Summary
3-Chlorobenzoate grown cells ofPseudomonas strain B 13 readily co-oxidize 3-methylbenzoate yielding 82% (+)-2,5-dihydro-4-methyl- and 9% (+)-2,5-dihydro-2-methyl-5-oxo-furan-2-acetic acid (compounds I and II, X=CH3). The concentration of the products in the culture fluid exceed 11 g per liter without affecting the activity of the cells. The products were formed in 89% and 93% yield when 3- or 4-methylcatechol is cometabolized correspondingly. The lactonization of methyl- and halomuconic acids is discussed with regard to the mechanism of halide elimination during utilization of chlorosubstituted aromatic compounds.
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Knackmuss, H.J., Hellwig, M., Lackner, H. et al. Cometabolism of 3-methylbenzoate and methylcatechols by a 3-chlorobenzoate utilizingPseudomonas: Accumulation of (+)-2,5-dihydro-4-methyl-and (+)-2,5-dihydro-2-methyl-5-oxo-furan-2-acetic acid. European J. Appl Microbiol. 2, 267–276 (1976). https://doi.org/10.1007/BF01278610
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DOI: https://doi.org/10.1007/BF01278610