The diversity of eukaryotes and the root of the eukaryotic tree.

Abstract excerpt

More than 15 years ago, on the basis of phylogenetic analyses of a handful of anciently duplicated genes and of rRNA, Carl Woese proposed both a eubacterial rooting of the Tree of Life and a stepwise evolution of the eukaryotic cell. An important part of Woese's paradigm was the assumption that the so-called Archezoa were considered to be genuinely primitive because they were lacking mitochondria and several...

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