PMID:1439823
| Citation |
Hendrix, RW and Duda, RL (1992) Bacteriophage lambda PaPa: not the mother of all lambda phages. Science 258:1145-8 |
|---|---|
| Abstract |
The common laboratory strain of bacteriophage lambda--lambda wild type or lambda PaPa--carries a frameshift mutation relative to Ur-lambda, the original isolate. The Ur-lambda virions have thin, jointed tail fibers that are absent from lambda wild type. Two novel proteins of Ur-lambda constitute the fibers: the product of stf, the gene that is disrupted in lambda wild type by the frameshift mutation, and the product of gene tfa, a protein that is implicated in facilitating tail fiber assembly. Relative to lambda wild type, Ur-lambda has expanded receptor specificity and adsorbs to Escherichia coli cells more rapidly. |
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| Keywords |
Adsorption; Amino Acid Sequence; Bacteriophage lambda/chemistry; Bacteriophage lambda/genetics; Bacteriophage lambda/physiology; Chromosome Mapping; Escherichia coli/genetics; Escherichia coli/physiology; Escherichia coli/radiation effects; Frameshift Mutation; Genes, Viral; Microscopy, Electron; Molecular Sequence Data; Molecular Weight; Ultraviolet Rays; Viral Tail Proteins/chemistry; Viral Tail Proteins/genetics |
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