转座子是一种能够在转座酶作用下随机插入到宿主基因组中的DNA可移动元件,常被用作挖掘宿主功能基因的工具.细菌宿主限制性修饰系......

Objective. To clone complete EcoRII restriction endonuclease gene (ecoRIIR) and methyltransferase gene(ecoRIIM) in on......