TABLE 2.
Phylogenetic affiliations of archaeal 16S rRNA genes and rRNA clone libraries at each depth below the seafloor and primer combination
| Phylogenetic affiliation | No. of clones from 16S rRNA genes
|
No. of clones from rRNA at 15-18 cm | ||||
|---|---|---|---|---|---|---|
| 0-3 cm | 15-18 cm
|
18-21 cm
|
||||
| A8f-A1492r/A21f-915r | A8f-Eel932r | A21f-A915r | A8f-A1492r | A8f-A1492r/ A21f-915r | A8f-A1492r | |
| Euryarchaeota | ||||||
| ANME-1b | 37 | 80 | 66 | 20 | ||
| Methanosarcinales (GoM Arc I) | 23 | 4 | 1 | 1 | ||
| Outside Methanosarcinales/ Methanomicrobiales | 1 | 10 | ||||
| Thermoplasmatales | ||||||
| MBG-D | 22 | 2 | 34 | 2 | ||
| Other Thermoplasmatales | 2 | |||||
| Crenarchaeota | ||||||
| MG-I | 2 | |||||
| MBG-B | 22 | 2 | ||||
| Total no. of clones | 46 | 63 | 36 | 86 | 79 | 21 |