Molecular biology approaches for understanding microbial polycyclic aromatic hydrocarbons (PAHs) degradation
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    Abstract:

    The known or suspected hazards of polycyclic aromatic hydrocarbons (PAHs) have provoked enormous concentration and endeavours to relieve or eliminate these precarious compounds from miscellaneous environments including soil, water and air. Among various interventions, biodegradation is an appealing approach for its comparative high efficiency and preferable safety. Microorganisms played crucial role in biodegradation of PAHs. Traditional access mainly including culture-dependent procedures has discovered and isolated PAHs-degrading microorganisms which could be subsequently applied to specific contaminated locus. Although certain progress has been achieved owing to traditional methods, much details in PAHs bioremedation leave pending because of the complexity nature of this process. As the rapid development of biology, molecular techniques such as PCR, fingerprinting technique (mainly DGGE), DNA hybridization technique and gene reporters technique have been intensively applied to gain further insight into the mechanism of PAHs degradation. These techniques not only proved the existence and role of uncultivable microorganisms in the whole population of PAHs degrading related microbials, but also made it possible to revealed the otherwise undetectable complex relationships between multi-microorganism concerned in PAHs biodegradation. Application of such techniques in the field of PAHs biodegradation were reviewed in this article.

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Shi Zhenping, Tian Li, Zhang Yuangang. Molecular biology approaches for understanding microbial polycyclic aromatic hydrocarbons (PAHs) degradation[J]. stxben,2010,30(5):292~295

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