The development and genetic diversity of H5N1 influenza virus in China, 1996-2006.

The development and genetic diversity of H5N1 influenza virus in China, 1996-2006.
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DOI:
10.1016/j.virol.2008.07.038
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发表时间:
2008-10-25
期刊:
影响因子:
3.7
通讯作者:
Guan, Y.
Guan, Y.
中科院分区:
医学3区
文献类型:
--
作者:
Duan, L.;Bahl, J.;Smith, G. J. D.;Wang, J.;Vijaykrishna, D.;Zhang, L. J.;Zhang, J. X.;Li, K. S.;Fan, X. H.;Cheung, C. L.;Huang, K.;Poon, L. L. M.;Shortridge, K. F.;Webster, R. G.;Peiris, J. S. M.;Chen, H.;Guan, Y.

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自1996年首次发现以来,鹅/广东/1/1996(Gs/GD)H5 N1流感病毒及其毒株已传播到60多个国家,其中有20多种不同的遗传毒株。然而,它们之间的相互关系和遗传多样性的发展尚未进行系统的分析。由于这些毒株均为中国首次发现,因此本文对1996-2006年从该地区分离的318株全长H5 N1病毒基因组进行了同源性分析。我们的研究结果显示,在2001年和2002年的两个主要的组重配事件,负责产生的44个不同的GS/GD基因型确定的大多数,除了那些1997年的变异。基因型替换和出现不断发生,检测到34个瞬时基因型,而只有10个变异体是持久的。还观察到两种主要的主要基因型替换:2002年基因型B被Z替换,然后2005年基因型Z被现在占优势的基因型V替换。
Since it was first detected in 1996, the Goose/Guangdong/1/1996 (Gs/GD) H5N1 influenza virus and its reassortants have spread to over 60 countries, with over 20 distinct genetic reassortants previously recognized. However, systematic analysis of their interrelationship and the development of genetic diversity have not been explored. As each of those reassortants was first detected in China, here 318 full- length H5N1 virus genomes isolated from 1996–2006 in this region were phylogenetically analyzed. Our findings revealed two major group reassortment events in 2001 and 2002 that were responsible for the generation of the majority of the 44 distinct Gs/GD genotypes identified, excepting those 1997 variants. Genotype replacement and emergence occurred continually, with 34 transient genotypes detected while only 10 variants were persistent. Two major replacements of predominant genotypes were also observed: genotype B replaced by Z in 2002 and then genotype Z replaced by the now predominant genotype V in 2005.
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发表时间: 2006-08-01
影响因子: 2.7
作者:
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