Changes in protein synthesis as a consequence of heme depletion in Escherichia coli.

Abstract excerpt

Two-dimensional gel electrophoresis and N-terminal amino acid sequence determination were used to compare the protein synthesis of exponentially growing Escherichia coli with heme-deficient cells. Mutation of the E. coli hemA gene encoding glutamyl-tRNA reductase resulted in the absence of detectable amounts of heme. As a consequence of heme deficiency, the induction of tryptophanase (trpA), citrate synthase...

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