Characterization of H9 Subtype Influenza Viruses from the Ducks of Southern China: a Candidate for the Next Influenza Pandemic in Humans?
Identifieur interne : 000C53 ( Pmc/Checkpoint ); précédent : 000C52; suivant : 000C54Characterization of H9 Subtype Influenza Viruses from the Ducks of Southern China: a Candidate for the Next Influenza Pandemic in Humans?
Auteurs : K. S. Li ; K. M. Xu ; J. S. M. Peiris ; L. L. M. Poon ; K. Z. Yu ; K. Y. Yuen ; K. F. Shortridge ; R. G. Webster ; Y. GuanSource :
- Journal of Virology [ 0022-538X ] ; 2003.
Abstract
A current view of the emergence of pandemic influenza viruses envisages a gene flow from the aquatic avian reservoir to humans via reassortment in pigs, the hypothetical “mixing vessel.” Understanding arising from recent H5N1 influenza outbreaks in Hong Kong since 1997 and the isolation of avian H9N2 virus from humans raises alternative options for the emergence of a new pandemic virus. Here we report that H9N2 influenza viruses established in terrestrial poultry in southern China are transmitted back to domestic ducks, in which the viruses generate multiple reassortants. These novel H9N2 viruses are double or even triple reassortants that have amino acid signatures in their hemagglutinin, indicating their potential to directly infect humans. Some of them contain gene segments that are closely related to those of A/Hong Kong/156/97 (H5N1/97, H5N1) or A/Quail/Hong Kong/G1/97 (G1-like, H9N2). More importantly, some of their internal genes are closely related to those of novel H5N1 viruses isolated during the outbreak in Hong Kong in 2001. This study reveals a two-way transmission of influenza virus between terrestrial and aquatic birds that facilitates the generation of novel reassortant H9N2 influenza viruses. Such reassortants may directly or indirectly play a role in the emergence of the next pandemic virus.
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DOI: 10.1128/JVI.77.12.6988-6994.2003
PubMed: 12768017
PubMed Central: 156195
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Poon</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Yu, K Z" sort="Yu, K Z" uniqKey="Yu K" first="K. Z." last="Yu">K. Z. Yu</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Yuen, K Y" sort="Yuen, K Y" uniqKey="Yuen K" first="K. Y." last="Yuen">K. Y. Yuen</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Shortridge, K F" sort="Shortridge, K F" uniqKey="Shortridge K" first="K. F." last="Shortridge">K. F. Shortridge</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Webster, R G" sort="Webster, R G" uniqKey="Webster R" first="R. G." last="Webster">R. G. Webster</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Guan, Y" sort="Guan, Y" uniqKey="Guan Y" first="Y." last="Guan">Y. 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S." last="Li">K. S. Li</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Xu, K M" sort="Xu, K M" uniqKey="Xu K" first="K. M." last="Xu">K. M. Xu</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Peiris, J S M" sort="Peiris, J S M" uniqKey="Peiris J" first="J. S. M." last="Peiris">J. S. M. Peiris</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Poon, L L M" sort="Poon, L L M" uniqKey="Poon L" first="L. L. M." last="Poon">L. L. M. Poon</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Yu, K Z" sort="Yu, K Z" uniqKey="Yu K" first="K. Z." last="Yu">K. Z. Yu</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Yuen, K Y" sort="Yuen, K Y" uniqKey="Yuen K" first="K. Y." last="Yuen">K. Y. Yuen</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Shortridge, K F" sort="Shortridge, K F" uniqKey="Shortridge K" first="K. F." last="Shortridge">K. F. Shortridge</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Webster, R G" sort="Webster, R G" uniqKey="Webster R" first="R. G." last="Webster">R. G. Webster</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Guan, Y" sort="Guan, Y" uniqKey="Guan Y" first="Y." last="Guan">Y. Guan</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author></analytic><series><title level="j">Journal of Virology</title><idno type="ISSN">0022-538X</idno><idno type="eISSN">1098-5514</idno><imprint><date when="2003">2003</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>A current view of the emergence of pandemic influenza viruses envisages a gene flow from the aquatic avian reservoir to humans via reassortment in pigs, the hypothetical “mixing vessel.” Understanding arising from recent H5N1 influenza outbreaks in Hong Kong since 1997 and the isolation of avian H9N2 virus from humans raises alternative options for the emergence of a new pandemic virus. Here we report that H9N2 influenza viruses established in terrestrial poultry in southern China are transmitted back to domestic ducks, in which the viruses generate multiple reassortants. These novel H9N2 viruses are double or even triple reassortants that have amino acid signatures in their hemagglutinin, indicating their potential to directly infect humans. Some of them contain gene segments that are closely related to those of A/Hong Kong/156/97 (H5N1/97, H5N1) or A/Quail/Hong Kong/G1/97 (G1-like, H9N2). More importantly, some of their internal genes are closely related to those of novel H5N1 viruses isolated during the outbreak in Hong Kong in 2001. This study reveals a two-way transmission of influenza virus between terrestrial and aquatic birds that facilitates the generation of novel reassortant H9N2 influenza viruses. Such reassortants may directly or indirectly play a role in the emergence of the next pandemic virus.