#Database_OTU Count Abundance Taxonomy 87167 27 0.00195701 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingomonas; wittichii; otu_87167 130396 2 0.000144964 Bacteria; Proteobacteria; Gammaproteobacteria; Methylococcales; Methylococcaceae; Methylococcaceae_Group; Unclassified; otu_130396 573734 4 0.000579856 Bacteria; Proteobacteria; Betaproteobacteria; Gallionellales; Gallionellaceae; Gallionella; Unclassified; otu_573734 611360 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Alicycliphilus; Unclassified; otu_611360 4460354 8 0.000579856 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Dechloromonas; Unclassified; otu_4460354 4369700 1 0.000144964 Bacteria; Actinobacteria; Acidimicrobiia; Acidimicrobiales; Acidimicrobiaceae; CL500_29; Unclassified; otu_4369700 321586 2 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingobium; Unclassified; otu_321586 325947 8 0.00115971 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Oxalobacteraceae; Undibacterium; Unclassified; otu_325947 405425 536 0.0777007 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; Unclassified; otu_405425 251983 1 0.000144964 Bacteria; Firmicutes; Bacilli; Bacillales; Paenibacillaceae; Paenibacillus; chondroitinus; otu_251983 4380157 7 0.000507374 Bacteria; Proteobacteria; Deltaproteobacteria; Syntrophobacterales; Syntrophaceae; Smithella; Unclassified; otu_4380157 4430221 1 7.2482e-05 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Variovorax; Unclassified; otu_4430221 578572 1 7.2482e-05 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Albidiferax; Unclassified; otu_578572 1145162 122 0.0176856 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Pseudorhodoferax; Unclassified; otu_1145162 576785 6 0.000869784 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Comamonadaceae_Group; Unclassified; otu_576785 4357289 13 0.00188453 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Azospira; Unclassified; otu_4357289 4373456 1 0.000144964 Bacteria; Acidobacteria; Chloracidobacteria; RB41; Unclassified; Unclassified; Unclassified; otu_4373456 1109524 2 0.000289928 Bacteria; Spirochaetes; MVP_15; PL_11B10; Unclassified; Unclassified; Unclassified; otu_1109524 256089 1 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingobium; Unclassified; otu_256089 751360 17 0.00246439 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Bradyrhizobiaceae; Bosea; Unclassified; otu_751360 105948 2 0.000289928 Bacteria; Proteobacteria; Alphaproteobacteria; Unclassified; Unclassified; Unclassified; Unclassified; otu_105948 60345 2 0.000289928 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; Unclassified; otu_60345 557756 2 0.000289928 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Rubrivivax; Unclassified; otu_557756 4303251 3 0.000434892 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Dechloromonas; Unclassified; otu_4303251 4377104 1 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Bradyrhizobiaceae; Bradyrhizobium; Unclassified; otu_4377104 126133 2 0.000289928 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; Unclassified; otu_126133 536916 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Oxalobacteraceae; Undibacterium; Unclassified; otu_536916 44265 1 0.000144964 Bacteria; Bacteroidetes; Flavobacteria; Flavobacteriales; Flavobacteriaceae; Flavobacterium; Unclassified; otu_44265 4315641 2 0.000289928 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Albidiferax; Unclassified; otu_4315641 169182 42 0.00304424 Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae; Escherichia_Shigella; coli; otu_169182 206405 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales; Nitrosomonadaceae; Nitrosomonadaceae_Group; Unclassified; otu_206405 1104806 24 0.00347913 Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales; Caulobacteraceae; Mycoplana; Unclassified; otu_1104806 530107 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Zoogloea; Unclassified; otu_530107 136015 5 0.000241607 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Delftia; Unclassified; otu_136015 784002 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Curvibacter; Unclassified; otu_784002 4295874 172 0.00831127 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Dechloromonas; Unclassified; otu_4295874 108328 3 0.000434892 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Comamonadaceae_Group; Unclassified; otu_108328 2360704 2 7.2482e-05 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Delftia; Unclassified; otu_2360704 570086 155 0.0112347 Bacteria; Bacteroidetes; Flavobacteria; Flavobacteriales; Cryomorphaceae; Fluviicola; Unclassified; otu_570086 4336568 407 0.0590003 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingobium; Unclassified; otu_4336568 4305126 2 0.000289928 Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales; Rickettsiales_Incertae_Sedis; Candidatus_Captivus; Unclassified; otu_4305126 357366 23 0.00333417 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Novosphingobium; Unclassified; otu_357366 4334055 1 4.83213e-05 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; Unclassified; otu_4334055 651643 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Mitsuaria; MSMB34; otu_651643 1106617 7 0.000253687 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Acidovorax; Unclassified; otu_1106617 805044 3 0.000434892 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Aquabacterium; nbw622c07c1; otu_805044 369022 1 7.2482e-05 