Serveur d'exploration MERS

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Identification of sialic acid-binding function for the Middle East respiratory syndrome coronavirus spike glycoprotein.

Identifieur interne : 000C69 ( PubMed/Checkpoint ); précédent : 000C68; suivant : 000C70

Identification of sialic acid-binding function for the Middle East respiratory syndrome coronavirus spike glycoprotein.

Auteurs : Wentao Li [Pays-Bas] ; Ruben J G. Hulswit [Pays-Bas] ; Ivy Widjaja [Pays-Bas] ; V Stalin Raj [Pays-Bas] ; Ryan Mcbride [États-Unis] ; Wenjie Peng [États-Unis] ; W. Widagdo [Pays-Bas] ; M Alejandra Tortorici [France] ; Brenda Van Dieren [Pays-Bas] ; Yifei Lang [Pays-Bas] ; Jan W M. Van Lent [Pays-Bas] ; James C. Paulson [États-Unis] ; Cornelis A M. De Haan [Pays-Bas] ; Raoul J. De Groot [Pays-Bas] ; Frank J M. Van Kuppeveld [Pays-Bas] ; Bart L. Haagmans [Pays-Bas] ; Berend-Jan Bosch [Pays-Bas]

Source :

RBID : pubmed:28923942

Descripteurs français

English descriptors

Abstract

Middle East respiratory syndrome coronavirus (MERS-CoV) targets the epithelial cells of the respiratory tract both in humans and in its natural host, the dromedary camel. Virion attachment to host cells is mediated by 20-nm-long homotrimers of spike envelope protein S. The N-terminal subunit of each S protomer, called S1, folds into four distinct domains designated S1A through S1D Binding of MERS-CoV to the cell surface entry receptor dipeptidyl peptidase 4 (DPP4) occurs via S1B We now demonstrate that in addition to DPP4, MERS-CoV binds to sialic acid (Sia). Initially demonstrated by hemagglutination assay with human erythrocytes and intact virus, MERS-CoV Sia-binding activity was assigned to S subdomain S1A When multivalently displayed on nanoparticles, S1 or S1A bound to human erythrocytes and to human mucin in a strictly Sia-dependent fashion. Glycan array analysis revealed a preference for α2,3-linked Sias over α2,6-linked Sias, which correlates with the differential distribution of α2,3-linked Sias and the predominant sites of MERS-CoV replication in the upper and lower respiratory tracts of camels and humans, respectively. Binding is hampered by Sia modifications such as 5-N-glycolylation and (7,)9-O-acetylation. Depletion of cell surface Sia by neuraminidase treatment inhibited MERS-CoV entry of Calu-3 human airway cells, thus providing direct evidence that virus-Sia interactions may aid in virion attachment. The combined observations lead us to propose that high-specificity, low-affinity attachment of MERS-CoV to sialoglycans during the preattachment or early attachment phase may form another determinant governing the host range and tissue tropism of this zoonotic pathogen.

