Synthesis of circular RNA in bacteria and yeast using RNA cyclase ribozymes derived from a group I intron of phage T4.

@article{ford94, abstract = {Studies on the function of circular RNA and RNA topology in vivo have been limited by the difficulty in expressing circular RNA of desired sequence. To overcome this, the group I intron from the phage T4 td gene was split in a peripheral loop (L6a) and rearranged so that the 3' half intron and 3' splice site are upstream and a 5' splice site and 5' half intron are downstream of a single exon. The group I splicing reactions excise the internal exon RNA as a circle (RNA cyclase ribozyme activity). We show that foreign sequences can be placed in the exon and made circular in vitro. Expression of such constructs (RNA cyclase ribozymes) in Escherichia coli and yeast results in the accumulation of circular RNA in these organisms. In yeast, RNA cyclase ribozymes can be expressed from a regulated promoter like an mRNA, containing 5' leader and 3' trailer regions, and a nuclear pre-mRNA intron. RNA cyclase ribozymes have broad application to questions of RNA structure and function including end requirements for RNA transport or function, RNA topology, efficacy of antisense or ribozyme gene control elements, and the biosynthesis of extremely long polypeptides.}, address = {Biology Department, Sinsheimer Laboratories, University of California, Santa Cruz 95064.}, author = {Ford, E. and Ares, M. }, citeulike-article-id = {3012084}, issn = {0027-8424}, journal = {Proceedings of the National Academy of Sciences of the United States of America}, keywords = {groupi, ribozyme, rna}, month = {April}, number = {8}, pages = {3117--3121}, posted-at = {2008-07-17 02:32:47}, priority = {0}, title = {Synthesis of circular RNA in bacteria and yeast using RNA cyclase ribozymes derived from a group I intron of phage T4.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/7512723}, volume = {91}, year = {1994} }

TY - JOUR ID - ford94 L3 - citeulike-article-id:3012084 TI - Synthesis of circular RNA in bacteria and yeast using RNA cyclase ribozymes derived from a group I intron of phage T4. JF - Proceedings of the National Academy of Sciences of the United States of America VL - 91 IS - 8 SP - 3117 EP - 3121 AD - Biology Department, Sinsheimer Laboratories, University of California, Santa Cruz 95064. SN - 0027-8424 N2 - Studies on the function of circular RNA and RNA topology in vivo have been limited by the difficulty in expressing circular RNA of desired sequence. To overcome this, the group I intron from the phage T4 td gene was split in a peripheral loop (L6a) and rearranged so that the 3' half intron and 3' splice site are upstream and a 5' splice site and 5' half intron are downstream of a single exon. The group I splicing reactions excise the internal exon RNA as a circle (RNA cyclase ribozyme activity). We show that foreign sequences can be placed in the exon and made circular in vitro. Expression of such constructs (RNA cyclase ribozymes) in Escherichia coli and yeast results in the accumulation of circular RNA in these organisms. In yeast, RNA cyclase ribozymes can be expressed from a regulated promoter like an mRNA, containing 5' leader and 3' trailer regions, and a nuclear pre-mRNA intron. RNA cyclase ribozymes have broad application to questions of RNA structure and function including end requirements for RNA transport or function, RNA topology, efficacy of antisense or ribozyme gene control elements, and the biosynthesis of extremely long polypeptides. KW - groupi KW - ribozyme KW - rna AU - Ford, E AU - Ares, M PY - 1994/04/12/ UR - http://view.ncbi.nlm.nih.gov/pubmed/7512723 ER -