Table 3.
Mean enzyme activities and enzyme ratios (ER) measured in An. stephensi populations from Afghanistan
| Enzyme | Population | Mean | ER ± SE |
|---|---|---|---|
| Alpha esterase | Beech | 0.000606935 | 1 |
| Kunar | 0.000882944 | 1.45 ± 0.04 | |
| Nangarhar | 0.001281330 | 2.11 ± 0.005 | |
| Beta esterase | Beech | 0.000560930 | 1 |
| Kunar | 0.000912961 | 1.62 ± 0.06 | |
| Nangarhar | 0.001039151 | 1.85 ± 0.02 | |
| GST | Beech | 0.094644126 | 1 |
| Kunar | 0.125687826 | 1.33 ± 0.05 | |
| Nangarhar | 0.170861991 | 1.8 ± 0.025 | |
| Cytochrome P450s | Beech | 0.000056364 | 1 |
| Kunar | 0.000126040 | 2.23 ± 0.12 | |
| Nangarhar | 0.000143667 | 2.54 ± 0.13 | |
| pNPA | Beech | 0.180557226 | 1 |
| Kunar | 0.292412987 | 1.61 ± 0.09 | |
| Nangarhar | 0.316713874 | 1.75 ± 0.013 | |
| % AChE inhibition | Beech | 70.977705297 | 1 |
| Kunar | 56.690061678 | 0.79 ± 0.02 | |
| Nangarhar | 51.579518613 | 0.72 ± 0.05 |
% AChE inhibition is the percentage of acetylcholine esterase inhibition of the field populations compared with the Beech susceptible strain