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Biodegradation of Hydrophobic Polycyclic Aromatic Hydrocarbons

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Microbial Biosurfactants

Part of the book series: Environmental and Microbial Biotechnology ((EMB))

Abstract

Polycyclic aromatic hydrocarbons (PAHs) are hydrophobic, toxic, and carcinogenic compounds which comprise of high molecular weight (HMW) and low molecular weight (LMW) compounds and are classified based on different aromatic rings present. PAHs have been reported on its negative implications by the US Center for Children’s Environmental Health (CCEH) on consistent exposure to polluted environment among the pregnant woman such as premature child delivery and delayed in child development. In this review, biodegradation pathway of PAHs (naphthalene, fluoranthene, and pyrene) and its proceeding enzymes involved for effective degradation of PAHs are briefly discussed. However, the biodegradation efficiency is limited because the compounds are highly lipophilic and therefore very insoluble in an aqueous solution. The production of biosurfactants by microorganisms and its contribution to ongoing degradation of PAHs are properly discussed.

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All authors declare no conflict of interest.

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Correspondence to Zhilong Wang .

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© 2021 Springer Nature Singapore Pte Ltd.

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Ali, D.C., Wang, Z. (2021). Biodegradation of Hydrophobic Polycyclic Aromatic Hydrocarbons. In: Inamuddin, Ahamed, M.I., Prasad, R. (eds) Microbial Biosurfactants. Environmental and Microbial Biotechnology. Springer, Singapore. https://doi.org/10.1007/978-981-15-6607-3_6

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