The viral nucleic acid was ssDNA after digested with DNase,RNase and Sl nuclease,Analysis of viral polypeptides by SDS-PAGE revealed that the virion had four structural polypep-tides with MW 86 kD,79kD,70 kD and 25.5 kD.

 
  • 用脱氧核糖核酸酶(DNase),核糖核酸酶(RNase)及二苯胺染色法对病毒核酸进行处理,证明该病毒核酸为脱氧核糖核酸,用Sl核酸酶(Slnucleasc)对该核酸进一步消化处理,进一步证实该病毒含单链DNA。 SDS-PAGE结果显示,该病毒含4条结构多肽,其分子量分别为86kD,79kD,70kD及25.;5kD。
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