#Database_OTU Count Abundance Taxonomy 1133089 23 0.0699088 Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales; Helicobacteraceae; Helicobacter; Unclassified; otu_1133089 4336814 128 0.778116 Bacteria; Proteobacteria; Alphaproteobacteria; SAR11_clade; Surface_1; Candidatus_Pelagibacter; Unclassified; otu_4336814 2440443 25 0.151976 Archaea; Euryarchaeota; Thermoplasmata; E2; Unclassified; Unclassified; Unclassified; otu_2440443