Aerobic bacterial degradation of polycyclic aromatic hydrocarbons (PAHs) and its kinetic aspects

被引：46
|
作者：
Baboshin, M. A. [1 ]
Golovleva, L. A. [1 ]
机构：
[1] Russian Acad Sci, Skryabin Inst Biochem & Physiol Microorganisms, Pushchino 142290, Moscow Oblast, Russia
来源：
MICROBIOLOGY | 2012年 / 81卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
PAH; biodegradation; bioavailability; dioxygenases; kinetics; specificity; inhibition; microbial communities; MULTISUBSTRATE BIODEGRADATION KINETICS; HYDROPHOBIC ORGANIC CONTAMINANTS; RING-HYDROXYLATING DIOXYGENASE; MOLECULAR-WEIGHT; BIOCHEMICAL-CHARACTERIZATION; NAPHTHALENE DIOXYGENASE; SUBSTRATE AVAILABILITY; ANAEROBIC DEGRADATION; CLASSIFICATION-SYSTEM; OXYGENASE COMPONENTS;
D O I：
10.1134/S0026261712060021
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Aerobic bacterial degradation of PAHs is reviewed. Particular attention is paid to its kinetic aspects (rate and specificity). The general concepts of PAH biodegradation in nature and the role of aerobic bacteria in this process are described. The problem of PAH bioavailability and the mechanism of PAH penetration through bacterial cell wall are discussed. The key role of the reaction of PAH hydroxylation in controlling the rate and specificity of PAH biodegradation process is substantiated. The effects of competitive inhibition, intermediate inhibition, cross induction, and cometabolism are considered. The importance of microbial communities for PAH biodegradation in natural ecosystems is shown. The review contains the list of 138 references.
引用
收藏
页码：639 / 650
页数：12
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