The cDNA probe hybridized with BVDV RNA, HCV RNA and yeast tRNA by the dot blot method The BVDV RNA and HCV RNA were positive and yeast tRNA was negative.

• 琼脂糖凝胶电泳结果说明它与BVDV RNA相似。 该cDNA的探针用斑点杂交方法与BVDV RNA,HCV RNA和酵母tRNA杂交,BVDV RNA和HCVRNA显阳性反应,酵母tRNA显阴性反应,结果说明合成的cDNA为BVDV RNA的cDNA。