19 Archaea Crenarchaeota MCG pGrfC26 16 Archaea Euryarchaeota Methanomicrobia Methanomicrobiales Methanoregulaceae Methanolinea 13 Archaea Euryarchaeota Methanomicrobia Methanosarcinales Methanosaetaceae Methanosaeta 4 Archaea Crenarchaeota Thermococci Thermococcales Thermococcaceae Palaeococcus 16 Archaea Euryarchaeota Methanomicrobia Methanosarcinales Methanosarcinaceae Methanosarcina 11 Archaea 28 Archaea Euryarchaeota Methanomicrobia Methanomicrobiales Methanoregulaceae Candidatus_Methanoregula 23 Archaea Euryarchaeota Methanomicrobia Methanomicrobiales Methanoregulaceae Candidatus_Methanoregula 26 Archaea Euryarchaeota Methanomicrobia Methanosarcinales Methanosaetaceae Methanosaeta 4 Archaea Euryarchaeota Thermoplasmata E2 13 Archaea Euryarchaeota Methanomicrobia Methanomicrobiales Methanoregulaceae Candidatus_Methanoregula 3 Bacteria Chloroflexi Anaerolineae CFB 4 Bacteria Chloroflexi Anaerolineae GCA004 6 Bacteria Nitrospirae Nitrospira Nitrospirales LCP 9 Bacteria Chlorobi Ignavibacteria Ignavibacteriales Ignavibacteriaceae 4 Bacteria Proteobacteria Alphaproteobacteria 6 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales Sinobacteraceae 8 Bacteria Proteobacteria Deltaproteobacteria Myxococcales Myxococcaceae Anaeromyxobacter 13 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales Sinobacteraceae 3 Bacteria Chlorobi Ignavibacteria Ignavibacteriales Ignavibacteriaceae 10 Bacteria Proteobacteria Deltaproteobacteria Syntrophobacterales Syntrophaceae 8 Bacteria Acidobacteria BPC102 MVS 6 Bacteria Proteobacteria Deltaproteobacteria Desulfobacterales Desulfobacteraceae Desulfococcus 12 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae Rubrivivax 100 Archaea Crenarchaeota MCG pGrfC26 4 Bacteria Chloroflexi Dehalococcoidetes Dehalococcoidales 12 Bacteria Bacteroidetes Bacteroidia Bacteroidales 10 Bacteria Chloroflexi Anaerolineae GCA004 10 Bacteria Verrucomicrobia Ellin515 11 Bacteria Nitrospirae Nitrospira Nitrospirales LCP 5 Bacteria Bacteroidetes Cytophagia Cytophagales Cytophagaceae 7 Bacteria Acidobacteria Acidobacteria iii1 34 Bacteria Proteobacteria Betaproteobacteria 36 Archaea Euryarchaeota Thermoplasmata E2 DHVEG 8 Archaea Euryarchaeota Thermoplasmata E2 DHVEG 9 Bacteria Proteobacteria Deltaproteobacteria Desulfobacterales Desulfobacteraceae Desulfococcus 5 Bacteria Acidobacteria RB25 8 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Comamonadaceae 15 Bacteria Proteobacteria Epsilonproteobacteria Campylobacterales Helicobacteraceae Sulfuricurvum Sulfuricurvum_kujiense 3 Bacteria Spirochaetes Spirochaetes Spirochaetales Spirochaetaceae Spirochaeta 8 Archaea Crenarchaeota MCG pGrfC26 5 Bacteria Spirochaetes Spirochaetes Spirochaetales Spirochaetaceae 5 Archaea Euryarchaeota Thermoplasmata E2 DHVEG 19 Bacteria Chloroflexi Anaerolineae GCA004 15 Bacteria Verrucomicrobia Ellin515 6 Bacteria FCPU426 4 Bacteria Chloroflexi Anaerolineae Anaerolineales Anaerolinaceae T78 6 Bacteria Proteobacteria Betaproteobacteria 47 Bacteria Acidobacteria BPC102 MVS 5 Bacteria Proteobacteria Gammaproteobacteria DTB120 3 Bacteria Planctomycetes Planctomycetia Pirellulales Pirellulaceae 10 Bacteria Nitrospirae Nitrospira Nitrospirales GOUTA19 8 Bacteria KSB3 60 Bacteria Chloroflexi Anaerolineae Anaerolineales Anaerolinaceae 5 Bacteria Proteobacteria TA18 CV90 8 Bacteria Proteobacteria Deltaproteobacteria Desulfarculales Desulfarculaceae 3 Bacteria Proteobacteria Deltaproteobacteria Myxococcales 10 Bacteria NC10 12 JH 4 Bacteria WWE1 SHA 16 Bacteria Nitrospirae Nitrospira Nitrospirales FW 4 6 Bacteria Proteobacteria Gammaproteobacteria Xanthomonadales Sinobacteraceae 3 Bacteria Proteobacteria Deltaproteobacteria Desulfovibrionales Desulfovibrionaceae Desulfovibrio 3 Bacteria Proteobacteria Deltaproteobacteria MBNT15 37 Bacteria Chloroflexi Anaerolineae envOPS12 8 Bacteria Proteobacteria Deltaproteobacteria Syntrophobacterales Syntrophobacteraceae Syntrophobacter 15 Bacteria