Journal
WATER AND ENVIRONMENT JOURNAL
Volume 34, Issue -, Pages 561-572Publisher
WILEY
DOI: 10.1111/wej.12560
Keywords
Arthrobacter ureafaciens; biodegradation; s-triazine herbicide; simazine; soil enzyme
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Funding
- National Key Research and Development Plan of China [2016YFD0600204]
- China Postdoctoral Science Foundation [2017M611827]
- Priority Academic Programme Development of Jiangsu Higher Education Institutions
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A bacterium named XMJ-Z01 is screened from soil and identified asArthrobacter ureafaciens, which can efficiently degrade simazine. The strain XMJ-Z01 is highly resistant to simazine and can tolerate simazine at a level of not less than 2000 mg/L. The degradation efficiency of simazine (100 mg/L) in liquid medium by strain XMJ-Z01 can reach about 99.1% in 7 days. Adding a small amount of fresh soil during the degradation of simazine (in culture medium) by strain XMJ-Z01 can improve the degradation efficiency. The use of strain XMJ-Z01 in simazine-contaminated farmland will accelerate the degradation of simazine residues in the soil and reduce its leakage into the deep soil; in addition, it is also beneficial to reduce the adverse effects of simazine on soil enzyme. Therefore, it is considered that strain XMJ-Z01 can be used for bioremediation of simazine pollution in soil.
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