Abstract
The sequence of the cloned Tetrahymena ribosomal RNA intervening sequence (IVS) was altered at the site to which circularization normally occurs. The alterations caused circularization to shift to other sites, usually a nearby position which followed three pyrimidines. While a tripyrimidine sequence was the major determinant of a circularization site, both location of a sequence and local secondary structure may influence the use of that sequence. For some constructs circularization appeared to occur at the position following the 5' G, the nucleotide added to the IVS during its excision. Portions of the internal guide sequence (IGS), proposed to interact with the 3'exon were deleted without preventing exon ligation. Thus if the IGS-3'exon interaction exists, it is not essential for splicing in vitro.
Full text
PDF



















Images in this article
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Bass B. L., Cech T. R. Specific interaction between the self-splicing RNA of Tetrahymena and its guanosine substrate: implications for biological catalysis by RNA. 1984 Apr 26-May 2Nature. 308(5962):820–826. doi: 10.1038/308820a0. [DOI] [PubMed] [Google Scholar]
- Cech T. R., Rio D. C. Localization of transcribed regions on extrachromosomal ribosomal RNA genes of Tetrahymena thermophila by R-loop mapping. Proc Natl Acad Sci U S A. 1979 Oct;76(10):5051–5055. doi: 10.1073/pnas.76.10.5051. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Cech T. R., Tanner N. K., Tinoco I., Jr, Weir B. R., Zuker M., Perlman P. S. Secondary structure of the Tetrahymena ribosomal RNA intervening sequence: structural homology with fungal mitochondrial intervening sequences. Proc Natl Acad Sci U S A. 1983 Jul;80(13):3903–3907. doi: 10.1073/pnas.80.13.3903. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Cech T. R., Zaug A. J., Grabowski P. J. In vitro splicing of the ribosomal RNA precursor of Tetrahymena: involvement of a guanosine nucleotide in the excision of the intervening sequence. Cell. 1981 Dec;27(3 Pt 2):487–496. doi: 10.1016/0092-8674(81)90390-1. [DOI] [PubMed] [Google Scholar]
- Davies R. W., Waring R. B., Ray J. A., Brown T. A., Scazzocchio C. Making ends meet: a model for RNA splicing in fungal mitochondria. Nature. 1982 Dec 23;300(5894):719–724. doi: 10.1038/300719a0. [DOI] [PubMed] [Google Scholar]
- Din N., Engberg J., Kaffenberger W., Eckert W. A. The intervening sequence in the 26S rRNA coding region of T. thermophila is transcribed within the largest stable precursor for rRNA. Cell. 1979 Oct;18(2):525–532. doi: 10.1016/0092-8674(79)90069-2. [DOI] [PubMed] [Google Scholar]
- Holmes D. S., Quigley M. A rapid boiling method for the preparation of bacterial plasmids. Anal Biochem. 1981 Jun;114(1):193–197. doi: 10.1016/0003-2697(81)90473-5. [DOI] [PubMed] [Google Scholar]
- Inoue T., Cech T. R. Secondary structure of the circular form of the Tetrahymena rRNA intervening sequence: a technique for RNA structure analysis using chemical probes and reverse transcriptase. Proc Natl Acad Sci U S A. 1985 Feb;82(3):648–652. doi: 10.1073/pnas.82.3.648. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Konarska M. M., Grabowski P. J., Padgett R. A., Sharp P. A. Characterization of the branch site in lariat RNAs produced by splicing of mRNA precursors. Nature. 1985 Feb 14;313(6003):552–557. doi: 10.1038/313552a0. [DOI] [PubMed] [Google Scholar]
