2024
Sugar detection in 3D: Structure of an insect gustatory receptor
Talross G, Carlson J. Sugar detection in 3D: Structure of an insect gustatory receptor. Cell Reports 2024, 43: 114166. PMID: 38691457, DOI: 10.1016/j.celrep.2024.114166.Peer-Reviewed Original ResearchExitron splicing of odor receptor genes in Drosophila
Shang X, Talross G, Carlson J. Exitron splicing of odor receptor genes in Drosophila. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2320277121. PMID: 38507450, PMCID: PMC10990081, DOI: 10.1073/pnas.2320277121.Peer-Reviewed Original ResearchConceptsExitron splicingOdorant receptor genesCases of alternative splicingCanonical open reading framesExpression of odorant receptor genesFunction of olfactory systemReceptor geneProtein-coding exonsOpen reading frameAlternative splicing eventsOlfactory receptor neuronsAlternative polyadenylationReading frameExon-intronEncode proteinsSplicing eventsAlternative splicingNon-coding RNAsStable proteinsPheromone receptorsReceptor neuronsOptogenetic activationPheromone stimulationSplicingNeuronal activity
2023
Diverse mechanisms of taste coding in Drosophila
Dweck H, Carlson J. Diverse mechanisms of taste coding in Drosophila. Science Advances 2023, 9: eadj7032. PMID: 37976361, PMCID: PMC10656072, DOI: 10.1126/sciadv.adj7032.Peer-Reviewed Original ResearchThe rich non-coding RNA landscape of the Drosophila antenna
Talross G, Carlson J. The rich non-coding RNA landscape of the Drosophila antenna. Cell Reports 2023, 42: 112482. PMID: 37167060, PMCID: PMC10431215, DOI: 10.1016/j.celrep.2023.112482.Peer-Reviewed Original ResearchConceptsDrosophila antennaPheromone-sensing neuronsLong non-coding RNAsNon-coding RNAsDrosophila olfactory systemRole of lncRNAsMultiple complex behaviorsRNA landscapeOlfactory receptor neuronsNeuronal lncRNAsNeural developmentLncRNAsReceptor neuronsModel systemPheromonal responsesOlfactory systemCritical roleNeuron mapNervous systemRNACombination of lncRNAsSpeciationNeuronsRoleA volatile sex attractant of tsetse flies
Ebrahim S, Dweck H, Weiss B, Carlson J. A volatile sex attractant of tsetse flies. Science 2023, 379: eade1877. PMID: 36795837, PMCID: PMC10204727, DOI: 10.1126/science.ade1877.Peer-Reviewed Original Research
2022
Sugar sensation and mechanosensation in the egg-laying preference shift of Drosophila suzukii
Wang W, Dweck H, Talross G, Zaidi A, Gendron J, Carlson J. Sugar sensation and mechanosensation in the egg-laying preference shift of Drosophila suzukii. ELife 2022, 11: e81703. PMID: 36398882, PMCID: PMC9674340, DOI: 10.7554/elife.81703.Peer-Reviewed Original ResearchConceptsEgg-laying preferenceTaste organsAgricultural pestsDrosophila suzukiiChannel genesStiff substratesDrosophilaTaste sensillaReceptor geneMechanosensory cuesFruit sugarsGenesMechanosensationTaste sensationBitter taste sensationSpeciesEggsSweet taste sensationMajor subsetSuzukiiPestsSugarsElectrophysiological responsesWeak preferenceVariety of changesMeeting a threat of the Anthropocene: Taste avoidance of metal ions by Drosophila
Xiao S, Baik LS, Shang X, Carlson JR. Meeting a threat of the Anthropocene: Taste avoidance of metal ions by Drosophila. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2204238119. PMID: 35700364, PMCID: PMC9231609, DOI: 10.1073/pnas.2204238119.Peer-Reviewed Original ResearchConceptsGenerations of exposureDipteran speciesAnthropogenic stressorsGR familyEnvironmental changesToxic chemical compoundsBitter-sensing neuronsTaste organsTaste receptorsAvoidance of feedingSugar-sensing neuronsElevated concentrationsZinc ionsDrosophilaChemical compoundsInsectsHuman activitiesBehavioral responsesReceptorsOrganismsFliesSpeciesNeuronsRapid rateDifferent subsetsIr56b is an atypical ionotropic receptor that underlies appetitive salt response in Drosophila
