Surveillance of Bat Coronaviruses in Kenya Identifies Relatives of Human Coronaviruses NL63 and 229E and Their Recombination History
Identifieur interne : 000D62 ( Main/Exploration ); précédent : 000D61; suivant : 000D63Surveillance of Bat Coronaviruses in Kenya Identifies Relatives of Human Coronaviruses NL63 and 229E and Their Recombination History
Auteurs : Ying Tao [États-Unis] ; Mang Shi [Australie] ; Christina Chommanard [États-Unis] ; Krista Queen [États-Unis] ; Jing Zhang [États-Unis] ; Wanda Markotter [Afrique du Sud] ; Ivan V. Kuzmin [États-Unis] ; Edward C. Holmes [Australie] ; Suxiang Tong [États-Unis]Source :
- Journal of Virology [ 0022-538X ] ; 2017.
Descripteurs français
- KwdFr :
- Analyse de séquence d'ADN, Animaux, Chiroptera (virologie), Coronavirus humain NL63, Génome viral, Infections de l'appareil respiratoire (médecine vétérinaire), Infections de l'appareil respiratoire (épidémiologie), Infections à coronavirus (médecine vétérinaire), Infections à coronavirus (épidémiologie), Kenya (épidémiologie), Phylogénie, Phylogéographie, Protéines virales (), Protéines virales (génétique), Prévalence, Recombinaison génétique, Séquence conservée, Séquence d'acides aminés, Variation génétique, Épidémiosurveillance, Évolution moléculaire.
- MESH :
- génétique : Protéines virales.
- médecine vétérinaire : Infections de l'appareil respiratoire, Infections à coronavirus.
- virologie : Chiroptera.
- épidémiologie : Infections de l'appareil respiratoire, Infections à coronavirus, Kenya.
- Analyse de séquence d'ADN, Animaux, Coronavirus humain NL63, Génome viral, Phylogénie, Phylogéographie, Protéines virales, Prévalence, Recombinaison génétique, Séquence conservée, Séquence d'acides aminés, Variation génétique, Épidémiosurveillance, Évolution moléculaire.
English descriptors
- KwdEn :
- Amino Acid Sequence, Animals, Chiroptera (virology), Conserved Sequence, Coronavirus Infections (epidemiology), Coronavirus Infections (veterinary), Coronavirus NL63, Human, Epidemiological Monitoring, Evolution, Molecular, Genetic Variation, Genome, Viral, Kenya (epidemiology), Phylogeny, Phylogeography, Prevalence, Recombination, Genetic, Respiratory Tract Infections (epidemiology), Respiratory Tract Infections (veterinary), Sequence Analysis, DNA, Viral Proteins (chemistry), Viral Proteins (genetics).
- MESH :
- chemical , chemistry : Viral Proteins.
- epidemiology : Coronavirus Infections, Kenya, Respiratory Tract Infections.
- chemical , genetics : Viral Proteins.
- veterinary : Coronavirus Infections, Respiratory Tract Infections.
- virology : Chiroptera.
- Amino Acid Sequence, Animals, Conserved Sequence, Coronavirus NL63, Human, Epidemiological Monitoring, Evolution, Molecular, Genetic Variation, Genome, Viral, Phylogeny, Phylogeography, Prevalence, Recombination, Genetic, Sequence Analysis, DNA.
