?转座因子
该方法利用转位子（transposon，转位子又被称作转座因子（Piggybac））来替代病毒作为运输所需基因的载体。此前，将皮肤细胞转化为诱导多功能干细胞的过程需要使用病毒作为载体，有引发癌症的风险。
?质粒
... onwhich 等于 oracle clob 字段长度 piggybac 质粒 ...
piggyBac因子
piggyBac转座子
piggyBac类转座子
While Xu and his colleagues were experimenting with a moth transposon, dubbed PiggyBac, Largaespada and his colleagues were working with another transposon, Sleeping Beauty.
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。