FIG. 2.

“Group 6” detailed 16S rRNA-based maximum-likelihood tree of sponge-associated cyanobacteria. An arrow indicates the outgroup (cf. Fig. 1). Bootstrap values above 50% are indicated. Sponge-associated cyanobacteria (which were named following their host species) are indicated in bold. The individual identification number is given at the end of the sequence; different letters represent different clones obtained for the same sponge. Sequences from this work are indicated by a star after the accession number. The sampling localities of sponge-associated cyanobacteria are indicated by bars: AU, Australia; BH, Bahamas; MS, Mediterranean Sea; RS, Red Sea; ZZ, Zanzibar.