Table 2 Top 5 predominant operational taxonomic units (OTUs) at (a) the top and (b) port 4 of the reactor under the neutral and acid conditions
Condition | HRT (h) | OTU number | Relative abundance (%) | Closest relative species | Sequence similarity (%) | Accession number | Phylum or class |
|---|---|---|---|---|---|---|---|
(a) | |||||||
Neutral | 6 | 32917 | 57.94 | Polaromonas hydrogenivorans | 100 | KU179860 | Betaproteobacteria |
23591 | 21.63 | Flavobacterium johnsoniae | 100 | EU984149 | Bacteroidetes | ||
90098 | 6.48 | Pseudomonas extremaustralis | 100 | KU508802 | Gammaproteobacteria | ||
103770 | 2.37 | Arthrospira platensis | 86.3 | NR125711 | Cyanobacteria | ||
21834 | 1.41 | Variovorax boronicumulans | 96.0 | GQ205102 | Betaproteobacteira | ||
5 | 71905 | 44.71 | Dechloromonas aromatica | 100 | NR074748 | Betaproteobacteria | |
87319 | 31.50 | Novosphingobium sediminicola | 100 | KU297717 | Alphaproteobacteria | ||
58036 | 2.19 | Candidatus Symbiothrix dinenymphae | 84.3 | AB088917 | Bacteroidetes | ||
32917 | 1.89 | Polaromonas hydrogenivorans | 100 | KU179860 | Betaproteobacteria | ||
59736 | 1.81 | Paludibacter propionicigenes | 98.4 | AB910740 | Bacteroidetes | ||
Acid | 20 | 77981 | 53.63 | Clostridium saccharobutylicum | 100 | GU060306 | Firmicutes |
103770 | 7.12 | Arthrospira platensis | 86.3 | NR125711 | Cyanobacteria | ||
16806 | 6.34 | Clostridium bowmani | 98.0 | NR114879 | Firmicutes | ||
80315 | 5.40 | Clostridium akagii | 99.2 | NR025352 | Firmicutes | ||
68792 | 3.56 | Bacteroides graminisolvens | 94.1 | KT302372 | Bacteroidetes | ||
7 | 90098 | 37.72 | Pseudomonas extremaustralis | 100 | KU508802 | Gammaproteobacteria | |
59736 | 5.93 | Paludibacter propionicigenes | 98.4 | AB910740 | Bacteroidetes | ||
61127 | 5.84 | Microbacter margulisiae | 97.6 | NR126216 | Bacteroidetes | ||
30357 | 2.99 | Acidiphilium rubrum | 100 | KC924949 | Alphaproteobacteria | ||
102362 | 2.60 | Stenotrophomonas maltophilia | 100 | KT825837 | Gammaproteobacteria | ||
(b) | |||||||
Neutral | 6 | 58036 | 24.35 | Candidatus Symbiothrix dinenymphae | 84.3 | AB088917 | Bacteroidetes |
68792 | 9.31 | Bacteroides graminisolvens | 94.1 | KT302372 | Bacteroidetes | ||
16806 | 8.00 | Clostridium bowmani | 98.0 | NR114879 | Firmicutes | ||
59736 | 6.87 | Paludibacter propionicigenes | 98.4 | AB910740 | Bacteroidetes | ||
26361 | 5.97 | Trichococcus pasteurii | 100.0 | KR857435 | Firmicutes | ||
5 | 58670 | 11.87 | OP11 uncultured bacterium | 91.4 | UEU68664 | Candidate phylum OP11 | |
64300 | 9.30 | Thiobacillus thioparus | 100 | KC542801 | Betaproteobacteria | ||
19080 | 9.12 | Sediminibacterium goheungense | 100 | NR133854 | Bacteroidetes | ||
26361 | 7.73 | Trichococcus pasteurii | 100 | KR857435 | Firmicutes | ||
96149 | 6.57 | Bifidobacterium cuniculi | 76.5 | LC071801 | Actinobacteria | ||
Acid | 20 | 59736 | 16.62 | Paludibacter propionicigenes | 98.4 | AB910740 | Bacteroidetes |
103278 | 11.15 | Desulfatirhabdium butyrativorans | 94.5 | NR043578 | Deltaproteobacteria | ||
68792 | 7.38 | Bacteroides graminisolvens | 94.1 | KT302372 | Bacteroidetes | ||
16806 | 5.36 | Clostridium bowmani | 98.0 | NR114879 | Firmicutes | ||
85528 | 5.27 | Psychrosinus fermentans | 98.8 | NR115860 | Firmicutes | ||
7 | 58670 | 29.61 | OP11 uncultured bacterium | 91.4 | UEU68664 | Candidate phylum OP11 | |
94556 | 17.64 | Paludibacter propionicigenes | 98.4 | AB910740 | Bacteroidetes | ||
90098 | 6.43 | Pseudomonas extremaustralis | 100 | KU508802 | Gammaproteobacteria | ||
20362 | 5.26 | Desulfovibrio mexicanus | 99.2 | NR028776 | Deltaproteobacteria | ||
31360 | 3.82 | Paludibacter propionicigenes | 94.5 | AB910740 | Bacteroidetes | ||