共查询到20条相似文献,搜索用时 31 毫秒
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Delimitation of a DNA sequence which confers inducibility by glucocorticoid hormones 总被引:1,自引:0,他引:1
B Groner P Herrlich N Kennedy H Ponta U Rahmsdorf N E Hynes 《Journal of cellular biochemistry》1982,20(4):349-357
A chimeric long terminal repeat-thymidine kinase (LTR-tk) gene has been used to define the sequence requirements for glucocorticoid induction of gene expression. The original LTR-tk gene contains an entire mouse mammary tumor virus (MMTV) LTR preceding the tk gene. This gene can be expressed in a hormone-responsive fashion upon transfection into L tk--cells to produce a chimeric LTR-tk mRNA. Stepwise deletion of nucleotide sequences 5' of the viral RNA initiation site revealed that 202 nucleotides upstream of the viral cap site are sufficient for the hormonal regulation. Deletion of 5' sequences up to 59 nucleotides upstream of the viral cap site abolished RNA initiation in the LTR and hormonal induction. 相似文献
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Structure and expression of the human apolipoprotein A-IV gene 总被引:8,自引:0,他引:8
N A Elshourbagy D W Walker Y K Paik M S Boguski M Freeman J I Gordon J M Taylor 《The Journal of biological chemistry》1987,262(17):7973-7981
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The nucleotide sequence and transcript map of the herpes simplex virus thymidine kinase gene 总被引:164,自引:20,他引:144
S L McKnight 《Nucleic acids research》1980,8(24):5949-5964
This paper presents the nucleotide sequence of the Herpes Simplex Virus thymidine kinase (tk) gene. The position on the DNA sequence corresponding to the 5' and 3' termini of tk messenger RNA have been mapped. The mRNA termini are separated by slightly more than 1,300 nucleotides. The same 2,300 nucleotide segment of tk coding strand DNA is fully protected from S1 nuclease digestion when hybridized to tk mRNA. The location and size of the mRNA-coding segment corresponds to a region of the viral DNA that is essential for tk gene expression in microinjected frog oocytes. The nucleotide sequence of the HSV tk gene exhibits an open translational reading frame of 376 codons that extends from the methionine codon most proximal to the 5' terminus of tk mRNA to a UGA stop codon approximately 70 nucleotides from the poly-A addition site. The results of these experiments indicate that the tk gene is not interrupted by intervening DNA sequences, and that certain oligonucleotide sequences adjacent to the termini of the tk gene are homologous to similarly positioned sequences common to structural genes of eukaryotic cells. 相似文献
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