Table S1 (major OTUs) BLAST Genus/ OTU Blast_Identifi- Phylum Class Order Family Sample 1 Sample 2 Sample 3 % Source Ref RDP IDs cation identity

Acidobacteria; Blastocatellia; ; ; NA 0.093 0.745 2.22 Blastocatellales; ------Acidobacteria_Gp4 Blastocatellaceae_

denovo1963 NA

RB41

Ellin6075

Acidobacteria Acidobacteria; [Chloracidobacteria] Blastocatellia; Bacteria; Acidobacteria; NA 0.467 1.397 0.905 Blastocatellales; ------Acidobacteria_Gp4 Blastocatellaceae_

denovo1096 NA

Bacteria; ; Actinobacteria; Actinobacteria; ; sediment Acidimicrobidae; Acidimicrobiales; NA 2.056 0.279 0 97 of an Acidimicrobiales;

C111 Acidimicrobiaceae; estuary Acidimicrobineae; Ilumatobacter denovo4002

Acidimicrobiia

Actinobacteria Acidimicrobiaceae genus Acidimicrobiales flumins Ilumatobacter

(Matsumoto al.,, et 2009) Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample 1 Sample 2 Sample 3 Source Ref RDP species IDs n iden-tity

Bacteria; Actinobacteria; Bacteria; Actinobacteria; subglacial Acidothermales; Actinobacteria; NA NA 0.561 0.838 0.164 97 Lake Acidothermaceae; Actinobacteridae; Sediment

denovo223 Acidothermus cellulosoliticus

(Pearse et al.,, et (Pearse 2013)

Bacteria; Actinobacteria; cryotubes Actinobacteria; Actinobacteria; at ; Actinobacteridae; NA 0.561 2.98 19.079 98 elevation Actinomycetales; of 21 to ; hoylei Micrococcineae; denovo2925

Acidimicrobiia

Actinobacteria 41 km Acidimicrobiales Intrasporangiaceae

(Shivaji et al., 2009)(Shivaji et

Intrasporangiaceae

Bacteria; Actinobacteria; Actinobacteria; antarctic Actinobacteria; Micrococcales; sandy Actinobacteridae; NA 1.215 0 0.658 100 intertidal Actinomycetales; ;

denovo395 sediments Micrococcineae;

antarctica al.,(Li 2010) et Microbacteriaceae

Microbacteriaceae Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteria; Actinobacteria; Actinobacteria; Actinobacteria; pond in Micrococcales; Actinobacteridae; McMurdo NA 2.336 1.304 0.576 ; 99 Actinomycetales; Dry Valley, Micrococcineae; Antarctica denovo3122 flavus Microbacteriaceae;unclassified

Micrococcaceae (Reddy al., 2000) et _Microbacteriaceae

ice tongue Bacteria; Actinobacteria; surface of Actinobacteria; Actinobacteria; the Micrococcales; Actinobacteridae; Hailuogou NA 7.612 1.79 0.509 Nocardioidaceae; 98 Actinomycetales; glacier in Nocardioides Propionibacterineae; Szechwan denovo3556

Acidimicrobiia

Actinobacteria glacieisoli Nocardioidaceae;

(Liu al., 2015) et Acidimicrobiales Province, Nocardioides PR China

Nocardioidaceae Bacteria; Actinobacteria; Actinobacteria; Hailuogou Actinobacteria; Micrococcales; glacier in Actinobacteridae; 1.215 0.372 0.082 Nocardioidaceae; 98 Szechwan Actinomycetales; Nocardioides province, Micrococcineae; denovo3875 Nocardioides szechwanensis PR China (Liu al., 2013) et Micrococcaceae; Arthrobacter Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteria; Actinobacteria; Actinobacteria; Actinobacteria; Geodermatophilal Actinobacteridae; NA 1.308 0.559 0.164 es; ------Actinomycetales; Geodermatophilac Micrococcineae; denovo2123 eae_NA Sporichthyaceae Micrococcaceae

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; NA 0.093 4.842 0 ------Actinobacteria; Gaiellales; Rubrobacteridae Gaiellales Gaiellaceae_NA denovo3689

Actinobacteria

Thermoleophilia

Gaiellaceae

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; Actinobacteria; NA 2.523 0.652 0 ------Gaiellales; Rubrobacteridae; Gaiellales; Gaiellaceae_NA Gaiellaceae; Gaiella denovo2010 Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; Actinobacteria; NA 0.374 1.304 0 ------Gaiellales; Rubrobacteridae; Gaiellales;

Gaiellales Gaiellaceae_NA Gaiellaceae; Gaiella Gaiellaceae denovo1087

Actinobacteria

Thermoleo-philia

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; Actinobacteria; NA NA 0.093 1.304 0 ------Gaiellales; Rubrobacteridae; Gaiellales; Gaiellaceae_NA Gaiellaceae; Gaiella denovo1281

Actinobacteria

Thermoleophilia Solirubrobacterales Actinobacteria; Thermoloephilia; Bacteria; Actinobacteria; NA NA 0 3.538 0 ------Solirubrobacterale unclassified_Actinobacteria

denovo586 s_NA Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteroidetes; Bacteria; ; Chitinophagia; ; NA 0.841 14.432 1.974 Chitinophagales; ------; Chitinophagaceae_ ;

denovo2829 NA unclassified_Chitinophagaceae

Bacteroidetes; Bacteria; Bacteroidetes; Chitinophagia; Sphingobacteriia; NA 0.561 0.279 1.809 Chitinophagales; ------Sphingobacteriales; Chitinophagaceae_ Chitinophagaceae;

denovo819

[Saprospirae]

Bacteroidetes

[Saprospirales] NA unclassified_Chitinophagaceae

Chitinophagaceae

Bacteria; ; Bacteria; Proteobacteria; Betaproteobacteri ; 1.176 0.366 0.344 ------a; Burkholderiales; unclassified_Betaproteobacteri denovo3 Oxalobacteraceae_ a NA Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteria; Proteobacteria; Deltaproteobacteri 0.197 0.924 0.156 a; ------Bacteria; unclassified_Bacteria

denovo4 Syntrophobacteral es; Syntrophaceae_NA

[Saprospirae] [Saprospirales] Bacteria;

Chitinophagaceae Proteobacteria; Gammaproteobact 0.692 0.796 0.248 ------Bacteria; unclassified_Bacteria eria; denovo5 Oceanospirillales_

Segetibacter Bacteroidetes NA

Bacteroidetes; Sphingobacteriia; Bacteria; Bacteroidetes; Sphingobacteriales Sphingobacteriia; NA 5.701 0 0.247 ; 99 soil Sphingobacteriales; Sphingobacteriace ;

denovo3996 ae; Pedobacter

Sphingobacteriia

Sphingobacteriales

Sphingobacteriaceae ruber

(Margesin (Margesin & Zhang 2013) Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Firmicutes; Bacilli; Bacteria; Acidobacteria; NA NA NA 0.935 0.559 0.247 ------Bacillales_NA Acidobacteria_Gp16; Gp16

Ellin6529

Chloroflexi

denovo1831

Cyanobacteria; Nostocales; Bacteria; NA 0 0.093 2.138 Nostocaceae; 98 -- -- /Chloroplast; Anabaena Cyanobacteria; Family I; GpI denovo872 cylindrica

Nostocales

Nostocaceae

Cyanobacteria

Nostocophycideae Cyanobacteria; Nostocales; Bacteria; 0 0 15.049 Nostocaceae; 99 -- -- Cyanobacteria/Chloroplast;

Nostoc Nostoc Cyanobacteria; Family I; GpI denovo741 punctiforme Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Antarctica Cyanobacteria; : James Oscillatoriophycide Ross Bacteria; ae; Oscillatoriales; Island, 3.271 2.235 0 100 Cyanobacteria/Chloroplast; Phormidiaceae; Lake Cyanobacteria

denovo310 Phormidium Phormidiu

Phormidium

Oscillatoriales

Cyanobacteria Phormidiaceae autumnale m,

Oscillatoriophycideae sediment (Strunecký et al., 2012)

Gemmatimonadet es; NA NA 0 1.397 0 ------Bacteria; unclassified_Bacteria Gemmatimonadale

N1423WL s_NA denovo1054

Gemmatimonadetes

Gemmatimonadetes

Proteobacteria; Alphaproteobacter Bacteria; Proteobacteria; ia; Alphaproteobacteria; antarctic 1.589 0.186 0.329 Caulobacterales; 100 Caulobacterales; NA soils Caulobacteraceae; Caulobacteraceae; denovo432 Brevundimonas Brevundimonas

Proteobacteria

Caulobacterales

Caulobacteraceae

Alphaproteobacteria vesicularis

(Matvieieva et al., 2017) et (Matvieieva Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Proteobacteria; Bacteria; Proteobacteria; Alphaproteobacter Alphaproteobacteria; ia; lagoon Rhodobacterales; NA 0.748 0 0.576 Rhodobacterales; 100 sediments Rhodobacteraceae; Rhodobacteraceae unclassified_Rhodobacteraceae denovo2067 ; Rhodobacter

Rhodobacterales

Rhodobacteraceae

sediminis (Subhash al., 2017) et

Proteobacteria; Alphaproteobacter Bacteria; Proteobacteria; ia; Alphaproteobacteria; Sphingomonadales freshewat Sphingomonadales; NA 2.804 0.745 0.987 ; 99 er, Sphingomonadaceae; Sphingomonadace sediments unclassified_Sphingomonadace denovo1395

(Li et al.,(Li 2012) et

Proteobacteria ae; ae

Alphaproteobacteria Novosphingobium stygium

Bacteria; Proteobacteria;

Sphingomonadales Alphaproteobacter Bacteria; Proteobacteria;

