TABLE 3.
Characterization of dynamic changes in microcosms: sequences of dominant PCR amplicons derived from DGGE gels before and after TCSD exposure
| Time point | DNA amplicon | Total no. of bp | Ambiguity (%) | Closest relative (% sequence similarity)a |
|---|---|---|---|---|
| Before TCSD exposure | B1 | 173 | 25 | No significant match |
| B2 | 176 | 24 | Uncultured beta proteo- bacterium AF388886 (96) | |
| B3 | 174 | 20 | Beta proteobacterium AY146666 (94) | |
| B4 | 186 | 26 | No significant match | |
| After TCSD exposure | A1 | 188 | 11 | Uncultured Sphingomonas sp. AF388890 (92) |
| A2 | 153 | 15 | Alpha proteobacterium AF236002 (94) |
a
Identities based on information from BLAST database.