BIODEGRADATION OF XENOBIOTICS: A REVIEW ON PETROLEUM HYDROCARBONS AND PESTICIDE DEGRADATION
V. Hamsavathani and Dr. O. S. Aysha*, Dr.S.Valli
ABSTRACT
One of the major environmental problems today is the accumulation of recalcitrant xenobiotics in the ecosphere. They are relatively stable and persist in the environment for several decades. Many methods such as physico-chemical and biological methods have been employed in the degradation of xenobiotics. Since physico-chemical methods are expensive, biological methods employing microorganisms are widely used. A better understanding of the mechanism of biodegradation has a high ecological significance that depends on the indigenous microorganisms to transform or mineralize the organic contaminants. The present review gives a brief discussion on the role of microorganisms in degradation of xenobiotics – petroleum hydrocarbons and pesticides.
Keywords: Xenobiotic degradation, petroleum hydrocarbons, pesticides, microorganisms.
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