Sphingomonadaceae ia; Alphaproteobacteria; 7.196 0.931 1.316 Sphingomonadales 100 road soil Sphingomonadales; ; Sphingomonadaceae;

denovo3743 Kaistobacter Sphingomonadace Sphingomonas

(Du al.,, et 2015) ae; Sphingomonas flava Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteria; Proteobacteria; Alphaproteobacter Bacteria; Actinobacteria; ia; 1.055 0.239 0.371 ------Actinobacteria; Sphingomonadales

denovo6 unclassified_Actinobacteria ;

Novosphingobium Sphingomonadace ae_NA

Bacteria; Proteobacteria;

Sphingomonadales

Alphaproteobacteria Alphaproteobacter Bacteria; Proteobacteria;

Sphingomonadaceae ia; Alphaproteobacteria; 0.093 0.093 1.809 Sphingomonadales 99 seawater Sphingomonadales; ; Sphingomonadaceae;

denovo3521

Sphingomonas Proteobacteria Sphingomonadace Sphingomonas

(Kim et al., 2006) (Kim et ae; Sphingomonas echinoides

Proteobacteria; Bacteria; Proteobacteria; Betaproteobacteri Betaproteobacteria; a; Burkholderiales; Burkholderiales; NA 4.112 1.49 4.03 99 -- Comamonadaceae Comamonadaceae; ; Polaromonas unclassified_Comamonadaceae denovo3901

Burkholderiales jejuensis

(Weon et al., 2008) (Weon et

Comamonadaceae

Betaproteo-bacteria Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Proteobacteria; Bacteria; Proteobacteria; Betaproteobacteri Betaproteobacteria; a; Burkholderiales; NA 1.028 1.117 0.987 100 -- -- Burkholderiales;Co Comamonadaceae; mamonadaceae;Ac unclassified_Comamonadaceae denovo3486

Burkholderiales idovorax konjaci

Comamonadaceae

Bacteria; Proteobacteria; Bacteria; Proteobacteria; Betaproteobacteri Betaproteobacteria; a; 6.168 0 0 99 -- Methylophilales; ; ;

denovo744 Methylophilaceae;

Proteobacteria unclassified_Methylophilaceae

Methylophilales

Methylophilaceae Methylotenera

Betaproteobacteria

Methyloteneramobilis

versatilis al.,, 2010)et (Martineau

Proteobacteria; Betaproteobacteri Bacteria; Proteobacteria; NA NA 0.561 0.931 0.411 a; ------unclassified_Proteobacteria

SC-I-84 Burkholderiales_N

denovo3372 A Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Proteobacteria; Bacteria; Proteobacteria; Gammaproteobact ; eria; eutrophic ; NA 2.15 0.838 0.082 Xanthomonadales; 97 reseorvior ; Xanthomonadacea unclassified_Xanthomonadacea denovo3578 e; Arenimonas (Huy al., 2013) et e daechungensis

Proteobacteria; Gammaproteobact Bacteria; Proteobacteria; eria; Gammaproteobacteria; NA 1.589 0.372 0.411 Xanthomonadales; 99 -- -- Xanthomonadales; Xanthomonadacea Xanthomonadaceae;

denovo836

Proteobacteria e; Pseudomonas Stenotrophomonas

Xanthomonadales

Xanthomonadaceae gengulata

Gammaproteobacteria

Proteobacteria; Gammaproteobact Bacteria; Proteobacteria; eria; drinking Gammaproteobacteria; Xanthomonadales; NA 0.561 0.559 0.082 100 water Xanthomonadales; Xanthomonadacea network Xanthomonadaceae; e; Arenimonas; denovo4056 Arenimonas Arenimonas subflava

(Nemes-Barnás et al., 2015) Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteria; Bacteria; Proteobacteria; Proteobacteria; Gammaproteobacteria; Gammaproteobact Xanthomonadales; 0.107 0.382 1.375 eria; ------Xanthomonadaceae;

denovo8 Xanthomonadales;

Dokdonella unclassified_Xanthomonadacea Rhodanobacterace e ae_NA

Bacteria;

Proteobacteria Proteobacteria; Bacteria; Proteobacteria;

Xanthomonadales

Xanthomonadaceae

Gammaproteobacteria Gammaproteobact Gammaproteobacteria; eria; soil of a Xanthomonadales; 1.869 0.466 0.329 99 Xanthomonadales; coal mine Xanthomonadaceae; Xanthomonadacea unclassified_Xanthomonadacea denovo1783

Thermomonas

e; Thermomonas al., 2014)(Wang et e carbonis

Bacteria; ; Bacteria; Verrucomicrobia; Spartobacteria; Spartobacteria; 0.187 0.652 0.164 Chthoniobacterale ------Spartobacteria_genera_incerta s; e_sedis denovo3390 Chthoniobacterace

Chthoniobacter

[Spartobacteria]

Verrucomicrobia

[Chthoniobacterales] ae_NA

[Chthoniobacteraceae] Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteria; Verrucomicrobia; Bacteria; Verrucomicrobia; Spartobacteria; Spartobacteria; 0 2.142 0.247 Chthoniobacterale ------Spartobacteria_genera_incerta s; e_sedis denovo1008 Chthoniobacterace ae_NA

DA101

Bacteria; [Spartobacteria] Verrucomicrobia;

[Chthoniobacterales]

[Chthoniobacteraceae] Bacteria; Verrucomicrobia; Spartobacteria; Spartobacteria; 0 1.397 0 Chthoniobacterale ------Spartobacteria_genera_incerta s;

denovo995 e_sedis Chthoniobacterace

Verrucomicrobia ae_NA

Bacteria; Verrucomicrobia; Bacteria; Verrucomicrobia; Verrucomicrobiae; Verrucomicrobiae; Verrucomicrobiale arctic 1.495 0.931 0 99 Verrucomicrobiales; s; tundra soil Verrucomicrobiaceae; Verrucomicrobiace denovo2716 Luteolibacter Luteolibacter

(Jiang et al., 2012) et (Jiang

Verrucomicrobiae ae; Luteolibacter

Verrucomicrobiales Verrucomicrobiaceae luojiensis Genus/ OTU_ Blast_Identificatio BLAST % Phylum Class Order Family Sample1 Sample2 Sample3 Source Ref RDP species IDs n iden-tity

Bacteria; Verrucomicrobia; Bacteria; Verrucomicrobia; Verrucomicrobiae; Verrucomicrobiae; Verrucomicrobiale arctic 0.748 0.838 0 99 Verrucomicrobiales; s; tundra soil Verrucomicrobiaceae;

