TABLE 3.
Relative abundance of nirK sequences from each study site within designated phylogenetic clusters
| Cluster | Relative abundance of sequence from nirK clone library (%)
|
Avg similarity (%)a | No. of sequences | |||||
|---|---|---|---|---|---|---|---|---|
| UND | R89 | R97 | R00 | R01 | R03 | |||
| A | 14 | 32 | 20 | 40 | 21 | 26 | 95 | 41 |
| B | 7 | 4 | 13 | 96 | 7 | |||
| C | 7 | 4 | 17 | 9 | 96 | 9 | ||
| D | 13 | 17 | 96 | 7 | ||||
| E | 8 | 4 | 4 | 98 | 4 | |||
| F | 7 | 36 | 3 | 8 | 9 | 98 | 16 | |
| G | 14 | 96 | 4 | |||||
| H | 18 | 3 | 95 | 6 | ||||
| I | 4 | 7 | 8 | 4 | 94 | 6 | ||
| J | 7 | 4 | 3 | 4 | 88 | 5 | ||
| K | 4 | 11 | 4 | 17 | 4 | 85 | 10 | |
| L | 11 | 25 | 13 | 96 | 14 | |||
| Singletons | 25 | 11 | 24 | 17 | 13 | 22 | ||
a
Based on pairwise comparison of deduced amino acid sequences within each cluster.