The pEGFPTTV2 was transfected into Cos7 cell line using LipoFectamine 2000, and the transcription products of TTV ORF2 gene in the transfected cells were confirmed by RT-PCR.

• 用脂质体介导法将pEGFPTTV2质粒DNA转染Cos7细胞,通过RT-PCR分析,证实细胞中存在ORF2基因的转录产物。