ION OF PETROLEUM HYDROCARBONS 181 in the light (mixotrophic growth), but were unable to utilize this alkane in the dark (191). The major product formed by Agmenellum and Oscillatoria species was 1-naphthol (61). These organisms also formed cis-1,2-dihydroxy-1,2dihydronaphthalene and 4-hydroxy-1-tetralene (68). These results suggest that cyanobacteria have a variety of mechanisms for initiating the oxidation of naphthalene. The Oscillatoria species also has been found to oxidize biphenyl, indicating that a wider range of aromatic hydro
The devastating environmental impacts of the Exxon Valdez spill in 1989 and its media notoriety made it a frequent comparison to the BP Deepwater Horizon spill in the popular press in 2010, even though the nature of the two spills and the environments impacted were vastly different. Fortunately, unlike higher organisms that are adversely impacted by oil spills, microorganisms are able to consume petroleum hydrocarbons. These oil degrading indigenous microorganisms played a significant role in reducing the overall environmental impact of both the Exxon Valdez and BP Deepwater Horizon oil spills.
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