Table 2.
Level 2 (genus-like) groups targeted by the HITChip for which relative abundance was found to be significantly different between younger and elderly adults.
| Phylum/order | Family/genus | Ratio elderly/younger | P-value |
|---|---|---|---|
| Actinobacteria | Actinomycetaceae | 23 | 0.0012 |
| Atopobium | 2 | 0.0135 | |
| Bacilli | Lactobacillus salivarius et rel. | 10 | 0.0080 |
| Aerococcus | 5 | 0.0087 | |
| Granulicatella | 15 | 0.0159 | |
| Streptococcus bovis et rel. | 5 | 0.0040 | |
| Streptococcus intermedius et rel. | 5 | 0.0081 | |
| Clostridium cluster XIVa | Eubacterium hallii et rel. | 0.5 | 0.0416 |
| Clostridium cluster XV | Eubacterium limosum et rel. | 1.3 | 0.0144 |
| Bacteroidetes | Allistipes | 0.20 | < 0.0001 |
| Bacteroides ovatus et rel. | 0.14 | 0.0001 | |
| Bacteroides splachnicus et rel. | 0.14 | < 0.0001 | |
| Bacteroides stercoris et rel. | 0.09 | 0.0017 | |
| Parabacteroides | 0.14 | < 0.0001 | |
| Prevotella ruminicola et rel. | 0.25 | 0.0118 | |
| Uncultured Porphyromondaceae | 0.13 | < 0.0001 | |
| Uncultured Bacteroidetes | 0.08 | 0.0005 | |
| Betaproteobacteria | Aquabacterium | 0.13 | 0.0004 |
| Burkholderia | 0.33 | 0.0395 | |
| Gammaproteobacteria | Xanthomonadaceae | 0.06 | 0.0017 |