Dweck HKM, Talross GJS, Luo Y, Ebrahim SAM, Carlson JR. Ir56b is an atypical ionotropic receptor that underlies appetitive salt response in Drosophila. Current Biology 2022, 32: 1776-1787.e4. PMID: 35294865, PMCID: PMC9050924, DOI: 10.1016/j.cub.2022.02.063.Peer-Reviewed Original ResearchConceptsSalt tasteBitter-sensing neuronsStop codonLoss of functionNumber of speciesIonotropic receptorsIonotropic receptor familyN-terminal regionReceptor familyNeuronsDrosophila speciesPremature stop codonTaste modalitiesAncient functionGR familySalt responseSense codonsMolecular basisAtypical memberSalt detectionModalitiesCodonSensory modalitiesDrosophilaBehavioral responses
2021
Sight of parasitoid wasps accelerates sexual behavior and upregulates a micropeptide gene in Drosophila
Ebrahim SAM, Talross GJS, Carlson JR. Sight of parasitoid wasps accelerates sexual behavior and upregulates a micropeptide gene in Drosophila. Nature Communications 2021, 12: 2453. PMID: 33907186, PMCID: PMC8079388, DOI: 10.1038/s41467-021-22712-0.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAnimalsAnimals, Genetically ModifiedBeta-Carotene 15,15'-MonooxygenaseCarnivoryDrosophilaDrosophila melanogasterDrosophila ProteinsDrosophila simulansFemaleFertilityGene Expression RegulationMaleNeuronsPattern Recognition, VisualReceptors, Ionotropic GlutamateReceptors, OdorantSexual Behavior, AnimalWaspsConceptsWasp speciesParasitoid waspsParasitoid wasp speciesInsect speciesAdult DrosophilaInsect worldMating behaviorMutational analysisGene expressionFemale fliesWaspsGenesDrosophilaSpeciesFliesDramatic upregulationDefensive responsesWidespread deathVisual circuitsInsectsMicropeptidesBehavioral responsesNervous systemHundreds of thousandsUnexpected responsesEvolutionary shifts in taste coding in the fruit pest Drosophila suzukii
Dweck HK, Talross GJ, Wang W, Carlson JR. Evolutionary shifts in taste coding in the fruit pest Drosophila suzukii. ELife 2021, 10: e64317. PMID: 33616529, PMCID: PMC7899650, DOI: 10.7554/elife.64317.Peer-Reviewed Original ResearchConceptsFruit pest Drosophila suzukiiRipe fruitPest Drosophila suzukiiEvolutionary shiftsBitter compoundsLays eggsAgricultural pestsDrosophila suzukiiBitter taste perceptionDrosophilaTaste sensillaSpeciesPhysiological responsesReduced expressionEggsTaste organsSensillaOverripe fruitsFruitTranscriptomeTaste codingSuzukiiMutantsLabellumPests
2020
The mosquito taste system and disease control
Baik LS, Carlson JR. The mosquito taste system and disease control. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 32848-32856. PMID: 33372129, PMCID: PMC7776869, DOI: 10.1073/pnas.2013076117.Peer-Reviewed Original ResearchConceptsVectors of diseaseNew mechanistic insightsMosquito olfactionGeographical rangeVector speciesMechanistic insightsSpeciesMosquito controlAfflict hundredsDiverse groupCurrent knowledgeWealth of opportunitiesMosquitoesClimate changeTaste systemInsectsEnormous rangeHabitatsUnderstanding of tasteOrganismsEggsNew strategyOlfactionTechnological advancesUnderstanding
2019
Molecular Logic and Evolution of Bitter Taste in Drosophila
Dweck HKM, Carlson JR. Molecular Logic and Evolution of Bitter Taste in Drosophila. Current Biology 2019, 30: 17-30.e3. PMID: 31839451, PMCID: PMC6946858, DOI: 10.1016/j.cub.2019.11.005.Peer-Reviewed Original ResearchRobust olfactory responses in the absence of odorant binding proteins
Xiao S, Sun JS, Carlson JR. Robust olfactory responses in the absence of odorant binding proteins. ELife 2019, 8: e51040. PMID: 31651397, PMCID: PMC6814364, DOI: 10.7554/elife.51040.Peer-Reviewed Original ResearchConceptsOdorant binding proteinsOlfactory responsesBinding proteinAntennae of insectsHydrophobic odorantsSensilla typesOlfactory physiologyOlfactory sensillaFunctional typesBasiconic sensillaOBPsAntennal basiconic sensillaOdor receptorsSensillaProteinDiverse chemicalsInsectsOdorantsMutantsBehavioral responsesGenesOvipositionPhysiologyHigh levelsResponseOdor coding in the antenna of the tsetse fly Glossina morsitans
