It turned out the cell that we were trying to transplant into had a nuclease, an enzyme that chews up DNA on its surface, and was happy to eat the synthetic DNA that we gave it and never got transplantations.
最终证明，作为移植目标的细胞 有一种核酸酶，一种在DNA表面消化它的酶 而且非常开心的吃着 我们给它的合成DNA 所以从来没有移植成功