Table 2.
Percent relative abundance of abundant groupsa in 16S rRNA gene pyrosequence libraries not directly linked to PAH degradation by SIP
| Phylogenetic group | Monthly-fed bioreactor |
Weekly-fed bioreactor |
Feed soil |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 28 | 56 | 84 | 112 | 140 | 0 | 28 | 56 | 84 | 112 | 140 | 0 | 140 | |||||
| Acidobacteria Group 4 | 0.2 | 0.6 | 3.3 | 6.9 | 0.3 | 0.5 | 0.1 | 1.4 | 8.2 | 13.0 | 23.0 | 25.4 | <0.1 | <0.1 | ||||
| Brevundimonas | 3.5 | 0.6 | 1.8 | 1.1 | 0.4 | 0.4 | 4.0 | 7.0 | 10.9 | 12.1 | 5.4 | 7.6 | – | <0.1 | ||||
| Comamonas | 0.2 | 0.2 | 0.2 | <0.1 | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.3 | 0.1 | 0.2 | 8.3 | 9.5 | ||||
| Cupriavidus | 0.1 | <0.1 | <0.1 | 0.1 | 0.1 | <0.1 | 0.2 | <0.1 | <0.1 | – | <0.1 | – | 1.3 | 1.1 | ||||
| Diaphorobacter | <0.1 | <0.1 | <0.1 | <0.1 | – | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | 1.0 | 1.4 | ||||
| Herminiimonas | 0.9 | 0.1 | 0.1 | <0.1 | – | <0.1 | 0.8 | 0.1 | <0.1 | 0.1 | <0.1 | <0.1 | 2.9 | 1.9 | ||||
| Parvibaculum | 1.9 | 3.3 | 4.0 | 1.2 | 1.0 | 1.5 | 2.6 | 0.4 | <0.1 | <0.1 | – | 0.1 | – | 0.1 | ||||
| Phenylobacterium | 1.8 | 1.1 | 0.6 | 0.6 | 0.3 | 1.0 | 2.8 | 2.4 | 1.7 | 1.6 | 1.3 | 1.5 | 0.1 | 0.1 | ||||
| Sediminibacterium | 0.3 | <0.1 | <0.1 | 0.3 | 4.4 | 12.5 | 0.4 | 1.8 | 2.2 | 1.6 | 1.1 | 0.5 | – | – | ||||
| Sphingosinicella | 3.6 | 1.7 | 0.6 | 0.3 | <0.1 | 0.2 | 4.9 | 5.1 | 3.1 | 3.1 | 1.6 | 1.2 | – | <0.1 | ||||
| Terrimonas | 7.2 | 2.9 | 2.4 | 1.3 | 0.4 | <0.1 | 7.1 | 0.9 | 0.3 | 0.1 | 0.2 | 0.2 | – | – | ||||
| Thiobacillus | 4.9 | 4.8 | 7.0 | 6.7 | 3.8 | 7.0 | 4.5 | 7.2 | 6.7 | 6.2 | 6.7 | 4.9 | 0.1 | 0.2 | ||||
| Uncl. Alphaproteobacteria | 4.0 | 3.0 | 2.4 | 2.7 | 1.1 | 2.6 | 4.3 | 2.8 | 2.5 | 2.4 | 2.1 | 2.6 | 0.3 | 0.4 | ||||
| Uncl. Bacteroidetes | 8.7 | 17.5 | 9.7 | 9.3 | 15.8 | 4.7 | 4.5 | 3.8 | 1.3 | 1.5 | 3.3 | 1.3 | <0.1 | <0.1 | ||||
| Uncl. Betaproteobacteria | 4.3 | 2.8 | 2.1 | 1.9 | 1.5 | 2.2 | 4.5 | 2.0 | 1.7 | 1.8 | 2.2 | 1.6 | 1.0 | 0.7 | ||||
| Uncl. Bradyrhizobiaceae | 5.7 | 2.1 | 1.5 | 1.2 | 0.5 | 0.8 | 4.8 | 1.2 | 0.4 | 0.5 | 0.4 | 0.5 | 1.6 | 2.1 | ||||
| Uncl. Chitinophagaceae | 3.0 | 2.2 | 2.5 | 2.3 | 2.0 | 1.0 | 2.7 | 1.2 | 0.8 | 0.7 | 0.5 | 0.2 | <0.1 | – | ||||
| Uncl. Comamonadaceae | 1.7 | 2.4 | 3.0 | 2.5 | 1.5 | 2.0 | 2.7 | 2.5 | 2.5 | 2.9 | 2.4 | 2.4 | 0.9 | 1.5 | ||||
| Uncl. Erythrobacteraceae | 0.2 | 0.3 | 0.3 | 0.3 | 0.2 | 0.8 | 0.8 | 0.4 | 0.2 | 0.2 | 0.2 | 0.2 | 2.6 | 6.2 | ||||
| Uncl. Gammaproteobacteriab | 5.0 | 13.0 | 4.1 | 2.8 | 32.7 | 3.7 | 3.2 | 2.8 | 2.6 | 2.3 | 2.6 | 2.4 | 0.3 | 0.3 | ||||
| Uncl. Rhizobiales | 5.9 | 3.0 | 3.7 | 4.1 | 3.4 | 4.0 | 6.6 | 4.6 | 3.9 | 3.8 | 3.4 | 4.1 | 0.3 | 0.4 | ||||
| Uncl. Sphingomonadaceae | 3.3 | 3.3 | 4.5 | 6.0 | 1.8 | 5.2 | 3.5 | 3.4 | 3.1 | 3.2 | 3.6 | 4.4 | 6.4 | 4.9 | ||||
| Uncl. Sphingomonadales | 0.4 | 0.4 | 0.5 | 0.6 | 0.2 | 0.9 | 0.5 | 0.4 | 0.4 | 0.6 | 0.5 | 0.5 | 1.6 | 4.0 | ||||
| Uncl. Xanthomonadaceae | 0.3 | 0.1 | 0.8 | 1.6 | 2.7 | 0.3 | 0.3 | 0.3 | 0.2 | 0.4 | <0.1 | 0.2 | 2.8 | 2.4 | ||||
| Percentage of library | 67.1 | 65.4 | 55.1 | 53.8 | 74.3 | 51.5 | 66.0 | 52.0 | 53.1 | 58.4 | 60.6 | 61.9 | 31.4 | 37.0 | ||||