Table 2.
Enrichment cultures of AOB from samples of Salar de Huasco at different salt concentrations
| Site | Sample | NaCl concentration (mM) | ||||
|---|---|---|---|---|---|---|
| 10 | 200 | 400 | 800 | 1,400 | ||
| H0 | H0a | + | + (H0a-200)** | + (H0a-400)** | − | + (H0a-1,400)*, ** |
| H0 | H0b | − | − | − | − | − |
| H1 | H1a | + | + | + (H1a-400)*,** | + (H1a-800)* | + |
| H1 | H1b | + (H1b-10) | + (H1b-200)* | + (H1b-400)* | − | − |
| H4 | H4 | − | − | + (H4-400)* | + | + |
| H6 | H6a | − | + (H6a-200)** | + (H6a-400)*, ** | − | + |
| H6 | H6b | + | − | + (H6b-400)* | + (H6b-800)*, ** | + (H6b-1,400)* |
| H6 | H6c | − | + | + (H6c-400)*, ** | + (H6c-800)*, ** | + |
| H6 | H6d | − | + (H6d-200)** | + (H6d-400)*, ** | + (H6d-800) | + (H6d-1,400) |
The presence (+) or absence (−) of nitrite accumulation, the enrichment used for molecular analysis and the ammonia oxidizers determined from 16S rDNA (*) and amoA (**) gene are indicated