Translation of homologous and heterologous messenger RNAs in a yeast cell-free system

Iffat Hussain, Michael J Leibowitz

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A stable mRNA-dependent cell-free translation system from Saccharomyces cerevisiae, prepared by a modification of the method of Hofbauer et al. [Eur. J. Biochem. 122 (1982) 199-203] was active in translation of exogenous homologous and heterologous mRNAs. Optimal translational activity required the addition of polyamines and yeast tRNA. The m transcript of the M segment of double-stranded RNA, synthesized in vitro using the killer virus-associated RNA polymerase, directed the synthesis of preprotoxin polypeptide (M-p32), which was immunologically identified using antitoxin antibody. Sindbis virus capsid protein and rabbit globin were also translated from their mRNAs. Translation was inhibited by puromycin, sparsomycin and anisomycin. Analogues of the 5'-terminal caps present on most eukaryotic mRNA molecules inhibited translation of added mRNAs, including capped mRNAs and the uncapped killer virus mRNA.

Original languageEnglish (US)
Pages (from-to)13-23
Number of pages11
JournalGene
Volume46
Issue number1
DOIs
StatePublished - 1986
Externally publishedYes

Fingerprint

Cell-Free System
Yeasts
Messenger RNA
Sparsomycin
Anisomycin
Sindbis Virus
Viruses
Antitoxins
Puromycin
Globins
Double-Stranded RNA
Polyamines
Capsid Proteins
Protein Biosynthesis
DNA-Directed RNA Polymerases
Transfer RNA
Saccharomyces cerevisiae
Rabbits
Peptides
Antibodies

Keywords

  • cap analogues
  • double-stranded RNA
  • killer virus
  • preprotoxin
  • Protein synthesis
  • recombinant DNA
  • RNA polymerase
  • Saccharomyces cerevisiae

ASJC Scopus subject areas

  • Genetics

Cite this

Translation of homologous and heterologous messenger RNAs in a yeast cell-free system. / Hussain, Iffat; Leibowitz, Michael J.

In: Gene, Vol. 46, No. 1, 1986, p. 13-23.

Research output: Contribution to journalArticle

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