Soni N, Chahda JS, Carlson JR. Odor coding in the antenna of the tsetse fly Glossina morsitans. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 14300-14308. PMID: 31221757, PMCID: PMC6628836, DOI: 10.1073/pnas.1907075116.Peer-Reviewed Original ResearchConceptsTsetse fly Glossina morsitansClasses of sensillaFruit flyPhysiological analysisAlarm pheromoneDifferent response dynamicsOlfactory sensillaFly antennaOlfactory cuesCellular basisWide diversityTsetse fliesSensillaFliesDifferent functionsDifferent odor stimuliGlossina morsitansPheromoneTsetseFunctional organizationHostDrosophilaMorphological typesOdorantsStriking differenceChemosensory sensilla of the Drosophila wing express a candidate ionotropic pheromone receptor
He Z, Luo Y, Shang X, Sun JS, Carlson JR. Chemosensory sensilla of the Drosophila wing express a candidate ionotropic pheromone receptor. PLOS Biology 2019, 17: e2006619. PMID: 31112532, PMCID: PMC6528970, DOI: 10.1371/journal.pbio.2006619.Peer-Reviewed Original ResearchConceptsMale-female interactionsDrosophila wingSubesophageal zoneWing marginChemosensory sensillaRNA-seq analysisDifferential RNA-seq analysisAnterior wing marginMale-male interactionsPheromone receptorsTaste organsOptogenetic activationMolecular descriptionGenesIonotropic receptorsChemical perceptionSensillaSecond-order projectionsSexual behaviorFliesPheromoneMale sexual behaviorPheromonal inputHydrophobic moleculesActivationThe molecular and cellular basis of olfactory response to tsetse fly attractants
Chahda JS, Soni N, Sun JS, Ebrahim SAM, Weiss BL, Carlson JR. The molecular and cellular basis of olfactory response to tsetse fly attractants. PLOS Genetics 2019, 15: e1008005. PMID: 30875383, PMCID: PMC6420007, DOI: 10.1371/journal.pgen.1008005.Peer-Reviewed Original ResearchConceptsOlfactory receptor neuronsSensory pitsCellular basisHeterologous expression systemTsetse fly Glossina morsitansTerrestrial habitatsExpression systemGene expressionEmpty neuronAnimal matterOlfactory responsesSpecialized subtypesMajor vectorStrong attractantReceptor gene expressionG. fuscipesDrosophilaMalarial parasitesReceptor neuronsFliesAttractantsDevastating diseaseOlfactory systemBlood of humansGlossina morsitans
2017
A receptor and neuron that activate a circuit limiting sucrose consumption
Joseph RM, Sun JS, Tam E, Carlson JR. A receptor and neuron that activate a circuit limiting sucrose consumption. ELife 2017, 6: e24992. PMID: 28332980, PMCID: PMC5388533, DOI: 10.7554/elife.24992.Peer-Reviewed Original Research
2016
Bitter taste receptors confer diverse functions to neurons
Delventhal R, Carlson JR. Bitter taste receptors confer diverse functions to neurons. ELife 2016, 5: e11181. PMID: 26880560, PMCID: PMC4764594, DOI: 10.7554/elife.11181.Peer-Reviewed Original Research
2015
Malaria Parasites Produce Volatile Mosquito Attractants
Kelly M, Su CY, Schaber C, Crowley JR, Hsu FF, Carlson JR, Odom AR. Malaria Parasites Produce Volatile Mosquito Attractants. MBio 2015, 6: 10.1128/mbio.00235-15. PMID: 25805727, PMCID: PMC4453533, DOI: 10.1128/mbio.00235-15.Peer-Reviewed Original ResearchConceptsMalaria parasitesMalaria mosquito vector Anopheles gambiaeNonphotosynthetic plastid organelleMosquito vector Anopheles gambiaeMalaria parasite Plasmodium falciparumIsoprenoid biosynthesis pathwayParasite Plasmodium falciparumTransmission-blocking strategiesPlastid organelleBiosynthesis pathwayVolatile signalsOdorant receptorsCultured malaria parasitesVolatile chemical profilesMammalian hostsMosquito attractantsAnopheles gambiaeChemical signalsHost attractionMolecular identityMetabolic pathwaysVolatile odorantsParasitesGlobal health concernPlasmodium falciparum
2014
The Drosophila IR20a Clade of Ionotropic Receptors Are Candidate Taste and Pheromone Receptors
Koh TW, He Z, Gorur-Shandilya S, Menuz K, Larter NK, Stewart S, Carlson JR. The Drosophila IR20a Clade of Ionotropic Receptors Are Candidate Taste and Pheromone Receptors. Neuron 2014, 83: 850-865. PMID: 25123314, PMCID: PMC4141888, DOI: 10.1016/j.neuron.2014.07.012.Peer-Reviewed Original ResearchConceptsPheromone receptorsIonotropic receptorsGustatory receptor genesMale mating behaviorAdaptive evolutionTaste neuronsMale forelegsDimorphic expressionConspecific femalesCladeMating behaviorReceptor geneGenesTaste organsFliesNeural circuitsTaste receptorsNeuronsReceptorsSexual behaviorExpressionDrosophilaInsectsComprehensive analysisCourtship