Table 2.
Primers used for molecular analyses in this study.
| Targets | Primers | Sequence (5′-3′) | Length of amplicon (bp) | References |
|---|---|---|---|---|
| AOA | Arch-amoAF | STA ATG GTC TGG CTT AGA CG | 635 | [34] |
| arch-amoAR | GCG GCC ATC CAT CTG TAT GT | |||
|
| ||||
| AOB | amoA-1F | GGG GTT TCT ACT GGT GGT | 491 | [35] |
| amoA-2R | CCC CTC KGS AAA GCC TTC TTC | |||
AOA: ammonia-oxidizing archaea; AOB: ammonia-oxidizing bacteria. Forty-base pair GC-clamp, CGC CCG CCG CGC GCG GCG GGC GGG GCG GGG GCA CGG GGG C [36], was attached to the 5′ end of the forward primers.