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Table 3 Mean enzyme activities and enzyme ratios (ER) measured in An. stephensi populations from Afghanistan

From: Status of insecticide resistance and its biochemical and molecular mechanisms in Anopheles stephensi (Diptera: Culicidae) from Afghanistan

Enzyme Population Mean ER
Alfa esterase Susceptible 0.000517 1
Kunar 0.000983 1.90
Laghman 0.001050 2.03
Nangarhar 0.000917 1.77
Beta esterase Susceptible 0.000567 1
Kunar 0.000961 1.69
Laghman 0.001075 1.89
Nangarhar 0.000904 1.59
GST Susceptible 0.11445 1
Kunar 0.16204 1.41
Laghman 0.23021 2.01
Nangarhar 0.21822 1.90
cytochrome p450 Susceptible 0.0000491 1
Kunar 0.0001316 2.68
Laghman 0.0001167 2.37
Nangarhar 0.0001204 2.45
% AChE inhibition Susceptible 68.63 1
Kunar 51.98 0.75
Laghman 48.82 0.71
Nangarhar 53.14 0.77
  1. ERs are the results of the mean enzyme activity or content of the field populations divided by those of the susceptible Beech population. %AChE inhibition is the percentage of acetylcholinesterase inhibition of the field populations compared with the susceptible Beech population