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题名:
Oxytetracycline Toxicity and Its Effect on Phytoremediation by Sedum plumbizincicola and Medicago sativa in Metal-Contaminated Soil
作者: Ma, TT; Zhou, LQ; Chen, LK; Li, Z; Wu, LH; Christie, P; Luo, YM
刊名: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
ISSN号: 0021-8561
出版日期: 2016-10-26
卷号: 64, 期号:42, 页码:8045-8053
关键词: phytoextraction ; hyperaccumulator ; oxytetracycline ; biolog ; enzyme activity ; microbial activity
DOI: 10.1021/acs.jafc.6b02140
产权排序: [Ma, Tingting; Li, Zhu; Wu, Longhua; Christie, Peter; Luo, Yongming] Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Jiangsu, Peoples R China; [Ma, Tingting] Hubei Univ Arts & Sci, Inst Hanjiang, Xiangyang 441053, Peoples R China; [Zhou, Liqiang] Chongqing Solid Wastes Management Ctr, Chongqing 401147, Peoples R China; [Chen, Li'ke] Shanghai Res Inst Chem Ind, Shanghai 200062, Peoples R China; [Luo, Yongming] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China
通讯作者: Wu, LH (reprint author), Chinese Acad Sci, Inst Soil Sci, Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Jiangsu, Peoples R China. Email:lhwu@issas.ac.cn
作者部门: 中科院海岸带环境过程与生态修复重点实验室
英文摘要: Excessive use of antibiotics potentially threatens human health, agricultural production, and soil phytoremediation. This arouses concern over the potential adverse effects of a commonly used antibiotic, oxytetracycline (OTC), on plants used for soil remediation and possible stimulation of antibiotic resistance genes in soils. A greenhouse experiment was conducted to investigate different rates (0, 1, 5, and 25 mg kg(-1)) and frequencies (one single high and daily low application) of OTC addition to soil on phytoremediation of a heavy metal contaminated soil by Sedum plumbizincicola and/or Medicago sativa (alfalfa). After 90 days both Cd and Zn were substantially removed by phytoextraction into S. plumbizincicola shoots especially at the high OTC (25 mg kg(-1)) treatment which also led to inhibition of antioxidative enzyme activities in both plant species. Soil microbial activity decreased significantly with the addition of OTC, and this was ameliorated by planting alfalfa and S. plumbizincicola together. OTC at <5 mg kg(-1) increased the biomass of both plant species, but the frequency of OTC addition had no effect on the rate of metal removal. Alfalfa exhibited greater detoxification ability and effectiveness in soil microbial activity promotion than S. plumbizincicola with intercropping. Phytoremediation by alfalfa and S. plumbizincicola in association can both promote the removal of heavy metals and also alleviate the toxic effects of pollutants on plants and soil microbes even at relatively high soil OTC concentrations.
研究领域[WOS]: Agriculture ; Chemistry ; Food Science & Technology
项目资助者: National Natural Science Foundation of China(41401581 ; 41271326)
关键词[WOS]: MICROBIAL BIOMASS ; HEAVY-METALS ; VETERINARY ANTIBIOTICS ; ANTIOXIDANT ENZYMES ; SEWAGE SLUDGES ; FARMLAND SOIL ; WASTE-WATER ; LAND-USE ; CHINA ; ACCUMULATION
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000386540400017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/17474
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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Recommended Citation:
Ma, TT,Zhou, LQ,Chen, LK,et al. Oxytetracycline Toxicity and Its Effect on Phytoremediation by Sedum plumbizincicola and Medicago sativa in Metal-Contaminated Soil[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2016,64(42):8045-8053.
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