Selection on visual opsin genes in diurnal Neotropical frogs and loss of the SWS2 opsin in poison frogs
Y. C. Wan, M. J. Navarrete, L. A. O'Connell, L. H. Uricchio, A. B. Roland, M. E. Maan, S. R. Ron, M. Betancourth-Cundar, M. R. Pie, K. A. Howell, C. L. Richards-Zawacki, M. E. Cummings, D. C. Cannatella, J. C. Santos, R. D. Tarvin
The paper identifies positive selection on opsin genes in diurnal Neotropical frogs and reports the loss of SWS2 opsin in poison frogs, suggesting implications for their visual adaptation and chemical ecology.
bioRxiv · Oct 18, 2022 · PreprintEvolutionary Biology