2002
Speciation Within Anopheles gambiae-- the Glass Is Half Full
della Torre A, Costantini C, Besansky N, Caccone A, Petrarca V, Powell J, Coluzzi M. Speciation Within Anopheles gambiae-- the Glass Is Half Full. Science 2002, 298: 115-117. PMID: 12364784, DOI: 10.1126/science.1078170.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAfrica South of the SaharaAllelesAnimalsAnophelesBiological EvolutionChromosome InversionChromosomesDNA, RibosomalEcosystemEnvironmentFeeding BehaviorGenetic VariationGenetics, PopulationGenomeHuman ActivitiesHumansInsect Bites and StingsInsect VectorsMalariaMicrosatellite RepeatsReproductionSequence Analysis, DNA
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
1978
Genetic structure of the East African domestic populations of Aedes aegypti
TABACHNICK W, POWELL J. Genetic structure of the East African domestic populations of Aedes aegypti. Nature 1978, 272: 535-537. PMID: 692658, DOI: 10.1038/272535a0.Peer-Reviewed Original ResearchConceptsPopulation genetic analysesDomestic populationsSignificant genetic differencesA. aegyptiYellow fever mosquitoAedes aegyptiGenetic substructuringGenetic structurePanmictic unitFeral formsPopulation breedsGenetic analysisTropical forestsDisturbed areasBehavioral variationGenetic differencesCoconut palmsDark formGene frequenciesMosquito populationsDomestic formsAegyptiComplex speciesClose proximitySpecies
1974
Interaction of genetic loci: the effect of linkage disequilibria on hardy-weinberg expectations
Powell J. Interaction of genetic loci: the effect of linkage disequilibria on hardy-weinberg expectations. Heredity 1974, 32: 151-158. PMID: 4526038, DOI: 10.1038/hdy.1974.18.Peer-Reviewed Original Research
1973
APPARENT SELECTION OF ENZYME ALLELES IN LABORATORY POPULATIONS OF DROSOPHILA
Powell J. APPARENT SELECTION OF ENZYME ALLELES IN LABORATORY POPULATIONS OF DROSOPHILA. Genetics 1973, 75: 557-570. PMID: 4775750, PMCID: PMC1213028, DOI: 10.1093/genetics/75.3.557.Peer-Reviewed Original ResearchConceptsLaboratory populationsSignificant gene frequency changeGene frequency changesEsterase-5 locusAllele frequenciesEnzyme lociDrosophila willistoniNatural populationsWild populationsExperimental populationsEquilibrium frequencyThird locusApparent selectionEst-5Rare allelesEst-7LociEnzyme allelesAllelesMajor alleleWillistoniAllozymesDrosophilaChromosomesPopulation
1972
Enzyme variability in the Drosophila willistoni Group. V. Genic variation in natural populations of Drosophila equinoxialis*
Ayala F, Powell J, Tracey M. Enzyme variability in the Drosophila willistoni Group. V. Genic variation in natural populations of Drosophila equinoxialis*. Genetics Research 1972, 20: 19-42. PMID: 5084410, DOI: 10.1017/s0016672300013562.Peer-Reviewed Original ResearchConceptsGenetic variationD. equinoxialisNatural populationsAllelic variationDrosophila willistoni groupMdh-2 locusStarch gel electrophoresisGenic variationD. willistoniWillistoni groupNeotropical speciesNatural selectionGenetic variabilityEnzyme variabilityEst-3LociSpeciesGene frequenciesSame alleleCommon allelesAllelesAllelic frequenciesLocalitiesWillistoniGenesAllozymes 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
1971
Genetic Polymorphisms in Varied Environments
Powell J. Genetic Polymorphisms in Varied Environments. Science 1971, 174: 1035-1036. PMID: 5120090, DOI: 10.1126/science.174.4013.1035.Peer-Reviewed Original Research