Degradation of Trimethylbenzene Isomers by an Enrichment Culture under N(inf2)O-Reducing Conditions.

Applied and Environmental Microbiology
A HänerJ Zeyer

Abstract

A microbial culture enriched from a diesel fuel-contaminated aquifer was able to grow on 1,3,5-trimethylbenzene (1,3,5-TMB) and 1,2,4-TMB under N(inf2)O-reducing conditions, but it did not degrade 1,2,3-TMB. The oxidation of 1,3,5-TMB to CO(inf2) was coupled to the production of biomass and the reduction of N(inf2)O. N(inf2)O was used to avoid toxic effects caused by NO(inf2)(sup-) accumulation during growth with NO(inf3)(sup-) as the electron acceptor. In addition to 1,3,5-TMB and 1,2,4-TMB, the culture degraded toluene, m-xylene, p-xylene, 3-ethyltoluene, and 4-ethyltoluene.

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Citations

Aug 7, 1999·FEMS Microbiology Letters·R U Meckenstock
Dec 11, 2003·Microbiology and Molecular Biology Reviews : MMBR·Jonathan D Van HammeOwen P Ward
Feb 23, 2019·International Journal of Environmental Research and Public Health·Thomas FichtnerChristina Dornack
Jun 19, 2001·Current Opinion in Biotechnology·F Widdel, R Rabus
Jun 3, 2021·World Journal of Microbiology & Biotechnology·Amarjit Rajbongshi, Subrata Borgohain Gogoi
May 1, 1997·Applied and Environmental Microbiology·T P BregnardJ Zeyer

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