Bioaugmentation with Arthrobacter sp strain DAT1 for remediation of heavily atrazine-contaminated soil

被引：48
|
作者：
Wang, Qingfeng [1 ]
Xie, Shuguang [1 ]
Hu, Rui [1 ]
机构：
[1] Peking Univ, Minist Educ, Coll Environm Sci & Engn, Key Lab Water & Sediment Sci, Beijing 100871, Peoples R China
来源：
INTERNATIONAL BIODETERIORATION & BIODEGRADATION | 2013年 / 77卷
关键词：
Atrazine; Bioremediation; Biodegradation; Arthrobacter; Herbicide; Functional genes; DEGRADING MICROORGANISMS; CHLOROPHENOLICUS A6; COMMUNITY CHANGES; GENE TRZN; BIODEGRADATION; BIOREMEDIATION; DEGRADATION; BIOSTIMULATION; 4-CHLOROPHENOL; CHELATOBACTER;
D O I：
10.1016/j.ibiod.2012.11.003
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
A previously isolated atrazine-degrading bacterium, Arthrobacter sp. strain DAT1, was used to investigate its potential of remediating soil with heavy contamination. Change of atrazine-degrading genetic potential was estimated by quantitative PCR targeting trzN, atzB and atzC genes. Growth of the strain DAT1 was monitored using terminal restriction fragment length polymorphism (TRFLP) analysis. The results indicated that this bioremediation process could achieve a high removal rate in 2-3 days. Continuous increase in the number of trzN, atzB and atzC genes and the relative abundance of the strain DAT1 was observed during the bioaugmentation process. This work might provide some new insights toward bioremediation of heavily atrazine-contaminated soil. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：63 / 67
页数：5
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