生物修复
污染物
环境化学
异型生物质的
危险废物
微生物降解
化学
代谢途径
生化工程
环境科学
微生物
生物
污染
细菌
生态学
酶
工程类
生物化学
遗传学
作者
Arfin Imam,Sunil Kumar Suman,Pankaj K. Kanaujia,Anjan Ray
标识
DOI:10.1016/j.biortech.2021.126121
摘要
Polycyclic aromatic hydrocarbons (PAHs) are hazardous environmental pollutants with widespread and well-recognized health concerns. Amidst more than a hundred known PAHs, 16 are categorized as priority pollutants. Use of widely diverse biological machinery comprising bacteria, fungi, and algae harnessed from contaminated sites has emerged as an ecologically safe and sustainable approach for PAH degradation. The potential of these biological systems has been thoroughly examined to maximize the degradation of specific PAHs by understanding their detailed biochemical pathways, enzymatic system, and gene organization. Recent advancements in microbial genetic engineering and metabolomics using modern analytical tools have facilitated the bioremediation of such xenobiotics. This review explores the role of microbes, their biochemical pathways, genetic regulation of metabolic pathways, and the effect of biosurfactants against the backdrop of PAH substrate structures.
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