Inhibition of cuticular lipid synthesis and its effect on insect survival.
A new approach to insect control--using sodium trichloroacetate (NaTCA) to inhibit synthesis of the hydrophobic cuticular lipids that protect insects from dehydration--was tested on Triatoma infestans. In vivo and in vitro studies of incorporation of radioactive precursors showed diminished cuticular hydrocarbon synthesis after NaTCA treatment. Thin layer chromatography and scanning electron microscopy showed disruption of the cuticular lipid layer of NaTCA-treated insects, which also have increased mortality and altered molting cycles. NaTCA treatment enhanced the penetration and increased the lethality of a contact insecticide.[1]References
- Inhibition of cuticular lipid synthesis and its effect on insect survival. Juárez, P. Arch. Insect Biochem. Physiol. (1994) [Pubmed]
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