| 摘要 |
1. Vector derived from plasmid pBR322, characterized by the combination of two resistance factors to ampicilline and to tetracycline respectively, normally contained in pBR 322, on the one hand, and of a complementation DNA containing a gene of thymidin kinase, such as that of the herpes virus, inserted within the Pvu II site of the plasmid, on the other hand. |
