Perpetuation of influenza A viruses in Alaskan waterfowl reservoirs
Identifieur interne : 001D43 ( Main/Exploration ); précédent : 001D42; suivant : 001D44Perpetuation of influenza A viruses in Alaskan waterfowl reservoirs
Auteurs : T. Ito [Japon] ; K. Okazaki [Japon] ; Yoshihiro Kawaoka [États-Unis] ; A. Takada [Japon] ; R. G. Webster [États-Unis] ; H. Kida [Japon]Source :
- Archives of Virology [ 0304-8608 ] ; 1995-07-01.
English descriptors
- Teeft :
- Aleutian islands, American lineage, Antigenic, Antigenic subtype, Avian, Avian influenza, Avian influenza viruses, Avian origin, Avian species, Bull world health organ, Central alaska, Chicken erythrocytes, Different areas, Different lakes, Different points, Different regions, Different subtypes, Different years, Distinct lineages, Domestic ducks, Duck, Duck influenza viruses, Duck population, Fecal, Fecal materials, Fecal samples, Gorman, High incidence, Host birds, Human influenza, Influenza, Influenza virus, Influenza viruses, Kawaoka, Lake hood, Lake water, Mallard, Mallard lake, Migratory birds, Migratory ducks, Migratory waterfowls, Minto, Minto lake, National institute, Northern territories, Pandemic, Pandemic influenza, Phylogenetic, Phylogenetic analyses, Phylogenetic analysis, Sequence data, Southern china, Subtypes, Virological surveillance, Virology, Virus, Virus isolation, Water samples, Waterfowl, Waterfowl reservoirs, Wild ducks.
Abstract
Summary: To provide information on the mechanism of perpetuation of influenza viruses among waterfowl reservoirs in nature, virological surveillance was carried out in Alaska during their breeding season in summer from 1991 to 1994. Influenza viruses were isolated mainly from fecal samples of dabbling ducks in their nesting places in central Alaska. The numbers of subtypes of 108 influenza virus isolates were 1 H2N3, 37 H3N8, 55 H4N6, 1 H7N3, 1 H8N2, 1 H10N2, 11 H10N7, and H10N9. Influenza viruses were also isolated from water samples of the lakes where they nest. Even in September of 1994 when the most ducks had left for migration to south, viruses were still isolated from the lake water. Phylogenetic analysis of the NP genes of the representative isolates showed that they belong to the North American lineage of avian influenza viruses, suggesting that the majority of the waterfowls breeding in central Alaska migrate to North America and not to Asia. The present results support the notion that influenza viruses have been maintained in waterfowl population by water-borne transmission and revealed the mechanism of year-by-year perpetuation of the viruses in the lakes where they breed.
Url:
DOI: 10.1007/BF01322743
Affiliations:
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Takada</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Veterinary Hygiene and Microbiology, School of Veterinary Medicine, Hokkaido University, 060, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></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><wicri:regionArea>Department of Virology and Molecular Biology, St. Jude Children's Research Hospital, Memphis, Tennessee</wicri:regionArea><placeName><region type="state">Tennessee</region></placeName></affiliation></author><author><name sortKey="Kida, H" sort="Kida, H" uniqKey="Kida H" first="H." last="Kida">H. Kida</name><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Veterinary Hygiene and Microbiology, School of Veterinary Medicine, Hokkaido University, 060, Sapporo</wicri:regionArea><wicri:noRegion>Sapporo</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Archives of Virology</title><title level="j" type="abbrev">Archives of Virology</title><idno type="ISSN">0304-8608</idno><idno type="eISSN">1432-8798</idno><imprint><publisher>Springer-Verlag</publisher><pubPlace>Vienna</pubPlace><date type="published" when="1995-07-01">1995-07-01</date><biblScope unit="volume">140</biblScope><biblScope unit="issue">7</biblScope><biblScope unit="page" from="1163">1163</biblScope><biblScope unit="page" to="1172">1172</biblScope></imprint><idno