SYBR-GreenⅠ实时荧光PCR检测传染性鲑鱼贫血病

被引:11
作者
徐淑菲 [1 ]
孔繁德 [1 ]
高隆英 [2 ]
刘荭 [2 ]
陈信忠 [1 ]
龚艳青 [1 ]
机构
[1] 厦门出入境检验检疫局
[2] 深圳出入境检验检疫局
关键词
传染性鲑鱼贫血病毒; 阳性质控品; SYBR-GreenⅠ实时荧光PCR; 检测;
D O I
暂无
中图分类号
S943 [各种鱼的病害、敌害及其防治];
学科分类号
摘要
[目的]利用SYBR-GreenI实时荧光PCR检测传染性鲑鱼贫血病。[方法]根据传染性鲑鱼贫血病毒(ISAV)Y10404的序列合成部分基因片段,将其插入到T载体中,构建阳性质控品;并设计合成一对特异性引物。利用阳性质控品建立SYBR-GreenⅠ实时荧光PCR方法,对反应体系进行优化,进行特异性和敏感性分析,并制作标准曲线。[结果]最佳引物终浓度为0.5μmol/L。所建立的SYBR-GreenⅠ实时荧光PCR方法能够特异地检出ISAV;最低检出浓度为9.5×10-8μg/μL,其灵敏度比传统PCR高1000倍;能够从阳性样品中检出ISAV,Tm值为82.5℃。建立了标准曲线,其r2>0.99。
引用
收藏
页码:27 / 31
页数:5
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