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Type: Artigo de periódico
Title: Effect of a toxic protein isolated from Zea mays seeds on the development and survival of the cowpea weevil, Callosobruchus maculatus
Author: Macedo, MLR
Coelho, MB
Freire, MDM
Lima, O
Machado, OLT
Marangoni, S
Novello, JC
Abstract: A new toxic glycoprotein (Zeatoxin) has been isolated from Zea mays and sequenced. The toxin is a single polypeptide chain, with Mr of 10 kDa. Zeatoxin was not digested by a mixture of pepsin and papain or by midgut preparations of C. maculatus. A diet of artificial seeds (final concentration, 0.25%) was lethal to 50% of C. maculatus. These results show that Zeatoxin is a new toxic glycoprotein to C. maculatus. A search in the database indicated that the N-terminal sequence show no homology to any other known protein.
Country: Holanda
Editor: Bentham Science Publ Ltd
Citation: Protein And Peptide Letters. Bentham Science Publ Ltd, v. 7, n. 4, n. 225, n. 231, 2000.
Rights: fechado
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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