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经血液传播的病毒(T ransfusion T ransm itted V irus,TTV)是日本学者N isha izaw a[1]运用代表性差异技术(R epresen tationd ifference analysis,RDA)从一名非甲-非庚型输血后肝炎患者血清中克隆出一株编号为N 22的、长约500 bp的DNA序列。经测序分析,该基因片段两端有Sau3A
T ransfusion T ransmitted V irus (TTV) is a Japanese scholar N isha izaw a [1] using a representative difference in technology (R epresen tation dference analysis, RDA) from a non-A - A DNA sequence with a length of about 500 bp was cloned from the serum of post-hepatitis patients. After sequencing analysis, the gene fragment has Sau3A at both ends