TABLE 3.
Distribution of representative clone types of archaeal and bacterial rRNAs in the original P4 sediment at the Midnite mine
| Clone name and typea | No. of rRNA clones | Database match (% identity) |
|---|---|---|
| Archaea (kingdom, division) | ||
| Euryarchaeota, Methanobacteria | ||
| P4A-2 | 10 | Methanobacterium sp. strain VeH52 (98) |
| P4A-24 | 17 | Methanobrevibacter arboriphilus (92) |
| Total archaeal rRNA clones analyzed | 33 | |
| Bacteria (division, subdivision) | ||
| Proteobacteria, Betaproteobacteria | ||
| P4B-1 | 4 | Rhodoferax ferrireducens (97) |
| Proteobacteria, Deltaproteobacteria | ||
| P4B-3 | 3 | Pelobacter venetianus (84) |
| P4B-6 | 4 | Desulfuromonas acetexigens (91) |
| P4B-34 | 2 | Geobacter chapelleii (91) |
| P4B-41 | 2 | Desulfonema magnum (85) |
| P4B-43 | 2 | Geobacter chapelleii (91) |
| P4B-45 | 5 | Desulfosarcina variabilis (88) |
| P4B-46 | 2 | Desulfocapsa thiozymogenes (90) |
| P4B-54 | 2 | Pelobacter venetianus (92) |
| P4B-61 | 2 | Desulfomonile tiedjei (89) |
| Proteobacteria, Epsillonproteobacteria | ||
| P4B-33 | 4 | Sulfuricurvum kujiense (97) |
| Firmicutes | ||
| P4B-4 | 3 | Clostridium akagii (90) |
| Bacteroidetes | ||
| P4B-25 | 4 | Cytophaga sp. strain AB015525 (91) |
| Verrucomicrobia | ||
| P4B-14 | 2 | Uncultured Verrucomicrobium DEV020 (87) |
| Total bacterial rRNA clones analyzed | 51 |
a
Representative rRNA clones are grouped by partial rRNA sequences having >98% similarity and being represented more than twice in the whole libraries.