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.
Isso resultou que a célula que estávamos tentando transplantar possuía uma nuclease, uma enzima que mastiga o DNA na superfície e estava feliz comendo o DNA sintético que nós colocávamos e nunca era transplantado.