Genetika · 1987
[Structural organization of the human p53 gene. I. Molecular cloning of the human p53 gene].
Аннотация на английскомСтатьяНазвание и аннотация: Оригинал на русском
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Bukhman V L, Ninkina N N, Chumakov P M, Khilenkova M A, Samarina O P
Аннотация
Human p53 gene was cloned from the normal human placenta DNA and DNA from the strain of human kidney carcinoma transplanted into nude mice. Representative gene library from tumor strain of human kidney carcinoma and library of 15 kb EcoRI fragments of DNA from normal human placenta were constructed. Maniatis gene library was also used. Five clones were isolated from kidney carcinoma library; they covered 27 kb and included full-length p53 gene of 19.5 kb and flanking sequences. From normal placenta libraries three overlapped clones were obtained. Restriction map of cloned sequences was constructed and polarity of the p53 gene determined. The first intron of the gene is large (10.4 kb); polymorphic BglII site was observed in this intron, which allows to discriminate between allelic genes. One of these (BglII-) is ten times more abundant that the other (BglII+). Both allelic genes are able to synthesize the 2.8 kb p53 gene.