The hemolymph proteome of Anopheles gambiae

We used two-dimensional SDS–PAGE and microsequencing or peptide mass fingerprinting to identify major proteins in the hemolymph of Anopheles gambiae. We found approximately 280 protein spots in hemolymph and identified 28 spots, representing 26 individual proteins. Most of these proteins have known...

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Veröffentlicht in:Insect biochemistry and molecular biology 2005-08, Vol.35 (8), p.815-824
Hauptverfasser: Paskewitz, Susan M., Shi, Lei
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Shi, Lei
description We used two-dimensional SDS–PAGE and microsequencing or peptide mass fingerprinting to identify major proteins in the hemolymph of Anopheles gambiae. We found approximately 280 protein spots in hemolymph and identified 28 spots, representing 26 individual proteins. Most of these proteins have known or predicted functions in immunity, iron transport, or lipid biology. Many of the proteins have been found in hemolymph in other insects but one protein is novel: a new member of the ML family (involved in lipid recognition). Three of the identified proteins increased in spot intensity or appeared de novo following bacterial injection: a phenoloxidase, and two chitinase-like proteins. A subset of proteins decreased following bacterial injections: these included the light and heavy chains of ferritin. Several proteins appeared in hemolymph following any wound or injection. Most of these are metabolic enzymes lacking signal peptides that are likely to be released as a result of damage to muscles and other tissues by injury. The map will provide a useful tool for examining changes in hemolymph proteins following blood feeding and infection by parasites.
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subjects amino acid sequences
animal injuries
Animals
Anopheles - genetics
Anopheles - immunology
Anopheles gambiae
Bacteria - pathogenicity
bacterial infections
Culicidae
DNA Fingerprinting
Electrophoresis, Polyacrylamide Gel
hemolymph
Hemolymph - chemistry
hemolymph proteins
Immunity
injection
Injury
insect immunity
insect proteins
Iron
Lipid
protein synthesis
Proteome
proteomics
Sequence Analysis
two-dimensional SDS–PAGE
title The hemolymph proteome of Anopheles gambiae
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