Table 4.
Comparisons of the relative abundance of specific fermenters between groups.
| Product | Fermenter | B1 | G1 | P1 | G/B2 | P/B2 |
|---|---|---|---|---|---|---|
| Butanol | Prevotella | 295.2 ± 27.1 | 859.3 ± 68.9 | 439.3 ± 44.8 | 1.54* | 0.57 |
| Syntrophus | 10.6 ± 1.1 | 52.7 ± 2.1 | 0 | 2.32* | ||
| Granulicella | 33.3 ± 0.9 | 44.2 ± 5.4 | 0 | 0.41 | ||
| Clostridium | 51.5 ± 5.0 | 38.2 ± 2.3 | 27.3 ± 1.1 | –0.43 | –0.92 | |
| Paenibacillus | 26.2 ± 2.7 | 27.7 ± 3.4 | 26.2 ± 2.0 | 0.08 | 0.00 | |
| Selenomonas | 8.6 ± 1.0 | 19.9 ± 1.9 | 0 | 1.22* | ||
| Eggerthella | 16.4 ± 1.8 | 17.8 ± 1.5 | 30.0 ± 2.2 | 0.12 | 0.87 | |
| Slackia | 1.7 ± 0.1 | 15.8 ± 2.5 | 0 | 3.23* | ||
| Ethanoligenens | 0.9 ± 0.1 | 11.7 ± 1.1 | 0 | 3.74* | ||
| Geobacter | 26.3 ± 2.6 | 11.0 ± 0.8 | 10.5 ± 0.9 | –1.26* | –1.32* | |
| Bacteroides | 12.0 ± 0.8 | 0 | 47.0 ± 3.8 | 1.97* | ||
| Syntrophobacter | 1.4 ± 0.2 | 0 | 15.2 ± 1.6 | 3.46* | ||
| Bacillus | 3.5 ± 0.4 | 0 | 14.0 ± 1.3 | 1.99* | ||
| Staphylococcus | 26.6 ± 3.3 | 0 | 10.7 ± 0.4 | –1.32* | ||
| Butyrivibrio | 0.7 ± 0.1 | 0 | 10.2 ± 1.3 | 3.78* | ||
| Heterolactate | Clostridium | 75.9 ± 6.7 | 82.8 ± 4.5 | 78.4 ± 5.5 | 0.13 | 0.05 |
| Paenibacillus | 18.6 ± 1.2 | 60.9 ± 2.5 | 0 | 1.71* | ||
| Lactobacillus | 1.9 ± 0.1 | 26.3 ± 1.4 | 0 | 3.81* | ||
| Oscillibacter | 2.7 ± 0.2 | 22.8 ± 1.4 | 0 | 3.08* | ||
| Sinorhizobium | 3.7 ± 0.3 | 20.0 ± 3.3 | 0 | 2.44* | ||
| Syntrophus | 20.0 ± 2.1 | 18.3 ± 0.4 | 0 | –0.13 | ||
| Desulfovibrio | 3.4 ± 0.6 | 17.1 ± 1.5 | 0 | 2.33* | ||
| Marinobacter | 1.4 ± 0.1 | 14.9 ± 2.0 | 0 | 3.36* | ||
| Gluconobacter | 2.1 ± 0.3 | 13.4 ± 1.2 | 0 | 2.69* | ||
| Prevotella | 51.7 ± 3.1 | 11.3 ± 0.8 | 57.4 ± 6.7 | –2.20* | 0.15 | |
| Syntrophobacter | 10.8 ± 1.0 | 10.3 ± 0.5 | 0 | –0.08 | ||
| Bacillus | 3.0 ± 0.1 | 0 | 44.9 ± 3.8 | 3.89* | ||
| Geobacter | 28.8 ± 3.1 | 0 | 24.2 ± 2.5 | –0.25 | ||
| Treponema | 3.3 ± 0.4 | 0 | 20.5 ± 2.6 | 2.63* | ||
| Bacteroides | 7.8 ± 1.1 | 0 | 14.0 ± 1.3 | 0.83 | ||
| Sphaerochaeta | 3.8 ± 0.3 | 0 | 13.2 ± 1.3 | 1.81* | ||
| Ethanoligenens | 5.1 ± 0.4 | 0 | 12.0 ± 0.8 | 1.23* | ||
| Homolactate | Paenibacillus | 7.2 ± 0.7 | 28.0 ± 1.4 | 0 | 1.95* | |
| Ruminococcus | 2.6 ± 0.6 | 22.2 ± 0.2 | 0 | 3.07* | ||
| Clostridium | 8.8 ± 0.7 | 0 | 54.4 ± 2.7 | 2.63* | ||
| Propionate | Granulicella | 30.1 ± 2.2 | 177.3 ± 14.7 | 12.5 ± 1.1 | 2.56* | –1.27* |
| Prevotella | 166.0 ± 13.7 | 119.8 ± 4.9 | 341.3 ± 31.5 | –0.47 | 1.04* | |
| Desulfomicrobium | 28.8 ± 1.9 | 89.8 ± 8.6 | 12.9 ± 1.4 | 1.64* | –1.16* | |
| Acidovorax | 6.4 ± 0.6 | 52.4 ± 5.2 | 0 | 3.04* | ||
| Bacteroides | 20.2 ± 1.8 | 39.6 ± 1.9 | 30.2 ± 2.9 | 0.97 | 0.58 | |
| Geobacter | 46.4 ± 3.0 | 25.2 ± 3.0 | 57.7 ± 5.5 | –0.88 | 0.31 | |
| Clostridium | 15.1 ± 1.1 | 0 | 28.6 ± 2.7 | 0.92 | ||
1 mean value ± standard error; the relative abundance was normalized to 1,000,000 for the sample. 2 the numbers were calculated from log2(G/B) or log2(P/B). ∗p < 0.05 and |value| > 1 in the wilcox test between groups.