denovo901 Verrucomicrobiace Luteolibacter Luteolibacter

Verrucomicrobia

(Jiang et al., 2012) et (Jiang

Verrucomicrobiae ae; Luteolibacter

Verrucomicrobiales Verrucomicrobiaceae luojiensis Table S1 (sequences of major representative OTUs) OTU ID Rep_Sequence TACGTAGGGACCAAGCGTTGTTCGGATTTACTGGGCGTAAAGGGCGCGTAGGCGGCGTGACAAGTCACTTGTGAAATCTCCGGGCTTAACTCGG denovo1963 AACGGTCAAGTGATACTGTTGTGCTAGAGTACAGAAGGGGCAATCGGAATTCTTGGTGTAGCGGTGAAATGCGTAGATATCAAGAGGAACACCA GAGGCGAAGGCGGATTGCTAGGCTGATACTGACGCTGAGGCGCGAAAGCTAGGGTAGCAAACGGG TACGTAGGGACCAAGCGTTGTTCGGATTTACTGGGCGTAAAGGGCGCGTAGGCGGCTTGACAAGTCACTTGTGAAATCTCTGGGCTTAACCCAGA denovo1096 ACGGCCAAGTGAAACTGTCATGCTAGAGTGCAGAAGGGGCAATCGGAATTCTTGGTGTAGCGGTGAAATGCGTAGATATCAAGAGGAACACCTG AGGTGAAGACGGGTTGCTGGGCTGACACTGACGCTGAGGCGCGAAAGCCAGGGGAGCAAACGGG CACGTAGGCACCAAGCGTTATCCGGATTTATTGGGCGTAAAGAGCTCGTAGGCGGTTTGGTAAGTCGGGTGTGAAAACTCTGGGCTCAACCCAGA denovo4002 GAGGCCACTCGATACTGCTATGACTAGAGTACGGTAGGGGAGCGGGGAATTCATGGTGTAGCGGTGAAATGCGCAGATATCATGAGGAACACCA GCGGCGAAGGCGCCGCTCTGGGCCGTAACTGACGCTGAGGAGCGAAAGCATGGGTAGCAAACAGG TACGTAGGGTGCAAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCTCGTAGGCGGTCTGTCGCGTCGGATGTGAAAATCCAGGGCTCAACCCTG denovo223 GACCTGCATTCGATACGGGCAGACTAGAGTTCGGTAGGGGAGACTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCG GTGGCGAAGGCGGGTCTCTGGGCCGAAACTGACGCTGAGGAGCGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCAAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCTTGTAGGCGGTTTGTCGCGTCTGCTGTGAAATTTCGGGGCTCAACCCCGA denovo2925 ACTTGCAGTGGGTACGGGCAGACTAGAGTGTGGTAGGGGAGACTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCG ATGGCGAAGGCAGGTCTCTGGGCCACTACTGACGCTGAGAAGCGAAAGCATGGGGAGCGAACAGG TACGTAGGGTGCAAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCTCGTAGGCGGTTTGTCGCGTCTGCTGTGAAATCCGGAGGCTCAACCTCCG denovo395 GCCTGCAGTGGGTACGGGCAGACTAGAGTGCGGTAGGGGAGATTGGAATTCCTGGTGTAGCGGTGGAATGCGCAGATATCAGGAGGAACACCA ATGGCGAAGGCAGATCTCTGGGCCGTAACTGACGCTGAGGAGCGAAAGCATGGGGAGCGAACAGG TACGTAGGGCGCAAGCGTTATCCGGAATTATTGGGCGTAAAGAGCTCGTAGGCGGTTTGTCGCGTCTGCCGTGAAAGTCCGGGGCTTAACCCCGG denovo3122 ATCTGCGGTGGGTACGGGCAGACTTGAGTGATGTAGGGGAGACTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCG ATGGCGAAGGCAGGTCTCTGGGCATTAACTGACGCTGAGGAGCGAAAGCATGGGGAGCGAACAGG TACGTAGGGTGCGAGCGTTGTCCGGAATTATTGGGCGTAAAGGGCTCGTAGGCGGTTTGTCGCGTCGGGAGTGAAAACCATGAGCTTAACTCAT denovo3556 GGCTTGCTTTCGATACGGGCAGACTAGAGGTATGCAGGGGAGAACGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACC GGTGGCGAAGGCGGTTCTCTGGGCATTACCTGACGCTGAGGAGCGAAAGTGTGGGGAGCGAACAGG TACGTAGGGTGCGAGCGTTGTCCGGAATTATTGGGCGTAAAGGGCTCGTAGGCGGTTTGTCGCGTCGGGAGTGAAAACACCGGGCTTAACTCGG denovo3875 TGCTGGCTTCCGATACGGGCAGACTAGAGGTATTCAGGGGAGAACGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCG GTGGCGAAGGCGGTTCTCTGGGAATTACCTGACGCTGAGGAGCGAAAGTGTGGGGAGCGAACAGG TACGTAGGGTGCAAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCTCGTAGGCGGTTTGTCGCGTCGGCTGTGAAATCTCGGGGCTCAACCCCGA denovo2123 GCCTGCAGTCGATACGGGCAGACTAGAGTGCTGTAGGGGAGACTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCG GTGGCGAAGGCGGGTCTCTGGGCAGTAACTGACGCTGAGGAGCGAAAGCGTGGGGAGCGAACAGG OTU ID Rep_Sequence TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCGTGTAGGCGGCTAGATAGGTCCGTTGTGAAAACTCGAGGCTCAACCTCG denovo3689 AGACGTCGATGGAAACCATCTGGCTAGAGTCCGGAAGAGGAGAGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACCC GTGGCGAAGGCGGCTCTCTGGTACGTGACTGACGCTGAGACGCGAAAGCGTGGGGAGCAAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCGTGTAGGCGGCCGCACAGGTCCGTTGTGAAAACTGGAGGCTTAACCTTC denovo2010 AGACGTCGATGGAAACCGTGCGGCTAGAGTCCGGAAGAGGAGAATGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACC CGTGGCTAAGGCGGTTCTCTAGTACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCAAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTACTGGGCGTAAAGAGCGTGTAGGCGGCAAAGCAGGTCTGTTGTGAAAACTGGAGGCTCAACCTCC denovo1087 AGACGTCGACAGAAACCGCTTGGCTAGAGTCCGGAAGAGGAGAGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACC AATGGCGAAGGCAGCTCTCTGGGACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGCGCGTGTAGGCGGCCAGATAAGTCCGCTGTGAAAACTCGAAGCTCAACTTCG denovo1281 AGCTGTCGGTGGAAACTATTTGGCTAGAGTCCGGAAGAGGAGAGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACCC GTGGCGAAGGCGGCTCTCTGGTACGGAACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGGGCAAGCGTTGTCCGGAATCATTGGGCGTAAAGCGCGCGTAGGCGGCCCGGTAAGTCCGCTGTAAAAGTCAAAGGCTCAACCTTT denovo586 GAATGCCGGTGGATACTGTCGGGCTAGAGTCCGGAAGAGGCGAGTGGAATTCCTGGTGTAGCGGTGGAATGCGCAGATATCAGGAGGAACACC AATAGCGAAGGCAGCTCGCTGGGACGGTACTGACGCTAAGGCGCGAAAGCGTGGGGAGCAAACAGG TACGGAGGGTGCAAGCGTTATCCGGATTCACTGGGTTTAAAGGGTGCGTAGGCGGGCAGGTAAGTCCGTGGTGAAATCTCTGAGCTTAACTCAG denovo2829 AAACTGCCATGGATACTATTTGTCTTGAATATTGTGGAGGTAAGCGGAATATGTCATGTAGCGGTGAAATGCTTAGATATGACATAGAACACCAAT TGCGAAGGCAGCTTACTACACAGTTATTGACGCTGAGGCACGAAAGCGTGGGGATCAAACAGG TACGGAGGGTGCAAGCGTTATCCGGATTTACTGGGTTTAAAGGGTGCGTAGGTGGGTAGGTAAGTCAGTGGTGAAATCTTCAAGCTTAACTTGGA denovo819 AACTGCCATTGATACTATTTATCTTGAATACTTTGGAGGTAAGCGGAATATGTCATGTAGCGGTGAAATGCTTAGATATGACATAGAACACCAATT GCGAAGGCAGCTTACTACACAGTTATTGACACTGAGGCACGAAAGCGTGGGGATCAAACAGG TACGTAGGGTGCGAGCGTTAATCGGAATTACTGGGCGTAAAGCGTACGCAGGCGGCTTTGCAAGACAGGTGTGAAATCCCCGGGCCTAACCTGG denovo3 GAACTGCATTTGTGACTGCATGGCTAGAGTTTGTCAGAGGGGGGTGGAATTCCACGTGTAGCAGTGAAATGCGTAGATATGTGGAGGAACACCG ATGGCGAAGGCAGCCCCCTGGGATGTGACTGACGCTCATGTACGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCAAGCGTTGCTCGGAATCATTGGGCGTAAAGAGCGTGTGGGTGGCTAGATAAGTCGGATGTGAAATCCCTCGGCTCAACCGAG denovo4 GAAGTGCATTCGAAACTATCTAGCTCGAGGATGGCAGAGGAAGGTGGAATTCCTAGTGTAGAGGTGAAATTCGTAGATATTAGGAGGAATACCG GTGGCGAAGGCGGCCTTCTGGACCATTCCTGACACTGAGACGCGAAAGCGTGGGTAGCAAACAGG TACGTAGGGTGCAAGCGTTGTCCGGAATTACTGGGCGTAAAGAGTGCGTAGGTGGTTTAATAAGTCAGATGTGAAATCCCCGGGCTCAACCTGG denovo5 GAACTGCATTTGAAACTGTTAAGCTAGAGTACGGTAGAGGGAAGTGGAATTTCCGGTGTAGCGGTGAAATGCGTAGATATCGGAAGGAACATCA GTGGCGAAGGCGACTTCCTGGACCGCAACTGACACTGAGGCACGAAAGCGTGGGGAGCAAACAGG OTU ID Rep_Sequence TACGGAGGATCCAAGCGTTATCCGGATTTATTGGGTTTAAAGGGTGCGTAGGCGGCCTATTAAGTCAGGGGTGAAAGACGGTGGCTCAACCATC denovo3996 GCAGTGCCTTTGATACTGATAGGCTTGATTACACTTGAGGTAGGCGGAATGTGACAAGTAGCGGTGAAATGCATAGATATGTCACAGAACACCAA TTGCGAAGGCAGCTTACTAAGGTGTTAATGACGCTGAGGCACGAAAGCGTGGGGATCAAACAGG TACGTAGGTGGCAAGCGTTGTCCGGATTTACTGGGCGTAAAGAGCGCGCAGGCGGTCGTTCAAGTCGCGTGTGAAAGCCCCCGGCTCAACTGGG denovo1831 GAGGGTCACGCGATACTGATCGACTCGAAGGCAGGAGAGGGTAGTGGAATTCCCGGTGTAGTGGTGAAATGCGTAGATATCGGGAGGAACACC AGTGGCGAAGGCGACTACCTGGCCTGTTCTTGACGCTGAGGCGCGAAAGCTAGGGGAGCAAACGGG TACGGAGGATGCAAGCGTTATCCGGAATGATTGGGCGTAAAGGGTCCGCAGGTGGCAATGTAAGTCTGCTGTTAAAGAGTCATGCTTAACATGAT denovo872 AAGAGCAGTGGAAACTACATAGCTAGAGTACGTTCGGGGCAGAGGGAATTCCTGGTGTAGCGGTGAAATGCGTAGATATCAGGAAGAACACCG