Table 2.
Relative abundance of bacterial species at the family level in colonic content samples obtained from no-surgery control animals (n = 6) or animals who have undergone a transaction surgery (n = 5)
| Phylum level | Family level | Control (Rel. Abundance) | Transection (Rel. Abundance) | P value |
| Proteobacteria | Enterobacteriaceae | 22.95 + 5.27 | 2.07 + 0.72a | 0.0104 |
| Desulfovibrionaceae | 2.89 + 1.26 | 2.95 + 1.16 | 0.9716 | |
| Moraxellaceae | 0.69 + 0.55 | 8.81 + 8.72 | 0.4501 | |
| Pseudoalteromonadaceae | 0.55 + 0.43 | 1.42 + 1.42 | 0.5844 | |
| Vibrionaceae | 0.52 + 0.37 | 6.03 + 5.91 | 0.4038 | |
| Bacteriodetes | Rikenallaceae | 6.00 + 1.87 | 3.70 + 1.31 | 0.3416 |
| Porphyromonadaceae | 2.33 + 0.76 | 4.50 + 1.78 | 0.3080 | |
| Prevotellaceae | 2.76 + 0.39 | 8.05 + 2.60 | 0.1105 | |
| Bacteroidaceae | 2.54 + 0.56 | 0.86 + 0.43a | 0.0432 | |
| Firmicutes | Ruminococcaceae | 19.97 + 2.01 | 15.26 + 4.71 | 0.3962 |
| Veillonellaceae | 14.19 + 4.12 | 22.40 + 7.73 | 0.3834 | |
| Lachnospiraceae | 7.63 + 2.31 | 6.19 + 2.00 | 0.6475 | |
| Peptostreptococcaceae | 3.19 + 1.06 | 1.52 + 1.08 | 0.2991 | |
| Erysipeolotrichales Incertae Sedis | 1.78 + 0.61 | 1.03 + 0.53 | 0.3809 | |
| Clostridiaceae | 1.45 + 0.35 | 0.73 + 0.36 | 0.1843 | |
| Lactobacillaceae | 1.09 + 0.45 | 1.58 + 0.83 | 0.6197 | |
| Streptococcaceae | 0.13 + 0.06 | 1.56 + 1.54 | 0.4056 | |
| Actinobacteria | Micrococcinea | 0.07 + 0.07 | 1.54 + 1.54 | 0.3926 |
| Fusobacteria | Fusobacteriaceae | 0.98 + 0.44 | 3.85 + 3.09 | 0.4079 |
| Spirochaetes | Spirochaetaceae | 1.83 + 1.15 | 0.09 + 0.08 | 0.1898 |
| Other | 6.49 + 1.09 | 5.84 + 1.41 | 0.7245 |
Data are expressed as mean + SEM (%).
a
P < 0.05 vs control. Bacterial species whose relative abundance was < 1% in both the control and transaction surgery group are compiled within the “other” category. Significant changes in bacteria whose relative abundance was < 1% are detailed within the text.