Recurring adaptive introgression of a supergene variant that determines social organization =...
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- Título: Recurring adaptive introgression of a supergene variant that determines social organization = Introgresión adaptativa recurrente de una variante de un supergen que determina la organización social
- Autor: Stolle, Eckart; Pracana, Rodrigo; López Osorio, Federico; Priebe, Marian K.; Hernández Gómez, Gabriel Luis; Castillo Carrillo, Claudia; Arias, María Cristina; París, Carolina Ivón; Bollazzi, Martin; Priyam, Anurag; Wurm, Yannick
- Publicación original: Nature Communications, 2022
- Descripción física: PDF
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Nota general:
- Colombia
- Notas de reproducción original: Digitalización realizada por la Biblioteca Virtual del Banco de la República (Colombia)
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Notas:
- Resumen: Abstract: Introgression has been proposed as an essential source of adaptive genetic variation. However, a key barrier to adaptive introgression is that recombination can break down combinations of alleles that underpin many traits. This barrier might be overcome in supergene regions, where suppressed recombination leads to joint inheritance across many loci. Here, we study the evolution of a large supergene region that determines a major social and ecological trait in Solenopsis fire ants: whether colonies have one queen or multiple queens. Using coalescent-based phylogenies built from the genomes of 365 haploid fire ant males, we show that the supergene variant responsible for multiple-queen colonies evolved in one species and repeatedly spread to other species through introgressive hybridization. This finding highlights how supergene architecture can enable a complex adaptive phenotype to recurrently permeate species boundaries.
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- Forma/género: texto
- Idioma: castellano
- Institución origen: Biblioteca Virtual del Banco de la República
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