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Comparison of detecting methods of pepper mild mottle Tobamovirus
Author(s): WANG Yanan, WANG Xifeng(statekeylaboratoryforbiologyofcroppests, INSTITUTE Ofplantprotection, CHINESE Academyofagriculturalsciences, BEIJING 100094, china)
Pages: 5-
7
Year: 2008
Issue:
4
Journal: Plant Protection Technology and Extension
Keyword: 辣椒轻斑驳病毒; DAS-ELISA; RT-PCR; DIG标记核酸斑点杂交;
Abstract: 为寻求一种灵敏、经济、快捷检测辣椒轻斑驳病毒(Pepper mild mottle Tobamovirus,PMMoV)的检测方法,以辣椒轻斑驳病毒侵染的甜椒叶片为材料,采用DIG标记的核酸斑点杂交、RT-PCR和DAS-ELISA3种方法检测不同系列稀释倍数的辣椒叶片总RNA和叶片提取液,测试3种方法的稀释限点。结果表明,RT-PCR灵敏度最高,地高辛斑点杂交灵敏度次之,DAS-ELISA灵敏度最低。在3种方法中地高辛斑点杂交方法与其他两种方法相比灵敏度较高,不需要任何特定仪器,而且适合大量样品的检测,所以此方法有很好的应用前景。
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