Evolutionary and functional impact of common polymorphic inversions in the human genome

Carla Giner-Delgado, Sergi Villatoro, Jon Lerga-Jaso, Magdalena Gayà-Vidal, Meritxell Oliva, David Castellano, Lorena Pantano, Bárbara D. Bitarello, David Izquierdo, Isaac Noguera, Iñigo Olalde, Alejandra Delprat, Antoine Blancher, Carles Lalueza-Fox, Tõnu Esko, Paul F. O’Reilly, Aida M. Andrés, Luca Ferretti, Marta Puig, Mario Cáceres

Research output: Contribution to journalArticleResearch

13 Citations (Scopus)

Abstract

© 2019, The Author(s). Inversions are one type of structural variants linked to phenotypic differences and adaptation in multiple organisms. However, there is still very little information about polymorphic inversions in the human genome due to the difficulty of their detection. Here, we develop a new high-throughput genotyping method based on probe hybridization and amplification, and we perform a complete study of 45 common human inversions of 0.1–415 kb. Most inversions promoted by homologous recombination occur recurrently in humans and great apes and they are not tagged by SNPs. Furthermore, there is an enrichment of inversions showing signatures of positive or balancing selection, diverse functional effects, such as gene disruption and gene-expression changes, or association with phenotypic traits. Therefore, our results indicate that the genome is more dynamic than previously thought and that human inversions have important functional and evolutionary consequences, making possible to determine for the first time their contribution to complex traits.
Original languageEnglish
Article number4222
JournalNature Communications
Volume10
DOIs
Publication statusPublished - 1 Dec 2019

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