Isolation and identification of bacteria from petroleum derivatives contaminated soil.

One of the aspects of bioremediation of petroleum derivatives contaminated soil using autochtonic microorganisms is isolation and identification of bacterial strains from polluted soil in order to choose the most active ones and to eliminate pathogens. In this research work some strains mainly from genus Pseudomonas, Acinetobacter, Micrococcus, Chryseomonas, Agrobacterium and Aeromonas were isolated from samples of soil contaminated with various petroleum derivatives. The population of bacteria capable to utilize hydrocarbons as the only source of carbon appeared as a tiny fraction (0.01-1.09%) of the total number of bacteria in the soil.