H9N2禽流感病毒中国分离株血凝素基因序列的初步分析

被引:7
作者
李曦
于康震
田国斌
唐秀英
邓国华
王秀荣
孟庆文
机构
[1] 中国农科院哈尔滨兽医研究所兽医生物技术国家重点实验室
[2] 中国农科院哈尔滨兽医研究所兽医生物技术国家
关键词
禽流感病毒; 血凝素基因; 系统发育分析;
D O I
暂无
中图分类号
S852.65 [家畜病毒学];
学科分类号
090601 ;
摘要
10株中国H9N2禽流感病毒分离株的血凝素基因分析表明 ,这些分离株间的亲缘关系较近 ,推测它们可能来源于同一种系。H9亚型分离株的HA1亚单位系统发育分析表明中国AIV分离株与 97香港禽类市场上分离到的毒株不同。中国分离株中在HA切割位点上均未见到典型的高致病力毒株H5、H7所具有的一系列碱性氨基酸 ,其排列均为PARSSGLF_ ,系统发育分析表明该 10株属欧亚种系
引用
收藏
页码:10 / 12
页数:3
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