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Novel insights into plant defensin ingestion induced metabolic responses in the polyphagous insect pest Helicoverpa armigera by Javed A. Mulla; Vaijayanti A. Tamhane is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Novel insights into plant defensin ingestion induced metabolic responses in the polyphagous insect pest Helicoverpa armigera about?
## Abstract Lepidopteran insect pest Helicoverpa armigera is one of the most destructive pests of crop plants and several biotechnological approaches are being developed for its control. Plant defensins are small cationic and cysteine-rich peptides that play a role in plant defense. Ingestion of a defensin from Capsicum annuum (CanDef-20) induced a dose-dependent reduction in larval and pupal mass, delayed metamorphosis and also severely reduced fecundity and fertility in H. armigera. To understand the molecular mechanisms of CanDef-20 ingestion-mediated antibiosis in H. armigera larvae, a comparative transcriptomics analysis was carried out. Predominant downregulation of GOs represents serine-type endopeptidases, structural constituents of ribosomes and integral membrane components and differential upregulation of ATP binding, nucleus and translation, while up-regulation of nucleic acid binding represented by transposable elements, were detected. Different isoforms of lipase, serine endopeptidase, glutathione S-transferase, cadherin, alkaline phosphatase and aminopeptidases were found to be upregulated as a compensatory response to CanDef-20 ingestion. In vitro enzyme assays and q
Who reads Novel insights into plant defensin ingestion induced metabolic responses in the polyphagous insect pest Helicoverpa armigera?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Javed A. Mulla; Vaijayanti A. Tamhane
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)