Biodegradation of atrazine by Arthrobacter sp C3, isolated from the herbicide-contaminated corn field | |
Wang, H.1; Liu, Y.1,2; Li, J.1,2; Lin, M.1; Hu, X.1 | |
发表期刊 | INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY |
ISSN | 1735-1472 |
2016 | |
卷号 | 13期号:1页码:257-262 |
关键词 | Atrazine Biodegradation Arthrobacter Hydroxyatrazine |
DOI | 10.1007/s13762-015-0860-8 |
英文摘要 | The s-triazine herbicide, atrazine, has been well acknowledged as an important source causing contamination of soil, water, and sediment. Functional bacteria are one of the critical candidates for removing residual atrazine from contaminated environments. Here, seven bacterial strains showing atrazine-degrading ability were isolated from long-term atrazine-contaminated corn field and identified based on 16S rRNA gene sequencing. Among these bacterial isolates, a bacterium, later designated as Arthrobacter sp. C3, was found to be capable of completely degrading 25 mg/l atrazine. The high-performance liquid chromatography-mass spectrometry (HPLC-MS) analysis indicated that the atrazine was dechlorinated to hydroxyatrazine, a non-phytotoxic compound. The functional gene, trzN, which participates in the first step of atrazine degradation was successfully amplified and showed high similarity to the known trzN genes from different bacterial genera. Based on the HPLC-MS and the functional gene analysis, the functional bacterium C3 was speculated to degrade atrazine via dechlorination, which detoxified the herbicide. This study suggested a great potential of Arthrobacter sp. C3 to be used in indigenous bioremediation of atrazine in field. |
文章类型 | Article |
资助机构 | Chinese Academy of Sciences(1191100502 ; National Natural Science Foundation of China(41376138) ; Science and Technology Program of Shandong Province(2013GHY11534) ; KZZD-EW-14) |
收录类别 | SCI |
语种 | 英语 |
关键词[WOS] | AURESCENS TC1 ; AGRICULTURAL SOILS ; STRAIN ; MINERALIZATION ; BIOREMEDIATION ; COMMUNITIES ; MICROCOSM ; SEQUENCE ; TRZN |
研究领域[WOS] | Environmental Sciences & Ecology |
WOS记录号 | WOS:000367457000025 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.yic.ac.cn/handle/133337/9306 |
专题 | 海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室 |
作者单位 | 1.Chinese Acad Sci, Yantai Inst Costal Zone Res, Yantai 264003, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, H.,Liu, Y.,Li, J.,et al. Biodegradation of atrazine by Arthrobacter sp C3, isolated from the herbicide-contaminated corn field[J]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY,2016,13(1):257-262. |
APA | Wang, H.,Liu, Y.,Li, J.,Lin, M.,&Hu, X..(2016).Biodegradation of atrazine by Arthrobacter sp C3, isolated from the herbicide-contaminated corn field.INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY,13(1),257-262. |
MLA | Wang, H.,et al."Biodegradation of atrazine by Arthrobacter sp C3, isolated from the herbicide-contaminated corn field".INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY 13.1(2016):257-262. |
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