猪繁殖与呼吸综合征病毒基因组遗传变异研究进展

被引:19
作者
高志强
郭鑫
杨汉春
机构
[1] 中国农业大学动物医学院,中国农业大学动物医学院,中国农业大学动物医学院北京,北京,北京
关键词
猪繁殖与呼吸综合征病毒; 基因组; 遗传变异;
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
猪繁殖与呼吸综合征是目前严重危害养猪业的一种传染病 ,呈世界性流行。该病的病原为猪繁殖与呼吸综合征病毒(PRRSV) ,不同 PRRSV分离株核苷酸序列存在广泛而明显的变异 ,这给 PRRS的准确检测和有效控制带来困难。本文综述了近年来国内外关于该病毒不同分离株的遗传和变异情况 ,从基因组水平阐述了与病毒致病性关系较大的结构域 ,其中 5 'UTR,ORF1中的 Nsp2及 ORF3和 ORF5为变异较大的区域。
引用
收藏
页码:64 / 67
页数:4
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