Identification of a phage-coded DNA-binding protein that regulates transcription from late promoters in bacteriophage P4.

Abstract excerpt

The genetic element P4 can propagate as a temperate phage or as a multicopy plasmid in its host Escherichia coli. Late in the lytic cycle and in the plasmid condition, transcription of the P4 essential genes depends on the activation of the late promoters P(LL) and P(sid), which control the transcription of the left and right operons, respectively. Both P4 late promoters are positively regulated by the product of...

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