Journal of Food, Agriculture and Environment

Isolation and characterisation of PAH-biodegrading marine bacteria

Author(s):

Sulaiman Ali Alharbi ¹*, M. E. Zayed ¹, Arunachalam Chinnathambi ¹, Naiyf S. Alharbi ¹, Milton Wainwright ^{1, 2}

Recieved Date: 2014-02-07, Accepted Date: 2014-04-18

Abstract:

Polyaromatic hydrocarbons (PAH) are considered to be important and dangerous pollutant, which causes serious health problems and/or genetic defects in humans, as well as harming the flora and fauna of affected habitats. In this study, we are interested in determining if bacteria can be successfully used to bioremediate PAH pollution as an alternative to physical and chemical methods. The bacteria used in this study were isolated from three PAH- polluted sites of Mediterranean Sea, off Alexandria, Egypt. The study was devoted to the isolation of bacteria that can degrade three low molecular weight PAH sand to determine the effect of pH on this process. Nine phenanthrene-degrading, seven-naphthalene-degrading and eight anthracene-degrading bacteria were isolated by enrichment from the marine water sample. All of the isolates grew on the PAHs (phenanthrene, anthracene and naphthalene) at varying rates and utilised them as sole source of carbon and energy.

Keywords:

Polyaromatic hydrocarbons (PAH), biodegrading marine bacteria, environmental contamination, marine water

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Environment
Pages: 793-796

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