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. 1976 Feb;125(2):404–408. doi: 10.1128/jb.125.2.404-408.1976

Role and regulation of the ortho and meta pathways of catechol metabolism in pseudomonads metabolizing naphthalene and salicylate.

E A Barnsley
PMCID: PMC236096  PMID: 1245462

Abstract

The enzymes of naphthalene metabolism are induced in Pseudomonas putida ATCC 17484, PpG7, NCIB 9816, and PG and in Pseudomonas sp. ATCC 17483 during growth on naphthalene or salicylate; 2-aminobenzoate is a gratuitous inducer of these enzymes. The meta-pathway enzymes of catechol metabolism are induced in ATCC 17483 and PPG7 during growth on naphthalene or salicylate or during growth in the presence of 2-aminobenzoate, but in ATCC 17484 and NCIB 9816 the ortho-pathway enzymes of catechol metabolism are induced during growth on naphthalene or salicylate. 2-Aminobenzoate does not induce any enzymes of catechol metabolism in the latter two organisms. In Pseudomonas PG the meta-pathway enzymes are present at high levels under all conditions of growth, but this organism and PpG7 can induce ortho-pathway enzymes during naphthalene or salicylate metabolism. Salicylate appears to be the inducer of the enzymes of naphthalene metabolism in all of the organisms studied and, where they are inducible, of the meta-pathway enzymes, but the properties of Pseudomonas PG suggest that separate, regulatory systems may exist.

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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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