Table 3. Detection of host-specific Bacteroidales genetic markers in river water samples.
| Basin | Site | No. of tested samples | E. coli | BacHum | BacR | Pig2Bac | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. of positive samples (% positive) | Concentration (log MPN/l) |
No. of positive samples (% positive) | Concentration (log copies/l) |
No. of positive samples (% positive) | Concentration (log copies/l) |
No. of positive samples (% positive) | Concentration (log copies/l) |
|||
| Shiokawa River | S1 | 3 | 3 (100) |
2.4 ± 0.7 | 0 (0%) |
Not detected | 3 (100%) |
3.7 ± 0.2 | 0 (0%) |
Not detected |
| S2 | 3 | 3 (100) |
2.4 ± 0.3 | 1 (33%) |
4.4 | 3 (100%) |
3.7 ± 0.2 | 0 (0%) |
Not detected | |
| S3 | 3 | 3 (100) |
2.3 ± 0.2 | 0 (0%) |
Not detected | 3 (100%) |
4.0 ± 0.2 | 0 (0%) |
Not detected | |
| Fujikawa River | F1 | 9 | 9 (100) |
2.9 ± 0.3 | 9 (100%) |
5.6 ± 0.6 | 3 (33%) |
3.9 ± 0.0 | 0 (0%) |
Not detected |
| F2 | 9 | 9 (100) |
2.6 ±0.6 | 7 (78%) |
4.9 ± 0.2 | 4 (44%) |
4.0 ± 0.2 | 0 (0%) |
Not detected | |
| F3 | 9 | 9 (100) |
2.7 ± 0.5 | 9 (100%) |
5.1 ± 0.2 | 5 (56%) |
4.0 ± 0.5 | 1 (11%) |
3.4 | |
| F4 | 9 | 9 (100) |
2.5 ± 0.5 | 5 (56%) |
5.0 ± 0.6 | 3 (33%) |
4.1 ± 0.2 | 0 (0%) |
Not detected | |
| F5 | 9 | 9 (100) |
2.6 ± 0.3 | 8 (89%) |
4.9 ± 0.2 | 1 (11%) |
4.3 | 0 (0%) |
Not detected | |
| F6 | 9 | 9 (100) |
3.2 ± 0.7 | 9 (100%) |
6.3 ± 0.5 | 9 (100%) |
4.2 ± 0.6 | 8 (89%) |
4.1 ± 0.4 | |