Abstract
Acinetobacter sp. utilized the [ring-14C]dehydropolymer of coniferyl alcohol (DHP) (sp. act. 1.4 × 104 dpm/mg), 14C-labelled teakwood lignin (sp. act. 2.5 × 104 dpm/mg), guaiacolglyceryl ether, 2-methoxy-4-formylphenoxyacetic acid, p-benzyloxyphenol, dehydrodivanillyl alcohol, dehydrodiisoeugenol, veratrylglycerol-β-guaiacyl ether, conidendrin, black liquor lignin and indulin as sole carbon sources. The bacterium produced p-coumaric acid, p-hydroxybenzoic acid, vanillic acid, protocatechuic acid and catechol as intermediates from lignins. Acinetobacter sp. produced catechol 1,2-dioxygenase and protocatechuate 3,4-dioxygenase during the degradation of lignins.
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