GTGGCGAAAGCGCTCTGCTAGGCCGTAACTGACACTGAGGGACGAAAGCTAGGGGAGCGAATGGG TACGGAGGATGCAAGCGTTATCCGGAATGATTGGGCGTAAAGCGTCCGCAGGTGGCAATGTAAGTCTGCTGTTAAAGAGTCTAGCTCAACTAGAT denovo741 AAGAGCAGTGGAAACTACATAGCTAGAGTACGTTCGGGGCAGAGGGAATTCCTGGTGTAGCGGTGAAATGCGTAGAGATCAGGAAGAACACCA GTGGCGAAGGCGCTCTGCTAGGCCGTAACTGACACTGAGGGACGAAAGCTAGGGGAGCGAATGGG GACGGAGGATGCAAGCGTTATCCGGAATGATTGGGCGTAAAGCGTCCGCAGGTGGCAGTTCAAGTCTGCTGTCAAAGACCGGGGCTTAACTTCG denovo310 GAAAGGCAGTGGAAACTGAACAGCTAGAGTATGGTAGGGGCAGAGGGAATTCCTGGTGTAGCGGTGAAATGCGTAGAGATCAGGAAGAACATC GGTGGCGAAGGCGCTCTGCTGGACCATAACTGACACTCAGGGACGAAAGCTAGGGGAGCGAATGGG TACGGGGGTGCGAGCGTTGTCCGGAATCACTGGGCGTAAAGGGCGCGTAGGTGGTCTGATAAGGGTGTGGTGAAAGTCCGGGGCTCAACCCCG denovo1054 GATCTGCCGTGCCGACTGTCAGACTCGAGGACTGTAGAGGCAGGCGGAATTCCGGGTGTAGCGGTGGAATGCGTAGAGATCCGGAGGAAGACC GGTGGCGAAGGCGGCCTGCTGGGCAGTTACTGACACTGAGGCGCGACAGCGTGGGGAGCAAACAGG TACGAAGGGGGCTAGCGTTGCTCGGAATTACTGGGCGTAAAGGGAGCGTAGGCGGACATTTAAGTCAGGGGTGAAATCCCGGGGCTCAACCTCG denovo432 GAATTGCCTTTGATACTGGGTGTCTTGAGTATGAGAGAGGTGTGTGGAACTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCAG TGGCGAAGGCGACACACTGGCTCATTACTGACGCTGAGGCTCGAAAGCGTGGGGAGCAAACAGG TACGGAGGGGGCTAGCGTTGTTCGGAATTACTGGGCGTAAAGCGCACGTAGGCGGATCAGAAAGTCAGAGGTGAAATCCCAGGGCTCAACCTTG denovo2067 GAACTGCCTTTGAAACTCCTGGTCTTGAGGTCGAGAGAGGTGAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAGGAACACCA GTGGCGAAGGCGGCTCACTGGCTCGATACTGACGCTGAGGTGCGAAAGCGTGGGGAGCAAACAGG TACGGAGGGAGCTAGCGTTGTTCGGAATTACTGGGCGTAAAGCGTACGTAGGCGGTTATTCAAGTCAGAGGTGAAAGCCCGGGGCTCAACCCCG denovo1395 GAACGGCCTTTGAAACTAGGTAGCTAGAGTCTTGGAGAGGTTAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCA GTGGCGAAGGCGACTAACTGGACAAGTACTGACGCTGAGGTACGAAAGCGTGGGGAGCAAACAGG TACGGAGGGGGCTAGCGTTGTTCGGAATTACTGGGCGTAAAGCGCGCGTAGGCGGCTTTGTAAGTTAGAGGTGAAAGCCCGGAGCTCAACTCCG denovo3743 GAATTGCCTTTAAGACTGCATCGCTAGAATCATGGAGAGGTGAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCAG TGGCGAAGGCGACTCACTGGACATGTATTGACGCTGAGGTGCGAAAGCGTGGGGAGCAAACAGG OTU ID Rep_Sequence CACGTAGGGGGCGAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCTCGTAGGCGGTTCCGTCAGTCGGGTGTGAAAACTCTGGGCTCAACCCAG denovo6 AGACGCCACCCGATACTGCGGTGACTAGAGTCCGGTAGGGGAGTGCGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACC AACGGCGAAGGCAGCACTCTGGGCCGGTACTGACGCTGAGGAGCGAAAGCGTGGGGAGCGAACAGGATTAGATAGCCGTGTAGT TACGGAGGGAGCTAGCGTTATTCGGAATTACTGGGCGTAAAGCGCACGTAGGCGGCTTTGTAAGTTAGAGGTGAAAGCCTGGAGCTCAACTCCA denovo3521 GAACTGCCTTTAAGACTGCATCGCTTGAATCCAGGAGAGGTGAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCAG TGGCGAAGGCGGCTCACTGGACTGGTATTGACGCTGAGGTGCGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCGAGCGTTAATCGGAATTACTGGGCGTAAAGCGTGCGCAGGCGGTTATATAAGACAGTTGTGAAATCCCCGGGCTCAACCTGG denovo3901 GAATTGCATCTGTGACTGTATAGCTAGAGTACGGTAGAGGGGGATGGAATTCCGCGTGTAGCAGTGAAATGCGTAGATATGCGGAGGAACACCG ATGGCGAAGGCAATCCCCTGGACCTGTACTGACGCTCATGCACGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCAAGCGTTAATCGGAATTACTGGGCGTAAAGCGTGCGCAGGCGGTGATGTAAGACAGATGTGAAATCCCCGGGCTCAACCTGG denovo3486 GAACTGCATTTGTGACTGCATCGCTGGAGTGCGGCAGAGGGGGATGGAATTCCGCGTGTAGCAGTGAAATGCGTAGATATGCGGAGGAACACCG ATGGCGAAGGCAATCCCCTGGGCCTGCACTGACGCTCATGCACGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCGAGCGTTAATCGGAATTACTGGGCGTAAAGCGTGCGCAGGCGGTTTTGTAAGTCAGATGTGAAATCCCCGAGCTCAACTTGG denovo744 GAACTGCGTTTGAAACTACAAGACTAGAATAGGTCAGAGGGGGGTAGAATTCCACGTGTAGCAGTGAAATGCGTAGAGATGTGGAGGAATATCA ATGGCGAAGGCAGCCCCCTGGGATCATATTGACGCTCATGCACGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCGAGCGTTAATCGGAATTACTGGGCGTAAAGCGTGCGCAGGCGGTTTGTTAAGTCTGATGTGAAAGCCCCGGGCTCAACCTGG denovo3372 GAATGGCATTGGAAACTGGCAAGCTTGAGTATGGCAGAGGGGGGTGGAATTCCGCGTGTAGCAGTGAAATGCGTAGAGATGCGGAGGAACACC GATGGCGAAGGCAGCCCCCTGGGCCAATACTGACGCTCAGGCACGAAAGCGTGGGGAGCAAACAGG TACGAAGGGTGCAAGCGTTACTCGGAATTACTGGGCGTAAAGCGTGCGTAGGCGGTTTGTTAAGTCTGTCGTGAAAGCCCCGGGCTCAACCTGG denovo3578 GAATGGCGATGGAAACTGGCGAGCTAGAGTACGGTAGAGGAGAGTGGAATTCCCGGTGTAGCAGTGAAATGCGTAGAGATCGGGAGGAACATC AGTTGCGAAGGCGGCTCTCTGGACCAGTACTGACGCTGAGGCACGAAAGCGTGGGGAGCAAACAGG TACGAAGGGTGCAAGCGTTACTCGGAATTACTGGGCGTAAAGCGTGCGTAGGTGGTCGTTTAAGTCCGTTGTGAAAGCCCTGGGCTCAACCTGG denovo836 GAACTGCAGTGGATACTGGGCGACTAGAGTGTGGTAGAGGGTAGCGGAATTCCTGGTGTAGCAGTGAAATGCGTAGAGATCAGGAGGAACATC CATGGCGAAGGCAGCTACCTGGACCAACACTGACACTGAGGCACGAAAGCGTGGGGAGCAAACAGG TACGAAGGGTGCAAGCGTTACTCGGAATTACTGGGCGTAAAGCGTGCGTAGGTGGTGCGTTAAGTCTGTCGTGAAATCCCCGGGCTCAACCTGG denovo4056 GAATGGCGATGGATACTGGCGCGCTAGAGTGAGGTAGAGGAGAGTGGAATTCCCGGTGTAGCAGTGAAATGCGTAGAGATCGGGAGGAACATC AGTTGCGAAGGCGGCTCTCTGGACCATCACTGACACTGAGGCACGAAAGCGTGGGGAGCAAACAGG TACAGGGGGGCAAGCGTTGTTCGGAATTACTGGGCGTAAAGGGCTCGTAGGCGGCCAACTAAGTCCGACGTGAAATCCCAAAGCTTAACTTTGG denovo8 AACTGCGTCGGATACTGGATGGCTTGAATTCGGGAGAGGGATGCAGAATTCCAGGTGTAGCGGTGAAATGCGTAGATATCTGGAGGAATACCGG TGGCGAAGGCGGCATCCTGGACCGACATTGACGCTGAGGAGCGAAAGCTAGGGGAGCAAACGGG OTU ID Rep_Sequence TACGAAGGGTGCAAGCGTTACTCGGAATTACTGGGCGTAAAGCGTGCGTAGGTGGTTTGTTAAGTCTGATGTGAAAGCCCTGGGCTCAACCTGG denovo1783 GAATGGCATTGGATACTGGCGAGCTAGAGTGCGGTAGAGGGTAGTGGAATTCCCGGTGTAGCAGTGAAATGCGTAGAGATCGGGAGGAACATC TGTGGCGAAGGCGACTACCTGGACCAGCACTGACACTGAGGCACGAAAGCGTGGGGAGCAAACAGG TACAGAGGTCTCAAGCGTTGTTCGGATTCATTGGGCGTAAAGGGTGCGTAGGTGGCGGGGTAAGTCTGGTGTGAAATCTCGGGGCTCAACCCCG denovo3390 AAACTGCACTGGATACTGCCTTGCTTGAGTACTGGAGAGGAGATTGGAATTTACGGTGTAGCAGTGAAATGCGTAGATATCGTAAGGAAGACCA GTGGCGAAGGCGAATCTCTGGACAGTTACTGACACTGAGGCACGAAGGCCAGGGGAGCAAACGGG TACAGAGGTCCCAAGCGTTGTTCGGATTCATTGGGCGTAAAGGGTGCGTAGGTGGCGTGGTAAGTCGGGTGTGAAATTTCGGAGCTTAACTCCG denovo1008 AAACTGCATTCGATACTGCCGTGCTTGAGGACTGGAGAGGAGACTGGAATTTACGGTGTAGCAGTGAAATGCGTAGAGATCGTAAGGAAGACCA GTGGCGAAGGCGGGTCTCTGGACAGTTCCTGACACTGAGGCACGAAGGCTAGGGGAGCAAACGGG TACAGAGGTCCCAAGCGTTGTTCGGATTCATTGGGCGTAAAGGGTGCGTAGGTGGCGCCGTAAGTGGGGTGTGAAATTTCGGAGCTTAACTCCG denovo995 AAACTGCATTCCATACTGCGGTGCTTGAGGACTGGAGAGGAGACTGGAATTCATGGTGTAGCAGTGAAATGCGTAGAGATCATGAGGAAGACCA GTGGCGAAGGCGGGTCTCTGGACAGTTCCTGACACTGAGGCACGAAGGCCAGGGGAGCAAACGGG TACGAAGGTCCCAAGCGTTGTTCGGAATCACTGGGCGTAAAGGGAGCGTAGGCGGCGTGGTAAGTCAGATGTGAAATCCCGGGGCTCAACCCCG denovo2716 GAACTGCATCCGATACTGCCATGCTAGAGGATTGGAGAGGTAGCTGGAATTCTTGGTGTAGCAGTGAAATGCGTAGAGATCAAGAGGAACACTC GTGGCGAAAGCGAGCTACTGGACAATTCCTGACGCTGAGGCTCGAAGGCTAGGGTAGCGAAAGGG TACGAAGGTCCCAAGCGTTGTTCGGAATCACTGGGCGTAAAGGGAGCGTAGGCGGCGCGGTAAGTCGGATGTGAAATCCCGGGGCTCAACCCCG denovo901 GAACTGCATCTGATACTGCCGTGCTTGAGTAATGGAGGGGTAGCTGGAATTCTCGGTGTAGCAGTGAAATGCGTAGATATCGAGAGGAACACTC GTGGCGAAAGCGAGCTACTGGACATTTACTGACGCTGAGGCTCGAAGGCTAGGGGAGCGAAAGGG Table S1 (minor OTUs) BLAST Genus/ OTU Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identifi-cation Source Ref RDP species IDs 3 identi- ty

