快速检测致病性副溶血弧菌的Dot-ELISA方法的建立
文献类型: 中文期刊
作者: 王艳;;何再平;;黄忠荣;;张磊萍;;王权;;蒋蔚
作者机构:
关键词: 副溶血弧菌;耐热直接溶血素;Dot-ELISA;检测
期刊名称:中国动物传染病学报
ISSN: 1674-6422
年卷期: 2018 年 5 期
页码: 48-52
收录情况: 北大核心(2020版) ; 农林核心(2020版) ; 科技核心(2020版)
摘要: 本研究选用硝酸纤维素膜作固相载体,以出现明显清晰斑点者判为阳性结果,成功建立了检测致病性副溶血弧菌耐热直接溶血素(direct heat hemolysin,TDH)的斑点酶联免疫吸附试验(Dot-ELISA)方法.根据棋盘试验,确定免疫血清最佳工作浓度为1:100,酶标二抗最佳工作浓度为1:1000.特异性检测结果表明,TDH阳性的副溶血弧菌可以呈现明显清晰斑点,而不能产生TDH的副溶血弧菌及其他对照菌(如嗜水气单胞菌、大肠杆菌、沙门氏菌和金黄色葡萄球菌)均无斑点显示.该方法与PCR方法的符合率为82.5%.本研究所建立的Dot-ELISA检测方法简便、快速,特异性和敏感性较高,适合基层和现场的初步筛选.
分类号: S852.612
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