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Phylogenomic Analyses Elucidate the Evolutionary Relationships of Bats

Tsagkogeorga, Georgia ; Parker, Joe ; Stupka, Elia ; Cotton, James a. ; Rossiter, Stephen j.

Current Biology, 18 November 2013, Vol.23(22), pp.2262-2267 [Tạp chí có phản biện]

ISSN: 0960-9822 ; DOI: 10.1016/j.cub.2013.09.014

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  • Nhan đề:
    Phylogenomic Analyses Elucidate the Evolutionary Relationships of Bats
  • Tác giả: Tsagkogeorga, Georgia ; Parker, Joe ; Stupka, Elia ; Cotton, James a. ; Rossiter, Stephen j.
  • Chủ đề: Echolocation (Physiology) – Analysis ; Bats (Animals) – Analysis ; Phylogeny – Analysis ; Whales – Analysis ; Genomics – Analysis
  • Là 1 phần của: Current Biology, 18 November 2013, Vol.23(22), pp.2262-2267
  • Mô tả: Molecular phylogenetics has rapidly established the evolutionary positions of most major mammal groups [1, 2], yet analyses have repeatedly failed to agree on that of bats (order Chiroptera) [3–6]. Moreover, the relationship among the major bat lineages has proven equally contentious, with ongoing disagreements about whether echolocating bats are paraphyletic [7–9] or a true group [10] having profound implications for whether echolocation evolved once or possibly multiple times. By generating new bat genome data and applying model-based phylogenomic analyses designed to accommodate heterogeneous evolutionary processes [4, 11], we show that—contrary to recent suggestions—bats are not closely related to odd-toed ungulates but instead have a more ancient origin as sister group to a large clade of carnivores, ungulates, and cetaceans. Additionally, we provide the first genome-scale support showing that laryngeal echolocating bats are not a true group and that this paraphyly is robust to their position within mammals. We suggest that earlier disagreements in the literature may reflect model misspecification, long-branch artifacts, poor taxonomic coverage, and differences in the phylogenetic markers used. These findings are a timely reminder of the relevance of experimental design and careful statistical analysis as we move into the phylogenomic era. •Bats are a sister group of a clade of carnivores, ungulates, and cetaceans•Genome-scale analyses show that echolocating bats are not a true group•Previous conflicting results likely stem from a mixed signal among loci
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0960-9822 ; DOI: 10.1016/j.cub.2013.09.014

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