Bacteria; Bacteria; Acidobacteria; 0 0.466 0 ------

NA

NA

RB41 Acidobacteria NA Acidobacteria_Gp4; Gp4

denovo3361

Acidobacteria

[Chloracidobacteria]

Bacteria; Bacteria; Actinobacteria; Actinobacteria; Actinobacteria; Acidimicrobidae; Acidimicrobiia; seashore Acidimicrobiales; 0.654 0 0 Acidimicrobiales; 99

NA

C111 sand Acidimicrobineae; Acidimicrobiaceae; Acidimicrobiaceae; denovo2370 Ilumatobacter Ilumatobacter nonamiensis

(Matsumoto et al. 2013)(Matsumoto al. et

Acidimicrobiia

Actinobacteria Acidimicrobiales Bacteria; Bacteria; Actinobacteria; Actinobacteria; Actinobacteria; Actinobacteridae; subarctiс 0 0.745 0.082 Kineosporiales; 100 Actinomycetales; NA NA forest soil ; Kineosporiineae;

denovo1095 Angustibacter luteus Kineosporiaceae

(Tamura 2010) al. et BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Bacteria; Actinobacteria; Actinobacteria; Actinobacteria; Actinobacteridae; Micrococcales; Actinomycetales; 0.212 0.05 0.491 98 seawed Intrasporangiaceae; Micrococcineae;

denovo713

Phycicoccus jejuensis Intrasporangiaceae ;

(Yoon et al. 2008)(Yoon al. et unclassified_Intrasporangiaceae

Intrasporangiaceae

Actinobacteria; Bacteria; Actinobacteria; Propionibacteriales; Actinobacteria; Actinobacteridae; dried 0.464 0.185 0.009 Nocardioidaceae; 99 Actinomycetales; seaweed Aeromicrobium Propionibacterineae;

denovo826

Acidimicrobiia

Actinobacteria tamlense Nocardioidaceae Aeromicrobium

Acidimicrobiales

(Lee & (Lee 2007) Kim

Nocardioidaceae sand Actinobacteria; Bacteria; Actinobacteria; sediment Propionibacteriales; Actinobacteria; Actinobacteridae; of the 0.841 0 0 Nocardioidaceae; 99 Actinomycetales; beach, Nocardioides Propionibacterineae; South denovo3875 Nocardioides dokdonensis Nocardioidaceae; Nocardioides Korea (Park 2008) al. et BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

0 0.652 0 Actinobacteria NA ------Bacteria; unclassified_Bacteria

NA NA

denovo787

0.187 0.279 0 Actinobacteria NA ------Bacteria; unclassified_Bacteria

NA NA

0319-7L14

MB-A2-108

denovo2438

Actinobacteria

0 0.466 0 Actinobacteria NA ------Bacteria; unclassified_Bacteria

NA NA

denovo2470 BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; 0 0.745 0 ------Actinobacteria; NA Gaiellales; unclassified_Actinobacteria Gaiellaceae NA denovo1122

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; 0 0.466 0 ------Actinobacteria; Rubrobacteridae; NA Gaiellales; Gaiellales; Gaiellaceae; Gaiella

Gaiellales

Gaiellaceae Gaiellaceae NA denovo3991

Actinobacteria

Thermoleophilia

Actinobacteria; Thermoloephilia; 0 0.372 0 ------Bacteria; unclassified_Bacteria NA Gaiellales; Gaiellaceae NA denovo2547 BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; 0 0.186 0 ------Actinobacteria; Rubrobacteridae; NA Gaiellales; Gaiellales; Gaiellaceae; Gaiella Gaiellaceae NA denovo2728

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; 0 0.186 0 ------Actinobacteria; Rubrobacteridae; NA Gaiellales; Gaiellales; Gaiellaceae; Gaiella

Gaiellales

Gaiellaceae Gaiellaceae NA denovo2610

Actinobacteria

Thermoleophilia

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; 0.093 0 0 ------Actinobacteria; Rubrobacteridae; NA Gaiellales; unclassified_Rubrobacteridae Gaiellaceae NA denovo3934 BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Actinobacteria; Bacteria; Actinobacteria; Thermoloephilia; 0.093 0 0 ------Actinobacteria; Rubrobacteridae; NA Gaiellales; Gaiellales; Gaiellaceae; Gaiella

Gaiellales

Gaiellaceae Gaiellaceae NA denovo2613

Actinobacteria Thermoloephilia Actinobacteria; Thermoleophilia; Bacteria; Actinobacteria; 0.093 0.559 0.082 ------NA NA Solirubrobacterales unclassified_Actinobacteria NA denovo2480

Solirubrobacterales

Bacteria; Bacteroidetes; Bacteroidetes; Sphingobacteriia; Chitinophagia; 0 0.372 0.082 ------Sphingobacteriales; NA Chitinophagales; Chitinophagaceae; Chitinophagaceae NA denovo1169

[Saprospirae] Bacteroidetes unclassified_Chitinophagaceae [Saprospirales]

Chitinophagaceae BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Bacteroidetes; Bacteria; Bacteroidetes; Cytophagia; Cytophagia; ; 0.28 0 0 ------NA Cytophagales; Cyclobacteriaceae;

denovo628 Cyclobacteriaceae NA unclassified_Cyclobacteriaceae

Cyclobacteriaceae

Bacteroidetes; Bacteria; Bacteroidetes; Cytophagia; 0.935 0 0 ------Cytophagia; Cytophagales; NA Cytophagales; Ohtaekwangia

denovo992

Cytophagia Cytophagaceae NA

Bacteroidetes

Cytophagales

Cytophagaceae Bacteria; Bacteroidetes; Bacteria; Bacteroidetes; Cytophagia; antarctic 0 0.279 0.411 98 Cytophagia; Cytophagales; Cytophagales; glacier Cytophagaceae; Hymenobacter

denovo401 Hymenobacteraceae; Hymenobacter Hymenobacter glaciei

(Klassen & 2011) Foght (Klassen BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Bacteria; Bacteroidetes; Bacteria; Bacteroidetes; Cytophagia; antarctic 0 0.186 0.164 98 Cytophagia; Cytophagales; Cytophagales; glacier Cytophagaceae

denovo904 Cytophagia Hymenobacteraceae;

Cytophagales

Hymenobacter Cytophagaceae Hymenobacter glaciei

(Klassen & 2011) Foght (Klassen

Bacteroidetes; Flavobacteriia; Bacteria; Bacteroidetes; Arctic Flavobacteriales; Flavobacteriia; Flavobacteriales; 0.467 0 0 98 intertidal NA Flavobacteriaceae; Flavobacteriaceae; sand Subsaxibacter unclassified_Flavobacteriaceae denovo1366

Bacteroidetes arcticus 2016)(Xu al. et

Bacteria;

Flavobacteriia

Flavobacteriales Flavobacteriaceae Bacteroidetes; Bacteria; Bacteroidetes; Flavobacteriia; Arctic Flavobacteriia; Flavobacteriales; 0.093 0 0 Flavobacteriales; 99 intertidal Flavobacteriaceae; Flavobacteriaceae; sand unclassified_Flavobacteriaceae denovo1071

Subsaxibacter 2016)(Xu al. et

Winogradskyella arcticus BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Bacteria; ; 0.093 0.559 0 Clostridia; ------Bacteria; unclassified_Bacteria

NA NA NA Clostridiales NA

denovo273

Chloroflexi

Gitt-GS-136

Cyanobacteria; Antarctic Bacteria; Nostocales; aquatic 0 0.186 0 99 -- Cyanobacteria/Chloroplast; NA Tolypothrichaceae; (lacustrine) Cyanobacteria; Family I; GpI

Nostocales Hassallia andreassenii habitats denovo3812

Nostocaceae

Cyanobacteria

Nostocophycideae

Bacteria; Cyanobacteria; Cyanobacteria/Chloroplast; 0 0.652 0 Oscillatoriophycideae ------Cyanobacteria; ; Oscillatoriales NA unclassified_Cyanobacteria denovo2114

Phormidium

Oscillatoriales

Cyanobacteria

Phormidiaceae

Oscillatoriophycideae BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification source RDP /species Ds 3 identit Ref y

Bacteria; Gemmatimonadetes; 0 0.652 0 ------Bacteria; unclassified_Bacteria NA Gemmatimonadales NA denovo1668

Bacteria; Gemmatimonadetes; Bacteria; Gemmatimonadetes; Gemmatimonadetes; 0 0.745 0.247 ------Gemmatimonadales; NA Gemmatimonadales Gemmatimonadaceae; Ellin5301 NA denovo2747 Gemmatimonas

