GrippeCanadaV3, Main, Curation, bibRecord, 000B84

Recent H3N2 swine influenza virus with haemagglutinin and nucleoprotein genes similar to 1975 human strains.

Identifieur interne : 000B84 ( Main/Curation ); précédent : 000B83; suivant : 000B85

Recent H3N2 swine influenza virus with haemagglutinin and nucleoprotein genes similar to 1975 human strains.

Auteurs : M H Bikour [Canada] ; E H Frost ; S. Deslandes ; B. Talbot ; J M Weber ; Y. Elazhary

Source :

The Journal of general virology [ 0022-1317 ] ; 1995.

RBID : pubmed:7897358

Descripteurs français

English descriptors

KwdEn :
- Amino Acid Sequence, Animals, Antigenic Variation (genetics), Base Sequence, Genes, Viral (genetics), Hemagglutinins, Viral (chemistry), Hemagglutinins, Viral (genetics), Humans, Influenza A Virus, H3N2 Subtype, Influenza A virus (chemistry), Influenza A virus (genetics), Molecular Sequence Data, Nucleoproteins (chemistry), Nucleoproteins (genetics), Phylogeny, Quebec, RNA-Binding Proteins, Sequence Analysis, DNA, Swine, Viral Core Proteins (chemistry), Viral Core Proteins (genetics).
MESH :
- chemical , chemistry : Hemagglutinins, Viral, Nucleoproteins, Viral Core Proteins.
- chemical , genetics : Viral Core Proteins.
- geographic : Quebec, RNA-Binding Proteins.
- chemistry : Influenza A virus.
- genetics : Antigenic Variation, Genes, Viral, Hemagglutinins, Viral, Influenza A virus, Nucleoproteins.
- Amino Acid Sequence, Animals, Base Sequence, Humans, Influenza A Virus, H3N2 Subtype, Molecular Sequence Data, Phylogeny, Sequence Analysis, DNA, Swine.

Abstract

Of the four pandemic strains of human influenza A virus observed this century, the 1977 virus strain was very similar in all genes to a 1950 isolate. Since mammalian influenza A viruses change annually by genetic drift, this reappearance could only be attributed at that time to conservation of the virus in a frozen state. We report here the isolation of swine influenza A viruses with haemagglutinin and nucleoprotein genes which are virtually identical to those of the human virus that circulated in 1975. We have also found serological evidence that this virus is circulating extensively in Quebec swine herds. We propose that human-like H3N2 influenza A strains may remain invariant for long periods in swine, which may serve as a reservoir for human pandemics.