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Rhodocyclaceae_Group; Unclassified; otu_369022 305809 21 0.00304424 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Burkholderiaceae; Polynucleobacter; Unclassified; otu_305809 247695 96 0.0139165 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; junii; otu_247695 1656467 1 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales; Caulobacteraceae; Mycoplana; Unclassified; otu_1656467 295053 8 0.000579856 Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae; Escherichia_Shigella; Unclassified; otu_295053 463546 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Limnohabitans; Unclassified; otu_463546 1123233 2 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Comamonadaceae_Group; Unclassified; otu_1123233 4435982 16 0.00115971 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; veronii; otu_4435982 147940 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Zoogloea; Unclassified; otu_147940 792796 3 0.000434892 Bacteria; Proteobacteria; Betaproteobacteria; Hydrogenophilales; Hydrogenophilaceae; Thiobacillus; Unclassified; otu_792796 288283 2 0.000289928 Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales; Caulobacteraceae; Brevundimonas; Unclassified; otu_288283 343284 13 0.00188453 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Rhodocyclaceae_Group; Unclassified; otu_343284 312574 3 0.000434892 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingobium; xenophagum; otu_312574 281742 3 0.000434892 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Novosphingobium; Unclassified; otu_281742 750263 5 0.00072482 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Unclassified; Unclassified; Unclassified; otu_750263 4450795 3 0.000108723 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; Unclassified; otu_4450795 3926677 6 0.000869784 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Oxalobacteraceae; Massilia; Unclassified; otu_3926677 610418 3 0.000434892 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Hyphomicrobiaceae; Rhodoplanes; Unclassified; otu_610418 4477789 188 0.0272532 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Zoogloea; Unclassified; otu_4477789 1033178 1 0.000144964 Bacteria; Gemmatimonadetes; Gemm_3; Unclassified; Unclassified; Unclassified; Unclassified; otu_1033178 547362 2 0.000289928 Bacteria; Proteobacteria; Betaproteobacteria; Hydrogenophilales; Hydrogenophilaceae; Thiobacillus; Unclassified; otu_547362 539293 1504 0.218026 Bacteria; Bacteroidetes; Cytophagia; Cytophagales; Cytophagaceae; Flectobacillus; Unclassified; otu_539293 553648 4 0.000115971 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Unclassified; otu_553648 205301 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; SC_I_84; Unclassified; Unclassified; Unclassified; otu_205301 4418677 5 0.00072482 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Rhodocyclaceae_Group; Unclassified; otu_4418677 17331 5 0.00072482 Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales; Gallionellaceae; Candidatus_Nitrotoga; Unclassified; otu_17331 776787 5 0.00072482 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Polaromonas; Unclassified; otu_776787 562190 1 7.2482e-05 Bacteria; Acidobacteria; Solibacteres; Solibacterales; Solibacteraceae; Candidatus_Solibacter; Unclassified; otu_562190 338371 6 0.000869784 Bacteria; Proteobacteria; Deltaproteobacteria; Bdellovibrionales; Bdellovibrionaceae; Bdellovibrio; Unclassified; otu_338371 567840 1 7.2482e-05 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Bradyrhizobiaceae; Bosea; genosp.; otu_567840 4474906 1 4.83213e-05 Bacteria; Planctomycetes; Planctomycetacia; Planctomycetales; Planctomycetaceae; Singulisphaera; Unclassified; otu_4474906 4402900 1 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Hyphomicrobiaceae; Rhodoplanes; Unclassified; otu_4402900 334067 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Acidovorax; delafieldii; otu_334067 1137448 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Zoogloea; Unclassified; otu_1137448 4449458 2 0.000289928 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; Unclassified; otu_4449458 4402114 1009 0.146269 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Zoogloea; Unclassified; otu_4402114 4467400 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Comamonadaceae_Group; Unclassified; otu_4467400 695365 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Rhodocyclaceae_Group; Unclassified; otu_695365 758253 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Hydrogenophilales; Hydrogenophilaceae; Hydrogenophilaceae_Group; Unclassified; otu_758253 543942 2 3.6241e-05 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; Unclassified; otu_543942 537655 1 0.000144964 Bacteria; Nitrospirae; Nitrospira; Nitrospirales; Nitrospiraceae; Nitrospira; Unclassified; otu_537655 556100 1 0.000144964 Bacteria; Proteobacteria; Deltaproteobacteria; Bdellovibrionales; Bdellovibrionaceae; Bdellovibrio; Unclassified; otu_556100 4156020 1 0.000144964 Bacteria; Bacteroidetes; Flavobacteria; Flavobacteriales; Cryomorphaceae; Crocinitomix; Unclassified; otu_4156020 2429852 22 0.00318921 Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales; Caulobacteraceae; Caulobacter; Unclassified; otu_2429852 1673321 3 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Piscinibacter; Unclassified; otu_1673321 4453998 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Comamonas; Unclassified; otu_4453998 513803 5 0.00072482 