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. 1970 Jul;103(1):16–19. doi: 10.1128/jb.103.1.16-19.1970

Regulation of Aromatic Amino Acid Biosynthesis in Phenazine-Producing Strains of Pseudomonas

Mark E Levitch 1
PMCID: PMC248032  PMID: 5423368

Abstract

Regulation of 3-deoxy-d-arabino-heptulosonate-7-phosphate (DAHP) synthetase was studied in eight strains of Pseudomonas which synthesize phenazine compounds. Repression studies with individual aromatic amino acids led to the finding that enzyme synthesis was repressed in only one strain, P. aureofaciens B1543p, and by only one amino acid, l-tyrosine. Feedback inhibition by the aromatic amino acids varied from strain to strain in terms of the type of inhibitory control, and the particular acid or acids which inhibited. Prephenate and chorismate, as well as a number of naturally occurring phenazine compounds, inhibited the DAHP synthetase activity to varying degrees.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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