alexa Role of cyanobacteria in the biodegradation of crude oil by a tropical cyanobacterial mat.
Chemistry

Chemistry

Journal of Physical Chemistry & Biophysics

Author(s): Chaillan F, Gugger M, Saliot A, Cout A, Oudot J

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Abstract Cyanobacterial mats are ubiquitous in tropical petroleum-polluted environments. They form a high biodiversity microbial consortium that contains efficient hydrocarbons degraders. A cyanobacterial mat collected from a petroleum-contaminated environment located in Indonesia was studied for its biodegradation potential. In the field, the natural mat was shown to degrade efficiently the crude oil present in the environment. This natural mat demonstrated also a strong activity of degradation on model crude oil under laboratory conditions. In axenic cultures, the monospecific cyanobacterium Phormidium animale that constitute the bulk of the biomass did not exhibit any degradative capacity on hydrocarbons in the range of C13-C35 carbon atom number either in autotrophic or heterotrophic conditions. It was concluded that this cyanobacterial strain living on a heavily contaminated site had no direct effect on biodegradation of crude oil, the degradation activity being exclusively achieved by the other microorganisms present in the microbial consortium of the mat. This article was published in Chemosphere and referenced in Journal of Physical Chemistry & Biophysics

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