SGD Paper 
Chanfreau G, et al. (1994) Interaction between the first and last nucleotides of pre-mRNA introns is a determinant of 3' splice site selection in S. cerevisiae. Nucleic Acids Res 22(11):1981-7
Abstract: The splicing of group II and nuclear pre-mRNAs introns occurs via a similar splicing pathway and some of the RNA-RNA interactions involved in these splicing reactions show structural similarities. Recently, genetic analyses performed in a group II intron and the yeast nuclear actin gene suggested that non Watson-Crick interactions between intron boundaries are important for the second splicing step efficiency in both classes of introns. We here show that, in the yeast nuclear rp51A intron, a G to A mutation at the first position activates cryptic 3' splice sites with the sequences UAC/ or UAA/. Moreover, the natural 3' splice site could be reactivated by a G to C substitution of the last intron nucleotide. These results demonstrate that the interaction between the first and last intron nucleotides is a conserved feature of nuclear pre-mRNA splicing in yeast and is involved in the mechanism of 3' splice site selection.
| Status: Published | Type: Journal Article | PubMed ID: 8029003 |
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| Topics | Genes linked to topics |
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| RPS17A | |
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| Primary Literature | |
| RNA Levels and Processing | |
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