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Organization and transient expression of the gene for human U11 snRNA

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The nucleotide sequence of U11 small nuclear RNA, a minor U RNA from HeLa cells, was determined. Computer analysis of the sequence (135 residues) predicts two strong hairpin loops which are separated by seventeen nucleotides containing an Sm binding site (AAUUUUUUGG). A synthetic gene was constructed in which the coding region of U11 RNA is under the control of a T7 promoter. This vector can be used to produce U11 RNA in vitro. Southern hybridization and PCR analysis of HeLa genomic DNA suggest that U11 RNA is encoded by a single copy gene, and that at least three genomic regions could be U11 RNA pseudogenes. A HeLa genomic copy of a U11 gene was isolated by inverted PCR. This gene contains the U11 RNA coding sequence and several sequence elements unique for the U RNA genes. These include a Distal Sequence Element (DSE, ATTTGCATA) present between positions -215 and -223 relative to the start of transcription; a Proximal Sequence Element (PSE, TTCACCTTTACCAAAAATG) located between positions -43 and -63 ; and a 3′box (GTTAGGCGAAATATTA) between positions +150 and +166. Transfection of HeLa cells with this gene revealed that it is functioning in vivo and can produce U11 RNA.
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Document Type: Research Article

Publication date: January 1, 1991

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  • Gene Expression The Journal of Liver Research will publish articles in all aspects of hepatology. Hepatology, as a research discipline, has seen unprecedented growth especially in the cellular and molecular mechanisms of hepatic health and disease, which continues to have a major impact on understanding liver development, stem cells, carcinogenesis, tissue engineering, injury, repair, regeneration, immunology, metabolism, fibrosis, and transplantation. Continued research and improved understanding in these areas will have a meaningful impact on liver disease prevention, diagnosis, and treatment. The existing journal Gene Expression has expanded its focus to become Gene Expression The Journal of Liver Research to meet this growing demand. In its revised and expanded scope, the journal will publish high-impact original articles, reviews, short but complete articles, and special articles (editorials, commentaries, opinions) on all aspects of hepatology, making it a unique and invaluable resource for readers interested in this field. The expanded team, led by an Editor-in-Chief who is uniquely qualified and a renowned expert, along with a dynamic and functional editorial board, is determined to make this a premier journal in the field of hepatology.

    From Volume 16, Gene Expression The Journal of Liver Research is Open Access under the terms of the Creative Commons CC BY-NC-ND license.

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