105 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 8 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 24 Bacteria Proteobacteria Chloroplast Rickettsiales mitochondria 34 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 7 Bacteria Proteobacteria Gammaproteobacteria Rickettsiales 42 Bacteria OD1 SM2F11 25 Bacteria OD1 SM2F11 81 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales SC3 21 Bacteria Planctomycetes OM190 agg27 76 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales SC3 17 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales C111 5 Bacteria TM7 38 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales 8 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales 11 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales C111 11 Bacteria Actinobacteria Actinobacteria Actinomycetales Micrococcaceae Micrococcus Micrococcus_luteus 10 Bacteria TM6 SJA YJF2 15 Bacteria TM7 25 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales JdFBGBact 37 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales JdFBGBact 17 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales JdFBGBact 12 Bacteria Actinobacteria Acidimicrobiia Acidimicrobiales JdFBGBact 7 Bacteria Actinobacteria Actinobacteria Actinomycetales Propionibacteriaceae Propionibacterium Propionibacterium_acnes 11 Bacteria TM7 2882 Bacteria Cyanobacteria Chloroplast Rhodophyta 20 Bacteria Planctomycetes OM190 agg27 59 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 435 Bacteria Chloroflexi Anaerolineae DRC31 718 Bacteria Proteobacteria Gammaproteobacteria 80 Bacteria Proteobacteria Gammaproteobacteria 247 Bacteria Chloroflexi Anaerolineae DRC31 584 Bacteria Cyanobacteria Chloroplast Stramenopiles 20 Bacteria Cyanobacteria Chloroplast Rhodophyta 14 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae 25 Bacteria Chloroflexi Anaerolineae DRC31 23 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 11 Bacteria Acidobacteria RB41 Ellin6075 105 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 32 Bacteria Cyanobacteria Synechococcophycideae Pseudanabaenales Pseudanabaenaceae 19 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Thiotrichaceae Thiothrix 70 Bacteria Cyanobacteria Synechococcophycideae Pseudanabaenales Pseudanabaenaceae 13 Bacteria Chloroflexi Anaerolineae H39 7 Bacteria Cyanobacteria Oscillatoriophycideae Chroococcales 27 Bacteria Proteobacteria Deltaproteobacteria Spirobacillales 8 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 48 Bacteria Chloroflexi Anaerolineae DRC31 58 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae Rubritalea 22 Bacteria Cyanobacteria Chloroplast Stramenopiles 8 Bacteria Proteobacteria Gammaproteobacteria Pseudomonadales Moraxellaceae Enhydrobacter 21 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 20 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae Rubritalea 95 Bacteria Proteobacteria Gammaproteobacteria 517 Bacteria Cyanobacteria Synechococcophycideae Synechococcales Acaryochloridaceae Acaryochloris 33 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 53 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 27 Bacteria Cyanobacteria Oscillatoriophycideae Chroococcales Xenococcaceae 90 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 34 Bacteria Chloroflexi Anaerolineae Caldilineales Caldilineaceae 32 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 83 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 13 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae 220 Bacteria Chloroflexi Anaerolineae Caldilineales Caldilineaceae 112 Bacteria Cyanobacteria Chloroplast Stramenopiles 16 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 24 Bacteria Cyanobacteria Chloroplast Rhodophyta 10 Bacteria Proteobacteria TA18 PHOS 14 Bacteria Actinobacteria Thermoleophilia Gaiellales 37 Bacteria Proteobacteria Gammaproteobacteria 46 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 27 Bacteria Actinobacteria Thermoleophilia Gaiellales 25 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae Verrucomicrobium 35 Bacteria Proteobacteria Deltaproteobacteria Spirobacillales 54 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 7 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae Rubritalea 5 Bacteria Cyanobacteria Oscillatoriophycideae Chroococcales Xenococcaceae 12 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 129 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 17 Bacteria Proteobacteria Gammaproteobacteria 3 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 17 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 4 Bacteria Firmicutes Bacilli Bacillales Staphylococcaceae Staphylococcus 15 Bacteria Cyanobacteria Synechococcophycideae Pseudanabaenales Pseudanabaenaceae Halomicronema 31 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 97 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 119 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae 17 Bacteria Cyanobacteria Synechococcophycideae Pseudanabaenales Pseudanabaenaceae 26 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 21 Bacteria Chloroflexi Anaerolineae DRC31 38 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae 13 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 8 Bacteria Proteobacteria Deltaproteobacteria Bdellovibrionales Bdellovibrionaceae Bdellovibrio 6 Bacteria Verrucomicrobia Verrucomicrobiae Verrucomicrobiales Verrucomicrobiaceae 11 Bacteria Cyanobacteria 16 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 25 Bacteria Chloroflexi Anaerolineae DRC31 27 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Piscirickettsiaceae 9 Bacteria Proteobacteria