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Amber mutants of bacteriophage T4D: their isolation and genetic characterization. 2012

Richard H Epstein, and Antoinette Bolle, and Charles M Steinberg, and Franklin W Stahl
Laboratory of Biophysics, University of Geneva, CH-1211 Geneva 4, Switzerland

We have isolated a large number of mutants of bacteriophage T4D that are unable to form plaques on strain B of Escherichia coli, but are able to grow (nearly) normally on some other strains of E. coli, in particular strain CR63. These mutants, designated amber (am), have been characterized by complementation tests, by genetic crosses, and by their response to chemical mutagens. It is concluded that a particular subclass of base substitution mutations may give rise to amber mutants and that such mutants occur in many genes, which are widely distributed over the T4 genome.

UI MeSH Term Description Entries
D017122 Bacteriophage T4 Virulent bacteriophage and type species of the genus T4-like phages, in the family MYOVIRIDAE. It infects E. coli and is the best known of the T-even phages. Its virion contains linear double-stranded DNA, terminally redundant and circularly permuted. Bacteriophage T2,Coliphage T2,Coliphage T4,Enterobacteria phage T2,Enterobacteria phage T4,Phage T2,Phage T4,T2 Phage,T4 Phage,Phage, T2,Phage, T4,Phages, T2,Phages, T4,T2 Phages,T2, Enterobacteria phage,T4 Phages
D018389 Codon, Nonsense An amino acid-specifying codon that has been converted to a stop codon (CODON, TERMINATOR) by mutation. Its occurance is abnormal causing premature termination of protein translation and results in production of truncated and non-functional proteins. A nonsense mutation is one that converts an amino acid-specific codon to a stop codon. Codon, Termination, Premature,Codon, Unassigned,Mutation, Nonsense,Nonsense Codon,Nonsense Mutation,Premature Stop Codon,Unassigned Codon,Amber Nonsense Codon,Amber Nonsense Mutation,Nonsense Codon, Amber,Ochre Nonsense Codon,Ochre Nonsense Mutation,Opal Nonsense Codon,Opal Nonsense Mutation,Premature Termination Codon,Amber Nonsense Codons,Amber Nonsense Mutations,Codon, Amber Nonsense,Codon, Ochre Nonsense,Codon, Opal Nonsense,Codon, Premature Stop,Codon, Premature Termination,Codons, Amber Nonsense,Codons, Nonsense,Codons, Ochre Nonsense,Codons, Opal Nonsense,Codons, Premature Stop,Codons, Premature Termination,Codons, Unassigned,Mutation, Amber Nonsense,Mutation, Ochre Nonsense,Mutation, Opal Nonsense,Mutations, Amber Nonsense,Mutations, Nonsense,Mutations, Ochre Nonsense,Mutations, Opal Nonsense,Nonsense Codon, Ochre,Nonsense Codon, Opal,Nonsense Codons,Nonsense Codons, Amber,Nonsense Codons, Ochre,Nonsense Codons, Opal,Nonsense Mutation, Amber,Nonsense Mutation, Ochre,Nonsense Mutation, Opal,Nonsense Mutations,Nonsense Mutations, Amber,Nonsense Mutations, Ochre,Nonsense Mutations, Opal,Ochre Nonsense Codons,Ochre Nonsense Mutations,Opal Nonsense Codons,Opal Nonsense Mutations,Premature Stop Codons,Premature Termination Codons,Stop Codon, Premature,Stop Codons, Premature,Termination Codon, Premature,Termination Codons, Premature,Unassigned Codons

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