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Virol</journal-id><journal-id journal-id-type="publisher-id">jvi</journal-id><journal-title>Journal of Virology</journal-title><issn pub-type="ppub">0022-538X</issn><issn pub-type="epub">1098-5514</issn><publisher><publisher-name>American Society for Microbiology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">12768017</article-id><article-id pub-id-type="pmc">156195</article-id><article-id pub-id-type="publisher-id">2436</article-id><article-id pub-id-type="doi">10.1128/JVI.77.12.6988-6994.2003</article-id><article-categories><subj-group subj-group-type="heading"><subject>Recombination and Evolution</subject></subj-group></article-categories><title-group><article-title>Characterization of H9 Subtype Influenza Viruses from the Ducks of Southern China: a Candidate for the Next Influenza Pandemic in Humans?</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Li</surname><given-names>K. S.</given-names></name><xref ref-type="aff" rid="aff1">1</xref></contrib><contrib contrib-type="author"><name><surname>Xu</surname><given-names>K. M.</given-names></name><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff1">2</xref></contrib><contrib contrib-type="author"><name><surname>Peiris</surname><given-names>J. S. M.</given-names></name><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff1">2</xref></contrib><contrib contrib-type="author"><name><surname>Poon</surname><given-names>L. L. M.</given-names></name><xref ref-type="aff" rid="aff1">2</xref></contrib><contrib contrib-type="author"><name><surname>Yu</surname><given-names>K. Z.</given-names></name><xref ref-type="aff" rid="aff1">3</xref></contrib><contrib contrib-type="author"><name><surname>Yuen</surname><given-names>K. Y.</given-names></name><xref ref-type="aff" rid="aff1">2</xref></contrib><contrib contrib-type="author"><name><surname>Shortridge</surname><given-names>K. F.</given-names></name><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff1">2</xref></contrib><contrib contrib-type="author"><name><surname>Webster</surname><given-names>R. G.</given-names></name><xref ref-type="aff" rid="aff1">4</xref></contrib><contrib contrib-type="author"><name><surname>Guan</surname><given-names>Y.</given-names></name><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff1">2</xref><xref ref-type="corresp" rid="cor1">*</xref></contrib></contrib-group><aff id="aff1">Joint Influenza Research Centre (SUMC & HKU), Department of Microbiology and Immunology, Shantou University Medical College, Shantou, Guangdong 515031,<label>1</label> Department of Microbiology, Queen Mary Hospital, The University of Hong Kong, Pokfulam, Hong Kong, SAR,<label>2</label> Bureau of Animal Production & Health, Ministry of Agriculture, Beijing 100026, P. R. China,<label>3</label> Virology Division, Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee 38105<label>4</label></aff><author-notes><fn id="cor1"><label>*</label><p>Corresponding author. Mailing address: Department of Microbiology, The University of Hong Kong, University Pathology Building, Queen Mary Hospital, Pokfulam, Hong Kong SAR, People’s Republic of China. Phone: (852) 2855 4345. Fax: (852) 2855 1241. E-mail: <email>yguan@hkucc.hku.hk</email>.</p></fn></author-notes><pub-date pub-type="ppub"><month>6</month><year>2003</year></pub-date><volume>77</volume><issue>12</issue><fpage>6988</fpage><lpage>6994</lpage><history><date date-type="received"><day>3</day><month>12</month><year>2002</year></date><date date-type="accepted"><day>25</day><month>3</month><year>2003</year></date></history><copyright-statement>Copyright © 2003, American Society for Microbiology</copyright-statement><copyright-year>2003</copyright-year><abstract><p>A current view of the emergence of pandemic influenza viruses envisages a gene flow from the aquatic avian reservoir to humans via reassortment in pigs, the hypothetical “mixing vessel.” Understanding arising from recent H5N1 influenza outbreaks in Hong Kong since 1997 and the isolation of avian H9N2 virus from humans raises alternative options for the emergence of a new pandemic virus. Here we report that H9N2 influenza viruses established in terrestrial poultry in southern China are transmitted back to domestic ducks, in which the viruses generate multiple reassortants. These novel H9N2 viruses are double or even triple reassortants that have amino acid signatures in their hemagglutinin, indicating their potential to directly infect humans. Some of them contain gene segments that are closely related to those of A/Hong Kong/156/97 (H5N1/97, H5N1) or A/Quail/Hong Kong/G1/97 (G1-like, H9N2). More importantly, some of their internal genes are closely related to those of novel H5N1 viruses isolated during the outbreak in Hong Kong in 2001. This study reveals a two-way transmission of influenza virus between terrestrial and aquatic birds that facilitates the generation of novel reassortant H9N2 influenza viruses. Such reassortants may directly or indirectly play a role in the emergence of the next pandemic virus.</p></abstract></article-meta></front></pmc><affiliations><list></list><tree><noCountry><name sortKey="Guan, Y" sort="Guan, Y" uniqKey="Guan Y" first="Y." last="Guan">Y. Guan</name><name sortKey="Li, K S" sort="Li, K S" uniqKey="Li K" first="K. S." last="Li">K. S. Li</name><name sortKey="Peiris, J S M" sort="Peiris, J S M" uniqKey="Peiris J" first="J. S. M." last="Peiris">J. S. M. Peiris</name><name sortKey="Poon, L L M" sort="Poon, L L M" uniqKey="Poon L" first="L. L. M." last="Poon">L. L. M. Poon</name><name sortKey="Shortridge, K F" sort="Shortridge, K F" uniqKey="Shortridge K" first="K. F." last="Shortridge">K. F. Shortridge</name><name sortKey="Webster, R G" sort="Webster, R G" uniqKey="Webster R" first="R. G." last="Webster">R. G. Webster</name><name sortKey="Xu, K M" sort="Xu, K M" uniqKey="Xu K" first="K. M." last="Xu">K. M. Xu</name><name sortKey="Yu, K Z" sort="Yu, K Z" uniqKey="Yu K" first="K. Z." last="Yu">K. Z. Yu</name><name sortKey="Yuen, K Y" sort="Yuen, K Y" uniqKey="Yuen K" first="K. Y." last="Yuen">K. Y. Yuen</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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