Gemmatimonadales

Gemmatimonadetes Gemmatimonadetes

Bacteria; Gemmatimonadetes; Bacteria; Gemmatimonadetes; Gemmatimonadetes; 0 0.652 0.164 ------Gemmatimonadales; NA Gemmatimonadales Gemmatimonadaceae; NA denovo1652 Gemmatimonas BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Bacteria; Bacteria; Proteobacteria; Proteobacteria; 0.187 0.093 0 ------Alphaproteobacteria; Rhizobiales; NA NA Alphaproteobacteria; Bradyrhizobiaceae; Bosea

denovo356

Rhizobiales Rhizobiales NA

Bacteria; Bacteria; Proteobacteria; Proteobacteria; Alphaproteobacteria; Alphaproteobacteria; 0.28 0.093 0.247 ------Rhodobacterales; Rhodobacterales; Rhodobacteraceae;

denovo126 Rhodobacteraceae

Rhodobacter

Proteobacteria unclassified_Rhodobacteraceae

Rhodobacterales NA

Rhodobacteraceae

Alphaproteobacteria

Bacteria; Proteobacteria; Bacteria; Proteobacteria; Alphaproteobacteria; Alphaproteobacteria; wetland 0.187 0 0.576 Sphingomonadales; 98 Sphingomonadales; NA freshwater Sphingomonadaceae; Sphingomonadaceae;

denovo3747 Sphingopyxis Sphingorhabdus

(Baik et al. 2013) al. et (Baik

Sphingomonadales

Sphingomonadaceae wooponensis BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Bacteria; Proteobacteria; Bacteria; Proteobacteria; Alphaproteobacteria; Alphaproteobacteria; 0.467 0 0 ------Sphingomonadales; Sphingomonadales; Sphingomonadaceae unclassified_Sphingomonadales denovo1739

Kaistobacter NA

Bacteria; Proteobacteria; Proteobacteria; Alphaproteobacteria; Alphaproteobacteria; Sphingomonadales; 0.187 0 0.082 Sphingomonadales; ------Sphingomonadaceae; Sphingomonadaceae denovo37 unclassified_Sphingomonadaceae

Proteobacteria NA

Sphingomonadales

Alphaproteobacteria

Sphingomonadaceae

Proteobacteria; Bacteria; Proteobacteria; Alphaproteobacteria; Alphaproteobacteria; Sphingomonadales; 0 0.098 0.413 100 permafrost Sphingomonadales; Sphingomonadaceae; Sphingomonadaceae; Polymorphobacter denovo2331

Zymomonas

(Jia et al. 2015) al. et (Jia Polymorphobacter fuscus BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Proteobacteria; Betaproteobacteria; Bacteria; Proteobacteria; 0.28 0.466 0.082 Nitrosomonadales; ------Betaproteobacteria;

NA

UD5 A21b Nitrosomonadaceae unclassified_Betaproteobacteria

denovo3538 NA

Proteobacteria

Betaproteobacteria Proteobacteria; Betaproteobacteria; Bacteria; Proteobacteria; 0 0.559 0 ------NA NA Burkholderiales; unclassified_Proteobacteria SC-I-84 Burkholderiaceae NA denovo3252

Bacteria; Proteobacteria; Bacteria; Proteobacteria; Gammaproteobacteri Gammaproteobacteria; 0.28 0 0 ------a; Alteromonadales; unclassified_Gammaproteobacte Alteromonadaceae ria denovo3013

Marinobacter

Proteobacteria

Alteromonadales NA

Alteromonadaceae

Gammaproteobacteria BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Bacteria; Proteobacteria; Arctic fjord Bacteria; Proteobacteria; Gammaproteobacteri Ny-alesund Gammaproteobacteria; a; in the 0.187 0 0.082 100 Pseudomonadales; Pseudomonadales; Svalbard Pseudomonadaceae; Pseudomonadaceae; Archipelag denovo1205

Pseudomonas Pseudomonas Pseudomonas o

Pseudomonadales Pseudomonadaceae psychrophila

(Abraham & Thomas 2015)

Proteobacteria; Bacteria; Proteobacteria; Gammaproteobacteri deep-sea Gammaproteobacteria; 0.187 0.279 0 a; Xanthomonadales; 98 NA sediment Xanthomonadales; Xanthomonadaceae; Xanthomonadaceae; Luteimonas denovo1414

Proteobacteria Luteimonas abyssi

(Fan et al. 2014) al. (Fan et

Xanthomonadales

Xanthomonadaceae

Gammaproteobacteria

Proteobacteria; Bacteria; Proteobacteria; Gammaproteobacteri deep-sea Gammaproteobacteria; 0.28 0 0.082 a; Xanthomonadales; 98 NA sediment Xanthomonadales; Xanthomonadaceae;

denovo743 Xanthomonadaceae Luteimonas abyssi

(Fan et al. 2014) al. (Fan et

Xanthomonadales

Xanthomonadaceae BLAST Genus OTU_I Sample % Phylum Class Order Family Sample 1 Sample 2 Blast Identification Source Ref RDP /species Ds 3 identi- ty

Verrucomicrobia; Bacteria; Verrucomicrobia; Spartobacteria; Spartobacteria; 0 0.372 0.082 Chthoniobacterales; ------Spartobacteria_genera_ Chthoniobacteraceae incertae_sedis denovo4041 NA

DA101 Verrucomicrobia;

[Spartobacteria] Bacteria; Verrucomicrobia; Spartobacteria;

[Chthoniobacterales]

[Chthoniobacteraceae] Spartobacteria; 0 0.186 0 Chthoniobacterales; ------Spartobacteria_genera_ Chthoniobacteraceae incertae_sedis denovo1537

Verrucomicrobia NA

Verrucomicrobia; Verrucomicrobiae; Bacteria; Verrucomicrobia; 0 0.186 0 Verrucomicrobiales; ------NA unclassified_Verrucomicrobia Verrucomicrobiaceae

