Table 2 Ratio of the phyla Firmicutes vs. Bacteroidetes in biogas fermenters and herbivorous animals
Microbiome/community | Firmicutes/Bacteroidetes phyla ratio | Reference/data source | |
|---|---|---|---|
16S amplicon-based analysis | Metagenome-based analysis | ||
Biogas fermenter | 2.4:1 | 5.2:1 | This study |
Biogas fermenter | – | 4.7:1 | [25] |
Biogas fermenter (dry fermentation) | – | 4.1:1 | [3] |
Biogas fermenter (wet fermentation) | – | 3.9:1 | [3] |
Biogas fermenter | 9.6:1 | 5.9:1 | [4] |
Biogas fermenter | – | 9.6:1 | [2] |
Mean | 6:1 | 5.6:1 | Â |
Asian elephant feces | 0.8:1 | 1.6:1 | [15] |
Switchgrass incubated in cow rumen | – | 1.5:1 | [23] |
Rumen of a hay-fed cow | 0.8–1.7:1 | – | [14] |
Svalbard reindeer Rumen | 0.5:1 | 0.4:1 | [18] |
White rhinoceros feces | 1.6–2.7:1 | – | [24] |
Rex rabbit feces | 0.8–1.3:1 | – | [16] |
Rumen of a pasture-fed sheep | 0.3–0.5:1 | – | [14] |
Giraffe rumen | 1.6:1 | – | [17] |
Mean | 1:1 | 1.2:1 | Â |