Artículo
Structural Variants and Speciation: Multiple Processes at Play
Berdan, Emma L.; Aubier, Thomas G.; Cozzolino, Salvatore; Faria, Rui; Feder, Jeffrey L.; Giménez, Mabel Dionisia
; Joron, Mathieu; Searle, Jeremy Byron; Mérot, Claire
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Fecha de publicación:
12/2023
Editorial:
Cold Spring Harbor Laboratory Press
Revista:
Cold Spring Harbor Perspectives in Biology
e-ISSN:
1943-0264
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Research on the genomic architecture of speciation has increasingly revealed the importance of structural variants (SVs) that affect the presence, abundance, position, and/or direction of a nucleotide sequence. SVs include large chromosomal rearrangements such as fusion/fissions, inversions and translocations, as well as smaller variants such as duplications, insertions, and deletions (CNVs). Although we have ample evidence that SVs play a key role in speciation, the underlying mechanisms differ depending on the type and length of the SV, as well as the ecological, demographic and historical context. We review predictions and empirical evidence for classic processes such as underdominance due to meiotic aberrations and the coupling effect of recombination suppression before exploring how recent sequencing methodologies illuminate the prevalence and diversity of SVs. We discuss specific properties of SVs and their impact throughout the genome, highlighting that multiple processes are at play, and possibly interacting, in the relationship between SVs and speciation.
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Citación
Berdan, Emma L.; Aubier, Thomas G.; Cozzolino, Salvatore; Faria, Rui; Feder, Jeffrey L.; et al.; Structural Variants and Speciation: Multiple Processes at Play; Cold Spring Harbor Laboratory Press; Cold Spring Harbor Perspectives in Biology; 2023; 12-2023; 1-26
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