Figure 3.

Radial dendrogram displaying Proteobacteria rRNA G+C% on a phylogenetic tree. Low to high G+C% is displayed on a spectrum from yellow to blue. Included are 30 randomly sampled species from each of the five Proteobacteria divisions (α to γ).

Knight et al. Genome Biology 2007 8:R171   doi:10.1186/gb-2007-8-8-r171
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