FIG. 5.

Phylogenetic dendrogram of the GNS division. Names of cultivated organisms are shown in bold. The habitat source of each environmental sequence is indicated before the clone name. GenBank accession numbers are listed parenthetically. Subdivisions (see the text) are indicated by brackets at the right of the tree. Tree construction and support for branch points was as described for Fig. 1 and 3, respectively. The scale bar indicates 0.1 change per nucleotide.