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Neighbor-joining phylogenetic tree from analysis of ca. 500 bp of 16S rRNA gene sequence from clones obtained from Acanthostrongylophora sp. (01IND035) (58). The scale bar represents 0.1 substitutions per nucleotide position. Culturable isolates from the sponge are boxed. Sequences shown in bold are those whose nearest relatives, based on BLAST searches, are also from sponges.
