2019
Genomics Analysis of L-DOPA Exposure in Drosophila sechellia
Lanno S, Lam I, Drum Z, Linde S, Gregory S, Shimshak S, Becker M, Brew K, Budhiraja A, Carter E, Chigweshe L, Collins K, Earley T, Einstein H, Fan A, Goss S, Hagen E, Hutcheon S, Kim T, Mitchell M, Neri N, Patterson S, Ransom G, Sanchez G, Wiener B, Zhao D, Coolon J. Genomics Analysis of L-DOPA Exposure in Drosophila sechellia. G3: Genes, Genomes, Genetics 2019, 9: 3973-3980. PMID: 31575638, PMCID: PMC6893205, DOI: 10.1534/g3.119.400552.Peer-Reviewed Original ResearchConceptsToxin-resistant phenotypeHost specializationResistance phenotypeGene expression responsesDrosophila sechelliaSpecies pairsGenomic analysisGenomic studiesFunctional geneticsReproductive successEcological adaptationGenomic techniquesToxic fruitsGenetic basisExpression responsesKnock-downHeterologous speciesToxin resistanceGenesFruit flyL-DOPA exposureGenomeSpeciesSupplementation of dietsPhenotypeDerived esterase activity in Drosophila sechellia contributes to evolved octanoic acid resistance
Lanno S, Coolon J. Derived esterase activity in Drosophila sechellia contributes to evolved octanoic acid resistance. Insect Molecular Biology 2019, 28: 798-806. PMID: 30977928, DOI: 10.1111/imb.12587.Peer-Reviewed Original ResearchConceptsDetoxification gene familiesD. sechelliaGene familyOA resistanceGenomic regionsToxin resistanceMajor-effect lociMedium-chain fatty acids octanoic acidSynergists diethyl maleateDrosophila sechelliaChromosome 3RDefence compoundsEffect lociSechelliaOctanoic acidHost plantsGenetic basisCytochrome P450 enzymatic activityEnzymatic activityMorinda citrifoliaHexanoic acidAcid resistanceGlutathione-S-transferaseEsterase activityToxin
2017
Transcriptomic Analysis of Octanoic Acid Response in Drosophila sechellia Using RNA-Sequencing
Lanno S, Gregory S, Shimshak S, Alverson M, Chiu K, Feil A, Findley M, Forman T, Gordon J, Ho J, Krupp J, Lam I, Lane J, Linde S, Morse A, Rusk S, Ryan R, Saniee A, Sheth R, Siranosian J, Sirichantaropart L, Sternlieb S, Zaccardi C, Coolon J. Transcriptomic Analysis of Octanoic Acid Response in Drosophila sechellia Using RNA-Sequencing. G3: Genes, Genomes, Genetics 2017, 7: 3867-3873. PMID: 29021218, PMCID: PMC5714484, DOI: 10.1534/g3.117.300297.Peer-Reviewed Original ResearchConceptsQuantitative trait lociOA resistanceGene expression analysisGene OntologyResistance genesRNA sequencingRNA interferenceExpression analysisConsistent with previous functional studiesFunctional studiesGene family membersAnnotated orthologsDrosophila sechelliaEffect lociRNA-seqLevels of octanoic acidTrait lociCuticle developmentDefense responsesExpressed genesToxic fruitsTranscriptome analysisDownregulated genesUpregulated genesGenesAnalysis of cytochrome P450 contribution to evolved plant toxin resistance in Drosophila sechellia
Peyser R, Lanno S, Shimshak S, Coolon J. Analysis of cytochrome P450 contribution to evolved plant toxin resistance in Drosophila sechellia. Insect Molecular Biology 2017, 26: 715-720. PMID: 28703934, DOI: 10.1111/imb.12329.Peer-Reviewed Original ResearchConceptsD. sechelliaDrosophila sechelliaToxin resistanceCytochrome P450 enzymatic activityEnzymatic activityCytochrome P450 gene familyP450 gene familyM. citrifolia fruitDrosophila simulansGenetic mapDrosophila melanogasterDefence compoundsGene familyBasal resistanceHost plantsGenetic basisSpecies of fruit fliesFruit flyFunctional studiesSechelliaGenesLociCytochromePrimary toxinToxinGenetic basis of octanoic acid resistance in Drosophila sechellia: functional analysis of a fine‐mapped region
López J, Lanno S, Auerbach J, Moskowitz E, Sligar L, Wittkopp P, Coolon J. Genetic basis of octanoic acid resistance in Drosophila sechellia: functional analysis of a fine‐mapped region. Molecular Ecology 2017, 26: 1148-1160. PMID: 28035709, PMCID: PMC5330365, DOI: 10.1111/mec.14001.Peer-Reviewed Original ResearchConceptsD. sechelliaOA resistanceDrosophila sechelliaRNA interferenceGenetic basisEvolutionary changesTissue-specific RNA interferenceFine-mapped regionKnock down expressionGene expression analysisD. simulansSister speciesChromosome 3RGenomic regionsD. melanogasterDefence compoundsLevel of expressionToxic fruitsFat bodySpecies of fruit fliesEnvironmental plasticityGenesSeychelles IslandsFruit flyFunctional analysis