Pokrovac, Ivan; Pezer, Željka (2022) Recent advances and current challenges in population genomics of structural variation in animals and plants. Frontiers in Genetics, 13 . ISSN 1664-8021
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Abstract
The field of population genomics has seen a surge of studies on genomic structural variation over the past two decades. These studies witnessed that structural variation is taxonomically ubiquitous and represent a dominant form of genetic variation within species. Recent advances in technology, especially the development of long-read sequencing platforms, have enabled the discovery of structural variants (SVs) in previously inaccessible genomic regions which unlocked additional structural variation for population studies and revealed that more SVs contribute to evolution than previously perceived. An increasing number of studies suggest that SVs of all types and sizes may have a large effect on phenotype and consequently major impact on rapid adaptation, population divergence, and speciation. However, the functional effect of the vast majority of SVs is unknown and the field generally lacks evidence on the phenotypic consequences of most SVs that are suggested to have adaptive potential. Non-human genomes are heavily under-represented in population-scale studies of SVs. We argue that more research on other species is needed to objectively estimate the contribution of SVs to evolution. We discuss technical challenges associated with SV detection and outline the most recent advances towards more representative reference genomes, which opens a new era in population-scale studies of structural variation.
| Item Type: | Article | ||||||||
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| Uncontrolled Keywords: | adaptation ; copy number variation ; evolution ; genomic structural variation ; population genomics ; speciation ; structural variants | ||||||||
| Subjects: | NATURAL SCIENCES > Biology | ||||||||
| Divisions: | Division of Molecular Biology | ||||||||
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| Depositing User: | Lorena Palameta | ||||||||
| Date Deposited: | 14 Jul 2026 09:46 | ||||||||
| URI: | https://fulir.irb.hr:/id/eprint/12057 | ||||||||
| DOI: | 10.3389/fgene.2022.1060898 |
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