Alkane Degradation by Nitrate-Reducing Bacteria
Author Information
Author(s): Zedelius Johannes, Rabus Ralf, Grundmann Olav, Werner Insa, Brodkorb Danny, Schreiber Frank, Ehrenreich Petra, Behrends Astrid, Wilkes Heinz, Kube Michael, Reinhardt Richard, Widdel Friedrich
Primary Institution: Max-Planck-Institut für Marine Mikrobiologie
Hypothesis
Can nitrate-reducing bacteria activate alkanes under anoxic conditions?
Conclusion
The study suggests that strain HdN1 requires a nitrogen compound other than N2O for alkane activation.
Supporting Evidence
- Strain HdN1 can utilize alkanes from C6 to C30.
- Strain HdN1 does not grow with N2O but can grow with NO3− or NO2−.
- The study suggests a unique mechanism for alkane activation in strain HdN1.
Takeaway
Some bacteria can break down oil even without oxygen, using other chemicals instead. This study found that one type of bacteria needs a special nitrogen compound to do this.
Methodology
The study involved isolating three denitrifying strains and comparing their ability to oxidize alkanes under anoxic conditions.
Limitations
The study did not explore the exact biochemical mechanisms of alkane activation in detail.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website