Role of translation of the pheA leader peptide coding region in attenuation regulation of the Escherichia coli pheA gene.

Abstract excerpt

In Escherichia coli, the expression of the pheA gene is regulated by attenuation of transcription. To study the molecular details of pheA attenuation, we introduced mutations in the pheA leader peptide coding region and analyzed their effects by using pheA promoter-lacZ gene transcription fusions (pheAp-lacZ). Mutations in the ribosome-binding site (pheAe1213) or in the translation initiation codon (pheAe24) of...

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