Figure 1.

Neighbor-joining phylogenetic trees generated by analyzing partial 16S rDNA gene sequences of Suberites domuncula-associated bacteria Pseudoalteromonas sp. 1A1 (A) and Endozoicomonas sp. HEX311 (B). Each entry is preceded by its GenBank accession number. The trees were constructed using maximum composite likelihood and pairwise deletion. Percentage bootstrap values (50% only) from 1000 re-samplings are indicated at each node. Bar, 2% estimated sequence divergence. The symbols following the name of bacteria indicate the association of these bacteria with eukaryotic organisms: asterisk corals, filled circle echinoderms, filled square poriferans, open circle fishes.