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Genomic structure of the human cytosolic aldehyde dehydrogenase gene   总被引:1,自引:0,他引:1  
L C Hsu  W C Chang  A Yoshida 《Genomics》1989,5(4):857-865
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Rat liver nuclei contain a 29-nucleotides-long RNA (fr 3-RNA) which is transcribed from middle repetitive DNA sequences. By Southern analysis of restriction fragments of rat albumin and alpha-fetoprotein genomic clones, DNA sequences complementary to this RNA were detected on a 4.6 kbp Eco RI fragment located 600 bp downstream from the termination exon of the albumin gene and on a 2 kbp Eco RI-HindIII fragment located 10 kbp downstream from the restriction fragment containing the alpha-fetoprotein site. No sequence complementary to this RNA was found either in the introns of exons of both genes or in the regions extending 7 kbp upstream from the first albumin exon and 10 kbp upstream of the first alpha-fetoprotein exon. We concluded that sequences complementary to fr 3-RNA are present at the 3'-end flanking regions of the rat albumin and alpha-fetoprotein gene complexes.  相似文献   

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Structure of the human aldose reductase gene   总被引:6,自引:0,他引:6  
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The nucleotide sequence of the replication origin beta of the plasmid R6K   总被引:11,自引:0,他引:11  
We h ave identified by molecular cloning a region of 283 base pairs of the HindIII 2 fragment of R6K which corresponds to the region of the replication origin beta. This 283 base-pair DNA fragment, when present contiguously with the structural gene for the replication initiation protein of R6K, encoded in the HindIII 9-15 and part of HindIII 2 restriction fragments, will support the replication of a plasmid chimera containing the pBR322 replicon in a pol Ats host at the nonpermissive temperature. The nucleotide sequence of the region of replication origin beta has been determined. The nucleotide sequence has some homology with the ori gamma region of R6K; it has a 15-base-pair homology with the replication origin of Escherichia coli.  相似文献   

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Nucleotide sequence of the gene for the gamma chain of human fibrinogen   总被引:15,自引:0,他引:15  
M W Rixon  D W Chung  E W Davie 《Biochemistry》1985,24(8):2077-2086
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Rat liver nuclei contain a 29-nucleotides-long RNA (fr 3-RNA) which is transcribed from middle repetitive DNA sequences. By Southern analysis of restriction fragments of rat albumin and α-fetoprotein genomic clones, DNA sequences complementary to this RNA were detected on a 4.6 kbp EcoRI fragment located 600 bp downstream from the termination exon of the albumin gene and on a 2 kbp EcoRI-HindIII fragment located 10 kbp downstream from the restriction fragment containing the α-fetoprotein site. No sequence complementary to this RNA was found either in the introns of exons of both genes or in the regions extending 7 kbp upstream from the first albumin exon and 10 kbp upstream of the first α-fetoprotein exon. We concluded that sequences complementary to fr 3-RNA are present at the 3′-end flanking regions of the rat albumin and α-fetoprotein gene complexes.  相似文献   

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