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Table 2 Enzyme activities of the Anopheles arabiensis SENN DDT strain at periods following exposure to elevated temperatures

From: The effect of elevated temperatures on the life history and insecticide resistance phenotype of the major malaria vector Anopheles arabiensis (Diptera: Culicidae)

Treatment

Enzyme

Control

2-h recovery

3-h recovery

4-h recovery

5-h recovery

6-h recovery

7-h recovery

8-h recovery

P450 (cytochrome P450 equivalents/mg/ml)

0.0009 (±0.001)

0.0013 (±0.001)

0.0014 (±0.001)

0.0014 (±0.001)

0.0015 (±0.001)

0.0015 (±0.001)

0.0012 (±0.001)

0.0014 (±0.001)

α-Esterase (α-Napathol equivalents/mg/ml)

0.0805 (±0.044)

0.0405 (±4.2 × 10−3)

0.0381 (±6.3 × 10−3)

0.0398 (±4.1 × 10−3)

0.0357 (±8.3 × 10−3)

0.0388 (±6.4 × 10−3)

0.0400 (±3.9 × 10−3)

0.0424 (±3.6 × 10−3)

β-Esterase (β-Napathol equivalents/mg/ml)

0.1279 (±0.086)

0.1198 (±0.022)

0.1139 (±0.028)

0.1173 (±0.011)

0.1051 (±0.0215)

0.1142 (±0.018)

0.1188 (±0.015)

0.1244 (±0.013)

  1. Females of the resistant SENN DDT strain was allowed to recover for 2–8 h after a 1-h exposure to 39 °C. For each hour, individuals were collected and cold terminated, and the enzyme activity at that particular time point was assessed