Table 2.
Specificity of the Firmicutes and Bacteroidetes DNA barcodes
| % of Hit with Bacteroidetes barcode | % of Hit with Firmicutes barcode | |||||
| Phylum | Number of sequences in RDP-II | Number of sequences in Greengenes | RDP-II | Greengenes | RDP-II | Greengenes |
| Bacteroidetes | 18272 | 4718 | _ | _ | 0.41 | 0 |
| Firmicutes | 45757 | 16023 | 0.04 | 0.057 | _ | _ |
| Proteobacteria | 41277 | 38449 | 0 | 0.049 | 0.18 | 0.27 |
| Actinobacteria | 11366 | 12736 | 0 | 0.0079 | 1.28 | 1.07 |
| Cyanobacteria | 2164 | 1873 | 0.05 | 0.053 | 32.76 | 29.31 |
| Spirochaetes | 1547 | 1677 | 0 | 0.059 | 0 | 0.18 |
| Verrucomicrobia | 953 | 324 | 0 | 0 | 0 | 0 |
| Planctomycetes | 864 | 553 | 0.23 | 0.54 | 0 | 0.18 |
| Chloroflexi | 713 | 643 | 0 | 0 | 0 | 0.77 |
| Acidobacteria | 782 | 865 | 0 | 0 | 0 | 0 |
| Aquificae | 739 | 1131 | 0 | 0 | 0 | 0 |
| Fusobacteria | 421 | 198 | 0 | 0 | 97.38 | 90.40 |
| Nitrospirae | 376 | 156 | 0 | 0 | 0 | 0 |
| Deinococcus-Thermus | 381 | 419 | 0 | 0.23 | 0 | 0.24 |
| Chlamydiae | 178 | 167 | 0 | 0 | 0 | 0 |
| Deferribacteres | 71 | 64 | 0 | 0 | 0 | 0 |
RDP-II: Ribosomal Database Project II. For each bacterial phylum of the RDP-II and Greengenes databases, the percentage of sequences possessing the Bacteroidetes and/or the Firmicutes DNA barcode was calculated.