Table 2 Composition profiles of phylogenetic groups of bacteria based on 16S rRNA gene sequences from the clone libraries
Phylum or class | Clone library (% of abundance) | ||||||
|---|---|---|---|---|---|---|---|
Pre-treatment | UTC | BSD | CP | UTC-spinach | BSD-spinach | CP-spinach | |
Alphaproteobacteria | 26.2 | 17.7 | 11.6 | 10.7 | 30.7 | 32.9 | 25.0 |
Betaproteobacteria | 5.9 | 3.2 | 4.4 | 7.1 | 8.0 | 3.8 | 8.8 |
Gammaproteobacteria | 11.9 | 14.5 | 8.7 | - | 14.7 | 8.9 | 7.4 |
Deltaproteobacteria | - | 1.6 | 1.4 | - | 1.3 | - | - |
Acidobacteria | 10.7 | 9.7 | - | 8.3 | 9.3 | 8.9 | 4.4 |
Verrucomicrobia | - | 4.8 | - | - | - | - | 4.4 |
Bacteroidetes | 13.1 | 8.1 | - | - | 1.3 | 10.1 | 2.9 |
Planctomycetes | 3.6 | 4.8 | 2.9 | 1.2 | 4.0 | 6.3 | - |
Firmicutes (Clostridia) | - | 1.6 | 24.6 | - | - | 2.5 | - |
Firmicutes (Bacilli) | 3.6 | 3.2 | 34.8 | 53.6 | 1.3 | 3.8 | 4.4 |
Gemmatimonadetes | 8.3 | 19.4 | 7.2 | 9.5 | 14.7 | 7.6 | 14.7 |
TM7 | 5.9 | 4.8 | - | - | 2.7 | 6.3 | 8.8 |
Actinobacteria | 5.9 | 6.5 | - | 7.1 | 9.3 | 3.8 | 7.4 |
Chloroflexi | - | - | - | 2.4 | 2.7 | 3.8 | 2.9 |
Others | 4.8 | - | 4.4 | - | - | 1.3 | 8.8 |