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本文对河南省2010年7～12月的HFMD监测标本进行了肠道病毒B组的血清型分布研究。来自HFMD病例的阳性病毒分离物进行分子分型方法鉴定并进行VP1完整编码区核苷酸序列测定和分析。所获VP1全序与其他B组各基因型代表株和中国大陆株进行比较并构建系统发生树。共获得14株HEV-B河南株,分为E1、E6、E11、E13、E25、E30共6个血清型。VP1系统进化分析显示2010年河南HEV-B分离株与原型株亲缘关系较远,E25、E11和E6均与山东株亲缘关系最近,E1和E13均与云南株亲缘关系最近,E30与2008年河南株亲缘关系最近。E6病毒存在两种基因型的共循环现象。
Abstract：This report presents an overview of human enterovirus B species in Henan Province.A total of 14 isolates of HEV-B species isolated under HFMD surveillance network during the six months in 2010 were examined.Based on molecular typing results targeting VP1 region,14 isolates were classified into 6 serotypes of HEV-B.Furthermore,comparison of these 14 isolates with reference strains and strains in mainland China was conducted.The phylogenetic analysis revealed that E25,E11 and E6 showed homology with those from Shandong Province which adjoins Henan Province.E1 and E13 showed homology with those from Yunnan Province,and E30 showed homology with Henan strain isolated in 2008.Cocirculation of two lineages of echovirus 6 was observed.
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基本信息:
DOI：10.13242/j.cnki.bingduxuebao.002252
中图分类号:R373.2
引用信息:
[1]卫海燕,许玉玲,黄学勇,等.2010年7～12月肠道病毒B组河南株的血清学分布[J].病毒学报,2012,28(02):114-117.DOI:10.13242/j.cnki.bingduxuebao.002252.
基金信息:
河南省医学科技重大攻关项目(201001015);; 河南省医学科技攻关项目(2011020175)