Reduction in the susceptibility of Aedes aegypti to Brugia malayi infection after treatment with ethyl methanesulfonate.
نویسندگان
چکیده
The susceptibility to Brugia malayi infections of F2 and F4 progenies of Aedes aegypti (Black Eye strain) treated with ethyl methanesulfonate (EMS) was tested. Both 3-day-old males and females were treated with 0.025, 0.050, 0.075 and 0.10% EMS. Control and treated females were then mated with normal or treated males to recover F1 progeny. F2 offspring were derived from sibling intercrosses, and 3 lines were established by further intercross matings to generate the F4. Susceptibility in the 0.025, 0.050, 0.075 and 0.10% EMS F2s was reduced by 13, 12, 4 and 25%, respectively. The 0.025% and 0.050% EMS F2 females showed a 29 to 39% decrease in mean L3 numbers. At 0.075 and 0.10% EMS, mean L3 numbers decreased by 0.8 and 71%, respectively. The F4 populations gave overall infections of 65, 56 and 22% for the control, 0.25 and 0.10% EMS lines, respectively. Mean L3s were reduced by 24 and 77%, respectively, in the 0.025 and 0.10% F4 EMS-selected populations.
منابع مشابه
Reduction in susceptibility to Brugia malayi of F2 progeny of Aedes togoi treated with ethyl methanesulfonate.
The susceptibility to Brugia malayi infection was tested in F2 female progeny derived from male and female Aedes togoi treated with ethyl methanesulfonate (EMS). Three-day-old males and females were treated with 0.025, 0.050, and 0.075, 0.10, 0.15, or 0.20% EMS by allowing them to feed for 5 days on sugar cubes containing EMS and then mated at random. Percentage of susceptibility and mean numbe...
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عنوان ژورنال:
- Journal of the American Mosquito Control Association
دوره 8 4 شماره
صفحات -
تاریخ انتشار 1992