TABLE 3.
Relative abundance of selected phylaa summed across all water types for a given sand type for each of the three cross-feeding experiments
| Expt. | Phylum | Total reads (%) |
||
|---|---|---|---|---|
| GWS | RBS | PZS | ||
| CF1 | Proteobacteria | 72.3 | 39.8 | 53.3 |
| Acidobacteria | 1.9 | 11.7 | 8.8 | |
| Bacteroidetes | 3.0 | 6.7 | 5.5 | |
| Cyanobacteria | 8.3b | 9.4c | 2.1c | |
| Nitrospirae | 1.6 | 1.1 | 1.4 | |
| Planctomycetes | 3.4 | 15.5 | 11.5 | |
| Verrucomicrobia | 1.1 | 4.6 | 3.4 | |
| Crenarchaeota | 0.6 | 1.1 | 2.2 | |
| CF2 | Proteobacteria | 70.1 | 40.0 | 50.7 |
| Acidobacteria | 1.1 | 7.5 | 6.2 | |
| Bacteroidetes | 6.3 | 13.0 | 7.4 | |
| Cyanobacteria | 1.3b | 5.4c | 2.5c | |
| Nitrospirae | 1.8 | 1.7 | 2.2 | |
| Planctomycetes | 5.5 | 11.6 | 12.0 | |
| Verrucomicrobia | 2.1 | 5.5 | 4.9 | |
| Crenarchaeota | 2.3 | 2.1 | 2.1 | |
| DCF | Proteobacteria | 75.8 | 44.3 | 50.2 |
| Acidobacteria | 0.7 | 8.1 | 7.7 | |
| Bacteroidetes | 13.7 | 10.4 | 13.4 | |
| Cyanobacteria | 0.4b | 9.3c | 1.8c | |
| Nitrospirae | 1.1 | 0.9 | 2.5 | |
| Planctomycetes | 1.9 | 10.5 | 10.4 | |
| Verrucomicrobia | 1.3 | 8.1 | 4.4 | |
| Crenarchaeota | 0.1 | 0.2 | 0.9 | |
a
See Discussion for phyla.
b
Taxa were dominated (82 to 94%) by nonphotosynthetic taxa from class ML635J-21.
c
Taxa were dominated (70 to 94%) by chloroplasts of eukaryotic algae of the order Stramenopiles.