Table 2.
Relative abundance (% of total Illumina reads) OTUs recovered from the initial formation waters of the A3-11, B1-12, and C1-12 wells.
| This study OTUnr | % of total Illumina reads | Phylum/class closest culture NCBI hit/accession nr. | Identity (%) | Putative function | ||
|---|---|---|---|---|---|---|
| A3-11 | B1-12 | C1-12 | ||||
| FIRMICUTES | ||||||
| 1742 | 65 | 52.7 | 57.2 | Halanaerobium hydrogenoformans [NR_074850] | 99 | Fermenter |
| 437 | 20.9 | 0 | 15.3 | Haloanaerobium congolense [NR_026044] | 100 | Fermenter, sulfur and thiosulfate reducer |
| 1072 | 0 | 3.5 | 4.3 | Halocella cellulolsilytica [NR_036959] | 96 | Fermenter |
| 615 | 0 | 37.1 | 4.3 | Orenia marismortui [NR_026259] | 94 | Fermenter |
| 265 | 11.4 | 0 | 0 | Orenia salinaria [NR_026504] | 90 | Fermenter |
| 2.7 | 6.7 | 7.2 | Other | |||
| BACTEROIDETES | ||||||
| 1364 | 27 | 90.7 | 70.7 | Marinilabilia salmonicolor [AB680721] | 100 | Fermenter |
| 1443 | 63.5 | 1.7 | 22.4 | Cytophaga sp. AN-B14 [AM157648] | 100 | Fermenter |
| 975 | 0 | 2.1 | 0 | Bacteroidetes bacterium G13a-B [FN397996] | 100 | Acetogen |
| 138 | 4 | 0 | 0 | Prolixibacter bellariivorans [AB541983] | 95 | Fermenter |
| 805 | 0 | 1.1 | 0 | Bacteroidetes Phenol-4 [AF121885] | 98 | Phenol-degrading |
| 667 | 0 | 0 | 1.1 | Bacteroides graminisolvens [NR_041642] | 100 | Fermenter |
| 5.5 | 4.4 | 5.8 | Other | |||
| δ-PROTEOBACTERIA | ||||||
| 665 | 1 | 1.3 | 0 | Desulfovibrio sp. AND 1 [AY281344] | 99 | Sulfate reducer |
| 464 | 0 | 1 | 0 | Desulfovibrio aespoeensis [NR_074871] | 100 | Sulfate reducer |
| 1362 | 0 | 1.9 | 21.5 | Desufuromusa succinoxidans [NR_029276] | 98 | Sulfur reducer |
| 1363 | 3.4 | 28.5 | 0 | Pelobacter carbinolicus [NR_075013] | 100 | Iron reducer |
| 323 | 0 | 1.2 | 2.9 | Geoalkalibacter subterraneus [EU182247] | 100 | Iron reducer |
| 99 | 0 | 12.4 | 0 | Geobacter hephaestius [AY737507] | 98 | Sulfur and iron reducer |
| 135 | 0 | 2.2 | 0 | Geothermobacter sp. HR-1 [GQ183899] | 98 | Iron reducer |
| ε-PROTEOBACTERIA | ||||||
| 148 | 84.7 | 34.1 | 65.1 | Acrobacter marinus [EU512920] | 100 | Nitrate reducer |
| 1407 | 0 | 7.5 | 6.7 | Sulfurospirillum halorespirans [NR_028771] | 92 | Sulfur reducer |
| 1339 | 7.2 | 4.6 | 1.2 | Sulfurospirillum carboxydovorans [AY740528] | 99 | Sulfur reducer |
| 3.7 | 5.3 | 2.6 | Other | |||
| UNCLASSIFIED BACTERIA | ||||||
| 772 | 75.1 | 96 | 41.7 | Arctic bacterium Np 25 [EU196331] | 88-91 | Unknown |
| 1123 | 0 | 0 | 9.3 | Unidentified bacteria [FQ677509] | 85 | Unknown |
| 24.9 | 4 | 49 | Other* | |||
Other reads which represent less than 1% of the reads in the major listed phyla. Other
*
(unclassified reads; see detailed information in Supplementary Figure S3).