Enrichment, isolation and identification of hydrocarbon degrading bacteria.

Petroleum (crude) oil is complex mixture of many thousands of compounds. Petroleum hydrocarbons are the major constituents of crude oil (50-98%) and alkenes represent 20-50% of oil, depending on the source of the oil. Petroleum hydrocarbons can be degraded by microorganisms such as bacteria, fungi, yeast and microalgae. However, bacteria play an imperative role in hydrocarbon degradation. Microorganisms are endowed with metabolism machinery to use petroleum products as a carbon and energy source. The extent of biodegradation of hydrocarbons in contaminated sites is dependent on several factors such as molecular composition of the hydrocarbons, the type of microbial population, and optimal environmental conditions to stimulate the bioavability of the contaminants to microorganisms (Huesemann, 1995). International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706 Volume 4 Number 6 (2015) pp. 708-713 http://www.ijcmas.com

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