alexa Biodegradation |Journal Of Petroleum And Environmental Biotechnology

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Biodegradation

Biodegradation is a microbially driven chemical transformation of organic compounds whereas microbial uptake is the direct removal of contaminants by adsorbing the compounds onto membrane surface or absorbing compounds through cell membrane. Many microbial species including fluorescent pseudomonads are reported to excrete a variety of totally or partially extracellular, amphipathic biosurfactant molecules that reduces surface tension and facilitates the uptake of hydrocarbons and can be employed for the biodegradation and removal of mobil oil hydrocarbons from contaminated soil. However, fluorescent pseudomonad (gram-negative, non-spore forming, motile, rod shaped and versatile bacteria) have been reported to promote plant growth in rhizosphere either directly by producing plant growth regulators and by increasing the plant uptake of some micro and macro elements from the rhizosphere or indirectly through biological control of pathogens or induction of host defense mechanisms. This Plant Growth Promoting Rhizobacteria (PGPR) contributes in lowering the abiotic stresses on plants and therefore considered to be an important tool for the phytoremediation technology.
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Last date updated on June, 2014

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