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Replication of MERS and SARS coronaviruses in bat cells offers insights to their ancestral origins

Identifieur interne : 000C47 ( Main/Exploration ); précédent : 000C46; suivant : 000C48

Replication of MERS and SARS coronaviruses in bat cells offers insights to their ancestral origins

Auteurs : Susanna K. P. Lau [République populaire de Chine] ; Rachel Y. Y. Fan [République populaire de Chine] ; Hayes K. H. Luk [République populaire de Chine] ; Longchao Zhu [République populaire de Chine] ; Joshua Fung [République populaire de Chine] ; Kenneth S. M. Li [République populaire de Chine] ; Emily Y. M. Wong [République populaire de Chine] ; Syed Shakeel Ahmed [République populaire de Chine] ; Jasper F. W. Chan [République populaire de Chine] ; Raven K. H. Kok [République populaire de Chine] ; Kwok-Hung Chan [République populaire de Chine] ; Ulrich Wernery [Émirats arabes unis] ; Kwok-Yung Yuen [République populaire de Chine] ; Patrick C. Y. Woo [République populaire de Chine]

Source :

RBID : PMC:6286955

Descripteurs français

English descriptors

Abstract

Previous findings of Middle East Respiratory Syndrome coronavirus (MERS-CoV)-related viruses in bats, and the ability of Tylonycteris-BatCoV HKU4 spike protein to utilize MERS-CoV receptor, human dipeptidyl peptidase 4 hDPP4, suggest a bat ancestral origin of MERS-CoV. We developed 12 primary bat cell lines from seven bat species, including Tylonycteris pachypus, Pipistrellus abramus and Rhinolophus sinicus (hosts of Tylonycteris-BatCoV HKU4, Pipistrellus-BatCoV HKU5, and SARS-related-CoV respectively), and tested their susceptibilities to MERS-CoVs, SARS-CoV, and human coronavirus 229E (HCoV-229E). Five cell lines, including P. abramus and R. sinicus but not T. pachypus cells, were susceptible to human MERS-CoV EMC/2012. However, three tested camel MERS-CoV strains showed different infectivities, with only two strains capable of infecting three and one cell lines respectively. SARS-CoV can only replicate in R. sinicus cells, while HCoV-229E cannot replicate in any bat cells. Bat dipeptidyl peptidase 4 (DPP4) sequences were closely related to those of human and non-human primates but distinct from dromedary DPP4 sequence. Critical residues for binding to MERS-CoV spike protein were mostly conserved in bat DPP4. DPP4 was expressed in the five bat cells susceptible to MERS-CoV, with significantly higher mRNA expression levels than those in non-susceptible cells (P = 0.0174), supporting that DPP4 expression is critical for MERS-CoV infection in bats. However, overexpression of T. pachypus DPP4 failed to confer MERS-CoV susceptibility in T. pachypus cells, suggesting other cellular factors in determining viral replication. The broad cellular tropism of MERS-CoV should prompt further exploration of host diversity of related viruses to identify its ancestral origin.


Url:
DOI: 10.1038/s41426-018-0208-9
PubMed: 30531999
PubMed Central: 6286955


Affiliations:


