Sequence analysis and receptor specificity of the hemagglutinin of a recent influenza H2N2 virus isolated from chicken in North America
Identifieur interne : 001536 ( Main/Exploration ); précédent : 001535; suivant : 001537Sequence analysis and receptor specificity of the hemagglutinin of a recent influenza H2N2 virus isolated from chicken in North America
Auteurs : Laurel Glaser [États-Unis] ; Dmitriy Zamarin [États-Unis] ; Helen M. Acland [États-Unis] ; Erica Spackman [États-Unis] ; Peter Palese [États-Unis] ; Adolfo García-Sastre [États-Unis] ; Deepanker Tewari [États-Unis]Source :
- Glycoconjugate Journal [ 0282-0080 ] ; 2006-02-01.
Descripteurs français
- KwdFr :
- Animaux, Données de séquences moléculaires, Glycoprotéine hémagglutinine du virus influenza (), Glycoprotéine hémagglutinine du virus influenza (métabolisme), Pennsylvanie, Phylogénie, Poulets (virologie), Récepteurs de surface cellulaire (métabolisme), Récepteurs viraux (métabolisme), Sous-type H2N2 du virus de la grippe A (), Sous-type H2N2 du virus de la grippe A (immunologie), Séquence d'acides aminés, Séquence nucléotidique.
- MESH :
- immunologie : Sous-type H2N2 du virus de la grippe A.
- métabolisme : Glycoprotéine hémagglutinine du virus influenza, Récepteurs de surface cellulaire, Récepteurs viraux.
- virologie : Poulets.
- Animaux, Données de séquences moléculaires, Glycoprotéine hémagglutinine du virus influenza, Pennsylvanie, Phylogénie, Sous-type H2N2 du virus de la grippe A, Séquence d'acides aminés, Séquence nucléotidique.
English descriptors
- KwdEn :
- Amino Acid Sequence, Animals, Base Sequence, Chickens (virology), Hemagglutinin, Hemagglutinin Glycoproteins, Influenza Virus (chemistry), Hemagglutinin Glycoproteins, Influenza Virus (metabolism), Influenza A Virus, H2N2 Subtype (chemistry), Influenza A Virus, H2N2 Subtype (immunology), Influenza virus, Molecular Sequence Data, Pennsylvania, Phylogeny, Receptor, Receptors, Cell Surface (metabolism), Receptors, Virus (metabolism), Sialic acid, Specificity, Virus-host tropism.
- MESH :
- chemical , chemistry : Hemagglutinin Glycoproteins, Influenza Virus.
- chemical , metabolism : Hemagglutinin Glycoproteins, Influenza Virus, Receptors, Cell Surface, Receptors, Virus.
- geographic : Pennsylvania.
- chemistry : Influenza A Virus, H2N2 Subtype.
- immunology : Influenza A Virus, H2N2 Subtype.
- virology : Chickens.
- Amino Acid Sequence, Animals, Base Sequence, Molecular Sequence Data, Phylogeny.
Abstract
Abstract: Influenza viruses bind host cells following an interaction between the viral hemagglutinin (HA) protein and host cell sialylated glycoproteins and glycolipids. Differences in binding affinities of the HAs for different types of sialic acid linkages (α2-3 vs. α2-6) contribute to determining the host range of an influenza virus. The ability of an avian influenza virus HA to bind the human form of the receptor may be one requirement for an avian virus to propagate in the human population. In this paper, we describe the characterization of the HA from an H2N2 virus isolated from a Pennsylvania chicken farm in 2004. Sequence analysis revealed that this HA is a member of the Eurasian clade, and receptor binding studies show that it maintains its specificity for the avian influenza virus α2-3 linked sialic acid receptor.
Url:
DOI: 10.1007/s10719-006-5441-0
Affiliations:
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()</term><term>Glycoprotéine hémagglutinine du virus influenza (métabolisme)</term><term>Pennsylvanie</term><term>Phylogénie</term><term>Poulets (virologie)</term><term>Récepteurs de surface cellulaire (métabolisme)</term><term>Récepteurs viraux (métabolisme)</term><term>Sous-type H2N2 du virus de la grippe A ()</term><term>Sous-type H2N2 du virus de la grippe A (immunologie)</term><term>Séquence d'acides aminés</term><term>Séquence nucléotidique</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Hemagglutinin Glycoproteins, Influenza Virus</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Hemagglutinin Glycoproteins, Influenza Virus</term><term>Receptors, Cell Surface</term><term>Receptors, Virus</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Pennsylvania</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Influenza A Virus, H2N2 Subtype</term></keywords><keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Sous-type H2N2 du virus de la grippe A</term></keywords><keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Influenza A Virus, H2N2 Subtype</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Glycoprotéine hémagglutinine du virus influenza</term><term>Récepteurs de surface cellulaire</term><term>Récepteurs viraux</term></keywords><keywords scheme="MESH" qualifier="virologie" xml:lang="fr"><term>Poulets</term></keywords><keywords scheme="MESH" qualifier="virology" xml:lang="en"><term>Chickens</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term><term>Animals</term><term>Base Sequence</term><term>Molecular Sequence Data</term><term>Phylogeny</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Données de séquences moléculaires</term><term>Glycoprotéine hémagglutinine du virus influenza</term><term>Pennsylvanie</term><term>Phylogénie</term><term>Sous-type H2N2 du virus de la grippe A</term><term>Séquence d'acides aminés</term><term>Séquence nucléotidique</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Influenza viruses bind host cells following an interaction between the viral hemagglutinin (HA) protein and host cell sialylated glycoproteins and glycolipids. Differences in binding affinities of the HAs for different types of sialic acid linkages (α2-3 vs. α2-6) contribute to determining the host range of an influenza virus. The ability of an avian influenza virus HA to bind the human form of the receptor may be one requirement for an avian virus to propagate in the human population. In this paper, we describe the characterization of the HA from an H2N2 virus isolated from a Pennsylvania chicken farm in 2004. Sequence analysis revealed that this HA is a member of the Eurasian clade, and receptor binding studies show that it maintains its specificity for the avian influenza virus α2-3 linked sialic acid receptor.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Géorgie (États-Unis)</li><li>Pennsylvanie</li><li>État de New York</li></region></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Glaser, Laurel" sort="Glaser, Laurel" uniqKey="Glaser L" first="Laurel" last="Glaser">Laurel Glaser</name></region><name sortKey="Acland, Helen M" sort="Acland, Helen M" uniqKey="Acland H" first="Helen M." last="Acland">Helen M. Acland</name><name sortKey="Garcia Sastre, Adolfo" sort="Garcia Sastre, Adolfo" uniqKey="Garcia Sastre A" first="Adolfo" last="García-Sastre">Adolfo García-Sastre</name><name sortKey="Garcia Sastre, Adolfo" sort="Garcia Sastre, Adolfo" uniqKey="Garcia Sastre A" first="Adolfo" last="García-Sastre">Adolfo García-Sastre</name><name sortKey="Palese, Peter" sort="Palese, Peter" uniqKey="Palese P" first="Peter" last="Palese">Peter Palese</name><name sortKey="Spackman, Erica" sort="Spackman, Erica" uniqKey="Spackman E" first="Erica" last="Spackman">Erica Spackman</name><name sortKey="Tewari, Deepanker" sort="Tewari, Deepanker" uniqKey="Tewari D" first="Deepanker" last="Tewari">Deepanker Tewari</name><name sortKey="Zamarin, Dmitriy" sort="Zamarin, Dmitriy" uniqKey="Zamarin D" first="Dmitriy" last="Zamarin">Dmitriy Zamarin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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