Rooting the Eukaryote Tree by Using a Derived Gene Fusion

  title={Rooting the Eukaryote Tree by Using a Derived Gene Fusion},
  author={A. Stechmann and T. Cavalier-smith},
  pages={89 - 91}
  • A. Stechmann, T. Cavalier-smith
  • Published 2002
  • Biology, Medicine
  • Science
  • Single-gene trees have failed to locate the root of the eukaryote tree because of systematic biases in sequence evolution. Structural genetic data should yield more reliable insights into deep phylogenetic relationships. We searched major protist groups for the presence or absence of a gene fusion in order to locate the root of the eukaryote tree. In striking contrast to previous molecular studies, we show that all eukaryote groups ancestrally with two cilia (bikonts) are evolutionarily derived… CONTINUE READING
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