00182179.Peer-Reviewed Original ResearchConceptsFushi tarazu geneMolecular developmental studiesLittle evolutionary conservationDNA sequence 5'Control elementsAntennapedia complexGenus DrosophilaFtz geneEvolutionary conservationMajor subgeneraGene homologsEvolutionary timeImportant DNA sequencesSequence conservationDevelopmental studiesDNA elementsEvolutionary changeDNA regionsDNA sequencesExonic sequencesProper regulationDrosophilaSequence 5GenesImportant sequences
1980
Genetics and the Origin of a Vector Population: Aedes aegypti, a Case Study
Powell J, Tabachnick W, Arnold J. Genetics and the Origin of a Vector Population: Aedes aegypti, a Case Study. Science 1980, 208: 1385-1387. PMID: 7375945, DOI: 10.1126/science.7375945.Peer-Reviewed Original ResearchConceptsEnzyme-coding genesMosquito Aedes aegyptiAedes aegyptiPopulation geneticsGenetic differencesVector populationsWorldwide distributionVector-borne diseasesGeneticsAegyptiSubspeciesGeographic regionsGenesPopulationSuch studiesMultivariate discriminant analysisOriginPopulation sampleGeneral applicability
1979
Inbreeding and mating patterns inDrosophila pseudoobscura
Powell J, Morton L. Inbreeding and mating patterns inDrosophila pseudoobscura. Behavior Genetics 1979, 9: 425-429. PMID: 539969, DOI: 10.1007/bf01066981.Peer-Reviewed Original Research
1976
GENETICS OF NATURAL POPULATIONS. XLIII. FURTHER STUDIES ON RATES OF DISPERSAL OF DROSOPHILA PSEUDOOBSCURA AND ITS RELATIVES
Powell J, Dobzhansky T, Hook J, Wistrand H. GENETICS OF NATURAL POPULATIONS. XLIII. FURTHER STUDIES ON RATES OF DISPERSAL OF DROSOPHILA PSEUDOOBSCURA AND ITS RELATIVES. Genetics 1976, 82: 493-506. PMID: 1269906, PMCID: PMC1213470, DOI: 10.1093/genetics/82.3.493.Peer-Reviewed Original ResearchConceptsDrosophila pseudoobscuraRate of dispersalD. persimilisD. mirandaGene flowDispersal capacityNatural populationsD. aztecaDispersal ratesRelease pointPseudoobscuraSpeciesFluorescent dustLocal populationBaitGenetic implicationsDispersalPersimilisGeneticsFliesMirandaAztecaRecapturePopulationPopulation sample
1972
Allozymes as Diagnostic Characters of Sibling Species of Drosophila
Ayala F, Powell J. Allozymes as Diagnostic Characters of Sibling Species of Drosophila. Proceedings Of The National Academy Of Sciences Of The United States Of America 1972, 69: 1094-1096. PMID: 4504321, PMCID: PMC426637, DOI: 10.1073/pnas.69.5.1094.Peer-Reviewed Original ResearchMeSH KeywordsAcid PhosphataseAdenine NucleotidesAlkaline PhosphataseAllelesAnimalsDrosophilaEsterasesGene FrequencyGenetic VariationGenetics, PopulationGenotypeGlyceraldehyde-3-Phosphate DehydrogenasesHexokinaseLeucyl AminopeptidaseMalate DehydrogenasePhosphoglucomutasePhosphotransferasesSpecies Specificity