DOI: 10.1073/pnas.1712592114
PubMed: 28923942


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pubmed:28923942

Le document en format XML

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<title xml:lang="en">Identification of sialic acid-binding function for the Middle East respiratory syndrome coronavirus spike glycoprotein.</title>
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<name sortKey="Li, Wentao" sort="Li, Wentao" uniqKey="Li W" first="Wentao" last="Li">Wentao Li</name>
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<nlm:affiliation>Virology Division, Department of Infectious Diseases & Immunology, Faculty of Veterinary Medicine, Utrecht University, 3584 CL Utrecht, The Netherlands.</nlm:affiliation>
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<wicri:regionArea>Virology Division, Department of Infectious Diseases & Immunology, Faculty of Veterinary Medicine, Utrecht University, 3584 CL Utrecht</wicri:regionArea>
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<name sortKey="Lang, Yifei" sort="Lang, Yifei" uniqKey="Lang Y" first="Yifei" last="Lang">Yifei Lang</name>
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<name sortKey="Van Lent, Jan W M" sort="Van Lent, Jan W M" uniqKey="Van Lent J" first="Jan W M" last="Van Lent">Jan W M. Van Lent</name>
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<name sortKey="Paulson, James C" sort="Paulson, James C" uniqKey="Paulson J" first="James C" last="Paulson">James C. Paulson</name>
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<name sortKey="De Haan, Cornelis A M" sort="De Haan, Cornelis A M" uniqKey="De Haan C" first="Cornelis A M" last="De Haan">Cornelis A M. De Haan</name>
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<author>
<name sortKey="Bosch, Berend Jan" sort="Bosch, Berend Jan" uniqKey="Bosch B" first="Berend-Jan" last="Bosch">Berend-Jan Bosch</name>
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<title level="j">Proceedings of the National Academy of Sciences of the United States of America</title>
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<term>Animals</term>
<term>Camelus</term>
<term>Coronavirus Infections (metabolism)</term>
<term>Coronavirus Infections (virology)</term>
<term>Dipeptidyl Peptidase 4 (genetics)</term>
<term>Dipeptidyl Peptidase 4 (metabolism)</term>
<term>Humans</term>
<term>Middle East Respiratory Syndrome Coronavirus (pathogenicity)</term>
<term>Mucins</term>
<term>Polysaccharides (metabolism)</term>
<term>Receptors, Virus (metabolism)</term>
<term>Sialic Acids (metabolism)</term>
<term>Spike Glycoprotein, Coronavirus (genetics)</term>
<term>Spike Glycoprotein, Coronavirus (metabolism)</term>
<term>Virus Attachment</term>
</keywords>
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<term>Acides sialiques (métabolisme)</term>
<term>Animaux</term>
<term>Attachement viral</term>
<term>Chameaux</term>
<term>Coronavirus du syndrome respiratoire du Moyen-Orient (pathogénicité)</term>
<term>Dipeptidyl peptidase 4 (génétique)</term>
<term>Dipeptidyl peptidase 4 (métabolisme)</term>
<term>Glycoprotéine de spicule des coronavirus (génétique)</term>
<term>Glycoprotéine de spicule des coronavirus (métabolisme)</term>
<term>Humains</term>
<term>Infections à coronavirus (métabolisme)</term>
<term>Infections à coronavirus (virologie)</term>
<term>Mucines</term>
<term>Polyosides (métabolisme)</term>
<term>Récepteurs viraux (métabolisme)</term>
</keywords>
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<term>Dipeptidyl Peptidase 4</term>
<term>Spike Glycoprotein, Coronavirus</term>
</keywords>
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<term>Dipeptidyl peptidase 4</term>
<term>Glycoprotéine de spicule des coronavirus</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en">
<term>Coronavirus Infections</term>
<term>Dipeptidyl Peptidase 4</term>
<term>Polysaccharides</term>
<term>Receptors, Virus</term>
<term>Sialic Acids</term>
<term>Spike Glycoprotein, Coronavirus</term>
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<term>Acides sialiques</term>
<term>Dipeptidyl peptidase 4</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Infections à coronavirus</term>
<term>Polyosides</term>
<term>Récepteurs viraux</term>
</keywords>
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<term>Middle East Respiratory Syndrome Coronavirus</term>
</keywords>
<keywords scheme="MESH" qualifier="pathogénicité" xml:lang="fr">
<term>Coronavirus du syndrome respiratoire du Moyen-Orient</term>
</keywords>
<keywords scheme="MESH" qualifier="virologie" xml:lang="fr">
<term>Infections à coronavirus</term>
</keywords>
<keywords scheme="MESH" qualifier="virology" xml:lang="en">
<term>Coronavirus Infections</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Animals</term>
<term>Camelus</term>
<term>Humans</term>
<term>Mucins</term>
<term>Virus Attachment</term>
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<term>Animaux</term>
<term>Attachement viral</term>
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<div type="abstract" xml:lang="en">Middle East respiratory syndrome coronavirus (MERS-CoV) targets the epithelial cells of the respiratory tract both in humans and in its natural host, the dromedary camel. Virion attachment to host cells is mediated by 20-nm-long homotrimers of spike envelope protein S. The N-terminal subunit of each S protomer, called S1, folds into four distinct domains designated S1
