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The tyrosinase-related protein-1 gene has a structure and promoter sequence very different from tyrosinase. 总被引:8,自引:2,他引:6
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We have determined the exon structure of the mouse tyrosinase-related protein-1 (TRP-1) gene. The gene is only 15kb in length, but contains seven introns, in contrast to the tyrosinase gene which is almost 100kb long with only four introns. Only two introns are located in homologous positions in both genes. Intron I of TRP-1 has three alternative 5' splice sites clustered within 21bp, which all splice to the same 3' site. Intron V has a very unusual 5' splice site, which has the dinucleotide GC rather than the conventional GT. We show that as little as 370bp of 5'-flanking DNA is sufficient to direct cell-specific expression of the chloramphenicol acetyl transferase gene. The flanking DNA of TRP-1, unlike tyrosinase, does not contain a TATA box or a CCAAT box. Both mouse genes, however, share an 11bp sequence, also found in human tyrosinase, which we suggest may be a melanocyte-specific promoter element. 相似文献
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Cloning and characterization of human estrogen receptor beta promoter 总被引:10,自引:0,他引:10
Li LC Yeh CC Nojima D Dahiya R 《Biochemical and biophysical research communications》2000,275(2):682-689
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C M Hsieh S F Yet M D Layne M Watanabe A M Hong M A Perrella M E Lee 《The Journal of biological chemistry》1999,274(20):14344-14351
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Structure of the promoter of the rat type II procollagen gene 总被引:11,自引:0,他引:11
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H Hashimoto A Nishino N Shintani N Hagihara N G Copeland N A Jenkins K Yamamoto T Matsuda T Ishihara S Nagata A Baba 《Genomics》1999,58(1):90-93
The gene encoding the mouse vasoactive intestinal polypeptide type 1 (VPAC1) receptor was cloned, and its structural organization was determined. The gene (Vipr1) is more than 16 kb in length and is divided into 13 exons. The 5'-flanking region is highly GC-rich and lacks an apparent TATA box, but contains a CCAAT box, three potential Sp1-binding sites, and two potential AP-2-binding sites. Promoter analysis of the 5'-flanking region of Vipr1 using a luciferase gene reporter system revealed that the isolated 5'-flanking region has functional promoter activity. The mouse Vipr1 gene is encoded by a single gene, which was mapped to the distal region of mouse chromosome 9. This region is syntenic with human chromosome 3p, where the human VPAC1 receptor gene has been mapped. 相似文献