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Internal proteins of influenza virus: 35S-methionine peptide maps as genetic markers.

Identifieur interne : 002A39 ( Main/Exploration ); précédent : 002A38; suivant : 002A40

Internal proteins of influenza virus: 35S-methionine peptide maps as genetic markers.

Auteurs : N J Dimmock ; A S Carver ; S I Kennedy ; M R Lee ; S. Luscombe

Source :

RBID : pubmed:915480

Descripteurs français

English descriptors

Abstract

Methods are described for the preparation in vivo of 35S-methionine-labelled influenza viruses, the purifiction of the nucleoprotein (NP) and matrix (M) proteins and the separation of peptides obtained by protease digestion by two-dimensional thin-layer chromatography. The maps of the M proteins of A/Okuda/57(H2N2) and A/Finland/4/74(H3N2) were very similar overall but differed in three peptides. Hence they could be clearly distinguished. Maps of the NP proteins of the same strains showed a greater number of differences. A recombinant strain having the haemagglutinin and neuraminidase of the A/Finland/4/74 parent and the virulence of the A/Okuda/57 parent was shown to have the M and P proteins of A/okuda/57.

DOI: 10.1099/0022-1317-36-3-503
PubMed: 915480


Affiliations:


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Le document en format XML

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<term>Chromosome Mapping</term>
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<term>Influenza A virus (genetics)</term>
<term>Methionine</term>
<term>Neuraminidase (genetics)</term>
<term>Nucleoproteins (genetics)</term>
<term>Peptides (genetics)</term>
<term>Recombination, Genetic</term>
<term>Sulfur Radioisotopes</term>
<term>Viral Proteins (genetics)</term>
<term>Virion (genetics)</term>
<term>Virulence</term>
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<term>Cartographie chromosomique</term>
<term>Gènes viraux</term>
<term>Hémagglutinines virales (génétique)</term>
<term>Méthionine</term>
<term>Nucléoprotéines (génétique)</term>
<term>Peptides (génétique)</term>
<term>Protéines virales (génétique)</term>
<term>Radio-isotopes du soufre</term>
<term>Recombinaison génétique</term>
<term>Sialidase (génétique)</term>
<term>Virion (génétique)</term>
<term>Virulence</term>
<term>Virus de la grippe A (génétique)</term>
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<term>Hemagglutinins, Viral</term>
<term>Neuraminidase</term>
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<term>Peptides</term>
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<term>Influenza A virus</term>
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<div type="abstract" xml:lang="en">Methods are described for the preparation in vivo of 35S-methionine-labelled influenza viruses, the purifiction of the nucleoprotein (NP) and matrix (M) proteins and the separation of peptides obtained by protease digestion by two-dimensional thin-layer chromatography. The maps of the M proteins of A/Okuda/57(H2N2) and A/Finland/4/74(H3N2) were very similar overall but differed in three peptides. Hence they could be clearly distinguished. Maps of the NP proteins of the same strains showed a greater number of differences. A recombinant strain having the haemagglutinin and neuraminidase of the A/Finland/4/74 parent and the virulence of the A/Okuda/57 parent was shown to have the M and P proteins of A/okuda/57.</div>
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