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Novosphingobium; Unclassified; otu_513803 335454 1 0.000144964 Bacteria; Actinobacteria; Actinobacteria; Frankiales; Sporichthyaceae; hgcI; Unclassified; otu_335454 4477199 14 0.0020295 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Limnohabitans; Unclassified; otu_4477199 212159 1 0.000144964 Bacteria; Bacteroidetes; Sphingobacteria; Sphingobacteriales; Sphingobacteriaceae; Pedobacter; Unclassified; otu_212159 812851 1 0.000144964 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Unclassified; otu_812851 831178 3 0.000434892 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Bradyrhizobiaceae; Bosea; sp._BKBCF21; otu_831178 4343661 14 0.00101475 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Oxalobacteraceae; Undibacterium; Unclassified; otu_4343661 4328903 25 0.0036241 Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales; Gallionellaceae; Sideroxydans; Unclassified; otu_4328903 3032241 10 0.00072482 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; KD1_23; Unclassified; otu_3032241 1136287 28 0.00405899 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; K82; Unclassified; otu_1136287 2017421 1 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales; Rhodospirillaceae; Rhodospirillaceae_Group; Unclassified; otu_2017421 4388545 15 0.00217446 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Comamonadaceae_Group; Unclassified; otu_4388545 154174 5 0.00036241 Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales; Caulobacteraceae; Caulobacter; henricii; otu_154174 329997 161 0.0233392 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Moraxellaceae; Acinetobacter; junii; otu_329997 285497 5 0.00072482 Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales; Caulobacteraceae; Brevundimonas; sp._RTB; otu_285497 3189294 7 0.00101475 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Zymomonas; Unclassified; otu_3189294 100791 117 0.0169608 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Aquabacterium; Unclassified; otu_100791 674655 1 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingopyxis; Unclassified; otu_674655 4444121 1 0.000144964 Bacteria; Actinobacteria; Thermoleophilia; Gaiellales; Gaiellaceae; Gaiellaceae_Group; Unclassified; otu_4444121 254116 2 0.000289928 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Bradyrhizobiaceae; Bradyrhizobium; Unclassified; otu_254116 746799 12 0.00173957 Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales; Rhodobacteraceae; Rhodobacter; Unclassified; otu_746799 582075 1 0.000144964 Bacteria; Proteobacteria; Alphaproteobacteria; Rhizobiales; Rhizobiales_Incertae_Sedis; Phreatobacter; Unclassified; otu_582075 202466 182 0.00376906 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Unclassified; otu_202466 4484204 2 0.000289928 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Unclassified; Unclassified; Unclassified; otu_4484204 759013 1 0.000144964 Bacteria; Bacteroidetes; Sphingobacteria; Sphingobacteriales; Unclassified; Unclassified; Unclassified; otu_759013 358280 9 0.00130468 Bacteria; Bacteroidetes; Sphingobacteria; Sphingobacteriales; Chitinophagaceae; Terrimonas; Unclassified; otu_358280 1039594 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Giesbergeria; Unclassified; otu_1039594 209134 6 0.000434892 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Rhodocyclaceae_Group; Unclassified; otu_209134 4333186 6090 0.294277 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Oxalobacteraceae; Oxalobacteraceae_Group; Unclassified; otu_4333186 1143300 7 0.00101475 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Sphaerotilus; Unclassified; otu_1143300 4351855 1 7.2482e-05 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Unclassified; otu_4351855 2760486 1 0.000144964 Bacteria; Elusimicrobia; Elusimicrobia; Elusimicrobiales; Unclassified; Unclassified; Unclassified; otu_2760486 744371 8 0.00115971 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Unclassified; otu_744371 4453524 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Oxalobacteraceae; Massilia; Unclassified; otu_4453524 2689396 9 0.00130468 Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae; Escherichia_Shigella; Unclassified; otu_2689396 22594 29 0.00420395 Bacteria; Proteobacteria; Deltaproteobacteria; Bdellovibrionales; Bacteriovoracaceae; Bacteriovorax; sp._SD1; otu_22594 584010 4 0.000579856 Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Rhodocyclaceae; Zoogloea; Unclassified; otu_584010 349828 2 0.000289928 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Limnohabitans; Unclassified; otu_349828 2775220 13 0.00188453 Bacteria; Bacteroidetes; Sphingobacteria; Sphingobacteriales; Unclassified; Unclassified; Unclassified; otu_2775220 140966 9 0.000260935 Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales; Pseudomonadaceae; Pseudomonas; Unclassified; otu_140966 301149 13 0.000942266 Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae; Escherichia_Shigella; coli; otu_301149 159950 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Limnohabitans; Unclassified; otu_159950 846104 1 0.000144964 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Comamonadaceae; Diaphorobacter; Unclassified; otu_846104 821579 6 0.000869784 Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Oxalobacteraceae; Undibacterium; Unclassified; otu_821579 4397998 21 0.000761061 Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales; Sphingomonadaceae; Sphingobium; Unclassified; otu_4397998