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. 1986 Nov;52(5):1195–1202. doi: 10.1128/aem.52.5.1195-1202.1986

Bacterial communities degrading amino- and hydroxynaphthalene-2-sulfonates.

B Nörtemann, J Baumgarten, H G Rast, H J Knackmuss
PMCID: PMC239197  PMID: 3789715

Abstract

A 6-aminonaphthalene-2-sulfonic acid (6A2NS)-degrading mixed bacterial community was isolated from a sample of river Elbe water. The complete degradation of this xenobiotic compound may be described by a mutualistic interaction of two Pseudomonas strains isolated from this culture. One strain, BN6, could also grow on 6A2NS in monoculture, however, with accumulation of black polymers. This organism effected the initial conversion of 6A2NS into 5-aminosalicylate (5AS) through regioselective attack of the naphthalene skeleton in the 1,2-position. 5AS was totally degraded by another member of the community, strain BN9. After prolonged adaptation of strain BN6 to growth on 6A2NS, this organism readily converted all naphthalene-2-sulfonates with OH- or NH2-substituents in the 5-, 6-, 7-, or 8-position. The corresponding hydroxy- or aminosalicylates were excreted in stoichiometric amounts, with the exception that the metabolite from 5A2NS oxidation was not identical with 6AS.

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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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