#Database_OTU Count Abundance Taxonomy 264846 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnoclostridium; Unclassified; otu_264846 345557 18 0.00710678 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_345557 271592 4 0.00315857 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_271592 136604 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_136604 259910 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_259910 260547 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Anaerotruncus; Unclassified; otu_260547 3758679 3 0.00236893 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_3758679 198770 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_198770 317099 3 0.00236893 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_317099 187744 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_187744 309884 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_309884 4327881 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_4327881 298723 5 0.00197411 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_298723 161993 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Unclassified; Unclassified; Unclassified; otu_161993 266676 15 0.00592232 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_266676 199403 2 0.000789642 Bacteria; Actinobacteria; Coriobacteria; Coriobacteriales; Coriobacteriaceae; Adlercreutzia; Unclassified; otu_199403 332776 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Tyzzerella; Unclassified; otu_332776 352445 2 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Ruminococcus; gnavus; otu_352445 3195932 2 0.00157928 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_3195932 3439402 1 0.000394821 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_3439402 191483 1 0.000394821 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_191483 259218 209 0.165035 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_259218 4450711 3 0.00236893 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae; Parabacteroides; distasonis; otu_4450711 4382827 1 0.000131607 Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae; Escherichia_Shigella; Unclassified; otu_4382827 568118 66 0.0104233 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Prevotellaceae; Prevotella; copri; otu_568118 4432841 1 0.000789642 Bacteria; Tenericutes; Mollicutes; RF39; Unclassified; Unclassified; Unclassified; otu_4432841 277067 5 0.00394821 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_277067 187841 27 0.00304576 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_187841 513445 41 0.0323753 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_513445 192839 98 0.0773849 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_192839 4212012 12 0.00947571 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; uniformis; otu_4212012 356055 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_356055 189585 5 0.00394821 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Blautia; Unclassified; otu_189585 828435 1 0.000789642 Bacteria; Firmicutes; Erysipelotrichia; Erysipelotrichales; Erysipelotrichaceae; Erysipelotrichaceae_Group; Unclassified; otu_828435 265487 3 0.00236893 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_265487 183496 58 0.0457992 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_183496 176030 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_176030 274913 1 0.000263214 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_274913 185294 3 0.00236893 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Ruminococcus; gnavus; otu_185294 167509 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_167509 171232 20 0.0157928 Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae; Lactobacillus; Unclassified; otu_171232 314323 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_314323 4417335 11 0.00868606 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_4417335 326662 14 0.011055 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_326662 676115 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Roseburia; Unclassified; otu_676115 267411 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcus; Unclassified; otu_267411 199532 4 0.00315857 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_199532 352624 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_352624 340189 4 0.00315857 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_340189 316132 12 0.00135367 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_316132 260828 23 0.00605392 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Roseburia; Unclassified; otu_260828 3671383 1 0.000789642 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_3671383 266203 7 0.00552749 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_266203 180584 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_180584 331747 34 0.0268478 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_331747 260058 3 0.00236893 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_260058 197775 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_197775 189749 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_189749 347655 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_347655 305853 6 0.00473785 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_305853 270662 6 0.00473785 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_270662 236736 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_236736 189024 3 0.00236893 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_189024 179949 16 0.0126343 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_179949 4395075 5 0.000987053 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; ovatus; otu_4395075 264378 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_264378 653533 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Coprococcus; Unclassified; otu_653533 4460680 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Eubacterium; Unclassified; otu_4460680 258204 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_258204 3392840 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Dorea; Unclassified; otu_3392840 192255 10 0.00394821 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_192255 349459 4 0.00315857 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcaceae_Group; Unclassified; otu_349459 169428 43 0.0339546 Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae; Lactobacillus; Unclassified; otu_169428 271191 1 0.000394821 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Ruminococcus; gnavus; otu_271191 322525 4 0.00315857 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_322525 4342992 1 0.000394821 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_4342992 1106006 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcus; Unclassified; otu_1106006 331786 24 0.0189514 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_331786 230725 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_230725 190479 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_190479 262724 1 0.000263214 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Roseburia; Unclassified; otu_262724 172705 3 0.00118446 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_172705 1112984 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_1112984 258969 3 0.00118446 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Ruminococcus; gnavus; otu_258969 270030 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcus; Unclassified; otu_270030 265030 57 0.0450096 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Eubacterium; Unclassified; otu_265030 186841 2 0.000394821 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_186841 259477 5 0.00394821 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_259477 275580 4 0.00105286 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Roseburia; Unclassified; otu_275580 332364 83 0.0655403 Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae; Lactobacillus; Unclassified; otu_332364 4424327 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_4424327 311466 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_311466 264489 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_264489 178779 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_178779 320835 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_320835 269359 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_269359 313324 5 0.00197411 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcaceae_Group; Unclassified; otu_313324 277443 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Roseburia; Unclassified; otu_277443 258325 6 0.00473785 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_258325 3265889 10 0.00789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_3265889 263327 1 0.000394821 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Ruminococcus; gnavus; otu_263327 274380 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_274380 264572 2 0.000526428 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Roseburia; Unclassified; otu_264572 3325758 18 0.0142136 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_3325758 344108 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_344108 830014 3 0.00236893 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_830014 337331 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_337331 261572 4 0.00315857 Bacteria; Firmicutes; Clostridia; Clostridiales; Mogibacteriaceae; Eubacterium; Unclassified; otu_261572 273954 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_273954 335553 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_335553 188697 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_188697 186233 3 0.00236893 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae; Parabacteroides; distasonis; otu_186233 730939 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcaceae_Group; Unclassified; otu_730939 263380 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_263380 214835 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_214835 324524 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_324524 847228 13 0.00128317 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae; Parabacteroides; Unclassified; otu_847228 3638321 12 0.00473785 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_3638321 262935 3 0.00236893 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Eubacterium; Unclassified; otu_262935 265958 2 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Ruminococcaceae_Group; Unclassified; otu_265958 350392 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_350392 177679 5 0.000987053 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; S24_7; S24_7_Group; Unclassified; otu_177679 344943 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_344943 273199 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_273199 291090 6 0.00473785 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae; Parabacteroides; distasonis; otu_291090 233191 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_233191 586453 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Christensenellaceae; Christensenellaceae_Group; Unclassified; otu_586453 4437362 14 0.011055 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_4437362 184484 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_184484 275109 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_275109 189406 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_189406 349783 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_349783 184610 71 0.0560646 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; caccae; otu_184610 267110 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_267110 229562 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_229562 259781 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Ruminococcus; gnavus; otu_259781 4358527 6 0.00118446 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae; Bacteroides; Unclassified; otu_4358527 348559 4 0.00315857 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_348559 308546 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_308546 264101 75 0.0592232 Bacteria; Firmicutes; Clostridia; Clostridiales; Ruminococcaceae; Oscillospira; Unclassified; otu_264101 270290 77 0.0608024 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_270290 276434 7 0.00552749 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_276434 272080 1 0.000789642 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_272080 196219 1 0.000789642 Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae; Parabacteroides; Unclassified; otu_196219 174768 2 0.00157928 Bacteria; Firmicutes; Clostridia; Clostridiales; Lachnospiraceae; Lachnospiraceae_Group; Unclassified; otu_174768