- Kruger K., Grabowski P. J., Zaug A. J., Sands J., Gottschling D. E., Cech T. R. Self-splicing RNA: autoexcision and autocyclization of the ribosomal RNA intervening sequence of Tetrahymena. Cell. 1982 Nov;31(1):147–157. doi: 10.1016/0092-8674(82)90414-7. [DOI] [PubMed] [Google Scholar]
- Krämer A., Keller W., Appel B., Lührmann R. The 5' terminus of the RNA moiety of U1 small nuclear ribonucleoprotein particles is required for the splicing of messenger RNA precursors. Cell. 1984 Aug;38(1):299–307. doi: 10.1016/0092-8674(84)90551-8. [DOI] [PubMed] [Google Scholar]
- Maxam A. M., Gilbert W. Sequencing end-labeled DNA with base-specific chemical cleavages. Methods Enzymol. 1980;65(1):499–560. doi: 10.1016/s0076-6879(80)65059-9. [DOI] [PubMed] [Google Scholar]
- Michel F., Dujon B. Conservation of RNA secondary structures in two intron families including mitochondrial-, chloroplast- and nuclear-encoded members. EMBO J. 1983;2(1):33–38. doi: 10.1002/j.1460-2075.1983.tb01376.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Mount S. M., Pettersson I., Hinterberger M., Karmas A., Steitz J. A. The U1 small nuclear RNA-protein complex selectively binds a 5' splice site in vitro. Cell. 1983 Jun;33(2):509–518. doi: 10.1016/0092-8674(83)90432-4. [DOI] [PubMed] [Google Scholar]
- Mount S., Steitz J. Lessons from mutant globins. Nature. 1983 Jun 2;303(5916):380–381. doi: 10.1038/303380a0. [DOI] [PubMed] [Google Scholar]
- Padgett R. A., Mount S. M., Steitz J. A., Sharp P. A. Splicing of messenger RNA precursors is inhibited by antisera to small nuclear ribonucleoprotein. Cell. 1983 Nov;35(1):101–107. doi: 10.1016/0092-8674(83)90212-x. [DOI] [PubMed] [Google Scholar]
- Pikielny C. W., Teem J. L., Rosbash M. Evidence for the biochemical role of an internal sequence in yeast nuclear mRNA introns: implications for U1 RNA and metazoan mRNA splicing. Cell. 1983 Sep;34(2):395–403. doi: 10.1016/0092-8674(83)90373-2. [DOI] [PubMed] [Google Scholar]
- Price J. V., Kieft G. L., Kent J. R., Sievers E. L., Cech T. R. Sequence requirements for self-splicing of the Tetrahymena thermophila pre-ribosomal RNA. Nucleic Acids Res. 1985 Mar 25;13(6):1871–1889. doi: 10.1093/nar/13.6.1871. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Sullivan F. X., Cech T. R. Reversibility of cyclization of the Tetrahymena rRNA intervening sequence: implication for the mechanism of splice site choice. Cell. 1985 Sep;42(2):639–648. doi: 10.1016/0092-8674(85)90121-7. [DOI] [PubMed] [Google Scholar]
- Waring R. B., Scazzocchio C., Brown T. A., Davies R. W. Close relationship between certain nuclear and mitochondrial introns. Implications for the mechanism of RNA splicing. J Mol Biol. 1983 Jul 5;167(3):595–605. doi: 10.1016/s0022-2836(83)80100-4. [DOI] [PubMed] [Google Scholar]
- Wild M. A., Gall J. G. An intervening sequence in the gene coding for 25S ribosomal RNA of Tetrahymena pigmentosa. Cell. 1979 Mar;16(3):565–573. doi: 10.1016/0092-8674(79)90030-8. [DOI] [PubMed] [Google Scholar]
- Zaug A. J., Grabowski P. J., Cech T. R. Autocatalytic cyclization of an excised intervening sequence RNA is a cleavage-ligation reaction. Nature. 1983 Feb 17;301(5901):578–583. doi: 10.1038/301578a0. [DOI] [PubMed] [Google Scholar]
- Zaug A. J., Kent J. R., Cech T. R. A labile phosphodiester bond at the ligation junction in a circular intervening sequence RNA. Science. 1984 May 11;224(4649):574–578. doi: 10.1126/science.6200938. [DOI] [PubMed] [Google Scholar]