Table 2. Inhibitory effect of nitrate and (per)chlorate against Desulfovibrio alaskensis G20 pre-grown on nitrate or (per)chlorate, IC50 (mM) (95% confidance interval)a.
| NO3− | ClO4− | ClO3− | |
|---|---|---|---|
| No pre-treatment | 91 (82–100) | 15 (13–17) | 17 (16–19) |
| Pre-grown 30 mM NO3− | >150 | 33 (27–42) | 38 (31–46) |
| Pre-grown 10 mM ClO4− | >150 | 43 (39–49) | 65 (17–248) |
| Pre-grown 5 mM ClO3− | >150 | 27 (22–32) | 48 (46–50) |
a
IC50 against initial growth rate (0–6 h) of Desulfovibrio alaskensis G20. Values for the 95% confidence intervals are shown in parentheses. Italicized values for IC50 values represent significant differences between the no pre-treatment control and pre-grown conditions, Analysis of variance, P<0.05.