ArticleJournal of insect science (Online)2017
In Vitro and In Vivo Effects of α-Amylase Inhibitor From Avena sativa Seeds on Life History and Physiological Characteristics of Sitotroga cerealella (Lepidoptera: Gelechiidae).
Article in Journal of insect science (Online), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Black Oat (Current pharmaceutical design · 2026Article
- Genome-Wide Identification and Expression Profiling of Glycosidases, Lipases, and Proteases from Invasive Asian Palm Weevil,Insects · 2025Article
- Phosphate-Dependent Regulation of Growth and Stresses Management in Plants.Frontiers in plant science · 2021Review
- Pectin Digestion in Herbivorous Beetles: Impact of Pseudoenzymes Exceeds That of Their Active Counterparts.Frontiers in physiology · 2019Article
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3 authors.
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Abstract
The inhibitory effects of Avena sativa L. seed extract were studied on life history and some physiological aspects of Sitotroga cerealella (Olivier; Lepidoptera: Gelechiidae). The inhibition of α-amylase activity in vitro by A. sativa proteinaceous extract suggested its potential antimetabolic effect on S. cerealella larvae. Although, chronic ingestion of A. sativa inhibitor (I10: 0.108 mg protein/artificial seed) did not show significant reduction of the growth and development of S. cerealella. However, a delay in the developmental time of immature stages was detected when S. cerealella larvae were continuously fed on I30 and I50 concentrations (0.429 and 1.11 mg protein/artificial seed, respectively) of the inhibitor. The highest realized fecundity was recorded for females which came from larvae fed on I10 concentration (102.46 ± 2.50 eggs/female), and the lowest fecundity was observed for females which came from larvae fed on I50 concentration (31.64 ± 3.17 eggs/female). The lightest weight of pupae of S. cerealella was observed on I50 concentration (2.76 ± 0.07 mg). The lowest glycogen and lipid contents of the pupae were detected on I50 concentration (50.00 ± 3.53 and 289.57 ± 29.00 µg/pupa, respectively). The lower survival rate of pupae at low temperature indicated that S. cerealella fed on I50 concentration of the inhibitor was less cold tolerant than control insects. The inhibitory studies indicated that A. sativa proteinaceous extract is a good candidate as an inhibitor of the α-amylase of this pest. This inhibitor can be expressed in genetically engineered plants to confer resistance to S. cerealella.
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