Author:
Pieper D H,Stadler-Fritzsche K,Knackmuss H,Timmis K N
Abstract
2,3-, 2,4-, 2,5-, 3,4-, and 3,5-dimethylphenols were cometabolized by 2,4-dichlorophenoxyacetate-grown Alcaligenes eutrophus JMP 134 or the constitutive derivative JMP 134-1 via the ortho pathway into dimethylmuconolactones as dead-end products. Formation of two distinct lactones from 3,4-dimethylphenol is indicative of 2- as well as 6-hydroxylation. Induction of the meta-cleavage pathway by 2,3- and 3,4-dimethylphenols resulted in growth and no accumulation of products. In contrast, 3,5-dimethylphenol is not metabolized by the meta-cleavage pathway.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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