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Table 4 Activity of detoxifying enzymes from Bti-selected Ae. aegypti larvae

From: Long-term exposure of Aedes aegypti to Bacillus thuringiensis svar. israelensis did not involve altered susceptibility to this microbial larvicide or to other control agents

Larvae samplea α-EST β-EST GST MFO
n > 99%b Status n > 99%b Status n > 99%b Status n > 99%b Status
Rockefeller 150 89 96 112
RecBti F19 159 0 U 86 2 U 121 2 U 99 11 U
Rockefeller 167 128 142 96
RecBti F25 160 2 U 159 27 A 113 2 U 111 0 U
  1. Abbreviations: α-EST α-esterases, β-EST β-esterases, GST glutathione-S-transferases, MFO mixed-function oxidases, U, unaltered for percentage below 15%, A, altered for percentage between 15% and 50%
  2. aThird-instar larvae from the Rockefeller (Rocke) reference strain and the RecBti selected strain from generations F19 and F25
  3. bPercentage of individuals whose activity is higher than the 99th percentile of the Rockefeller larvae