The suppressor gene scl1+ of Saccharomyces cerevisiae is essential for growth

Elisabetta Baizi, Weining Chen, Etienne Capieaux, John H. McCusker, James E. Haber, André Goffeau*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

In Saccharomyces cerevisiae, the SCLl-1 mutation is a dominant suppressor of the cycloheximide-resistant, temperature-sensitive (ts) lethal mutation, crl3 [McCusker and Haber, Genetics 119 (1988a) 303-315]. The wild-type scl1+ gene was isolated by screening subclones of the 35-kb region between TRP5 and LEU1 for restoration of the ts phenotype in an SCLl-l crl3-2 strain. The sell + mRNA is about 900 nt long and encodes an open reading frame of 810 bp. The polypeptide deduced from sell + possesses a putative secretory signal peptide. The 5'-noncoding region may be under multiple controls, since it contains significant homology to the consensus sequences for the DNA-binding proteins, GCN4, GFI and, possibly, TUF. Gene disruption of sell + demonstrates that it is an essential gene.

Original languageEnglish
Pages (from-to)271-279
Number of pages9
JournalGene
Volume83
Issue number2
DOIs
Publication statusPublished - Nov 30 1989
Externally publishedYes

ASJC Scopus Subject Areas

  • Genetics

Keywords

  • cycloheximide resistance
  • Recombinant DNA
  • secretory signal peptide
  • temperature lethality
  • transcription regulation

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