Nitrospirae Nitrospira Nitrospirales LCP 27 Bacteria Planctomycetes Phycisphaerae mle1 8 Bacteria Chloroflexi Dehalococcoidetes Dehalococcoidales Dehalococcoidaceae 13 Bacteria Chloroflexi Anaerolineae envOPS12 16 Bacteria Proteobacteria Deltaproteobacteria Desulfarculales Desulfarculaceae 5 Bacteria Chloroflexi Dehalococcoidetes Dehalococcoidales Dehalococcoidaceae 4 Bacteria Acidobacteria Acidobacteria CCU21 4 Bacteria Proteobacteria Alphaproteobacteria Ellin329 3 Archaea Euryarchaeota Thermoplasmata E2 TMEG 4 Bacteria Spirochaetes Spirochaetes Spirochaetales Spirochaetaceae Treponema 8 Bacteria Spirochaetes Spirochaetes Spirochaetales Spirochaetaceae Treponema 11 Bacteria Nitrospirae Nitrospira Nitrospirales LCP 5 Bacteria Proteobacteria Deltaproteobacteria 3 Bacteria Proteobacteria Gammaproteobacteria Methylococcales Methylococcaceae Methylomicrobium 7 Bacteria Proteobacteria Deltaproteobacteria Desulfobacterales Desulfobacteraceae Desulfococcus 6 Bacteria Proteobacteria Deltaproteobacteria Syntrophobacterales Syntrophaceae Desulfobacca 5 Bacteria Planctomycetes Phycisphaerae SHUX583 7 Archaea Crenarchaeota MBGB 15 Bacteria Proteobacteria Betaproteobacteria 9 Bacteria Proteobacteria Betaproteobacteria 6 Bacteria Planctomycetes Phycisphaerae ODP1230B3009 32 Bacteria Nitrospirae Nitrospira Nitrospirales FW 4 3 Archaea Euryarchaeota Thermoplasmata E2 DHVEG 4 Bacteria BRC1 PRR 9 Bacteria Proteobacteria Betaproteobacteria Burkholderiales Alcaligenaceae 4 Bacteria Acidobacteria Acidobacteria CCU21 9 Bacteria Spirochaetes Sediment 19 Archaea Crenarchaeota MCG pGrfC26 8 Bacteria KSB1 GW 5 Bacteria Acidobacteria Acidobacteria iii1 RB40 10 Bacteria Proteobacteria Deltaproteobacteria MBNT15 9 Bacteria Proteobacteria Deltaproteobacteria 3 Bacteria Caldithrix Caldithrixae Caldithrixales Caldithrixaceae LCP 7 Bacteria Proteobacteria Deltaproteobacteria 4 Bacteria Chloroflexi Anaerolineae GCA004 9 Bacteria Spirochaetes Sediment SJA 18 Bacteria Proteobacteria Epsilonproteobacteria Campylobacterales Helicobacteraceae Sulfuricurvum Sulfuricurvum_kujiense 6 Bacteria Proteobacteria Deltaproteobacteria Syntrophobacterales Syntrophorhabdaceae 6 Bacteria OD1 ABY1 6 Bacteria Spirochaetes Spirochaetes Spirochaetales Spirochaetaceae 6 Bacteria Spirochaetes Spirochaetes Spirochaetales Spirochaetaceae Treponema 9 Bacteria Acidobacteria Acidobacteria iii1 14 Bacteria Proteobacteria Betaproteobacteria Hydrogenophilales Hydrogenophilaceae Thiobacillus 3 Bacteria Chloroflexi Anaerolineae SBR1031 SHA 17 Bacteria Nitrospirae Nitrospira Nitrospirales LCP 7 Bacteria Proteobacteria Alphaproteobacteria Rhizobiales Hyphomicrobiaceae Rhodoplanes 3 Bacteria Proteobacteria 24 Bacteria Proteobacteria Deltaproteobacteria Syntrophobacterales Syntrophaceae Desulfobacca 6 Bacteria Acidobacteria Acidobacteria iii1 7 Bacteria Proteobacteria Deltaproteobacteria Syntrophobacterales Syntrophaceae 5 Bacteria Proteobacteria Deltaproteobacteria Myxococcales 7 Bacteria Caldithrix Caldithrixae Caldithrixales Caldithrixaceae LCP 4 Bacteria Chlorobi BSV26 C20 7 Bacteria Nitrospirae Nitrospira Nitrospirales GOUTA19 10 Bacteria Cyanobacteria Chloroplast Stramenopiles 4 Archaea Crenarchaeota MCG 4 Bacteria Chlorobi BSV26 PK329 4 Bacteria Chloroflexi Dehalococcoidetes Dehalococcoidales 8 Bacteria Chloroflexi Ellin6529 8 Bacteria Proteobacteria Betaproteobacteria Ellin6067 6 Bacteria Proteobacteria Deltaproteobacteria Desulfobacterales Desulfobacteraceae Desulfococcus 3 Bacteria Proteobacteria Betaproteobacteria 4 Bacteria Chloroflexi Ellin6529 3 Bacteria Chlorobi Ignavibacteria Ignavibacteriales Ignavibacteriaceae 7 Bacteria Bacteroidetes Bacteroidia Bacteroidales 4 Bacteria Chlorobi Ignavibacteria Ignavibacteriales Ignavibacteriaceae 8 Bacteria Bacteroidetes Bacteroidia Bacteroidales 7 Bacteria OP8 OP8_1 SHA 9 Bacteria Acidobacteria Acidobacteria iii1 4 Bacteria Firmicutes Clostridia Clostridiales Veillonellaceae 6 Bacteria Acidobacteria BPC102 MVS