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Functional analysis of the Erwinia herbicola tutB gene and its product

Takane Katayama1, Hideyuki Suzuki, Takashi Koyanagi

  • 1Applied Molecular Microbiology, Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan.

Journal of Bacteriology
|May 11, 2002
PubMed

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The trp operon in Escherichia coli exemplifies a repressible operon. It regulates the synthesis of tryptophan through repressor-mediated transcriptional control and attenuation. This dual regulatory mechanism ensures tryptophan biosynthesis occurs only when needed, conserving cellular resources.Structure of the trp OperonThe trp operon consists of five structural genes (trpE, trpD, trpC, trpB, and trpA) that encode enzymes for tryptophan biosynthesis. These genes are transcribed as a single...