DOI: 10.1099/0022-1317-76-3-697
PubMed: 7897358

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pubmed:7897358

Le document en format XML

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<author><name sortKey="Bikour, M H" sort="Bikour, M H" uniqKey="Bikour M" first="M H" last="Bikour">M H Bikour</name>
<affiliation wicri:level="1"><nlm:affiliation>Section de virologie, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec, Canada.</nlm:affiliation>
<country xml:lang="fr">Canada</country>
<wicri:regionArea>Section de virologie, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Frost, E H" sort="Frost, E H" uniqKey="Frost E" first="E H" last="Frost">E H Frost</name>
</author>
<author><name sortKey="Deslandes, S" sort="Deslandes, S" uniqKey="Deslandes S" first="S" last="Deslandes">S. Deslandes</name>
</author>
<author><name sortKey="Talbot, B" sort="Talbot, B" uniqKey="Talbot B" first="B" last="Talbot">B. Talbot</name>
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<author><name sortKey="Weber, J M" sort="Weber, J M" uniqKey="Weber J" first="J M" last="Weber">J M Weber</name>
</author>
<author><name sortKey="Elazhary, Y" sort="Elazhary, Y" uniqKey="Elazhary Y" first="Y" last="Elazhary">Y. Elazhary</name>
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<author><name sortKey="Deslandes, S" sort="Deslandes, S" uniqKey="Deslandes S" first="S" last="Deslandes">S. Deslandes</name>
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<author><name sortKey="Talbot, B" sort="Talbot, B" uniqKey="Talbot B" first="B" last="Talbot">B. Talbot</name>
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<author><name sortKey="Weber, J M" sort="Weber, J M" uniqKey="Weber J" first="J M" last="Weber">J M Weber</name>
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<term>Animals</term>
<term>Antigenic Variation (genetics)</term>
<term>Base Sequence</term>
<term>Genes, Viral (genetics)</term>
<term>Hemagglutinins, Viral (chemistry)</term>
<term>Hemagglutinins, Viral (genetics)</term>
<term>Humans</term>
<term>Influenza A Virus, H3N2 Subtype</term>
<term>Influenza A virus (chemistry)</term>
<term>Influenza A virus (genetics)</term>
<term>Molecular Sequence Data</term>
<term>Nucleoproteins (chemistry)</term>
<term>Nucleoproteins (genetics)</term>
<term>Phylogeny</term>
<term>Quebec</term>
<term>RNA-Binding Proteins</term>
<term>Sequence Analysis, DNA</term>
<term>Swine</term>
<term>Viral Core Proteins (chemistry)</term>
<term>Viral Core Proteins (genetics)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Analyse de séquence d'ADN</term>
<term>Animaux</term>
<term>Données de séquences moléculaires</term>
<term>Gènes viraux (génétique)</term>
<term>Humains</term>
<term>Hémagglutinines virales ()</term>
<term>Hémagglutinines virales (génétique)</term>
<term>Nucléoprotéines ()</term>
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<term>Phylogénie</term>
<term>Protéines de liaison à l'ARN</term>
<term>Protéines du core viral ()</term>
<term>Protéines du core viral (génétique)</term>
<term>Québec</term>
<term>Sous-type H3N2 du virus de la grippe A</term>
<term>Suidae</term>
<term>Séquence d'acides aminés</term>
<term>Séquence nucléotidique</term>
<term>Variation des antigènes (génétique)</term>
<term>Virus de la grippe A ()</term>
<term>Virus de la grippe A (génétique)</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Hemagglutinins, Viral</term>
<term>Nucleoproteins</term>
<term>Viral Core Proteins</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Viral Core Proteins</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Quebec</term>
<term>RNA-Binding Proteins</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Influenza A virus</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Antigenic Variation</term>
<term>Genes, Viral</term>
<term>Hemagglutinins, Viral</term>
<term>Influenza A virus</term>
<term>Nucleoproteins</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Gènes viraux</term>
<term>Hémagglutinines virales</term>
<term>Nucléoprotéines</term>
<term>Protéines du core viral</term>
<term>Variation des antigènes</term>
<term>Virus de la grippe A</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term>
<term>Animals</term>
<term>Base Sequence</term>
<term>Humans</term>
<term>Influenza A Virus, H3N2 Subtype</term>
<term>Molecular Sequence Data</term>
<term>Phylogeny</term>
<term>Sequence Analysis, DNA</term>
<term>Swine</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Analyse de séquence d'ADN</term>
<term>Animaux</term>
<term>Données de séquences moléculaires</term>
<term>Humains</term>
<term>Hémagglutinines virales</term>
<term>Nucléoprotéines</term>
<term>Phylogénie</term>
<term>Protéines de liaison à l'ARN</term>
<term>Protéines du core viral</term>
<term>Québec</term>
<term>Sous-type H3N2 du virus de la grippe A</term>
<term>Suidae</term>
<term>Séquence d'acides aminés</term>
<term>Séquence nucléotidique</term>
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<front><div type="abstract" xml:lang="en">Of the four pandemic strains of human influenza A virus observed this century, the 1977 virus strain was very similar in all genes to a 1950 isolate. Since mammalian influenza A viruses change annually by genetic drift, this reappearance could only be attributed at that time to conservation of the virus in a frozen state. We report here the isolation of swine influenza A viruses with haemagglutinin and nucleoprotein genes which are virtually identical to those of the human virus that circulated in 1975. We have also found serological evidence that this virus is circulating extensively in Quebec swine herds. We propose that human-like H3N2 influenza A strains may remain invariant for long periods in swine, which may serve as a reservoir for human pandemics.</div>
</front>
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Recent H3N2 swine influenza virus with haemagglutinin and nucleoprotein genes similar to 1975 human strains.

Recent H3N2 swine influenza virus with haemagglutinin and nucleoprotein genes similar to 1975 human strains.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki