Characterization of amber and ochre suppressors in Salmonella typhimurium.

  title={Characterization of amber and ochre suppressors in Salmonella typhimurium.},
  author={Fred Winston and David Botstein and J. H. Miller},
  journal={Journal of bacteriology},
  volume={137 1},
Amber and ochre suppressor mutations in Salmonella typhimurium were selected. The amino acid insertions directed by the suppressors were inferred from suppression patterns of Escherichia coli lacI amber mutations. These amber mutations only respond to nonsense suppressors that direct the insertion of particular amino acids. Four Salmonella amber suppressors characterized insert serine, glutamine, tyrosine, and (probably) leucine. Of the three ochre suppressors characterized, two direct the… CONTINUE READING


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