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Genomic evidence reveals three W-autosome fusions in Heliconius butterflies

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dc.creatorRueda, Nicol M.spa
dc.creatorPardo Díaz, Geimy Carolinaspa
dc.creatorMontejo-Kovacevich, Gabrielaspa
dc.creatorMcMillan, W. Owenspa
dc.creatorKozak, Krzysztof M.spa
dc.creatorArias, Carlos F.spa
dc.creatorReady, Jonathanspa
dc.creatorMcCarthy, Shanespa
dc.creatorDurbin, Richardspa
dc.creatorJiggins, Chris D.spa
dc.creatorMeier, Joana I.spa
dc.creatorSalazar, Camilospa
dc.date.accessioned2025-01-26T18:30:13Z
dc.date.available2025-01-26T18:30:13Z
dc.date.created2024-07-18spa
dc.date.issued2024-07-18spa
dc.descriptionSex chromosomes are evolutionarily labile in many animals and sometimes fuse with autosomes, creating so-called neo-sex chromosomes. Fusions between sex chromosomes and autosomes have been proposed to reduce sexual conflict and to promote adaptation and reproductive isolation among species. Recently, advances in genomics have fuelled the discovery of such fusions across the tree of life. Here, we discovered multiple fusions leading to neo-sex chromosomes in the sapho subclade of the classical adaptive radiation of Heliconius butterflies. Heliconius butterflies generally have 21 chromosomes with very high synteny. However, the five Heliconius species in the sapho subclade show large variation in chromosome number ranging from 21 to 60. We find that the W chromosome is fused with chromosome 4 in all of them. Two sister species pairs show subsequent fusions between the W and chromosomes 9 or 14, respectively. These fusions between autosomes and sex chromosomes make Heliconius butterflies an ideal system for studying the role of neo-sex chromosomes in adaptive radiations and the degeneration of sex chromosomes over time. Our findings emphasize the capability of short-read resequencing to detect genomic signatures of fusion events between sex chromosomes and autosomes even when sex chromosomes are not explicitly assembled.spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.doihttps://doi.org/10.1371/journal.pgen.1011318spa
dc.identifier.urihttps://repository.urosario.edu.co/handle/10336/44809
dc.language.isoengspa
dc.publisherPLoS Geneticsspa
dc.relation.ispartofPLoS Geneticsspa
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalspa
dc.rights.accesRightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accesoAbierto (Texto Completo)spa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/spa
dc.sourcePLoS Geneticsspa
dc.source.instnameinstname:Universidad del Rosariospa
dc.source.reponamereponame:Repositorio Institucional EdocURspa
dc.subjectEcologyspa
dc.subjectEvolutionspa
dc.subjectBehavior and Systematicsspa
dc.subjectMolecular Biologyspa
dc.subjectGeneticsspa
dc.subjectGenetics(clinical)spa
dc.subjectCancer Researchspa
dc.titleGenomic evidence reveals three W-autosome fusions in Heliconius butterfliesspa
dc.typearticlespa
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersionspa
dc.type.spaArtículospa
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