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Table 3 Mean α- and β-esterase and monooxygenases activities in field collected An. culicifacies

From: Characterization and monitoring of deltamethrin-resistance in Anopheles culicifacies in the presence of a long-lasting insecticide-treated net intervention

Survey Site n α-Esterases, mmol/min/mg ± SD β-Esterases, mmol/min/mg ± SD Monooxygenases, mmol/mg ± SD
  Susceptible lab strain 47 0.62 ± 0.08 0.50 ± 0.09 0.0026 ± 0.0005
Post LLIN survey-I C1 60 1.14 ± 0.56* 1.04 ± 0.53* 0.0030 ± 0.0011
C2 60 1.27 ± 0.55* 1.27 ± 0.61* 0.0034 ± 0.0014*
C9 53 1.50 ± 0.72* 1.38 ± 0.70* 0.0027 ± 0.0011
C11 123 1.37 ± 0.65* 1.38 ± 0.70* 0.0031 ± 0.0013*
C12 30 1.39 ± 0.64* 1.14 ± 0.67* 0.0064 ± 0.0024*
Post LLIN survey-II C1 47 1.78 ± 0.79* 1.39 ± 0.68* 0.0047 ± 0.0017*
C2 47 0.91 ± 0.47* 0.74 ± 0.43* 0.0042 ± 0.0020*
C6 47 1.05 ± 0.57* 0.86 ± 0.52* 0.0075 ± 0.0045*
C8 34 1.57 ± 0.77* 1.12 ± 0.70* 0.0052 ± 0.0015*
C9 47 0.91 ± 0.54* 0.81 ± 0.52* 0.0040 ± 0.0020*
C10 47 1.35 ± 0.72* 0.98 ± 0.62* 0.0058 ± 0.0024
C11 47 0.90 ± 0.60* 0.72 ± 0.57 0.0051 ± 0.0016*
C12 47 1.20 ± 0.58* 0.87 ± 0.54* 0.0040 ± 0.0022*
C13 47 0.96 ± 0.55* 0.82 ± 0.56* 0.0045 ± 0.0016*
C15 47 1.05 ± 0.60* 0.91 ± 0.52* 0.0034 ± 0.0013*
C16 47 2.25 ± 1.00* 2.21 ± 1.08* 0.0065 ± 0.0018*
  1. n number of samples, SD standard deviation
  2. * Levels of enzyme activity significantly increased compared with susceptible lab strain