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<term>Humans</term>
<term>Middle East Respiratory Syndrome Coronavirus (genetics)</term>
<term>Middle East Respiratory Syndrome Coronavirus (physiology)</term>
<term>Phylogeny</term>
<term>Primates</term>
<term>SARS Virus (genetics)</term>
<term>SARS Virus (physiology)</term>
<term>Spike Glycoprotein, Coronavirus (metabolism)</term>
<term>Viral Tropism</term>
<term>Virus Attachment</term>
<term>Virus Replication</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Animaux</term>
<term>Attachement viral</term>
<term>Cellules cultivées</term>
<term>Chameaux</term>
<term>Chiroptera (virologie)</term>
<term>Coronavirus du syndrome respiratoire du Moyen-Orient (génétique)</term>
<term>Coronavirus du syndrome respiratoire du Moyen-Orient (physiologie)</term>
<term>Dipeptidyl peptidase 4 (génétique)</term>
<term>Glycoprotéine de spicule des coronavirus (métabolisme)</term>
<term>Humains</term>
<term>Lignée cellulaire</term>
<term>Phylogénie</term>
<term>Primates</term>
<term>Réplication virale</term>
<term>Tropisme viral</term>
<term>Virus du SRAS (génétique)</term>
<term>Virus du SRAS (physiologie)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en">
<term>Dipeptidyl Peptidase 4</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en">
<term>Middle East Respiratory Syndrome Coronavirus</term>
<term>SARS Virus</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr">
<term>Coronavirus du syndrome respiratoire du Moyen-Orient</term>
<term>Dipeptidyl peptidase 4</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en">
<term>Spike Glycoprotein, Coronavirus</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr">
<term>Glycoprotéine de spicule des coronavirus</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr">
<term>Coronavirus du syndrome respiratoire du Moyen-Orient</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en">
<term>Middle East Respiratory Syndrome Coronavirus</term>
<term>SARS Virus</term>
</keywords>
<keywords scheme="MESH" qualifier="virologie" xml:lang="fr">
<term>Chiroptera</term>
</keywords>
<keywords scheme="MESH" qualifier="virology" xml:lang="en">
<term>Chiroptera</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Animals</term>
<term>Camelus</term>
<term>Cell Line</term>
<term>Cells, Cultured</term>
<term>Humans</term>
<term>Phylogeny</term>
<term>Primates</term>
<term>Viral Tropism</term>
<term>Virus Attachment</term>
<term>Virus Replication</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr">
<term>Animaux</term>
<term>Attachement viral</term>
<term>Cellules cultivées</term>
<term>Chameaux</term>
<term>Humains</term>
<term>Lignée cellulaire</term>
<term>Phylogénie</term>
<term>Primates</term>
<term>Réplication virale</term>
<term>Tropisme viral</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">
<p id="Par1">Previous findings of Middle East Respiratory Syndrome coronavirus (MERS-CoV)-related viruses in bats, and the ability of
<italic>Tylonycteris</italic>
-BatCoV HKU4 spike protein to utilize MERS-CoV receptor, human dipeptidyl peptidase 4 hDPP4, suggest a bat ancestral origin of MERS-CoV. We developed 12 primary bat cell lines from seven bat species, including
<italic>Tylonycteris pachypus</italic>
,
<italic>Pipistrellus abramus</italic>
and
<italic>Rhinolophus sinicus</italic>
(hosts of
<italic>Tylonycteris</italic>
-BatCoV HKU4,
<italic>Pipistrellus</italic>
-BatCoV HKU5, and SARS-related-CoV respectively), and tested their susceptibilities to MERS-CoVs, SARS-CoV, and human coronavirus 229E (HCoV-229E). Five cell lines, including
<italic>P. abramus</italic>
and
<italic>R. sinicus</italic>
but not
<italic>T. pachypus</italic>
cells, were susceptible to human MERS-CoV EMC/2012. However, three tested camel MERS-CoV strains showed different infectivities, with only two strains capable of infecting three and one cell lines respectively. SARS-CoV can only replicate in
<italic>R. sinicus</italic>
cells, while HCoV-229E cannot replicate in any bat cells. Bat dipeptidyl peptidase 4 (DPP4) sequences were closely related to those of human and non-human primates but distinct from dromedary DPP4 sequence. Critical residues for binding to MERS-CoV spike protein were mostly conserved in bat DPP4. DPP4 was expressed in the five bat cells susceptible to MERS-CoV, with significantly higher mRNA expression levels than those in non-susceptible cells (
<italic>P</italic>
 = 0.0174), supporting that DPP4 expression is critical for MERS-CoV infection in bats. However, overexpression of
<italic>T. pachypus</italic>
DPP4 failed to confer MERS-CoV susceptibility in
<italic>T. pachypus</italic>
