Enzymes Involved in Anaerobic Naphthalene Degradation
Author Information
Author(s): Kong Yachao, Riebe Jan, Feßner Malte, Schaller Torsten, Wölper Christoph, Stappert Florian, Meckelmann Sven W., Krajnc Matthias, Weyrauch Philip, Schmitz Oliver J., Merten Christian, Niemeyer Jochen, Hu Xiaoke, Meckenstock Rainer U.
Primary Institution: Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences
Hypothesis
The thn gene cluster is involved in the anaerobic degradation of naphthalene.
Conclusion
This study identifies key enzymes in the anaerobic degradation of naphthalene and modifies the understanding of the metabolic pathway involved.
Supporting Evidence
- The study identified two acyl-CoA dehydrogenases and a CoA-transferase involved in naphthalene degradation.
- Enzyme assays confirmed the activity of ThnO and ThnP in the metabolic pathway.
- ThnO showed higher activity compared to ThnT in converting substrates.
Takeaway
Scientists found important enzymes that help break down a harmful chemical called naphthalene without oxygen, which is important for cleaning up pollution.
Methodology
The study involved cloning, expressing, and purifying candidate genes for enzyme reactions in E. coli, followed by enzyme activity assays.
Limitations
The study does not explore the full range of potential substrates or the complete metabolic pathway.
Digital Object Identifier (DOI)
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