Document Detail

Proteomic analysis of peritrophic membrane (PM) from the midgut of fifth-instar larvae, Bombyx mori.
MedLine Citation:
PMID:  21725639     Owner:  NLM     Status:  Publisher    
The insect peritrophic membrane (PM), separating midgut epithelium and intestinal contents, is protective lining for the epithelium and plays the important role in absorption of nutrients, and also is the first barrier to the pathogens ingested through oral feeding. In order to understand the biological function of silkworm larval PM, shotgun liquid chromatography tandem mass spectrometry (LC-MS/MS) approach was applied to investigate its protein composition. Total 47 proteins were identified, of which 51.1% of the proteins had the isoelectric point (pI) within the range of 5-7, and 53.2% had molecular weights within the range 15-45 kDa. Most of them were found to be closely related to larval nutrients metabolism and innate immunity. Furthermore, these identified proteins were annotated according to Gene Ontology Annotation in terms of molecular function, biological process and cell localization. Most of the proteins had catalytic activity, binding activity and transport function. The knowledge obtained from this study will favour us to well understand the role of larval PM in larval physiological activities, and also help us to find the potential target and design better biopesticides to control pest, particularly the Lepidoptera insect.
Xiaolong Hu; Lin Chen; Xingwei Xiang; Rui Yang; Shaofang Yu; Xiaofeng Wu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-2
Journal Detail:
Title:  Molecular biology reports     Volume:  -     ISSN:  1573-4978     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0403234     Medline TA:  Mol Biol Rep     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
College of Animal Science, Zhejiang University, Hangzhou, 310029, China.
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