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 ResearchConceptsAnopheles gambiae complexSecond chromosomeChromosomal inversionsGambiae complexSecond chromosome inversionsExcess of heterozygotesSelective introgressionIntrogressive hybridizationSpeciation processChromosome inversionsHybrid populationsX chromosomeA. gambiaeParacentric inversionA. arabiensisChromosomesImportant vectorMajor vectorBehavioral flexibilitySpeciesWorld-wide casesIntrogressionGambiaeComplexes
1992
Complementary DNA-DNA hybridization in Drosophila
Caccone A, Gleason J, Powell J. Complementary DNA-DNA hybridization in Drosophila. Journal Of Molecular Evolution 1992, 34: 130-140. PMID: 1372940, DOI: 10.1007/bf00182390.Peer-Reviewed Original ResearchConceptsDNA-DNA hybridization experimentsSpecies of DrosophilaMost major lineagesDNA-DNA hybridizationSubgenus DrosophilaMelanogaster subgroupSubgenus SophophoraHawaiian DrosophilaObscura groupMonophyletic lineageExtant islandsWillistoni groupMajor lineagesAdult mRNADrosophilaPhylogenetic conclusionsHybridization experimentsLineagesComplementary DNAAmino acidsSophophoraMost groupsPhylogenyGenomeSubgenera
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
1977
MICROGEOGRAPHIC DIFFERENTIATION OF CHROMOSOMAL AND ENZYME POLYMORPHISMS IN DROSOPHILA PERSIMILIS
Taylor C, Powell J. MICROGEOGRAPHIC DIFFERENTIATION OF CHROMOSOMAL AND ENZYME POLYMORPHISMS IN DROSOPHILA PERSIMILIS. Genetics 1977, 85: 681-695. PMID: 863240, PMCID: PMC1213650, DOI: 10.1093/genetics/85.4.681.Peer-Reviewed Original ResearchConceptsDrosophila persimilisEnzyme polymorphismsTemporal genetic differentiationRandom genetic driftGenetic differentiationNatural populationsGenetic driftChromosome inversionsHabitat preferencesAllozyme frequenciesMicrogeographic differentiationDispersal behaviourSelection coefficientsModel of selectionInversion frequenciesPersimilisDifferentiationHeterogeneous environmentsBehavioral differencesPolymorphismSpeciesGenotypesShort distances
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
1974
Temperature related genetic divergence in Drosophila body size
Powell J. Temperature related genetic divergence in Drosophila body size. Journal Of Heredity 1974, 65: 257-258. PMID: 4416060, DOI: 10.1093/oxfordjournals.jhered.a108523.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
1970
Inhibition of Male Accessory Glands of Aedes aegypti by Larval Treatment with Apholate12
Powell J, Graig G. Inhibition of Male Accessory Glands of Aedes aegypti by Larval Treatment with Apholate12. Journal Of Economic Entomology 1970, 63: 745-748. PMID: 5431672, DOI: 10.1093/jee/63.3.745.Peer-Reviewed Original Research