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  • 标题:In Vitro TRANSCRIPTION OF A TRANSFER RNA GENE
  • 本地全文:下载
  • 作者:Violet Daniel ; Sara Sarid ; Jacques S. Beckmann
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:1970
  • 卷号:66
  • 期号:4
  • 页码:1260-1266
  • DOI:10.1073/pnas.66.4.1260
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:The Escherichia coli tRNATyr gene carried by the {phi}80psu3 + transducing phage was transcribed in vitro by DNA-dependent RNA polymerase. The enzymatically synthesized tRNATyr-like polynucleotide chains were detected by competition with purified E. coli32P-tRNATyr for specific hybridization sites on {phi}80psu3 + DNA. Analysis by sucrose gradient centrifugation showed the tRNATyr-like chains to possess a heterogeneous distribution with respect to sedimentation coefficients, with a broad peak around 8 S. The presence of the termination factor {rho} during the transcription did not significantly reduce the average size of the in vitro synthesized tRNATyr-like chains.
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