Gammaproteobacteria 33 Bacteria Proteobacteria Gammaproteobacteria Vibrionales Vibrionaceae Vibrio 24 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 716 Bacteria Proteobacteria Alphaproteobacteria Kiloniellales 3 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales 35 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae 12 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales 18 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae Maribacter 67 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 17 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae Lutibacterium 147 Bacteria Proteobacteria Alphaproteobacteria Kiloniellales 43 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae 12 Bacteria Proteobacteria Alphaproteobacteria 23 Bacteria Proteobacteria Gammaproteobacteria HTCC2188 HTCC2089 45 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Piscirickettsiaceae 170 Bacteria Proteobacteria Gammaproteobacteria Vibrionales Vibrionaceae Vibrio Vibrio_metschnikovii 8 Bacteria Proteobacteria Deltaproteobacteria 156 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae 16 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales Hahellaceae 150 Bacteria Proteobacteria Gammaproteobacteria 3 Bacteria Proteobacteria Deltaproteobacteria Myxococcales OM27 22 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 23 Bacteria Proteobacteria Alphaproteobacteria Kiloniellales 4 Bacteria Proteobacteria Gammaproteobacteria 24 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 62 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 9 Bacteria Proteobacteria Gammaproteobacteria 9 Bacteria Proteobacteria Alphaproteobacteria Kiloniellales 85 Bacteria Proteobacteria Gammaproteobacteria Oceanospirillales Halomonadaceae Halomonas 13 Bacteria Proteobacteria Gammaproteobacteria Thiohalorhabdales 5 Bacteria Cyanobacteria Chloroplast Rhodophyta 15 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 23 Bacteria Proteobacteria Gammaproteobacteria HOC36 20 Bacteria Proteobacteria Gammaproteobacteria Thiotrichales Thiotrichaceae Leucothrix 65 Bacteria Proteobacteria Alphaproteobacteria Sphingomonadales Erythrobacteraceae 18 Bacteria Proteobacteria Deltaproteobacteria Myxococcales OM27 23 Bacteria Proteobacteria Gammaproteobacteria Alteromonadales OM60 21 Bacteria Proteobacteria Gammaproteobacteria Enterobacteriales Enterobacteriaceae 10 Bacteria Proteobacteria Gammaproteobacteria Chromatiales 215 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 25 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 2216 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 97 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 162 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Paracoccus 22 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 3 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 144 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 8 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Anaerospora Anaerospora_hongkongensis 21 Bacteria Planctomycetes 33 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Phyllobacteriaceae 56 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 5 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales Rickettsiaceae 195 Bacteria Planctomycetes Planctomycetia Planctomycetales Planctomycetaceae Planctomyces 29 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Oxalobacteraceae 16 Bacteria Planctomycetes Planctomycetia Planctomycetales Planctomycetaceae Planctomyces 94 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales Pelagibacteraceae 475 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 35 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Hyphomonadaceae 9 Bacteria Planctomycetes Planctomycetia Planctomycetales Planctomycetaceae Planctomyces 62 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 32 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Brucellaceae Ochrobactrum 23 Bacteria Firmicutes Clostridia Clostridiales Clostridiaceae Clostridium Clostridium_perfringens 47 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 28 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Hyphomonadaceae 22 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Hyphomicrobiaceae 12 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 35 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 61 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Bradyrhizobiaceae Bradyrhizobium 16 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 28 Bacteria Planctomycetes Planctomycetia Planctomycetales Planctomycetaceae Planctomyces 19 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 80 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 8 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 58 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 7 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Hyphomicrobiaceae 24 Bacteria Planctomycetes Planctomycetia Planctomycetales Planctomycetaceae Planctomyces 36 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Hyphomonadaceae 12 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 9 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 5 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae Phaeobacter 102 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 11 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Hyphomonadaceae 21 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 6 Bacteria Bacteroidetes Saprospiraceae 3 Bacteria Proteobacteria Alphaproteobacteria Caulobacterales 56 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Burkholderiaceae Burkholderia 166 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 36 