ArticleProceedings of the National Academy of Sciences of the United States of America2015
Evolution of herbivory in Drosophilidae linked to loss of behaviors, antennal responses, odorant receptors, and ancestral diet.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.
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79 citing papers in PubMed, 165 citations in OpenAlex.
- Article
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- Identification of candidate chemosensory receptors based on transcriptome analysis in the monophagous insect Protegira songi (Lepidoptera, Noctuidae).BMC genomics · 2026Article
- Genomic plasticity drives olfactory adaptation in a pest fly.bioRxiv : the preprint server for biology · 2025Article
- Odorant Receptors Mediating Avoidance of Toxic Mustard Oils in Drosophila melanogaster Are Expanded in Herbivorous Relatives.Molecular biology and evolution · 2025Article
- Shifts in bee diet breadths are associated with gene gains and losses and positive selection across olfactory receptors.G3 (Bethesda, Md.) · 2025Article
- From Macro to Micro: De Novo Genomes of Aedes Mosquitoes Enable Comparative Genomics Among Close and Distant Relatives.Genome biology and evolution · 2025Article
- The shape of discovery: a journey through genetics, coevolution, and a scientific life.Genetics · 2025Article
- Olfactory responses of the variegated fruit fly, Phortica variegata, an emerging vector of the zoonotic eyeworm Thelazia callipaeda, to ecologically relevant volatiles.Parasites & vectors · 2025Article
- Alternative Splicing in TRPA1 Drives Sensory Adaptation to Electrophiles in Drosophilids.bioRxiv : the preprint server for biology · 2025Article
- Microbiome-emitted scents activate olfactory neuron-independent airway-gut-brain axis to promote host growth in Drosophila.Nature communications · 2025Article
- Functional characterization and evolution of olfactory responses in coeloconic sensilla of the global fruit pest Drosophila suzukii.BMC biology · 2025Article
- Role of Gut Bacteria in Enhancing Host Adaptation ofInsects · 2024Article
- Evolution of odorant receptor repertoires across Hymenoptera is not linked to the evolution of eusociality.Proceedings. Biological sciences · 2024Article
- Gene Protein Sequence Evolution Can Predict the Rapid Divergence of Ovariole Numbers in the Drosophila melanogaster Subgroup.Genome biology and evolution · 2024Article
- Genome-Wide Gene Birth-Death Dynamics Are Associated with Diet Breadth Variation in Lepidoptera.Genome biology and evolution · 2024Article
- The nuclear and mitochondrial genome assemblies of Tetragonisca angustula (Apidae: Meliponini), a tiny yet remarkable pollinator in the Neotropics.BMC genomics · 2024Article
- The desert woodrat (Neotoma lepida) induces a diversity of biotransformation genes in response to creosote bush resin.Comparative biochemistry and physiology. Toxicology & pharmacology : CBP · 2024Article
- Insights into the evolution of herbivory from a leaf-mining fly.Ecosphere (Washington, D.C) · 2024Article
19 more citing papers are in PubMed but not listed here.
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6 authors at 4 institutions in 2 countries.
Funding
Abstract
Herbivory is a key innovation in insects, yet has only evolved in one-third of living orders. The evolution of herbivory likely involves major behavioral changes mediated by remodeling of canonical chemosensory modules. Herbivorous flies in the genus Scaptomyza (Drosophilidae) are compelling species in which to study the genomic architecture linked to the transition to herbivory because they recently evolved from microbe-feeding ancestors and are closely related to Drosophila melanogaster. We found that Scaptomyza flava, a leaf-mining specialist on plants in the family (Brassicaceae), was not attracted to yeast volatiles in a four-field olfactometer assay, whereas D. melanogaster was strongly attracted to these volatiles. Yeast-associated volatiles, especially short-chain aliphatic esters, elicited strong antennal responses in D. melanogaster, but weak antennal responses in electroantennographic recordings from S. flava. We sequenced the genome of S. flava and characterized this species' odorant receptor repertoire. Orthologs of odorant receptors, which detect yeast volatiles in D. melanogaster and mediate critical host-choice behavior, were deleted or pseudogenized in the genome of S. flava. These genes were lost step-wise during the evolution of Scaptomyza. Additionally, Scaptomyza has experienced gene duplication and likely positive selection in paralogs of Or67b in D. melanogaster. Olfactory sensory neurons expressing Or67b are sensitive to green-leaf volatiles. Major trophic shifts in insects are associated with chemoreceptor gene loss as recently evolved ecologies shape sensory repertoires.
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