Genetic diversity among avian influenza viruses
Identifieur interne : 002812 ( Main/Exploration ); précédent : 002811; suivant : 002813Genetic diversity among avian influenza viruses
Auteurs : G. Sriram [États-Unis] ; W. J. Bean Jr. [États-Unis] ; V. S. Hinshaw [États-Unis] ; R. G. Webster [États-Unis]Source :
- Virology [ 0042-6822 ] ; 1980.
English descriptors
- Teeft :
- Academic press, Alberta, Antigenic, Avian, Avian influenza, Avian influenza viruses, Avian viruses, Competitive hybridization, Electrophoretic, Formamide, Gene products, Genetic diversity, Genome, Genome segments, Hemagglutinin, Heterogeneity, High stringency, Hlnl, Homology, Human strains, Hybridization, Influenza, Influenza virus, Influenza viruses, Matrix gene, Migration patterns, Mutation, Neuraminidase, Palese, Polyacrylamide, Rna, Scholtissek, Stringency, Subtypes, Viral, Virology, Virus.
Abstract
Abstract: The RNAs of a series of avian influenza viruses of the subtype Hav7Neg2 were examined to determine if their antigenic similarity reflected an overall conservation of their RNA sequences. Genetic analysis by gel electrophoresis showed a marked variability in all of the RNA segments of the isolates. Analysis by competitive hybridization indicated that with some genome segments this variability represented major genetic differences. These differences were present even among concurrent isolates from one geographical area. In contrast, similar analysis of human H3N2 influenza virus isolates showed that viruses isolated 9 years apart were much more similar than the cocirculating avian viruses. The genetic diversity in avian influenza viruses may result from the cocirculation of many different influenza A viruses in ducks and their ability to recombine in nature.
Url:
DOI: 10.1016/0042-6822(80)90059-8
Affiliations:
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Hinshaw</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Tennessee</region></placeName><wicri:cityArea>Division of Virology, St. Jude Children's Research Hospital, 332 N. Lauderdale, P.O. Box 318, Memphis</wicri:cityArea></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 wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Tennessee</region></placeName><wicri:cityArea>Division of Virology, St. Jude Children's Research Hospital, 332 N. Lauderdale, P.O. Box 318, Memphis</wicri:cityArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Virology</title><title level="j" type="abbrev">YVIRO</title><idno type="ISSN">0042-6822</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1980">1980</date><biblScope unit="volume">105</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="592">592</biblScope><biblScope unit="page" to="599">599</biblScope></imprint><idno type="ISSN">0042-6822</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0042-6822</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Academic press</term><term>Alberta</term><term>Antigenic</term><term>Avian</term><term>Avian influenza</term><term>Avian influenza viruses</term><term>Avian viruses</term><term>Competitive hybridization</term><term>Electrophoretic</term><term>Formamide</term><term>Gene products</term><term>Genetic diversity</term><term>Genome</term><term>Genome segments</term><term>Hemagglutinin</term><term>Heterogeneity</term><term>High stringency</term><term>Hlnl</term><term>Homology</term><term>Human strains</term><term>Hybridization</term><term>Influenza</term><term>Influenza virus</term><term>Influenza viruses</term><term>Matrix gene</term><term>Migration patterns</term><term>Mutation</term><term>Neuraminidase</term><term>Palese</term><term>Polyacrylamide</term><term>Rna</term><term>Scholtissek</term><term>Stringency</term><term>Subtypes</term><term>Viral</term><term>Virology</term><term>Virus</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: The RNAs of a series of avian influenza viruses of the subtype Hav7Neg2 were examined to determine if their antigenic similarity reflected an overall conservation of their RNA sequences. Genetic analysis by gel electrophoresis showed a marked variability in all of the RNA segments of the isolates. Analysis by competitive hybridization indicated that with some genome segments this variability represented major genetic differences. These differences were present even among concurrent isolates from one geographical area. In contrast, similar analysis of human H3N2 influenza virus isolates showed that viruses isolated 9 years apart were much more similar than the cocirculating avian viruses. The genetic diversity in avian influenza viruses may result from the cocirculation of many different influenza A viruses in ducks and their ability to recombine in nature.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Tennessee</li></region></list><tree><country name="États-Unis"><region name="Tennessee"><name sortKey="Sriram, G" sort="Sriram, G" uniqKey="Sriram G" first="G." last="Sriram">G. Sriram</name></region><name sortKey="Bean Jr, W J" sort="Bean Jr, W J" uniqKey="Bean Jr W" first="W. J." last="Bean Jr.">W. J. Bean Jr.</name><name sortKey="Hinshaw, V S" sort="Hinshaw, V S" uniqKey="Hinshaw V" first="V. S." last="Hinshaw">V. S. Hinshaw</name><name sortKey="Webster, R G" sort="Webster, R G" uniqKey="Webster R" first="R. G." last="Webster">R. G. Webster</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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