Multiple Ecological Axes Drive Molecular Evolution of Cone Opsins in Beloniform Fishes.
Codon-based likelihood models
Colour vision
Ecological transitions
Molecular evolution
Opsins
Journal
Journal of molecular evolution
ISSN: 1432-1432
Titre abrégé: J Mol Evol
Pays: Germany
ID NLM: 0360051
Informations de publication
Date de publication:
28 Feb 2024
28 Feb 2024
Historique:
received:
10
06
2023
accepted:
12
01
2024
medline:
28
2
2024
pubmed:
28
2
2024
entrez:
28
2
2024
Statut:
aheadofprint
Résumé
Ecological and evolutionary transitions offer an excellent opportunity to examine the molecular basis of adaptation. Fishes of the order Beloniformes include needlefishes, flyingfishes, halfbeaks, and allies, and comprise over 200 species occupying a wide array of habitats-from the marine epipelagic zone to tropical rainforest rivers. These fishes also exhibit a diversity of diets, including piscivory, herbivory, and zooplanktivory. We investigated how diet and habitat affected the molecular evolution of cone opsins, which play a key role in bright light and colour vision and are tightly linked to ecology and life history. We analyzed a targeted-capture dataset to reconstruct the evolutionary history of beloniforms and assemble cone opsin sequences. We implemented codon-based clade models of evolution to examine how molecular evolution was affected by habitat and diet. We found high levels of positive selection in medium- and long-wavelength beloniform opsins, with piscivores showing increased positive selection in medium-wavelength opsins and zooplanktivores showing increased positive selection in long-wavelength opsins. In contrast, short-wavelength opsins showed purifying selection. While marine/freshwater habitat transitions have an effect on opsin molecular evolution, we found that diet plays a more important role. Our study suggests that evolutionary transitions along ecological axes produce complex adaptive interactions that affect patterns of selection on genes that underlie vision.
Identifiants
pubmed: 38416218
doi: 10.1007/s00239-024-10156-1
pii: 10.1007/s00239-024-10156-1
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : National Science Foundation
ID : DEB-1407092
Informations de copyright
© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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