Table 1.
Reads and diversity indices obtained from the high-throughput analysis of archaeal and bacterial 16S rRNA gene amplicons for sludge samples taken from tetramethylammonium-degrading CMSS and UASB reactors.
| Sample ID | Reactor | Target | Height (cm) | Reads1 | Richness2 | Chao13 | Shannon4 |
|---|---|---|---|---|---|---|---|
| UASB1a | UASB | Archaea | 30 | 12,000 | 447 | 839 | 3.30 |
| UASB2a | UASB | Archaea | 100 | 12,000 | 703 | 1341 | 3.94 |
| UASB3a | UASB | Archaea | 200 | 12,000 | 710 | 1174 | 4.13 |
| UASB4a | UASB | Archaea | 300 | 12,000 | 641 | 1196 | 4.09 |
| UASB5a | UASB | Archaea | 400 | 12,000 | 282 | 500 | 2.04 |
| UASB1a | UASB | Bacteria | 30 | 20,000 | 218 | 270 | 5.02 |
| UASB3a | UASB | Bacteria | 200 | 20,000 | 249 | 266 | 5.88 |
| UASB5a | UASB | Bacteria | 400 | 20,000 | 299 | 384 | 4.37 |
| CMJP | CMSS | Archaea | NA | 12,000 | 250 | 367 | 2.75 |
| CMJP | CMSS | Bacteria | NA | 20,000 | 232 | 375 | 2.54 |
1Number of qualified 16S rRNA sequence reads. 2Number of detected OTUs (97% similarity). 3Chao1 richness estimate; a higher number represents a higher degree of diversity. 4Shannon–Weiner index; a higher number represents a higher degree of diversity. NA: not applicable.