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Phylogenetic tree reconstructed from nearly full-length (Escherichia coli positions 252-1313) 16S rRNA gene sequences using RaxML and a 70% positional frequency filter. The 16S rRNA gene sequence of the Gulf of Mexico filament is shown in boldface and affiliates to other “Candidatus Marithrix” sequences, i.e., large attached filaments collected from vent, seep, and volcano sites across the world's oceans.
