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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/178830
Genomic adaptations to aquatic and aerial life in mayflies and the origin of insect wings
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The evolution of winged insects revolutionized terrestrial ecosystems and led to the largest animal radiation on Earth. However, we still have an incomplete picture of the genomic changes that underlay this diversification. Mayflies, as one of the sister groups of all other winged insects, are key to understanding this radiation. Here, we describe the genome of the mayfly Cloeon dipterum and its gene expression throughout its aquatic and aerial life cycle and specific organs. We discover an expansion of odorant-binding-protein genes, some expressed specifically in breathing gills of aquatic nymphs, suggesting a novel sensory role for this organ. In contrast, flying adults use an enlarged opsin set in a sexually dimorphic manner, with some expressed only in males. Finally, we identify a set of wing-associated genes deeply conserved in the pterygote insects and find transcriptomic similarities between gills and wings, suggesting a common genetic program. Globally, this comprehensive genomic and transcriptomic study uncovers the genetic basis of key evolutionary adaptations in mayflies and winged insects.
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ALMUDÍ CABRERO, Isabel, VIZUETA MORAGA, Joel, WYATT, Christopher d. r., DE MENDOZA, Alex, MARLÉTAZ, Ferdinand, FIRBAS, Panos n., FEUDA, Roberto, MASIERO, Giulio, MEDINA, Patricia, ALCAINA CARO, Ana, CRUZ, Fernando, GÓMEZ GARRIDO, Jessica, GUT, Marta, ALIOTO, Tyler s., VARGAS CHAVEZ, Carlos, DAVIE, Kristofer, MISOF, Bernhard, GONZÁLEZ, Josefa, AERTS, Stein, LISTER, Ryan, PAPS, Jordi, ROZAS LIRAS, Julio a., SÁNCHEZ-GRACIA, Alejandro, IRIMIA MARTÍNEZ, Manuel, MAESO, Ignacio, CASARES, Fernando. Genomic adaptations to aquatic and aerial life in mayflies and the origin of insect wings. _Nature Communications_. 2020. Vol. 11, núm. 2631. [consulta: 26 de febrer de 2026]. ISSN: 2041-1723. [Disponible a: https://hdl.handle.net/2445/178830]