Oxytetracycline Toxicity and Its Effect on Phytoremediation by Sedum plumbizincicola and Medicago sativa in Metal-Contaminated Soil
Ma, TT; Zhou, LQ; Chen, LK; Li, Z; Wu, LH; Christie, P; Luo, YM; 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
2016-10-26
发表期刊JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
ISSN0021-8561
卷号64期号:42页码:8045-8053
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
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.
关键词Phytoextraction Hyperaccumulator Oxytetracycline Biolog Enzyme Activity Microbial Activity
作者部门中科院海岸带环境过程与生态修复重点实验室
DOI10.1021/acs.jafc.6b02140
项目资助者National Natural Science Foundation of China(41401581 ; 41271326)
收录类别SCI
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
语种英语
WOS研究方向Agriculture ; Chemistry ; Food Science & Technology
WOS记录号WOS:000386540400017
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/17474
专题中科院海岸带环境过程与生态修复重点实验室
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
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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.
APA Ma, TT.,Zhou, LQ.,Chen, LK.,Li, Z.,Wu, LH.,...&Wu, LH .(2016).Oxytetracycline Toxicity and Its Effect on Phytoremediation by Sedum plumbizincicola and Medicago sativa in Metal-Contaminated Soil.JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,64(42),8045-8053.
MLA Ma, TT,et al."Oxytetracycline Toxicity and Its Effect on Phytoremediation by Sedum plumbizincicola and Medicago sativa in Metal-Contaminated Soil".JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 64.42(2016):8045-8053.
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