Table 1.
Taxonomic affiliation and number of sequences obtained from 16S rRNA clone libraries at incubation start (T0) and for one representative sample of 13CCH4 and 13CDIC incubations, each from the 13C fraction and the 12C fraction of the same CsTFA gradients.
| Taxonomic affiliation | T0 |
13CCH4 core |
13CDIC slurry |
||
|---|---|---|---|---|---|
| 13C | 12C | 13C | 12C | ||
| EURYARCHAEOTA | |||||
| Thermoplasmata | |||||
| Thermoplasmatales | 19 | 8 | 2 | 6 | |
| Methanomicrobia | |||||
| Methanosarcinales | |||||
| Methanosaetacea | |||||
| Methanosaeta | 3 | 3 | 1 | 3 | |
| Methanomicrobia | |||||
| Methanosarcinales | |||||
| ANME-2d | 9 | 22 | 1 | 17 | |
| Methanomicrobia | |||||
| Methanomicrobiales | |||||
| Methanoregulacea/Methanolinea | 2 | ||||
| MISCELLANEOUS | |||||
| EURYARCHAEOTIC GROUP | 2 | 6 | 5 | ||
| AENIGMARCHAEOTA | 2 | 2 | 3 | ||
| CRENARCHAEOTA | |||||
| Marine Benthic Group B | 1 | ||||
| others | 2 | 1 | 1 | ||
| MISCELLANEOUS | 39 | 1 | 21 | 5 | 21 |
| CRENARCHAEOTIC GROUP | |||||