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Table 3 Microtitre plate assays optical density values of enzymes activity

From: Multiple insecticide resistance in Anopheles gambiae from Tanzania: a major concern for malaria vector control

Site

Non specific esterases

Oxidases

GSTs

Mean ± SD

Mean ± SD

Mean ± SD

Kisumu (susceptible strain)

0.95 ± 0.11

0.65 ± 0.19

0.015 ± 0.036

Arumeru

1.58 ± 0.46a

0.83 ± 0.12a

0.232 ± 0.105a

Babati

1.22 ± 0.22

0.63 ± 0.14

0.003 ± 0.001

Bagamoyo

0.84 ± 0.46

0.1 ± 0.43

0.021 ± 0.048

Iringa

0.96 ± 0.52

0.65 ± 0.5

0.001 ± 0.003

Kahama

0.91 ± 0.13

0.6 ± 0.17

0.041 ± 0.116a

Kilombero

1.12 ± 0.39

0.96 ± 0.76a

0.031 ± 0.034

Kilosa

0.92 ± 0.11

0.51 ± 0.09

0.001 ± 0.002

Kondoa

1.17 ± 0.22

0.91 ± 0.2a

0.001 ± 0.008

Kyela

0.88 ± 0.52

0.48 ± 0.31

0.02 ± 0.048a

Magu

0.93 ± 0.10

0.64 ± 0.07

0.003 ± 0.001

Musoma

0.99 ± 0.16

0.53 ± 0.26

0.003 ± 0.001

Ngara

0.94 ± 0.17

0.53 ± 0.14

0.003 ± 0.001

Ruangwa

1.10 ± 0.35

0.74 ± 0.75

0.042 ± 0.039

Songea

0.87 ± 0.13

0.81 ± 0.21

0.001 ± 0.002

Muheza

0.95 ± 0.37

0.7 ± 0.15

0.004 ± 0.003

  1. GST glutathione S-transferases
  2. aStatistically significant levels compared to the susceptible Kisumu strain