<sup>A</sup>
through S1
<sup>D</sup>
Binding of MERS-CoV to the cell surface entry receptor dipeptidyl peptidase 4 (DPP4) occurs via S1
<sup>B</sup>
We now demonstrate that in addition to DPP4, MERS-CoV binds to sialic acid (Sia). Initially demonstrated by hemagglutination assay with human erythrocytes and intact virus, MERS-CoV Sia-binding activity was assigned to S subdomain S1
<sup>A</sup>
When multivalently displayed on nanoparticles, S1 or S1
<sup>A</sup>
bound to human erythrocytes and to human mucin in a strictly Sia-dependent fashion. Glycan array analysis revealed a preference for α2,3-linked Sias over α2,6-linked Sias, which correlates with the differential distribution of α2,3-linked Sias and the predominant sites of MERS-CoV replication in the upper and lower respiratory tracts of camels and humans, respectively. Binding is hampered by Sia modifications such as 5-
<i>N</i>
-glycolylation and (7,)9-
<i>O</i>
-acetylation. Depletion of cell surface Sia by neuraminidase treatment inhibited MERS-CoV entry of Calu-3 human airway cells, thus providing direct evidence that virus-Sia interactions may aid in virion attachment. The combined observations lead us to propose that high-specificity, low-affinity attachment of MERS-CoV to sialoglycans during the preattachment or early attachment phase may form another determinant governing the host range and tissue tropism of this zoonotic pathogen.</div>
</front>
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<Year>2018</Year>
<Month>06</Month>
<Day>26</Day>
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<Month>11</Month>
<Day>13</Day>
</DateRevised>
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<Abstract>
<AbstractText>Middle East respiratory syndrome coronavirus (MERS-CoV) targets the epithelial cells of the respiratory tract both in humans and in its natural host, the dromedary camel. Virion attachment to host cells is mediated by 20-nm-long homotrimers of spike envelope protein S. The N-terminal subunit of each S protomer, called S1, folds into four distinct domains designated S1
<sup>A</sup>
through S1
<sup>D</sup>
Binding of MERS-CoV to the cell surface entry receptor dipeptidyl peptidase 4 (DPP4) occurs via S1
<sup>B</sup>
We now demonstrate that in addition to DPP4, MERS-CoV binds to sialic acid (Sia). Initially demonstrated by hemagglutination assay with human erythrocytes and intact virus, MERS-CoV Sia-binding activity was assigned to S subdomain S1
<sup>A</sup>
When multivalently displayed on nanoparticles, S1 or S1
<sup>A</sup>
bound to human erythrocytes and to human mucin in a strictly Sia-dependent fashion. Glycan array analysis revealed a preference for α2,3-linked Sias over α2,6-linked Sias, which correlates with the differential distribution of α2,3-linked Sias and the predominant sites of MERS-CoV replication in the upper and lower respiratory tracts of camels and humans, respectively. Binding is hampered by Sia modifications such as 5-
<i>N</i>
-glycolylation and (7,)9-
<i>O</i>
-acetylation. Depletion of cell surface Sia by neuraminidase treatment inhibited MERS-CoV entry of Calu-3 human airway cells, thus providing direct evidence that virus-Sia interactions may aid in virion attachment. The combined observations lead us to propose that high-specificity, low-affinity attachment of MERS-CoV to sialoglycans during the preattachment or early attachment phase may form another determinant governing the host range and tissue tropism of this zoonotic pathogen.</AbstractText>
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</AffiliationInfo>
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<ForeName>Ruben J G</ForeName>
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<AffiliationInfo>
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</AffiliationInfo>
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<AffiliationInfo>
<Affiliation>Department of Viroscience, Erasmus Medical Center, 3015 CN Rotterdam, The Netherlands.</Affiliation>
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</AffiliationInfo>
<AffiliationInfo>
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<AffiliationInfo>
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<AffiliationInfo>
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<AffiliationInfo>
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</AffiliationInfo>
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</AffiliationInfo>
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<ForeName>Cornelis A M</ForeName>
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<LastName>Haagmans</LastName>
<ForeName>Bart L</ForeName>
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<AffiliationInfo>
<Affiliation>Department of Viroscience, Erasmus Medical Center, 3015 CN Rotterdam, The Netherlands; b.haagmans@erasmusmc.nl b.j.bosch@uu.nl.</Affiliation>
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<AffiliationInfo>
<Affiliation>Virology Division, Department of Infectious Diseases & Immunology, Faculty of Veterinary Medicine, Utrecht University, 3584 CL Utrecht, The Netherlands; b.haagmans@erasmusmc.nl b.j.bosch@uu.nl.</Affiliation>
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