Table 3.
Frequency of RDase or hydrolytic/oxidative dehalogenase genes detected in the metagenomes generated from the lake sediment.
| Square | Bennett | Turtle | Tanners | Carver | |
|---|---|---|---|---|---|
| Reductive dehalogenase genes | 23 | 17 | 11 | 30 | 25 |
| Haloalkane dehalogenase genes | 83 | 53 | 79 | 64 | 59 |
| 2-Haloacid dehalogenase genes | 12 | 8 | 20 | 4 | 7 |
| Haloacetate dehalogenase genes | 23 | 12 | 23 | 9 | 13 |
| Di- and monooxygenase dehalogenase genes | 11 | 13 | 17 | 9 | 12 |
| Other dehalogenase genes | 8 | 10 | 5 | 6 | 9 |
| nirK | 283 | 47 | 773 | 244 | 276 |
| nirS | 13 | 9 | 41 | 3 | 7 |
| amoA | 23 | 6 | 10 | 7 | 6 |
| amoB | 26 | 3 | 15 | 0 | 8 |
| Median chloride | 35.3 | 160 | 150 | 146 | 151.3 |
| Watershed road density (percent) | >18 | 23 | <18 | 29 | 25 |
The numbers shown are gene copies per 10 million reads. A full list of the hydrolytic/oxidative dehalogenase genes found is included in the Supplementary Material.