期刊名称:Proceedings of the National Academy of Sciences
印刷版ISSN:0027-8424
电子版ISSN:1091-6490
出版年度:1980
卷号:77
期号:9
页码:5399-5403
DOI:10.1073/pnas.77.9.5399
语种:English
出版社:The National Academy of Sciences of the United States of America
摘要:A mixture of two recombinant plasmids was microinjected into mouse thymidine kinase-negative fibroblasts (L cells). One plasmid contained the thymidine kinase gene of herpes simplex virus type I and the other contained the human beta globin gene. Seven fibroblast colonies arising from injected cells incubated in hypoxanthine/aminopterin/thymidine medium were analyzed. These microinjected cells were shown to: (i) produce functionally active herpes simplex type I thymidine kinase enzyme, (ii) replicate the human beta globin gene, and (iii) produce human beta globin mRNA sequences at low levels. Thus, the genetic defect (lack of thymidine kinase activity) was corrected by the microinjected thymidine kinase gene, and a coinjected human beta globin gene was replicated and weakly expressed.