Abstract
Bats harbor a large diversity of coronaviruses (CoVs), several of which are related to zoonotic pathogens that cause severe disease in humans. Our screening of bat samples collected in Kenya from 2007 to 2010 not only detected RNA from several novel CoVs but, more significantly, identified sequences that were closely related to human CoVs NL63 and 229E, suggesting that these two human viruses originate from bats. We also demonstrated that human CoV NL63 is a recombinant between NL63-like viruses circulating in
Url:
DOI: 10.1128/JVI.01953-16
PubMed: 28077633
PubMed Central: 5309958
Affiliations:
- Afrique du Sud, Australie, États-Unis
- Géorgie (États-Unis), Nouvelle-Galles du Sud
- Sydney
- Université de Sydney
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Le document en format XML
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<term>Viral Proteins (genetics)</term>
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<term>Animaux</term>
<term>Chiroptera (virologie)</term>
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<term>Infections de l'appareil respiratoire (médecine vétérinaire)</term>
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<term>Infections à coronavirus</term>
<term>Kenya</term>
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<keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term>
<term>Animals</term>
<term>Conserved Sequence</term>
<term>Coronavirus NL63, Human</term>
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<term>Evolution, Molecular</term>
<term>Genetic Variation</term>
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<front><div type="abstract" xml:lang="en"><title>ABSTRACT</title>
<p>Bats harbor a large diversity of coronaviruses (CoVs), several of which are related to zoonotic pathogens that cause severe disease in humans. Our screening of bat samples collected in Kenya from 2007 to 2010 not only detected RNA from several novel CoVs but, more significantly, identified sequences that were closely related to human CoVs NL63 and 229E, suggesting that these two human viruses originate from bats. We also demonstrated that human CoV NL63 is a recombinant between NL63-like viruses circulating in <named-content content-type="genus-species">Triaenops</named-content>
bats and 229E-like viruses circulating in <named-content content-type="genus-species">Hipposideros</named-content>
bats, with the breakpoint located near 5′ and 3′ ends of the spike (S) protein gene. In addition, two further interspecies recombination events involving the S gene were identified, suggesting that this region may represent a recombination “hot spot” in CoV genomes. Finally, using a combination of phylogenetic and distance-based approaches, we showed that the genetic diversity of bat CoVs is primarily structured by host species and subsequently by geographic distances.</p>
<p><bold>IMPORTANCE</bold>
Understanding the driving forces of cross-species virus transmission is central to understanding the nature of disease emergence. Previous studies have demonstrated that bats are the ultimate reservoir hosts for a number of coronaviruses (CoVs), including ancestors of severe acute respiratory syndrome coronavirus (SARS-CoV), Middle East respiratory syndrome coronavirus (MERS-CoV), and human CoV 229E (HCoV-229E). However, the evolutionary pathways of bat CoVs remain elusive. We provide evidence for natural recombination between distantly related African bat coronaviruses associated with <named-content content-type="genus-species">Triaenops afer</named-content>
and <named-content content-type="genus-species">Hipposideros</named-content>
sp. bats that resulted in a NL63-like virus, an ancestor of the human pathogen HCoV-NL63. These results suggest that interspecies recombination may play an important role in CoV evolution and the emergence of novel CoVs with zoonotic potential.</p>
</div>
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<tree><country name="États-Unis"><region name="Géorgie (États-Unis)"><name sortKey="Tao, Ying" sort="Tao, Ying" uniqKey="Tao Y" first="Ying" last="Tao">Ying Tao</name>
</region>
<name sortKey="Chommanard, Christina" sort="Chommanard, Christina" uniqKey="Chommanard C" first="Christina" last="Chommanard">Christina Chommanard</name>
<name sortKey="Kuzmin, Ivan V" sort="Kuzmin, Ivan V" uniqKey="Kuzmin I" first="Ivan V." last="Kuzmin">Ivan V. Kuzmin</name>
<name sortKey="Queen, Krista" sort="Queen, Krista" uniqKey="Queen K" first="Krista" last="Queen">Krista Queen</name>
<name sortKey="Tong, Suxiang" sort="Tong, Suxiang" uniqKey="Tong S" first="Suxiang" last="Tong">Suxiang Tong</name>
<name sortKey="Zhang, Jing" sort="Zhang, Jing" uniqKey="Zhang J" first="Jing" last="Zhang">Jing Zhang</name>
</country>
<country name="Australie"><region name="Nouvelle-Galles du Sud"><name sortKey="Shi, Mang" sort="Shi, Mang" uniqKey="Shi M" first="Mang" last="Shi">Mang Shi</name>
</region>
<name sortKey="Holmes, Edward C" sort="Holmes, Edward C" uniqKey="Holmes E" first="Edward C." last="Holmes">Edward C. Holmes</name>
</country>
<country name="Afrique du Sud"><noRegion><name sortKey="Markotter, Wanda" sort="Markotter, Wanda" uniqKey="Markotter W" first="Wanda" last="Markotter">Wanda Markotter</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>
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