Table 3. Genus-like bacterial groups which showed differences in terms of prevalence between groups C (centenarians), F (elderly offspring of the centenarians), E (elderly), and Y (young adults).
| Prevalence (%) | ||||||
| Phylum/order | Genus-like phylogenetic group | C | F | (FC, FN)A | E | Y |
| Actinobacteria | Corynebacterium | 90 | 90 | (83, 100) | 50 | 40 |
| Micrococcaceae | 90 | 76 | (83, 67) | 59 | 35 | |
| Asteroplasma | Asteroplasma et rel. | 48 | 38 | (42, 33) | 32 | 20 |
| Bacilli | Staphylococcus | 100 | 100 | (100, 100) | 91 | 85 |
| Clostridium cluster XI | Peptostreptococcus anaerobius et rel. | 76 | 100 | (100, 100) | 59 | 55 |
| Peptostreptococcus micros et rel. | 52 | 52 | (67, 33) | 18 | 15 | |
| Fusobacteria | Fusobacterium | 28 | 43 | (50, 33) | 5 | 5 |
| Proteobacteria | Alcaligenes faecalis et rel. | 71 | 81 | (92, 67) | 50 | 35 |
| Bilophila et rel. | 90 | 86 | (83, 89) | 68 | 70 | |
| Campylobacter | 29 | 33 | (50, 11) | 5 | 5 | |
| Desulfovibrio et rel. | 90 | 90 | (100, 78) | 77 | 50 | |
| Escherichia coli et rel. | 95 | 81 | (75, 89) | 77 | 70 | |
| Haemophilus | 90 | 76 | (75, 79) | 68 | 55 | |
| Helicobacter | 33 | 33 | (50, 11) | 5 | 5 | |
| Leminorella | 95 | 76 | (83, 67) | 64 | 65 | |
| Moraxellaceae | 48 | 38 | (58, 11) | 18 | 10 | |
| Oceanospirillum | 57 | 76 | (75, 78) | 36 | 30 | |
| Proteus et rel. | 90 | 76 | (83, 67) | 41 | 35 | |
| Pseudomonas | 90 | 90 | (83, 100) | 77 | 45 | |
| Serratia | 100 | 95 | (92, 100) | 77 | 70 | |
| Yersinia et rel. | 95 | 86 | (83, 89) | 72 | 60 | |
| Spirochaetes | Brachyspira | 19 | 38 | (50, 22) | 9 | 0 |
A
Prevalence values of subsets of group F, FC (offspring who lived with their centenarian parents) and FN (offspring who do not live with their centenarian parents) are presented in between brackets.