Figure 5.

Individual gene analyses of synonymous sequence divergence. Shown are the dS trees resulting from individual, codon-based likelihood analyses of five mitochondrial protein-coding genes (atp1, cob, cox1, cox2, and cox3) and overall divergence from individual, nucleotide-based likelihood analyses of SSU and LSU rDNA. Branch lengths are in units of synonymous substitutions per synonymous site for the protein-coding genes and in units of substitutions per site for rDNA genes. Topological constraints were enforced during the analysis (see methods). S. = Silene; P. = Plantago.

Mower et al. BMC Evolutionary Biology 2007 7:135   doi:10.1186/1471-2148-7-135
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