These clones were used to transfect fetal donkey dermal (FDD) cells and donkey differentiated monocyte-macrophages (DL), and their infectious characteristics were monitored by RT-PCR and reverse transcriptase activity assay.

• 将所改造的突变克隆转染驴胎皮肤细胞(FDD)以及驴单核巨噬细胞(DL),并用逆转录酶活性检测和 RT PCR方法验证其感染性。