#Database_OTU Count Abundance Taxonomy 4431597 1 0.285714 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Hyphomicrobiaceae; Hyphomicrobium; Unclassified; otu_4431597 10829 3 0.428571 Bacteria; Proteobacteria; Deltaproteobacteria; Desulfobacterales; Desulfobulbaceae; Desulfobulbus; rhabdoformis; otu_10829 263393 1 0.285714 Bacteria; Synergistetes; Synergistia; Synergistales; Synergistaceae; Thermovirga; Unclassified; otu_263393