A Pseudomonas strain capable of utilizing 1, 6- and 2, 6-naphthalenedisulfonic acid as sole sources of carbon was isolated from soil. Sulfonate was released from 1, 6- and 2, 6-naphthalenedisulfonic acid into the culture medium. When the cells were incubated with 1, 6- or 2, 6-naphthalenedisulfonic acid in the incubation medium containing m-sulfobenzoic acid as a metabolic inhibitor, 5-sulfosalicylic acid was accumulated in the medium. The bacterium degraded 5-sulfosalicylic acid and gentisic acid. These results suggest that the bacterium assimilates 1, 6- and 2, 6-naphthalenedisulfonic acid via 5-sulfosalicylic acid.
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Ohe et al. (1988) studied this question.