TREE: Difference between revisions

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Phylogenetic tree of selected model organisms from BLASTP results.  All proteins putative GTPases of the YlqF/YawG family.  Three groupings are observed, a bacterial group, a eukaryotic group and an archaea-eukaryote group.  The lack of a bacterial-eukaryotic grouping indicates that no horizontal gene transfer occurred.  Furthermore, the distinct bacterial and eukaryotic clades have previously been hypothesises to indicate that the protein was likely a part of the Last Universal Common Ancestor to all extant life forms proteome (Leipe, D. et. al. 2002).
Phylogenetic tree of selected model organisms from BLASTP results.  All proteins putative GTPases of the YlqF/YawG family.  Three groupings are observed, a bacterial group (blue), a eukaryotic group (green) and an archaea-eukaryote group (red).  The lack of a bacterial-eukaryotic grouping indicates that no horizontal gene transfer occurred.  Furthermore, the distinct bacterial and eukaryotic clades have previously been hypothesises to indicate that the protein was likely a part of the Last Universal Common Ancestor's proteome (Leipe, D. et. al. 2002).  Red stars indicate less than 95% confidence in branch determined via 100 bootstraps.

Latest revision as of 23:44, 10 June 2007

TREEcircle.jpg

Phylogenetic tree of selected model organisms from BLASTP results. All proteins putative GTPases of the YlqF/YawG family. Three groupings are observed, a bacterial group (blue), a eukaryotic group (green) and an archaea-eukaryote group (red). The lack of a bacterial-eukaryotic grouping indicates that no horizontal gene transfer occurred. Furthermore, the distinct bacterial and eukaryotic clades have previously been hypothesises to indicate that the protein was likely a part of the Last Universal Common Ancestor's proteome (Leipe, D. et. al. 2002). Red stars indicate less than 95% confidence in branch determined via 100 bootstraps.