type="ISSN">0304-8608</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0304-8608</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Aleutian islands</term><term>American lineage</term><term>Antigenic</term><term>Antigenic subtype</term><term>Avian</term><term>Avian influenza</term><term>Avian influenza viruses</term><term>Avian origin</term><term>Avian species</term><term>Bull world health organ</term><term>Central alaska</term><term>Chicken erythrocytes</term><term>Different areas</term><term>Different lakes</term><term>Different points</term><term>Different regions</term><term>Different subtypes</term><term>Different years</term><term>Distinct lineages</term><term>Domestic ducks</term><term>Duck</term><term>Duck influenza viruses</term><term>Duck population</term><term>Fecal</term><term>Fecal materials</term><term>Fecal samples</term><term>Gorman</term><term>High incidence</term><term>Host birds</term><term>Human influenza</term><term>Influenza</term><term>Influenza virus</term><term>Influenza viruses</term><term>Kawaoka</term><term>Lake hood</term><term>Lake water</term><term>Mallard</term><term>Mallard lake</term><term>Migratory birds</term><term>Migratory ducks</term><term>Migratory waterfowls</term><term>Minto</term><term>Minto lake</term><term>National institute</term><term>Northern territories</term><term>Pandemic</term><term>Pandemic influenza</term><term>Phylogenetic</term><term>Phylogenetic analyses</term><term>Phylogenetic analysis</term><term>Sequence data</term><term>Southern china</term><term>Subtypes</term><term>Virological surveillance</term><term>Virology</term><term>Virus</term><term>Virus isolation</term><term>Water samples</term><term>Waterfowl</term><term>Waterfowl reservoirs</term><term>Wild ducks</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Summary: To provide information on the mechanism of perpetuation of influenza viruses among waterfowl reservoirs in nature, virological surveillance was carried out in Alaska during their breeding season in summer from 1991 to 1994. Influenza viruses were isolated mainly from fecal samples of dabbling ducks in their nesting places in central Alaska. The numbers of subtypes of 108 influenza virus isolates were 1 H2N3, 37 H3N8, 55 H4N6, 1 H7N3, 1 H8N2, 1 H10N2, 11 H10N7, and H10N9. Influenza viruses were also isolated from water samples of the lakes where they nest. Even in September of 1994 when the most ducks had left for migration to south, viruses were still isolated from the lake water. Phylogenetic analysis of the NP genes of the representative isolates showed that they belong to the North American lineage of avian influenza viruses, suggesting that the majority of the waterfowls breeding in central Alaska migrate to North America and not to Asia. The present results support the notion that influenza viruses have been maintained in waterfowl population by water-borne transmission and revealed the mechanism of year-by-year perpetuation of the viruses in the lakes where they breed.</div></front></TEI><affiliations><list><country><li>Japon</li><li>États-Unis</li></country><region><li>Tennessee</li><li>Wisconsin</li></region><settlement><li>Madison (Wisconsin)</li></settlement><orgName><li>Université du Wisconsin à Madison</li></orgName></list><tree><country name="Japon"><noRegion><name sortKey="Ito, T" sort="Ito, T" uniqKey="Ito T" first="T." last="Ito">T. Ito</name></noRegion><name sortKey="Kida, H" sort="Kida, H" uniqKey="Kida H" first="H." last="Kida">H. Kida</name><name sortKey="Okazaki, K" sort="Okazaki, K" uniqKey="Okazaki K" first="K." last="Okazaki">K. Okazaki</name><name sortKey="Takada, A" sort="Takada, A" uniqKey="Takada A" first="A." last="Takada">A. Takada</name></country><country name="États-Unis"><region name="Tennessee"><name sortKey="Kawaoka, Y" sort="Kawaoka, Y" uniqKey="Kawaoka Y" first="Y." last="Kawaoka">Yoshihiro Kawaoka</name></region><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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