Table 2.
Transcribed functions (MG-RAST) in a microbial mat (Mat1) located on a barite chimney and in a biofilm on a black smoker wall at the LCVF.
| Function | Microbial mat (Barite chimney) | Biofilm (Black smoker)a | ||
|---|---|---|---|---|
| Number of reads | Relative abundance (%) | Number of reads | Relative abundance (%) | |
| RNA polymerase subunit B | 46 | 0.83 | 25 | 0.42 |
| SoxX, SoxA | 4 | 0.07 | 7 | 0.12 |
| SoxY, SoxZ | 9 | 0.16 | 64 | 1.09 |
| SoxB | 1 | 0.02 | 2 | 0.03 |
| SoxCD | 7 | 0.13 | 7 | 0.12 |
| Sulfide quinone reductase (SQR) | 17 | 0.31 | 46 | 0.78 |
| Cytochrome b | 1 | 0.02 | 13 | 0.22 |
| Hydrogenaseb | 0 | 0.00 | 65 | 1.11 |
| Formate dehydrogenase | 5 | 0.09 | 0 | 0.00 |
| Cytochrome c oxidase (cbb3-type) | 26 | 0.47 | 112 | 1.91 |
| Cytochrome c oxidase (other than cbb3-type) | 0 | 0.00 | 8 | 0.14 |
| Nitrate reductase (nap) | 31 | 0.56 | 92 | 1.57 |
| Nitric oxide reductase (nor) | 4 | 0.07 | 34 | 0.58 |
| Nitrous oxide reductase (nos) | 4 | 0.07 | 4 | 0.07 |
| Cytochrome nitrite reductase (cdnir) | 1 | 0.02 | 13 | 0.22 |
| Ferredoxin nitrite reductase | 0 | 0.00 | 2 | 0.03 |
| ATP citrate lyase | 27 | 0.49 | 46 | 0.78 |
| Pyruvate:ferredoxin oxidoreductase | 83 | 1.50 | 117 | 2.00 |
| 2-oxoglutarate:acceptor oxidoreductase | 65 | 1.17 | 84 | 1.43 |
| Fumarate reductase/succinate dehydrogenase | 16 | 0.29 | 5 | 0.09 |
| Sensor/signal histidine kinase | 57 | 1.03 | 17 | 0.29 |
| Flagellar proteins | 94 | 1.70 | 18 | 0.31 |
| Methyl-accepting chemotaxis proteins | 97 | 1.75 | 1 | 0.02 |