Conceivable Bioremediation Techniques Based on Quorum Sensing

Abstract:

Quorum sensing(QS) is a mechanism of microbes to coordinate their activities, which allows them to function as multi-cellular systems. Recently, many researches have proved that the engineered QS system have a wide range of applications such as bioremediation of oil and heavy metal contaminated soils, and prevention of biofouling. Here we review the function of QS signals produced by bacteria, and the principle of enhancing degradative capacities of microbe. Specifically, we describe how QS system regulate the formation and dispersion of biofilms, which are reversible process that biofilms may be generated and removed as desired. The development of strategies to disrupt and manipulate QS are also implicated. Cells can be engineered to secrete QS signals to affect the behavior of neighboring cells in a consortium via engineered cellular communication. The complete genetic basis of QS may be used to control these communities of associated cells for bioremediation applications.

• Periodical: Applied Mechanics and Materials (Volumes 295-298)
• Pages: 39-44
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.295-298.39
• Online since: February 2013
• Authors: Nan Qing Liao, Hao Ming Li
• Keywords: Biofilm, Bioremediation, Quorum Sensing

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