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 22 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 7 Bacteria Proteobacteria Alphaproteobacteria Caulobacterales Caulobacteraceae 3 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 10 Bacteria Planctomycetes Planctomycetia Planctomycetales Planctomycetaceae Planctomyces 109 Bacteria Bacteroidetes Saprospiraceae 442 Bacteria Bacteroidetes Saprospiraceae 4 Bacteria Proteobacteria Alphaproteobacteria BD7 62 Bacteria Bacteroidetes Saprospiraceae 375 Bacteria Bacteroidetes Saprospiraceae 34 Bacteria Bacteroidetes Saprospiraceae 9 Bacteria Bacteroidetes Saprospiraceae 93 Bacteria Bacteroidetes Saprospiraceae 187 Bacteria Bacteroidetes Saprospiraceae 142 Bacteria Bacteroidetes Saprospiraceae 7 Bacteria Bacteroidetes Chitinophagaceae 45 Bacteria Bacteroidetes Saprospiraceae 106 Bacteria Cyanobacteria Chloroplast Stramenopiles 19 Bacteria Bacteroidetes Saprospiraceae Lewinella 65 Bacteria Bacteroidetes Saprospiraceae 24 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 8 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 7 Bacteria Firmicutes Clostridia Clostridiales Peptostreptococcaceae 9 Bacteria Bacteroidetes Saprospiraceae 51 Bacteria Cyanobacteria Chloroplast UA01 7 Bacteria Bacteroidetes Saprospiraceae 55 Bacteria Bacteroidetes Saprospiraceae 16 Bacteria Bacteroidetes Saprospiraceae 18 Bacteria Proteobacteria Alphaproteobacteria Rhodobacterales Rhodobacteraceae 254 Bacteria Bacteroidetes Saprospiraceae 14 Bacteria Bacteroidetes Sphingobacteriia Sphingobacteriales NS11 3 Bacteria Bacteroidetes Chitinophagaceae 4 Bacteria Bacteroidetes 17 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales Rickettsiaceae 54 Bacteria Bacteroidetes Bacteroidia Bacteroidales 25 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 114 Bacteria Cyanobacteria Chloroplast UA01 23 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 15 Bacteria Bacteroidetes Cytophagia Cytophagales Flammeovirgaceae JTB248 206 Bacteria Bacteroidetes 14 Bacteria Bacteroidetes Saprospiraceae 29 Bacteria Bacteroidetes Saprospiraceae 10 Bacteria Bacteroidetes Saprospiraceae 27 Bacteria Firmicutes Clostridia Clostridiales Fusibacter 51 Bacteria Deinococci Deinococcales Trueperaceae GBI 15 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae Winogradskyella 42 Bacteria Bacteroidetes Saprospiraceae 16 Bacteria Bacteroidetes Saprospiraceae 8 Bacteria Bacteroidetes Cytophagia Cytophagales Flammeovirgaceae 132 Bacteria Bacteroidetes Saprospiraceae 14 Bacteria Bacteroidetes Saprospiraceae 10 Bacteria Bacteroidetes Saprospiraceae 7 Bacteria Bacteroidetes Saprospiraceae 58 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales 15 Bacteria Bacteroidetes 37 Bacteria Bacteroidetes Saprospiraceae 31 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae Kordia 12 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 11 Bacteria Bacteroidetes 14 Bacteria Bacteroidetes Saprospiraceae 31 Bacteria Proteobacteria Alphaproteobacteria Myxococcales OM27 14061 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 38 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 7 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae Psychroserpens 5 Bacteria Proteobacteria Gammaproteobacteria Pseudomonadales Moraxellaceae 6 Bacteria Bacteroidetes Saprospiraceae 26 Bacteria Bacteroidetes Saprospiraceae 15 Bacteria Bacteroidetes Saprospiraceae 7 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales 144 Bacteria Bacteroidetes Saprospiraceae 62 Bacteria Bacteroidetes Saprospiraceae 431 Bacteria Bacteroidetes Saprospiraceae 111 Bacteria Bacteroidetes Saprospiraceae 95 Bacteria Bacteroidetes Saprospiraceae 31 Bacteria Bacteroidetes Saprospiraceae 43 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 42 Bacteria Bacteroidetes Saprospiraceae 59 Bacteria Bacteroidetes Saprospiraceae 7 Bacteria Bacteroidetes Bacteroidia Bacteroidales 10 Bacteria Bacteroidetes Saprospiraceae 8 Bacteria Bacteroidetes Saprospiraceae 7 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales Anaplasmataceae Neorickettsia 26 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae Tenacibaculum 459 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 689 Bacteria Bacteroidetes Saprospiraceae 79 Bacteria Bacteroidetes Saprospiraceae 55 Bacteria Bacteroidetes Saprospiraceae 36 Bacteria Bacteroidetes Saprospiraceae 78 Bacteria Bacteroidetes Saprospiraceae 58 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 54 Bacteria Bacteroidetes Saprospiraceae 12 Bacteria Bacteroidetes Saprospiraceae 3 Bacteria Bacteroidetes Saprospiraceae 31 Bacteria Bacteroidetes Saprospiraceae 21 Bacteria Bacteroidetes Saprospiraceae 207 Bacteria Bacteroidetes Saprospiraceae 9 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 102 Bacteria Bacteroidetes Saprospiraceae 46 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae Tenacibaculum 10 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 38 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 64 Bacteria Bacteroidetes Saprospiraceae 12 Bacteria Bacteroidetes Saprospiraceae 135 Bacteria Bacteroidetes Saprospiraceae 58 Bacteria Proteobacteria Gammaproteobacteria Chromatiales 15 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales Rickettsiaceae 6 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 7 Bacteria Bacteroidetes Flavobacteriia Flavobacteriales Flavobacteriaceae 18 Bacteria Proteobacteria Gammaproteobacteria Clostridiales Chrysiogenaceae Desulfurispirillum 29 Bacteria Proteobacteria Alphaproteobacteria Rickettsiales mitochondria 153 Bacteria Bacteroidetes Saprospiraceae 15 Bacteria Firmicutes Clostridia Clostridiales Peptoniphilus