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Appl Environ Microbiol. Feb 1990; 56(2): 569–571.
PMCID: PMC183381

Biotransformation of substituted benzoates to the corresponding cis-diols by an engineered strain of Pseudomonas oleovorans producing the TOL plasmid-specified enzyme toluate-1,2-dioxygenase.


The conversion of substituted benzoates into 1,2-cis-dihydroxycyclohexa-3,5-diene carboxylic acids (cis-diols) was effected by using Escherichia coli and Pseudomonas recombinants carrying the xylXYZ genes originating from the Pseudomonas putida mt-2 TOL plasmid, thus producing toluate-1,2-dioxygenase. Pseudomonas oleovorans GPo12 recombinants readily produced meta- and para-substituted cis-diols, but were limited in their oxidation of ortho-substituted substrates.

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