Evaluating hypotheses for the origin of eukaryotes.

  title={Evaluating hypotheses for the origin of eukaryotes.},
  author={A. Poole and D. Penny},
  journal={BioEssays : news and reviews in molecular, cellular and developmental biology},
  volume={29 1},
  • A. Poole, D. Penny
  • Published 2007
  • Biology, Medicine
  • BioEssays : news and reviews in molecular, cellular and developmental biology
  • Numerous scenarios explain the origin of the eukaryote cell by fusion or endosymbiosis between an archaeon and a bacterium (and sometimes a third partner). We evaluate these hypotheses using the following three criteria. Can the data be explained by the null hypothesis that new features arise sequentially along a stem lineage? Second, hypotheses involving an archaeon and a bacterium should undergo standard phylogenetic tests of gene distribution. Third, accounting for past events by processes… CONTINUE READING

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