Last modified on 28 September 2009.

Literature Reference:

Reconstructing the Tree of Life with Ribosomal RNA Sequences and Structures: Integrating Phylogeny, Computational Methods, and a RNA Database.
Proposal submitted to NSF, 17 May 2002.

Three Phylogenetic Domains Phylogenetic Tree Citation: Zwickl, Cannone, Gutell, and Hillis, unpublished data.

This figure contains approximately 3,000 SSU rRNA sequences from the three primary lines of descent (Archaea, Bacteria, and Eucarya), although the sequence set is biased toward for Eucaryotic nuclear-encoded sequences.