Derepression of bacteriophage mu transposition functions by truncated forms of the immunity repressor.

Abstract excerpt

To trigger bacteriophage Mu transposition and replication in response to physiological signals, its immunity repressor must be synchronously inactivated. Two repressor mutants (Vir), which have an altered C-terminal domain and are highly susceptible to degradation by ClpXP protease, confer a dominant negative phenotype by promoting degradation of the wild-type repressor. To search for other modified repressors...

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