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Virological surveillance and phylogenetic analysis of the PB2 genes of influenza viruses isolated from wild water birds flying from their nesting lakes in Siberia to Hokkaido, Japan in autumn

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.59.1.15

Title: Virological surveillance and phylogenetic analysis of the PB2 genes of influenza viruses isolated from wild water birds flying from their nesting lakes in Siberia to Hokkaido, Japan in autumn
Authors: Asmah Abdul Samad, Rozanah Browse this author
Sakoda, Yoshihiro Browse this author →KAKEN DB
Tsuda, Yoshimi Browse this author
Simulundu, Edgar Browse this author
Manzoor, Rashid Browse this author
Okamatsu, Masatoshi Browse this author →KAKEN DB
Ito, Kimihito Browse this author →KAKEN DB
Kida, Hiroshi Browse this author →KAKEN DB
Keywords: Avian influenza
migratory ducks
PB2 gene
surveillance
Issue Date: Feb-2011
Publisher: The Graduate School of Veterinary Medicine, Hokkaido University
Journal Title: Japanese Journal of Veterinary Research
Volume: 59
Issue: 1
Start Page: 15
End Page: 22
Abstract: Recent introduction of H5N1 highly pathogenic avian influenza virus (HPAIV) in wild birds from poultry in Eurasia signaled the possibility that this virus may perpetuate in nature. Surveillance of avian influenza especially in migratory birds, therefore, has been conducted to provide information on the viruses brought by them to Hokkaido, Japan, from their nesting lakes in Siberia in autumn. During 2008-2009, 62 influenza viruses of 21 different combinations of hemagglutinin (HA) and neuraminidase (NA) subtypes were isolated. Up to September 2010, no HPAIV has been found, indicating that H5N1 HPAIV has not perpetuated at least dominantly in the lakes where ducks nest in summer in Siberia. The PB2 genes of 54 influenza viruses out of 283 influenza viruses isolated in Hokkaido in 2000-2009 were phylogenetically analysed. None of the genes showed close relation to those of H5N1 HPAIVs that were detected in wild birds found dead in Eurasia on the way back to their northern territory in spring.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/44861
Appears in Collections:Japanese Journal of Veterinary Research > Volume 59, Number 1

Submitter: 獣医学部図書室

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