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das Mutation in bacteriophage T4D does not suppress an amber mutation in T4 gene 59.

Authors
  • J S Wiberg
  • R S Swanson
Publication Date
Nov 01, 1975
Source
PMC
Keywords
License
Unknown

Abstract

Mutations termed das were isolated originally (Hercules and Wiberg, 1971) as partial suppressors of mutants in phage T4 genes 46 and 47. Since mutants in genes 46, 47, and 59 exhibit both an early arrest of phage DNA synthesis and the loss of this arrest in the presence of chloramphenicol or of mutations of T4 genes 33 and 55, we asked whether a das mutation can also suppress a gene 59 mutant. We find that it cannot--either at the level of phage production or DNA synthesis.

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