Table 1.
Distribution of phyla comprising the detected species and clusters in the different sample categories
| Phylogenetic group | Number of species per site |
Total | ||||
|---|---|---|---|---|---|---|
| Tongue dorsum | Buccal fold | Hard palate | Supragingival | Subgingival | ||
| Firmicutes | 45 | 58 | 58 | 52 | 55 | 72 |
| Bacteroidetes | 25 | 23 | 19 | 23 | 20 | 37 |
| Proteobacteria | 19 | 19 | 16 | 20 | 23 | 26 |
| Actinobacteria | 6 | 6 | 9 | 15 | 12 | 19 |
| Fusobacteria | 7 | 4 | 3 | 6 | 6 | 10 |
| Spirochaetales | 1 | 1 | - | 3 | 4 | 7 |
| TM7 | - | - | - | 3 | 1 | 3 |
| Synergistes | 1 | 1 | 1 | 1 | 1 | 1 |
| Total | 104 | 112 | 106 | 123 | 122 | 175 |