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. 1987 Dec;117(4):619–631. doi: 10.1093/genetics/117.4.619

Evidence for Related Functions of the RNA Genes of Saccharomyces cerevisiae

Robert L Last 1, Janine R Maddock 1, John L Woolford Jr 1
PMCID: PMC1203236  PMID: 3322934

Abstract

The yeast genes RNA2-RNA11 are necessary for splicing of nuclear intron-containing pre-mRNAs. We investigated the relationships among these genes by asking whether increased expression of one RNA gene leads to suppression of the temperature-sensitive lethality of a mutation in any other RNA gene. The presence of extra plasmid-borne copies of the RNA3 gene relieves the lethality of temperature-sensitive rna4 mutations. A region of the yeast genome (SRN2) is described that suppresses temperature-sensitive rna2 mutations when it is present on either medium or high-copy number plasmids. Neither suppression occurs via a bypass of RNA gene function since null alleles of rna2 and rna4 are not suppressed by elevated dosage of SRN2 and RNA3, respectively. These results suggest that the SRN2 and RNA2 gene products have related functions, as do the RNA3 and RNA4 gene products.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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