Diverse pathways to speciation revealed by marine snails.
Trends Genet
; 40(4): 337-351, 2024 Apr.
Article
en En
| MEDLINE
| ID: mdl-38395682
ABSTRACT
Speciation is a key evolutionary process that is not yet fully understood. Combining population genomic and ecological data from multiple diverging pairs of marine snails (Littorina) supports the search for speciation mechanisms. Placing pairs on a one-dimensional speciation continuum, from undifferentiated populations to species, obscured the complexity of speciation. Adding multiple axes helped to describe either speciation routes or reproductive isolation in the snails. Divergent ecological selection repeatedly generated barriers between ecotypes, but appeared less important in completing speciation while genetic incompatibilities played a key role. Chromosomal inversions contributed to genomic barriers, but with variable impact. A multidimensional (hypercube) approach supported framing of questions and identification of knowledge gaps and can be useful to understand speciation in many other systems.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Selección Genética
/
Evolución Biológica
Límite:
Animals
Idioma:
En
Revista:
Trends Genet
Asunto de la revista:
GENETICA
Año:
2024
Tipo del documento:
Article