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PMID: 15215686 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Interregional transmission of the internal protein genes of H2 influenza virus in migratory ducks from North America to Eurasia.

Virus genes ·Vol. 29 ·No. 1 ·2004-08-00 ·Pages 81-6

Liu JH, Okazaki K, Bai GR, Shi WM, Mweene A, Kida H

Abstract

H2 influenza virus caused a pandemic in 1957 and has the possibility to cause outbreaks in the future. To assess the evolutionary characteristics of H2 influenza viruses isolated from migratory ducks that congregate in Hokkaido, Japan, on their flyway of migration from Siberia in 2001, we investigated the phylogenetic relationships among these viruses and avian and human viruses described previously. Phylogenetic analysis showed that the PB2 gene of Dk/Hokkaido/107/01 (H2N3) and the PA gene of Dk/Hokkaido/95/01 (H2N2) belonged to the American lineage of avian virus and that the other genes of the isolates belonged to the Eurasian lineage. These results indicate that the internal protein genes might be transmitted from American to Eurasian avian host. Thus, it is further confirmed that interregional transmission of influenza viruses occurred between the North American and Eurasian birds. The fact that reassortants could be generated in the migratory ducks between North American and Eurasian avian virus lineage further stresses the importance of global surveillance among the migratory ducks.

MeSH Terms
Animals Asia Ducks/virology Emigration and Immigration Europe Influenza A virus/classification,genetics Influenza in Birds/virology Molecular Sequence Data North America Phylogeny Sequence Analysis, DNA Viral Proteins/genetics
Chemicals
Viral Proteins
Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Liu Jin-Hua
Laboratory of Microbiology, College of Veterinary Medicine, China Agricultural University, Beijing, 100094, People' s Republic of China. ljh@cau.edu.cn
Okazaki Katsunori
Bai Gui-Rong
Shi Wei-Min
Mweene Aaron
Kida Hiroshi
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Article Info
Journal
Virus genes
Abbr.
Virus Genes
ISSN
0920-8569
DOI
10.1023/B:VIRU.0000032791.26573.f1
Email
ljh@cau.edu.cn
Published
2004-08-00
Pages
81-6
Language
English
Region
United States
NLM ID
8803967
Subset
IM
Databases
GENBANK
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External Links
PubMed source DOI: 10.1023/B:VIRU.0000032791.26573.f1 View journal details
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