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  • Title: Evaluation of hydrolytic enzyme activities from digestive fluids of Anthonomus grandis (Coleoptera: Curculionidae).
    Author: Ben Guerrero E, Salvador R, Talia P.
    Journal: Arch Insect Biochem Physiol; 2020 Oct; 105(2):e21730. PubMed ID: 32737998.
    Abstract:
    The cotton boll weevil, Anthonomus grandis, is a major pest of cotton crops in South America. In this work, partial biochemical characterizations of (hemi) cellulases and pectinases activities in the digestive system (head- and gut- extracts) of A. grandis were evaluated. Gut extract section from third instar larvae exhibited endoglucanase, xylanase, β-glucosidase, and pectinase activities. The endoglucanase and xylanase activities were localized in the foregut, whereas β-glucosidase activity was mainly detected in the hindgut. In addition, no difference in pectinase activity was observed across the gut sections. Thus, A. grandis digestive system is a potentially interesting reservoir for further lignocellulolytic enzymes research.
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