An archaeal origin of eukaryotes supports only two primary domains of life

@article{Williams2013AnAO,
  title={An archaeal origin of eukaryotes supports only two primary domains of life},
  author={Tom A. Williams and Peter G. Foster and Cymon J. Cox and T Martin Embley},
  journal={Nature},
  year={2013},
  volume={504},
  pages={231-236}
}
The discovery of the Archaea and the proposal of the three-domains ‘universal’ tree, based on ribosomal RNA and core genes mainly involved in protein translation, catalysed new ideas for cellular evolution and eukaryotic origins. However, accumulating evidence suggests that the three-domains tree may be incorrect: evolutionary trees made using newer methods place eukaryotic core genes within the Archaea, supporting hypotheses in which an archaeon participated in eukaryotic origins by founding… 
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