Table 1.
Microbial alterations in CD patients. Relative changes in abundance of taxa in CD patients for Actinobacteria (A), Bacteroidetes (B), Firmicutes (F), Proteobacteria (P), Fusobacteria (Fu), and Euryarchaeota (E) phyla are categorized according to increases or reduction when compared to non-IBD subjects
| Studies Reporting Reduced Taxa in CD | Studies Reporting Increased Taxa in CD |
|---|---|
| Firmicutes (F)6–8 | Bacteroidetes (B)7–9 |
| F. prausnitzii (F) 1,3,4,6,9–15 |
Bacteroidaceae (B)7 |
| Lachnospira (F)1,6,9,15 | R. gnavus (F) 3,7,9,11,14–18 |
| Roseburia (F) 1,3,4,12,14,15 |
Oscillospira (F)1,9 |
| Lachnospiraceae (F)15 | [Eubacterium] (F)9 |
| Blautia (F)1,15,19 | Enterobacteriaceae1 |
| Bifidobacterium4,10,12,15,19 | Bifidobacterium (A)9 |
| Clostridium (F)1,3,8 | Clostridium (F)9 |
| Clostridia (F)8,19 | Enterobacter (P)7 |
| C. coccoides (F)13 and C. leptum (F)13 |
Enterococcaceae (F)4 |
| Prevotella3 | +Veillonellaceae (F)19,20 |
| Erysipelotrichales (F)19 | Proteobacteria (P)1,8 |
| Dorea (F)1,19 | Enterobacteriaceae (P) 3,7,12,15,18–20 |
| Anaerostipes3 | E. coli (P) 3,14,19 |
| Ruminococcaceae (F)3,4,19 | Pasteurellaceae (P)19 |
| Oscillospira (F)3,9,19 | Atopbobium (A)20 |
| Christensenellaceae (F)3 | +Fusobacteriales (Fu)3,12,19,20 |
| D. invisus* (F)10,11,19 | Escherichia (P)6 |
| Bacteroides (B)1,7,9,19 | |
| Alistipes (B)14 | |
| Actinomycetaceae (A)17 | |
| C. aeroffaciens (A)10 | |
| Methanobrevibacter (E)3 |