Compatibility of H9N2 avian influenza surface genes and 2009 pandemic H1N1 internal genes for transmission in the ferret model
Identifieur interne : 000C79 ( Main/Exploration ); précédent : 000C78; suivant : 000C80Compatibility of H9N2 avian influenza surface genes and 2009 pandemic H1N1 internal genes for transmission in the ferret model
Auteurs : J. Brian Kimble [États-Unis] ; Erin Sorrell [États-Unis] ; Hongxia Shao [États-Unis] ; Philip L. Martin [États-Unis] ; Daniel Roberto Perez [États-Unis]Source :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2011.
Abstract
In 2009, a novel H1N1 influenza (pH1N1) virus caused the first influenza pandemic in 40 y. The virus was identified as a triple reassortant between avian, swine, and human influenza viruses, highlighting the importance of reassortment in the generation of viruses with pandemic potential. Previously, we showed that a reassortant virus composed of wild-type avian H9N2 surface genes in a seasonal human H3N2 backbone could gain efficient respiratory droplet transmission in the ferret model. Here we determine the ability of the H9N2 surface genes in the context of the internal genes of a pH1N1 virus to efficiently transmit via respiratory droplets in ferrets. We generated reassorted viruses carrying the HA gene alone or in combination with the NA gene of a prototypical H9N2 virus in the background of a pH1N1 virus. Four reassortant viruses were generated, with three of them showing efficient respiratory droplet transmission. Differences in replication efficiency were observed for these viruses; however, the results clearly indicate that H9N2 avian influenza viruses and pH1N1 viruses, both of which have occasionally infected pigs, have the potential to reassort and generate novel viruses with respiratory transmission potential in mammals.
Url:
DOI: 10.1073/pnas.1108058108
PubMed: 21730147
PubMed Central: 3141953
Affiliations:
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Brian Kimble</name><affiliation wicri:level="2"><nlm:aff wicri:cut="; and" id="aff1">Department of Veterinary Medicine,<institution>University of Maryland</institution>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park, MD 20742</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Maryland</region></placeName><wicri:cityArea>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park</wicri:cityArea></affiliation></author><author><name sortKey="Sorrell, Erin" sort="Sorrell, Erin" uniqKey="Sorrell E" first="Erin" last="Sorrell">Erin Sorrell</name><affiliation wicri:level="2"><nlm:aff wicri:cut="; and" id="aff1">Department of Veterinary Medicine,<institution>University of Maryland</institution>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park, MD 20742</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Maryland</region></placeName><wicri:cityArea>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park</wicri:cityArea></affiliation></author><author><name sortKey="Shao, Hongxia" sort="Shao, Hongxia" uniqKey="Shao H" first="Hongxia" last="Shao">Hongxia Shao</name><affiliation wicri:level="2"><nlm:aff wicri:cut="; and" id="aff1">Department of Veterinary Medicine,<institution>University of Maryland</institution>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park, MD 20742</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Maryland</region></placeName><wicri:cityArea>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park</wicri:cityArea></affiliation></author><author><name sortKey="Martin, Philip L" sort="Martin, Philip L" uniqKey="Martin P" first="Philip L." last="Martin">Philip L. Martin</name><affiliation wicri:level="2"><nlm:aff id="aff2">Center for Advanced Preclinical Research,<institution>Science Applications International Corporation/National Cancer Institute</institution>, Frederick, MD 21702</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Maryland</region></placeName><wicri:cityArea>, Frederick</wicri:cityArea></affiliation></author><author><name sortKey="Perez, Daniel Roberto" sort="Perez, Daniel Roberto" uniqKey="Perez D" first="Daniel Roberto" last="Perez">Daniel Roberto Perez</name><affiliation wicri:level="2"><nlm:aff wicri:cut="; and" id="aff1">Department of Veterinary Medicine,<institution>University of Maryland</institution>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park, MD 20742</nlm:aff><country xml:lang="fr">États-Unis</country><placeName><region type="state">Maryland</region></placeName><wicri:cityArea>, College Park and Virginia-Maryland Regional College of Veterinary Medicine, College Park</wicri:cityArea></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="eISSN">1091-6490</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>In 2009, a novel H1N1 influenza (pH1N1) virus caused the first influenza pandemic in 40 y. The virus was identified as a triple reassortant between avian, swine, and human influenza viruses, highlighting the importance of reassortment in the generation of viruses with pandemic potential. Previously, we showed that a reassortant virus composed of wild-type avian H9N2 surface genes in a seasonal human H3N2 backbone could gain efficient respiratory droplet transmission in the ferret model. Here we determine the ability of the H9N2 surface genes in the context of the internal genes of a pH1N1 virus to efficiently transmit via respiratory droplets in ferrets. We generated reassorted viruses carrying the HA gene alone or in combination with the NA gene of a prototypical H9N2 virus in the background of a pH1N1 virus. Four reassortant viruses were generated, with three of them showing efficient respiratory droplet transmission. Differences in replication efficiency were observed for these viruses; however, the results clearly indicate that H9N2 avian influenza viruses and pH1N1 viruses, both of which have occasionally infected pigs, have the potential to reassort and generate novel viruses with respiratory transmission potential in mammals.</p></div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Maryland</li></region></list><tree><country name="États-Unis"><region name="Maryland"><name sortKey="Kimble, J Brian" sort="Kimble, J Brian" uniqKey="Kimble J" first="J. Brian" last="Kimble">J. Brian Kimble</name></region><name sortKey="Martin, Philip L" sort="Martin, Philip L" uniqKey="Martin P" first="Philip L." last="Martin">Philip L. Martin</name><name sortKey="Perez, Daniel Roberto" sort="Perez, Daniel Roberto" uniqKey="Perez D" first="Daniel Roberto" last="Perez">Daniel Roberto Perez</name><name sortKey="Shao, Hongxia" sort="Shao, Hongxia" uniqKey="Shao H" first="Hongxia" last="Shao">Hongxia Shao</name><name sortKey="Sorrell, Erin" sort="Sorrell, Erin" uniqKey="Sorrell E" first="Erin" last="Sorrell">Erin Sorrell</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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