Abstract

Analysis of spent naphthalene growth media ofPseudomonas fluorescens by GC-MS revealed the presence of salicylate. Gentisate 1,2-dioxygenase and pyrocatechol 1,2-dioxygenase were induced by growth on naphthalene, whereas only pyrocatechol 1,2-dioxygenase was induced during growth on salicylate. These results suggest the existence of alternative degradative routes of salicylate,via gentisate and pyrocatechol, which are involved in the catabolism of naphthalene.

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