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  • Title: Validation of the Target Protein of Insecticidal Dihydroagarofuran Sesquiterpene Polyesters.
    Author: Lu L, Qi Z, Li Q, Wu W.
    Journal: Toxins (Basel); 2016 Mar 18; 8(3):. PubMed ID: 26999207.
    Abstract:
    A series of insecticidal dihydroagarofuran sesquiterpene polyesters were isolated from the root bark of Chinese bittersweet (Celastrus angulatus Max). A previous study indicated that these compounds affect the digestive system of insects, and aminopeptidase N3 and V-ATPase have been identified as the most putative target proteins by affinity chromatography. In this study, the correlation between the affinity of the compounds to subunit H and the insecticidal activity or inhibitory effect on the activity of V-ATPase was analyzed to validate the target protein. Results indicated that the subunit H of V-ATPase was the target protein of the insecticidal compounds. In addition, the possible mechanism of action of the compounds was discussed. The results provide new ideas for developing pesticides acting on V-ATPase of insects.
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