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Convergent sequence evolution between echolocating bats and dolphins.(Report)

Liu, Yang ; Cotton, James A. ; Shen, Bin ; Han, Xiuqun ; Rossiter, Stephen J. ; Zhang, Shuyi

Current Biology, Jan 26, 2010, Vol.20(2), p.R53-R54 [Tạp chí có phản biện]

ISSN: 0960-9822

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  • Nhan đề:
    Convergent sequence evolution between echolocating bats and dolphins.(Report)
  • Tác giả: Liu, Yang ; Cotton, James A. ; Shen, Bin ; Han, Xiuqun ; Rossiter, Stephen J. ; Zhang, Shuyi
  • Chủ đề: Marine Mammals ; Dolphins (Mammals) ; Bats (Animals) ; Convergent Evolution
  • Là 1 phần của: Current Biology, Jan 26, 2010, Vol.20(2), p.R53-R54
  • Mô tả: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.cub.2009.11.058 Byline: Yang Liu (1), James A. Cotton (2), Bin Shen (1), Xiuqun Han (1), Stephen J. Rossiter (2), Shuyi Zhang (1) 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 . 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 . We previously reported that the Prestin gene has undergone sequence convergence among unrelated lineages of echolocating bat . 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. Author Affiliation: (1) School of Life Sciences, East China Normal University, Shanghai 200062, China (2) School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0960-9822

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