Maximum likelihood topologies of the Pho and 872 sequences used in this study. The trees are arbitrarily rooted with the 872 cluster. The species and the locus tags of the corresponding genes are indicated. The brackets indicate the clusters of orthologs. Support of nodes is indicated as in Figure 2.
Zúñiga et al. BMC Evolutionary Biology 2011 11:34 doi:10.1186/1471-2148-11-34