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Effects of a Chitin Binding Vicilin from Erythrina velutina Seeds on Bean Bruchid Pests (Callosobruchus maculatus and Zabrotes subfasciatus)

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Erythrina velutina vicilin, EvV, is a dimeric glycoprotein with Mr of 124.6 kDa. EvV was tested for anti-insect activity against bean bruchid larvae. EvV had LD50 of 0.10% and ED50 of 0.14% for Z. subfasciatus and LD50 of 0.26% and ED50 of 0.19% for C. maculatus. EvV was not digested by bean larvae enzymes until 12 h of incubation, and at 24 h EvV was more resistant to Z. subfasciatus enzymes.

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Keywords: Callosobruchus maculatus; Chitin binding vicilin; Erythrina velutina; Zabrotes subfasciatus

Document Type: Research Article

Publication date: March 1, 2008

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
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