denovo2975 NA

Verrucomicrobiae

Verrucomicrobiales

Verrucomicrobiaceae Table S1 (sequences of minor representative OTUs) OTU_IDs Rep_Sequence TACGGGGGGAGCAAGCGTTGTTCGGATTTACTGGGCGTAAAGGGCGCGTAGGCGGCCAGCACAAGTCAGTTGTGAAATCTCCGAGCTTAACTCGGAAAGGTCAAC denovo3361 TGATACTGTGCGGCTAGAGTGCGGAAGGGGCAACTGGAATTCTTGGTGTAGCGGTGAAATGCGTAGATATCAAGAGGAACACCTGCGGCGAAGGCGGGTTGCTG GGCCGACACTGACGCTGAGGCGCGAAAGCCAGGGGAGCGAACGGG CACGTAGGCACCAAGCGTTATCCGGATTTATTGGGCGTAAAGAGCTCGTAGGCGGTTCAGTCAGTCGGGTGTGAAAACTTGAGGCTTAACCTCAAGAGGTCACTCG denovo2370 ATACTGCTGTGACTAGAGTGCGGTAGGGGAGCGGGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCAGTGGCGAAGGCGCCGCTCTGG GCCGTAACTGACGCTGAGGAGCGAAAGCATGGGTAGCAAACAGG TACGTAGGGTGCAAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCTCGTAGGCGGTTTGTCGCGTCTGGTGTGAAAATCCAGGGCTTAACCCTGGACCTGCATCGG denovo1095 GTACGGGCAGACTAGAGTGCGGTAGGGGAGATCGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCGGTGGCGAAGGCGGATCTCTGG GCCGTAACTGACGCTGAGGAGCGAAAGCATGGGGAGCGAACAGG TACGTAGGGTGCGAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCTTGTAGGTGGTTTGTCGCGTCTGCTGTGAAAATCCGGGGCTCAACCCCGGACTTGCAGTG denovo713 GGTACGGGCAGACTAGAGTGTGGTAGGGGAGACTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCGATGGCGAAGGCAGGTCTCTG GGCCATTACTGACACTGAGAAGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGTCCGAGCGTTGTCCGGAATTATTGGGCGTAAAGGGCTCGTAGGCGGTTTGTCACGTCGGGAGTGAAAACTCAGGGCTCAACCCTGAGCGTGCTTCC denovo826 GATACGGGCAGACTAGAGGTATGCAGGGGAGAACGGAATTCCTGGTGTAGCGGTGGAATGCGCAGATATCAGGAGGAACACCGGTGGCGAAGGCGGTTCTCTG GGCATTACCTGACGCTGAGGAGCGAAAGCATGGGGAGCGAACAGG TACGTAGGGTGCGAGCGTTGTCCGGAATTATTGGGCGTAAAGGGCTCGTAGGCGGTTTGTCGCGTCGGGAGTGAAAACACCGGGCTTAACTCGGTGCTGGCTTCC denovo3875 GATACGGGCAGACTAGAGGTATTCAGGGGAGAACGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCGGTGGCGAAGGCGGTTCTCTGG GAATTACCTGACGCTGAGGAGCGAAAGTGTGGGGAGCGAACAGG CACGTAGGGGACGAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCGCGTAGGCGGTCGTGCAAGTCGGATGTGAAAATCCCGGGCTCAACCCGGGACCTGCACC denovo787 CGATACTGCTCGACTCGAGGTAGGTAGGGGAGATCGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCGGTGGCGAAGGCGGATCTCTG GGCCTTACCTGACGCTGAGGCGCGAAAGCTAGGGGAGCGAACAGG TACGTAGGGACCGAGCGTTGTCCGGATTTATTGGGCGTAAAGCGCGCGTAGGCGGCCGATCGCGTCGGATGTGAAAGCTCGGAGCTCAACTCTGAGAGGTCATTC denovo2438 GATACGGGTCGGCTAGAGGCAGGTAGGGGAGATCGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCGGTGGCGAAGGCGGATCTCTG GGCCTGTTCTGACGCTGAGGCGCGAAAGCTGGGGGAGCAAACAGG GACGTAGGGGGCGAGCGTTGTCCGGATTTATTGGGCGTAAAGCGCGCGTAGGCGGCTGCGCAAGTCGGTTGTGAAACCCCGGGGCTCAACCCCGGAACTGCATCC denovo2470 GATACTGCGTGGCTAGAGGTAGGTAGGGGAGATCGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAGGAACACCGGTGGCGAAGGCGGATCTCTGG GCCTTACCTGACGCTCAGGCGCGAAAGCTAGGGGAGCGAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCGTGTAGGCGGCCGTGTAGGTCTGACGTGAAATCTGGAGGCTCAACCTCCAGCTGTCGTTG denovo1122 GAAACCGCGCGGCTAGAGTCCGGAAGAGGAGAGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACCTATGGCGAAGGCAGCTCTCTGG GACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG OTU_IDs Rep_Sequence TACGTAGGGGGCTAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCGTGTAGGCGGCCAGATAGGTCTGCTGTGAAAACTCGAGGCTCAACCTCGAGCTGTCGGCG denovo3991 GAAACCATTCGGCTAGAGTCCGGAAGAGGAGAGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACCTATGGCGAAGGCAGCTCTCTGG GACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCGTGTAGGCGGTCAGGTAGGTCCGTTGTGAAAACCCAAGGCTCAACCTTGGGACGCCGATG denovo2547 GAAACCATCTGACTAGAGTCCGGAAGAGGAGAATGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACCCGTGGCTAAGGCGGTTCTCTAGT ACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGGCTAGCGTTGTCCGGATTTATTGGGCGTAAAGCGCGTGTAGGCGGCCAGATAGGTCTGCTGTGAAAACTCGAGGCTCAACCTCGAGCTGTCGGTGG denovo2728 AAACCATTTGGCTAGAGTCCGGAAGAGGAGAGCGGAATTCCCGGTGTAGCGGTGAAATGCGCAGATATCGGGAAGAACACCCGTGGCGAAGGCGGCTCTCTGGG ACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCAAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCGTGTAGGCGGCCAGACAGGTCCGTTGTGAAAACTCGAGGCTCAACCTCGAGACGTCGACG denovo2610 GAAACCGTCTGGCTAGAGTCCGGAAGAGGAGTGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACCTATGGCGAAGGCAGCACTCTGG GACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGAGCGTGTAGGCGGTTAGATAGGTCTGCTGTGAAAACTCCAGGCTCAACCTGGAGACGTCGGTG denovo3934 GAAACCATCTAGCTAGAGTCCGGAAGAGGAGAGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAACACCCGTGGCGAAGGCGGCTCTCTGG GACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGGGCAAGCGTTGTCCGGATTTATTGGGCGTAAAGCGCGTGTAGGCGGCCAGGTAGGTCCGCTGTGAAAACTCGAGGCTCAACCTCGAGACGTCGGCG denovo2613 GAAACCATCTGGCTAGAGTCCGGAAGAGGAGAGTGGAATTCCTGGTGTAGCGGTGAAATGCGCAGATATCAGGAAGAATATCCGTGGCGAAGGCGGCTCTCTGG GACGGTACTGACGCTGAGACGCGAAAGCGTGGGGAGCGAACAGG TACGTAGGGGCAAGCGTTGTCCGGAATTATTGGGCGTAAAGAGCGTGTAGGCGGTCCGGTAAGTCGGCTGTGAAAGTCCAGGGCTCAACCCTGGGATGCCGGTC denovo2480 GATACTGCCGGACTAGAGTTCGGAAGAGGCGAGTGGAATTCCCGGTGTAGCGGTGAAATGCGCAGATATCGGGAGGAACACCTATGGCGAAGGCAGCTCGCTGG GACGTTACTGACGCTGAGACGCGAAAGCGTGGGGAGCAAACAGG TACGGAGGGTGCAAGCGTTATCCGGATTTACTGGGTTTAAAGGGTGCGTAGGTGGGTAGGTAAGTCAGTGGTGAAATCTCCGAGCTTAACTCGGAAACTGCCATT denovo1169 GATACTATTTATCTTGAATATCCTGGAGGTGAGCGGAATATGTCATGTAGCGGTGAAATGCTTAGATATGACATAGAACACCAATTGCGAAGGCAGCTCACTACGG GGTTATTGACACTGAGGCACGAAAGCGTGGGGATCAAACAGG TACGGAGGGTGCAAGCGTTGTCCGGATTTATTGGGTTTAAAGGGTGCGTAGGCGGTTGATTAAGTCAGCGGTGAAAGTTTTGGGCTCAACCCAGAAATTGCCATTG denovo628 ATACTGGTCGACTTGAGTATTGCAGGGGTACATGGAATTGATGGTGTAGCGGTGAAATGCATAGATACCATCAGGAACACCGATAGCGAAGGCATTGTACTGGGC AACCACTGACGCTGATGCACGAAAGCATGGGGAGCGAACAGG TACGTAGGTGGCAAGCGTTGTCCGGATTTATTGGGTTTAAAGGGTGCGTAGGCGGCCTATTAAGTCAGTGCTGAAATATCCCGGCTTAACCGGGAGGGTGGCATT denovo992 GATACTGATGGGCTTGAGTAGAGTCGAGGTGGGCGGAATTGACGGTGTAGCGGTGAAATGCTTAGATATCGTCAAGAACACCGATAGTGTAGACAGTTCACTAGG CTCAAACTGACGCTGAGGCACGAAAGTGTGGGGATCAAACAGG OTU_IDs Rep_Sequence TACGGAGGGTGCAAGCGTTGTCCGGATTTATTGGGTTTAAAGGGTGCGTAGGCGGCCGATTAAGTCCGGGGTGAAAGCCCACTGCTCAACAGTGGAACTGCCCCG denovo401 GAAACTGGTTGGCTTGAGTACAGACGAGGGCGGCGGAATGGATGCTGTAGCGGTGAAATGCATAGATAGCATCCAGAACACCGATTGCGAAGGCAGCTGCCTAG ACTGTAACTGACGCTGAGGCACGAAAGCGTGGGGAGCGAACAGG TACGGAGGGTGCAAGCGTTGTCCGGATTTATTGGGTTTAAAGGGTGCGTAGGCGGTTCTTTAAGTCCGGGGTGAAAGCCCACTGCTCAACAGTGGAACTGCCCTG denovo904 GAAACTGGCGAACTTGAGTACAGACGAGGGTGGCGGAATGGATACTGTAGCGGTGAAATGCATAGATAGTATCCAGAACACCGATTGCGAAGGCAGCTGCCTAG ACTGTAACTGACGCTGAGGCACGAAAGCGTGGGGAGCGAACAGG