Liu, Y., Cotton, J. A. , Shen, B., Han, X., Rossiter, S. J. and Zhang, S. (2010) Convergent sequence evolution between echolocating bats and dolphins. Current Biology, 20(2), R53-R54. (doi: 10.1016/j.cub.2009.11.058) (PMID:20129036)
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Abstract
Cases of convergent evolution — where different lineages have evolved similar traits independently — are common and have proven central to our understanding of selection. Yet convincing examples of adaptive convergence at the sequence level are exceptionally rare [1]. The motor protein Prestin is expressed in mammalian outer hair cells (OHCs) and is thought to confer high frequency sensitivity and selectivity in the mammalian auditory system [2]. We previously reported that the Prestin gene has undergone sequence convergence among unrelated lineages of echolocating bat [3]. Here we report that this gene has also undergone convergent amino acid substitutions in echolocating dolphins, which group with echolocating bats in a phylogenetic tree of Prestin. Furthermore, we find evidence that these changes were driven by natural selection.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Cotton, Professor James |
| Authors: | Liu, Y., Cotton, J. A., Shen, B., Han, X., Rossiter, S. J., and Zhang, S. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine |
| Journal Name: | Current Biology |
| Publisher: | Elsevier (Cell Press) |
| ISSN: | 0960-9822 |
| ISSN (Online): | 1879-0445 |
| Published Online: | 25 January 2010 |
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