#Database_OTU Count Abundance Taxonomy 4453636 1 0.111111 Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales; Geobacteraceae; Geobacter; lovleyi; otu_4453636 174332 3 0.666667 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Blautia; Unclassified; otu_174332 367542 1 0.222222 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcus; Unclassified; otu_367542