Figure 2.

An unrooted phylogenetic tree of Proteobacteria and related bacteria. This tree shows the left half of Figure 1, including a number of additional genomes. The numbers associated with edges give bootstrap support as before; the best supported alternative choices are shown dashed. This tree slightly favors breaking the Spirochaetes/Chlamydiales clade of Figure 1.

Bern and Goldberg BMC Evolutionary Biology 2005 5:34   doi:10.1186/1471-2148-5-34
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