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Cited by 331

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Isolation and characterization of pre-mRNA splicing mutants of Saccharomyces cerevisiae.

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Vijayraghavan, U, Company, M, Abelson, J·1989·Genes & Development

Abstract

In this study we report the isolation of temperature-sensitive mutants that affect pre-mRNA splicing. A bank of approximately 1000 temperature-sensitive Saccharomyces cerevisiae strains was generated and screened on RNA gel blots by hybridization with an actin intron probe. We isolated 16 mutants defining 11 new complementation groups prp(rna)17-prp(rna)27 with four phenotypic classes of mutants and 21 mutants in the prp2-prp11 complementation groups (formerly rna2-rna11). The majority of the complementation groups share a phenotype of pre-mRNA accumulation, seen in all of the prp(rna)2-prp(rna)11 mutants. Three novel classes of mutants were isolated in this study. One class, consisting of two complementation groups, exhibits an accumulation of the lariat intermediate of splicing, with no change in the levels of pre-mRNA. The second class, also represented by two complementation groups, shows an accumulation of the intron released after splicing. The third novel class, comprising one complementation group, accumulates both pre-mRNA and the released intron. All mutants isolated were recessive for the splicing phenotype. Only 2 of the 11 complementation groups, although recessive, were not temperature sensitive. This study, together with previous isolation of the prp(rna)2-prp(rna)11 groups and the spliceosomal snRNAs, puts at least 26 gene products involved directly or indirectly in pre-mRNA splicing.

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Metadata

Authors
Vijayraghavan, U., Company, M., & Abelson, J.
Venue
Genes & Development
Published
1989-08
Volume
3
Issue
8
Pages
1206-1216
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2151321483
Cited by
331
References
35
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Isolation and characterization of pre-mRNA splicing mutants of Saccharomyces cerevisiae. https://app.cochat.ai/papers/10.1101/gad.3.8.1206
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Vijayraghavan, U., Company, M., & Abelson, J. (1989). Isolation and characterization of pre-mRNA splicing mutants of Saccharomyces cerevisiae. Genes & Development. https://doi.org/10.1101/gad.3.8.1206

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