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• 专论与综述 • 上一篇    下一篇

污染土壤中苯并(a)芘的微生物降解途径研究进展

臧淑艳1,2,3;李培军1;张英3;王娟3;许华夏1   

  1. 1中国科学院沈阳应用生态研究所, 沈阳 110016;2沈阳化工学院, 沈阳 110142;3中国科学院研究生院, 北京 100039
  • 收稿日期:2005-06-20 修回日期:2006-05-10 出版日期:2006-08-10 发布日期:2006-08-10

Research advances in microbial metabolic pathway of benzo[a]pyrene in contaminated soils

ZANG Shuyan1,2,3;LI Peijun1; ZHANG Ying2;WANG Juan2; XU Huaxia1   

  1. 1Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China; 2Shenyang Institute of Chemical Technology, Shenyang 110142, China;3Graduate University of Chinese Academy of Sciences, Beijing 100039, China

  • Received:2005-06-20 Revised:2006-05-10 Online:2006-08-10 Published:2006-08-10

摘要: 苯并(a)芘(BaP)是一种具有强致癌、致畸和致突变的多环芳烃(PAHs)。为了修复BaP污染的土壤,探索其降解途径是很重要的。为此,综述了国内外有关污染土壤中苯并(a)芘的微生物降解情况,对不同真菌、细菌降解苯并(a)芘的能力、代谢途径、共代谢底物以及环境影响因素进行了介绍和比较,提出了苯并(a)芘中间代谢产物的累积及其环境毒性方面的研究是修复苯并(a)芘污染土壤的重要方向。

关键词: 遥感, 地理信息系统, 土地利用, 动态监测

Abstract: Benzo[a]pyrene (BaP) is one of the polycyclic aromatic hydrocarbons (PAHs) with carcinogenesis, aberrance and mutagenesis. To remedy BaPcontaminated soil, it is of significance to study the microbial metabolic pathway of BaP-degradation. In this paper, several factors affecting the process of BaP-biodegradation were introduced, including the degradation ability of different bacterium and fungus, metabolic pathway, substrates of co-metabolism, and environmental parameters. It was suggested that the accumulation and toxicity of BaP’s intermediate metabolites in contaminated soils would be an important aspect in the study of BaP-contaminated soil remediation.

Key words: Remote sensing, GIS, Land use, Dynamic monitoring