Ecological and Lineage-Specific Factors Drive the Molecular Evolution of Rhodopsin in Cichlid Fishes

Torres-Dowdall, Julián; Henning, Frederico; Elmer, Kathryn R.; Meyer, Axel

Ecological and Lineage-Specific Factors Drive the Molecular Evolution of Rhodopsin in Cichlid Fishes

Dateien

Torres_0-302108.pdfGröße: 422.54 KBDownloads: 297

Datum

2015

Angaben zur Forschungsförderung

European Union (EU): 293700

Projekt

Comparative genomics of parallel in repeated adaptive radiations (GenAdap)

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Zukunftskolleg
Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Molecular Biology and Evolution. 2015, 32(11), pp. 2876-2882. ISSN 0737-4038. eISSN 1537-1719. Available under: doi: 10.1093/molbev/msv159

Zusammenfassung

The visual system in the colorful cichlid fishes from the African great lakes is believed to be important for their adaptive radiations. However, few studies have attempted to compare the visual system of radiating cichlid lineages with that of cichlids that have not undergone recent radiations. One such study published in this journal (Schott RK, Refvik SP, Hauser FE, López-Fernández H, Chang BSW. 2014. Divergent positive selection in rhodopsin from lake and riverine cichlid fishes. Mol Biol Evol. 31:1149–1165) found divergent selection on rhodopsin between African lacustrine and riverine cichlid species and riverine Neotropical cichlids, concluding that ecology drives the molecular evolution of this opsin. Here, we expand this analysis by incorporating rhodopsin sequences from Neotropical lacustrine cichlids and show that both ecology and phylogeny are important drivers of the molecular evolution of rhodopsin in cichlids. We found little overlap of sites under selection between African and Neotropical lineages and a faster rate of molecular evolution in African compared with Neotropical cichlids. These results support the notion that genetic or population genetic features particular to African cichlids contributed to their radiations.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

codon substitution models, dim-light vision, Neotropical cichlids, vision, visual pigments

Zitieren

ISO 690

TORRES-DOWDALL, Julián, Frederico HENNING, Kathryn R. ELMER, Axel MEYER, 2015. Ecological and Lineage-Specific Factors Drive the Molecular Evolution of Rhodopsin in Cichlid Fishes. In: Molecular Biology and Evolution. 2015, 32(11), pp. 2876-2882. ISSN 0737-4038. eISSN 1537-1719. Available under: doi: 10.1093/molbev/msv159

BibTex

@article{TorresDowdall2015-11Ecolo-31935,
  year={2015},
  doi={10.1093/molbev/msv159},
  title={Ecological and Lineage-Specific Factors Drive the Molecular Evolution of Rhodopsin in Cichlid Fishes},
  number={11},
  volume={32},
  issn={0737-4038},
  journal={Molecular Biology and Evolution},
  pages={2876--2882},
  author={Torres-Dowdall, Julián and Henning, Frederico and Elmer, Kathryn R. and Meyer, Axel}
}

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