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Accession number: 20150200409196
Title: Review on the biodegradation and conversion mechanisms of typical polycyclic aromatic hydrocarbons
Authors: Jiang, Yan1 ; Yang, Ying1; Zhang, Xianming1
Author affiliation: 1 Engineering Research Center for Waste Oil Recovery Technology and Equipment of Ministry of Education, Chongqing Technology and Business University, Chongqing , China
Corresponding author: Jiang, Yan
Source title: Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section)
Abbreviated source title: Shiyou Xuebao Shiyou Jiagong
Volume: 30
Issue: 6
Issue date: December 25, 2014
Publication year: 2014
Pages: 1137-1150
Language: Chinese
ISSN: 10018719
CODEN: SXSHEY
Document type: Journal article (JA)
Publisher: Science Press
Abstract: Polycyclic aromatic hydrocarbons(PAHs), a class of crucially persistent pollutants with two or more fused benzene rings, have attracted growing concern due to their carcinogenic, teratogenic and mutagenic effects. The biodegradation progress of typical PAHs with different molecular masses by microorganisms including bacteria, fungi and algae isolated from contaminated soil or sediments is reviewed. The biotransformation mechanisms, key enzymes and metabolic pathways of four representative pollutants of naphthalene, anthracene, phenanthrene and benzo[a]pyrene were discussed. Still, the crucial impacting factors, such as bioavailability of PAHs, microbial activity and environmental factors, to increase biodegradation rate are introduced. Finally, it is advanced that studies on a high-effective microbial consortium and synergetic degradation will be considered as the important means aiming at the diversity of PAHs in the environment, which can effectively avoid the contingency and randomness in the development of PAH-degrading microbes as main direction, and is niche targeting and effective to improve the utilization of available resources.
Number of references: 69
Main heading: Polycyclic aromatic hydrocarbons
Controlled terms: Anthracene - Aromatic compounds - Aromatic hydrocarbons - Bacteria - Biochemistry - Biodegradation - Degradation - Hydrocarbons - Metabolism -Microbiology - Microorganisms - Naphthalene - Pollution - Soil pollution
Uncontrolled terms: Co metabolisms - Degradation mechanism - High-efficiency - Impacting factor - PAHs
Classification code: 454.2 Environmental Impact and Protection - 801.2 Biochemistry - 802.2 Chemical Reactions - 804.1 Organic Compounds
DOI: 10.3969/j.issn.1001-8719.2014.06.026
Database: Compendex
Compilation and indexing terms, © 2016 Elsevier Inc.

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