Figure 2.

Neighbour joining tree for proteobacterial strains based on partial sequences of the 16S rRNA gene The tree was rooted using Fibrobacter sp. (EMBL L35548) as an outgroup sequence. See legend of Fig. 1 for further details.

Van Borm et al. BMC Evolutionary Biology 2002 2:9   doi:10.1186/1471-2148-2-9
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