NDLI: Biodegradation of dimethyl terephthalate by Pasteurella multocida Sa follows an alternative biochemical pathway

Content Provider	Springer Nature Link
Author	Li, Jiaxi Gu, Ji Dong
Copyright Year	2006
Abstract	Pasteurella multocida Sa, a bacterial strain isolated from mangrove sediment by enrichment technique, was capable of transforming dimethyl terephthalate (DMT). Biodegradation of DMT was shown to take place as a series of sequential steps involving the hydrolysis of two ester linkages between the carboxyl groups of the terephthalate and the methyl side-chain initially to produce mono-methyl terephthalate (MMT) and then terephthalic acid (TA), respectively. However, with ethanol as the carrying solvent, there was a formation of one metabolite previously not observed. The two metabolites were characterized by high performance-liquid chromatography-electron ionization mass spectrometry as MMT and mono-ethyl terephthalate (MET), suggesting the existence of an alternative biochemical pathway in the degradation of DMT by P. multocida Sa. Since the presence of MMT and ethanol in culture inoculated with P. multocida Sa was prerequisites for the formation of MET, biologically mediated trans-esterification was proposed as a mechanism for the novel biochemical process observed.
Starting Page	391
Ending Page	397
Page Count	7
File Format	PDF
ISSN	09639292
Journal	Ecotoxicology
Volume Number	15
Issue Number	4
e-ISSN	15733017
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2006-05-05
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dimethyl terephthalate Biodegradation Esterase Plasticiser Trans-esterification Monitoring/Environmental Analysis/Environmental Ecotoxicology Environmental Management Environment Ecology
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Medicine Toxicology Management, Monitoring, Policy and Law

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