Fig. 3.
Phylogenetic relationships of strain Shr3T, related environmental clones and known groups in the phylum Proteobacteria based on 16S rRNA gene sequences. The tree, constructed using the neighbour-joining method, is based on a comparison of 1124 nucleotide positions. Bootstrap values >50 %, expressed as percentages of 1000 replicates, are shown above and below branches. Bar, 0.02 substitutions per nucleotide position. Trees reconstructed by the maximum-likelihood, minimum evolution and maximum-parsimony methods are available as Figs S1–S3.