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首页> 外文期刊>International Journal of Environmental Research and Public Health >Bacterial Degradation of Aromatic Compounds
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Bacterial Degradation of Aromatic Compounds

机译：芳香化合物的细菌降解

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摘要

Aromatic compounds are among the most prevalent and persistent pollutants in the environment. Petroleum-contaminated soil and sediment commonly contain a mixture of polycyclic aromatic hydrocarbons (PAHs) and heterocyclic aromatics. Aromatics derived from industrial activities often have functional groups such as alkyls, halogens and nitro groups. Biodegradation is a major mechanism of removal of organic pollutants from a contaminated site. This review focuses on bacterial degradation pathways of selected aromatic compounds. Catabolic pathways of naphthalene, fluorene, phenanthrene, fluoranthene, pyrene, and benzo[a]pyrene are described in detail. Bacterial catabolism of the heterocycles dibenzofuran, carbazole, dibenzothiophene, and dibenzodioxin is discussed. Bacterial catabolism of alkylated PAHs is summarized, followed by a brief discussion of proteomics and metabolomics as powerful tools for elucidation of biodegradation mechanisms.
机译：芳香族化合物是环境中最普遍和持久的污染物之一。受石油污染的土壤和沉积物通常包含多环芳烃（PAH）和杂环芳烃的混合物。来自工业活动的芳族化合物通常具有官能团，例如烷基，卤素和硝基。生物降解是从受污染场所去除有机污染物的主要机制。这篇评论集中在选定的芳香族化合物的细菌降解途径。详细描述了萘，芴，菲，荧蒽，pyr和苯并[a] py的分解代谢途径。讨论了杂环二苯并呋喃，咔唑，二苯并噻吩和二苯并二恶英的细菌分解代谢。总结了烷基化PAHs的细菌分解代谢，随后简要讨论了蛋白质组学和代谢组学作为阐明生物降解机制的有力工具。

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