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. 1981 Feb;41(2):442-8.
doi: 10.1128/aem.41.2.442-448.1981.

Catabolism of substituted benzoic acids by streptomyces species

J B Sutherland  1 , D L Crawford, A L Pometto
Affiliations

Catabolism of substituted benzoic acids by streptomyces species

J B Sutherland et al. Appl Environ Microbiol. 1981 Feb.

Abstract

Four thermotolerant actinomycetes from soil, identified as Streptomyces albulus 321, Streptomyces sioyaensis P5, Streptomyces viridosporus T7A, and Streptomyces sp. V7, were grown at 45 degrees C in media containing either benzoic acid or hydroxyl- and methoxyl-substituted benzoic acids as the principal carbon sources. Benzoic acid was converted to catechol; p-hydroxybenzoic, vanillic, and veratric acids were converted to protocatechuic acid; and m-hydroxybenzoic acid was converted to gentisic acid. Catechol, protocatechuic acid, and gentisic acid were cleaved by catechol 1,2-dioxygenase, protocatechuate 3,4-dioxygenase, and gentisate 1,2-dioxygenase, respectively. Dioxygenases appeared only in induced cultures. m-Hydroxybenzoic, m-anisic, and p-anisic acids were gratuitous inducers of dioxygenases in some strains. One strain converted vanillic acid to guaiacol.

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