Proteomic analysis of brown planthopper: application to the study of carbamate toxicity

Insect Biochemistry and Molecular Biology
Rashmi SharmaHiroaki Noda

Abstract

Toxicity to o-sec-butylphenyl methylcarbamate compound (BPMC) was analyzed in the rice brown planthopper, Nilaparvata lugens, using a differential proteomics approach of identifying proteins on two dimensional-polyacrylamide gel electrophoresis (2D-PAGE). Proteome analysis from BPMC-treated brown planthopper resulted in the modulation of 22 proteins at the expression level as compared to control samples on coomassie brilliant blue (CBB) stained gels. Out of total 22 proteins, 10 proteins showed elevated expression, eight proteins showed decreased expression and four proteins showed specific expression after insecticide treatment. The N-terminal sequences of seven out of 22 proteins were determined by a gas-phase protein sequencer. The internal amino acid sequences of the 15 proteins were determined by the sequence analyses of peptides obtained by Cleveland peptide mapping method and were compared with those of the known proteins available in public databases and the EST database of the brown planthopper in our laboratory to understand the nature of the proteins. Sequence analyses revealed that the expression of putative serine/threonine protein kinase, paramyosin, HSP 90, beta-tubulin, calreticulin, ATP synthase, actin and trop...Continue Reading

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Citations

Dec 3, 2009·Proteomics·Marco F L LemosAna C Esteves
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Oct 5, 2013·Journal of Proteome Research·Vishal V DawkarAshok P Giri

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