cells, suggesting other cellular factors in determining viral replication. The broad cellular tropism of MERS-CoV should prompt further exploration of host diversity of related viruses to identify its ancestral origin.</p>
</div>
</front>
<back>
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</div1>
</back>
</TEI>
<affiliations>
<list>
<country>
<li>République populaire de Chine</li>
<li>Émirats arabes unis</li>
</country>
</list>
<tree>
<country name="République populaire de Chine">
<noRegion>
<name sortKey="Lau, Susanna K P" sort="Lau, Susanna K P" uniqKey="Lau S" first="Susanna K. P." last="Lau">Susanna K. P. Lau</name>
</noRegion>
<name sortKey="Ahmed, Syed Shakeel" sort="Ahmed, Syed Shakeel" uniqKey="Ahmed S" first="Syed Shakeel" last="Ahmed">Syed Shakeel Ahmed</name>
<name sortKey="Chan, Jasper F W" sort="Chan, Jasper F W" uniqKey="Chan J" first="Jasper F. W." last="Chan">Jasper F. W. Chan</name>
<name sortKey="Chan, Jasper F W" sort="Chan, Jasper F W" uniqKey="Chan J" first="Jasper F. W." last="Chan">Jasper F. W. Chan</name>
<name sortKey="Chan, Jasper F W" sort="Chan, Jasper F W" uniqKey="Chan J" first="Jasper F. W." last="Chan">Jasper F. W. Chan</name>
<name sortKey="Chan, Jasper F W" sort="Chan, Jasper F W" uniqKey="Chan J" first="Jasper F. W." last="Chan">Jasper F. W. Chan</name>
<name sortKey="Chan, Kwok Hung" sort="Chan, Kwok Hung" uniqKey="Chan K" first="Kwok-Hung" last="Chan">Kwok-Hung Chan</name>
<name sortKey="Chan, Kwok Hung" sort="Chan, Kwok Hung" uniqKey="Chan K" first="Kwok-Hung" last="Chan">Kwok-Hung Chan</name>
<name sortKey="Chan, Kwok Hung" sort="Chan, Kwok Hung" uniqKey="Chan K" first="Kwok-Hung" last="Chan">Kwok-Hung Chan</name>
<name sortKey="Chan, Kwok Hung" sort="Chan, Kwok Hung" uniqKey="Chan K" first="Kwok-Hung" last="Chan">Kwok-Hung Chan</name>
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<name sortKey="Fung, Joshua" sort="Fung, Joshua" uniqKey="Fung J" first="Joshua" last="Fung">Joshua Fung</name>
<name sortKey="Kok, Raven K H" sort="Kok, Raven K H" uniqKey="Kok R" first="Raven K. H." last="Kok">Raven K. H. Kok</name>
<name sortKey="Kok, Raven K H" sort="Kok, Raven K H" uniqKey="Kok R" first="Raven K. H." last="Kok">Raven K. H. Kok</name>
<name sortKey="Kok, Raven K H" sort="Kok, Raven K H" uniqKey="Kok R" first="Raven K. H." last="Kok">Raven K. H. Kok</name>
<name sortKey="Kok, Raven K H" sort="Kok, Raven K H" uniqKey="Kok R" first="Raven K. H." last="Kok">Raven K. H. Kok</name>
<name sortKey="Lau, Susanna K P" sort="Lau, Susanna K P" uniqKey="Lau S" first="Susanna K. P." last="Lau">Susanna K. P. Lau</name>
<name sortKey="Lau, Susanna K P" sort="Lau, Susanna K P" uniqKey="Lau S" first="Susanna K. P." last="Lau">Susanna K. P. Lau</name>
<name sortKey="Lau, Susanna K P" sort="Lau, Susanna K P" uniqKey="Lau S" first="Susanna K. P." last="Lau">Susanna K. P. Lau</name>
<name sortKey="Li, Kenneth S M" sort="Li, Kenneth S M" uniqKey="Li K" first="Kenneth S. M." last="Li">Kenneth S. M. Li</name>
<name sortKey="Luk, Hayes K H" sort="Luk, Hayes K H" uniqKey="Luk H" first="Hayes K. H." last="Luk">Hayes K. H. Luk</name>
<name sortKey="Wong, Emily Y M" sort="Wong, Emily Y M" uniqKey="Wong E" first="Emily Y. M." last="Wong">Emily Y. M. Wong</name>
<name sortKey="Woo, Patrick C Y" sort="Woo, Patrick C Y" uniqKey="Woo P" first="Patrick C. Y." last="Woo">Patrick C. Y. Woo</name>
<name sortKey="Woo, Patrick C Y" sort="Woo, Patrick C Y" uniqKey="Woo P" first="Patrick C. Y." last="Woo">Patrick C. Y. Woo</name>
<name sortKey="Woo, Patrick C Y" sort="Woo, Patrick C Y" uniqKey="Woo P" first="Patrick C. Y." last="Woo">Patrick C. Y. Woo</name>
<name sortKey="Woo, Patrick C Y" sort="Woo, Patrick C Y" uniqKey="Woo P" first="Patrick C. Y." last="Woo">Patrick C. Y. Woo</name>
<name sortKey="Yuen, Kwok Yung" sort="Yuen, Kwok Yung" uniqKey="Yuen K" first="Kwok-Yung" last="Yuen">Kwok-Yung Yuen</name>
<name sortKey="Yuen, Kwok Yung" sort="Yuen, Kwok Yung" uniqKey="Yuen K" first="Kwok-Yung" last="Yuen">Kwok-Yung Yuen</name>
<name sortKey="Yuen, Kwok Yung" sort="Yuen, Kwok Yung" uniqKey="Yuen K" first="Kwok-Yung" last="Yuen">Kwok-Yung Yuen</name>
<name sortKey="Yuen, Kwok Yung" sort="Yuen, Kwok Yung" uniqKey="Yuen K" first="Kwok-Yung" last="Yuen">Kwok-Yung Yuen</name>
<name sortKey="Zhu, Longchao" sort="Zhu, Longchao" uniqKey="Zhu L" first="Longchao" last="Zhu">Longchao Zhu</name>
</country>
<country name="Émirats arabes unis">
<noRegion>
<name sortKey="Wernery, Ulrich" sort="Wernery, Ulrich" uniqKey="Wernery U" first="Ulrich" last="Wernery">Ulrich Wernery</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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