TACGGAGGATCCAAGCGTTATCCGGAATCATTGGGTTTAAAGGGTCCGTAGGTGGGCCGTTAAGTCAGAGGTGAAATCCTGCAGCTCAACTGTAGAATTGCCTTTG denovo1366 ATACTGGCGGCCTTGAATCGTTGTGAAGTGGTTAGAATATGTGGTGTAGCGGTGAAATGCATAGATATCACATAGAATACCGATTGCGAAGGCAGATCACTAACAG CGCATTGACACTGATGGACGAAAGCGTGGGGAGCGAACAGG TACGGAGGATCCAAGCGTTATCCGGAATCATTGGGTTTAAAGGGTCCGTAGGTGGACCGTTAAGTCAGAGGTGAAATCCTGCAGCTCAACTGTAGAATTGCCTTTG denovo1071 ATACTGGCGGTCTTGAATCATTGTGAAGTGGTTAGAATATGTAGTGTAGCGGTGAAATGCATAGATATTACATAGAATACCGATTGCGAAGGCAGATCACTAACAA TGTATTGACACTGATGGACGAAAGCGTGGGGAGCGAACAGG TACGTAGGTGGCGAGCGTTGTCCGGAATTACTGGGCGTAAAGAGCGCGCAGGCGGCTGACCAAGTCCGATGTGAAAGCTCCCGGCTTAACTGGGAAATTGCATCG denovo273 GAAACTGATCGGCTTGAAGGTGGGAGAGGGTAGCGGAATTCCCGGTGTAGTGGTGAAATGCGTAGATATCGGGAGGAACACCAGTGGCGAAGGCGGCTACCTG GCCCATTCTTGACGCTGAGGCGCGAAAGCTAGGGGAGCGAACGGG TACGGAGGATGCAAGCGTTATCCGGAATGATTGGGCGTAAAGCGTCCGCAGGTGGCTGTGTAAGTCTGCTGTTAAATAGTGAGGCTCAACCTCATAAAGGCAGTG denovo3812 GAAACTACACGGCTAGAGTGCGTTCGGGGCAGAGGGAATTCCTGGTGTAGCGGTGAAATGCGTAGAGATCAGGAAGAACACCGGTGGCGAAAGCGCTCTGCTAG GCCGCAACTGACACTGAGGGACGAAAGCTAGGGGAGCGAATGGG GACGGAGGATGCAAGCGTTATCCGGAATGATTGGGCGTAAAGCGTCCGCAGGTGGCAATTCAAGTCTGCTGTTAAAGCGCAGGGCTTAACTCTGTAAAGGCAGTG denovo2114 GAAACTGAATAGCTAGAGTGTGGTAGGGGCAGAGGGAATTCCCAGTGTAGCGGTGAAATGCGTAGAGATTGGGAAGAACATCGGTGGCGAAGGCGCTCTGCTGG ACCATAACTGACACTCACAGGACGAAAGCTAGGGGAGCGAATGGG TACGGAGGGTGCGAGCGTTGTCCGGAATCACTGGGCGTAAAGGGCGCGTAGGCGGCTCGCGAAGCGTGCGGTGAAAGCCCGGGGCTCAACCCCGGGTCGGCCG denovo1668 TGCGAACTGGCGAGCTCGAGCACAGTAGAGGCAAGTAGAATTCCGGGTGTAGCGGTGGAATGCGTAGAGATCCGGAAGAATACCGGTGGCGAAGGCGGCTTGCT GGGCTGTGGCTGACGCTGAGGCGCGACAGCGTGGGGAGCAAACAGG TACGGAGGGTGCGAGCGTTGTCCGGAATCATTGGGCGTAAAGGGCGCGTAGGTGGCCCGGTCAGCGTGCGGTGAAAGCTCGGGGCTCAACCCCGAGTCGGCCGT denovo2747 GCGAACTGCTGGGCTGGAGCACTGTAGAGGCAGGCGGAATTCCGGGTGTAGCGGTGGAATGCGTAGAGATCCGGAAGAACACCGGTGGCGAAGGCGGCCTGCT GGGCAGTTGCTGACACTGAGGCGCGACAGCGTGGGGAGCAAACAGG TACGGAGGGTGCGAGCGTTGTCCGGAATCATTGGGCGTAAAGGGCGCGTAGGTGGCGGGACAAGCGTGCGGTGAAAGCTCGGGGCTCAACCCCGCGTCGGCCGT denovo1652 GCGAACTGTTTGCTTGAGCACTGTAGAGGCAGGCGGAATTCCGGGTGTAGCGGTGGAATGCGTAGAGATCCGGAAGAACACCGGTGGCGAAGGCGGCCTGCTGG GCAGTAGCTGACACTGAGGCGCGACAGCGTGGGGAGCAAACAGG OTU_IDs Rep_Sequence TACGAAGGGGGCTAGCGTTGCTCGGAATCACTGGGCGTAAAGGGCGCGTAGGCGGACTCTTAAGTCGGGGGTGAAAGCCCAGGGCTCAACCCTGGAATTGCCTTC denovo356 GATACTGAGAGTCTTGAGTTCGGAAGAGGTTGGTGGAACTGCGAGTGTAGAGGTGAAATTCGTAGATATTCGCAAGAACACCAGTGGCGAAGGCGGCCAACTGG TCCGATACTGACGCTGAGGCGCGAAAGCGTGGGGAGCAAACAGG TACGGAGGGGCTAGCGTTATTCGGAATTACTGGGCGTAAAGCGCACGTAGGCGGGCTGACAAGTCAGAGGTGAAATCCCAGGGCTCAACCTTGGAACTGCCTTTG denovo126 AAACTGTTAGTCTTGAGGTCGTGAGAGGTGAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAGGAACACCAGTGGCGAAGGCGGCTCACTGGCA CGATACTGACGCTGAGGTGCGAAAGCGTGGGGAGCAAACAGG TACGGAGGGAGCTAGCGTTGTTCGGAATTACTGGGCGTAAAGAGTACGTAGGCGGTGATTCAAGTCAGAGGTGAAAGCCTGGAGCTCAACTCCAGAACTGCCTTT denovo3747 GAAACTAGATCGCTAGAATCATGGAGAGGTGAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCAGTGGCGAAGGCGACTCACTGG ACATGTATTGACGCTGAGGTACGAAAGCGTGGGGAGCAAACAGG TACGGAGGGGGCTAGCGTTGTTCGGAATTACTGGGCGTAAAGCGCGCGTAGGCGGCTTTGTAAGTTAGAGGTGAAAGCCCGGAGCTTAACTCCGGAACTGCCCTT denovo1739 AAAACTGCATCGCTAGAATTGTGGAGAGGTGAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCAGTGGCGAAGGCGACTCACTGGA CACATATTGACGCTGAGGTGCGAAAGCTAGGGGAGCAAACGGG TACGGAGGGGGCTAGCGTTGTTCGGAATTACTGGGCGTAAAGCGCGCGTAGGCGGCTTTGTAAGTTAGAGGTGAAAGCCCGGAGCTCAACTCCGGAACTGCCCTT denovo37 AAAACTGCATCGCTAGAATTGTGGAGAGGTGAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCAGTGGCGAAGGCGACTCACTGGA CACATATTGACGCTCATGCACGAAAGCGTGGGGAGCAAACAGG TACGGAGGGAGCTAGCGTTGTTCGGAATTACTGGGCGTAAAGCGTACGTAGGCGGCTTTGTAAGTCAGAGGTGAAAGCCCACGACTCAATCGTGGAACTGCCTTT denovo2331 GAGACTGCTTCGCTTGAAGATGGGAGAGGTTAGTGGAATTCCGAGTGTAGAGGTGAAATTCGTAGATATTCGGAAGAACACCAGTGGCGAAGGCGGCTAACTGG ACCATTCTTGACGCTGAGGTACGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCGAGCGTTAATCGGAATTACTGGGCGTAAAGCGTGCGCAGGCGGTTCTGAAAGTCAGCTGTGAAAGCCCCGGGCTTAACCTGGGAACTGCGGTT denovo3538 GAAACTACAGGACTAGAATCTGGCAGAGGGGGGTGGAATTCCACGTGTAGCAGTGAAATGCGTAGAGATGTGGAGGAACACCGATGGCGAAGGCAGCCCCCTGG GCTGAGATTGACGCTCAGGCACGAAAGCGTGGGGAGCAAACAGG TACGTAGGGTGCGAGCGTTAATCGGAATTACTGGGCGTAAAGAGTGCGTAGGCGGTTCGTTATGTCTGTGGTGAAAGCCCTGGGCTCAACCTAGGAATGGCCATG denovo3252 GAAACTGGCGGGCTGGAGTATGGCAGAGGGGGGTGGAATTCCGCGTGTAGCAGTGAAATGCGTAGAGATGCGGAGGAACACCGATGGCGAAGGCAGCCCCCTG GGCTAATACTGACGCTGAGGCACGAAAGCGTGGGGAGCAAACAGG TACGGAGGGTGCAAGCGTTAATCGGAATTACTGGGCGTAAAGAGCACGTAGGCGGTTGGATAAGTTAGATGTGAAATCCCCGGGCTTAACCTGGGAGCTGCATTT denovo3013 AAAACTGTCTGGCTAGAGTTCGGTAGAGGGGGTGGAATTTCCGGTGTAGCGGTGAAATGCGTAGAGATCGGAAGGAACATCAGTGGCGAAGGCGGCCCCCTGGA CTAGGACTGACGCTGAGGTGCGAAAGCGTGGGGAGCAAACAGG TACAGAGGGTGCAAGCGTTAATCGGAATTACTGGGCGTAAAGCGCGCGTAGGTGGTTTGTTAAGTTGAATGTGAAATCCCCGGGCTCAACCTGGGAACTGCATCC denovo1205 AAAACTGGCAAGCTAGAGTATGGTAGAGGGTAGTGGAATTTCCTGTGTAGCGGTGAAATGCGTAGATATAGGAAGGAACACCAGTGGCGAAGGCGACTACCTGG ACTGATACTGACACTGAGGTGCGAAAGCGTGGGGAGCAAACAGG OTU_IDs Rep_Sequence TACGAAGGGTGCAAGCGTTACTCGGAATTACTGGGCGTAAAGCGTGCGTAGGTGGCCTGTTAAGTCTGATGTGAAAGCCCCGGGCTCAACCTGGGAATTGCATTG denovo1414 GATACTGGCAGGCTAGAGTGCGGTAGAGGGTAGTGGAATTCCCGGTGTAGCAGTGAAATGCGTAGAGATCGGGAGGAACACCAGTGGCGAAGGCGACTACCTG GACCAGCACTGACACTGAGGCACGAAAGCGTGGGGAGCAAACAGG TACGAAGGGTGCAAGCGTTAATCGGAATTACTGGGCGTAAAGGGTGTGTAGGTGGCCTGTTAAGTCTGTCGTGAAAGCCCTGGGCTCAACCTGGGAATGGCGGTG denovo743 GATACTGGCGGGCTCGAGTACGGTAGAGGGTGGTGGAATTCCCGGTGTAGCGGTGAAATGCGTAGAGATCGGGAGGAACATCAGTGGCGAAGGCGGCCACCTG GACCAGTACTGACACTGAGACACGAAAGCGTGGGGAGCAAACAGG TACAGAGGTCTCAAGCGTTGTTCGGATTCATTGGGCGTAAAGGGTGCGTAGGTGGCGCCATAAGTCGGGTGTGAAATTTCGGAGCTCAACTCCGAAACTGCATTCG denovo4041 ATACTGTGGTGCTTGAGGACTGGAGAGGAGACTGGAATTCACGGTGTAGCAGTGAAATGCGTAGAGATCGTGAGGAAGACCAGTGGCGAAGGCGGGTCTCTGGA CAGTTCCTGACACTGAGGCACGAAGGCTAGGGGAGCAAACGGG TACAGAGGTCTCGAGCGTTGTTCGGATTCATTGGGCGTAAAGGGTGCGTAGGTGGCGGGGTAAGTCAGATGTGAAATTTCGGAGCTCAACTCCGAAACTGCATTT denovo1537 GATACTGCCTTGCTTGAGGACTGGAGAGGAGACTGGAATTTACGGTGTAGCAGTGAAATGCGTAGATATCGTAAGGAAGACCAGTGGCGAAGGCGGGTCTCTGG ACAGTTCCTGACACTGAGGCACGAAGGCTAGGGGAGCAAACGGG TACAGAGGTCTCAAGCGTTGTTCGGAATCACTGGGCGTAAAGGGTGCGTAGGCTGCGTGGAAAGTCAGATGTGAAATACGAAGGCTCAACCTTCGAAATGCATCC denovo2975 GATACTACCATGCTAGAGGTCTAAAGGGGAGCTTGGAATTTTCGGTGTAGCAGTGAAATGCGTAGATATCGAAAAGAACACTTGTGGCGAAGGCGAAGCTCTGGT TAGAATCTGACGCTGAGGCACGAAGGCTAGGGTAGCAAACGGG