homologous segment meaning in Chinese

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Three chloroplast transformation vectors including pds16s - cat , ptn1269 - bar and psp72 - n5 - bar - n3 were constructed , using ! 6s rrna or chln gene sequence as a homologous segment and cat or bar as a selective marker gene , respectively . foreign genes were introduced to the cells of d . salina by microprojectile bombardment method and a pilot chloroplast tran
3 .杜氏盐藻叶绿体165出na基因的克隆和转化载体的构建根据杜氏盐藻的近缘藻类的叶绿体基因组序列资料，克隆了杜氏盐藻叶绿体16srrna基因部分序列1100bp ，并利用克隆的16srrna郑州大学2003年博士学位论文