NDLI: Biodegradation of atrazine and bioremediation of atrazine- contaminated soil by two groups of mixed bacteria and bacterial consortium

Content Provider	IEEE Xplore Digital Library
Author	Jincheng Yao Qiaoyun Guo Shumin Niu Baoli Cai
Copyright Year	2011
Description	Author affiliation: Department of Microbiology, Nankai University, Tianjin, China 300071 (Jincheng Yao; Qiaoyun Guo; Shumin Niu; Baoli Cai)
Abstract	Atrazine is an s-triazine herbicide that has been used widely over 50 years. This has resulted in the contamination of surface water, groundwater and soil. For the bioremediation of atrazine-contaminated environments, we investigated the biodegradation of atrazine and bioremediation of atrazine-contaminated soil by two groups of mixed bacteria (Pseudomonas sp. ADP and Arthrobacter aurescens TC1; Arthrobacter sp. AD30 and Pseudomonas sp. AD39) and a bacterial consortium. The biodegradation experiments indicated that after the minimal medium containing 300 mg/L atrazine as nitrogen source and 3000 mg/L sucrose as carbon source were inoculated with the above-mentioned two groups of mixed bacteria and bacterial consortium and incubated at 30°C with shaking for 48 h, atrazine were removed by 80% (ADP+TC1), 97% (AD30+AD39), and 96% (bacterial consortium), respectively. The bacterial consortium and the mixed bacteria containing Arthrobacter sp. AD30 and Pseudomonas sp. AD39 exhibited higher atrazine biodegradation activities. A bioremediation trial of atrazine-contaminated soil by the bacterial consortium and mixed bacteria containing AD30 and AD39 have indicated that after incubating for 15 d at 30°C atrazine contained in soil (100 mg/kg) were completely removed. These results indicated that the bacterial consortium and the mixed bacteria containing AD30 and AD39 are good candidates for use in bioremediation of atrazine-contaminated soil.
Starting Page	4845
Ending Page	4848
File Size	474445
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965397
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biodegradation Degradation Microorganisms Arthrobacter sp. AD30 Soil Consortium Genetics Bioremediation Pseudomonas sp. AD39 Finite element methods Strain Atrazine
Content Type	Text
Resource Type	Article

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