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At least 307 records · Page 17Linked to original sources
PubMed1976

Undermethylated transfer RNA does not support phage RNA-directed in vitro protein synthesis.

A cell-free protein synthesis system from Escherichia coli Q13 was depleted of mRNA and tRNA so that restoration of maximum activity was dependent of the addition of these components. Protein synthesis, directed by either MS2 or Qbeta phage RNA, was stimulated significantly by the addition of normal tRNA from either E. coli Q13 or B. In contrast, undermethylated tRNA from methionine-starved E. coli RCrel did not cause this stimulation. It is concluded that undermethylated tRNA Lacks sufficient base modifications to function in protein synthesis.

Coliphages↗
PubMed1983

Synthesis of phage-specific transfer RNA molecules by vibriophage phi 149.

32P-Labelled tRNA was isolated from uninfected and phage phi 149-infected Vibrio cholerae cells. These tRNA preparations were then hybridised with DNA isolated from phage phi 149. Significant hybridisation was observed only with tRNA from phage phi 149-infected cells. This strongly suggests that infection of classical vibrio with phage phi 149 results in the synthesis of phage-specific tRNA molecules.

Bacteriophages↗