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Gomte SS, Jadhav PV, Jothi Prasath V R N, Agnihotri TG, Jain A. From lab to ecosystem: Understanding the ecological footprints of engineered nanoparticles. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2024; 42:33-73. [PMID: 38063467 DOI: 10.1080/26896583.2023.2289767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Nanotechnology has attained significant attention from researchers in past decades due to its numerous advantages, such as biocompatibility, biodegradability, and improved stability over conventional drug delivery systems. The fabrication of engineered nanoparticles (ENPs), including carbon nanotubes (CNTs), fullerenes, metallic and metal oxide-based NPs, has been steadily increasing day due to their wide range of applications from household to industrial applications. Fabricated ENPs can release different materials into the environment during their fabrication process. The effect of such materials on the environment is the primary concern with due diligence on the safety and efficacy of prepared NPs. In addition, an understanding of chemistry, reactivity, fabrication process, and viable mechanism of NPs involved in the interaction with the environment is very important. To date, only a limited number of techniques are available to assess ENPs in the natural environment which makes it difficult to ascertain the impact of ENPs in natural settings. This review extensively examines the environmental effects of ENPs and briefly discusses useful tools for determining NP size, surface charge, surface area, and external appearance. In conclusion, the review highlights the potential risks associated with ENPs and suggests possible solutions.
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Affiliation(s)
- Shyam Sudhakar Gomte
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Gandhinagar, India
| | - Pratiksha Vasant Jadhav
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Gandhinagar, India
| | - Naga Jothi Prasath V R
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Gandhinagar, India
| | - Tejas Girish Agnihotri
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Gandhinagar, India
| | - Aakanchha Jain
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Ahmedabad, Gandhinagar, India
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Zuo Y, Southard M, Xu Q, Zhang G, Skibinski E, Moon N, Gan L, Chen Y, Jiang L. Cell size-dependent species sensitivity to nanoparticles underlies changes in phytoplankton diversity and productivity. GLOBAL CHANGE BIOLOGY 2024; 30:e17049. [PMID: 37988188 DOI: 10.1111/gcb.17049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/30/2023] [Accepted: 10/28/2023] [Indexed: 11/23/2023]
Abstract
Nanoparticle pollution has been shown to affect various organisms. However, the effects of nanoparticles on species interactions, and the role of species traits, such as body size, in modulating these effects, are not well-understood. We addressed this issue using competing freshwater phytoplankton species exposed to copper oxide nanoparticles. Increasing nanoparticle concentration resulted in decreased phytoplankton species growth rates and community productivity (both abundance and biomass). Importantly, we consistently found that nanoparticles had greater negative effects on species with smaller cell sizes, such that nanoparticle pollution weakened the competitive dominance of smaller species and promoted species diversity. Moreover, nanoparticles reduced the growth rate differences and competitive ability differences of competing species, while having little effect on species niche differences. Consequently, nanoparticle pollution reduced the selection effect on phytoplankton community abundance, but increased the selection effect on community biomass. Our results suggest cell size as a key functional trait to consider when predicting phytoplankton community structure and ecosystem functioning in the face of increasing nanopollution.
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Affiliation(s)
- Yiping Zuo
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Michael Southard
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Qianna Xu
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
- Department of Ecology, Evolution and Behavior, University of Minnesota, St Paul, Minnesota, USA
| | - Guangxing Zhang
- The Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Emily Skibinski
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
| | | | - Lan Gan
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Yongsheng Chen
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Lin Jiang
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
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Yang H, Chen N, Wang Z, Liu J, Qin J, Zhu K, Jia H. Biochar-Associated Free Radicals Reduce Soil Bacterial Diversity: New Insight into Ecoenzymatic Stoichiometry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:20238-20248. [PMID: 37976412 DOI: 10.1021/acs.est.3c06864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The toxicity of environmentally persistent free radicals (EPFRs), often generated during biochar production, on soil bacteria is still not truly reflected when considering the conditions in real soil. Herein, the influence of free radicals within biochar on soil bacteria was investigated from the perspectives of enzyme activity, community structure, and ecoenzymatic stoichiometry. Biochar addition enhanced the contents of EPFRs and derived hydroxyl radicals (•OH) in the soil, while it reduced bacterial alpha diversity by 5.06-35.44%. The results of redundancy analysis and inhibition experiments collectively demonstrated the key role of EPFRs and •OH in reducing the bacterial alpha diversity. Specifically, EPFRs and •OH increased the stoichiometric imbalance by promoting the release of dissolved organic carbon and ammonium N, thus aggravating the P limitation in soil. This was further confirmed by increased alkaline phosphatase activity from 702 to 874 nmol g-1 h-1. The P limitation induced by EPFRs and •OH decreased the bacterial alpha diversity, as evidenced by the negative correlation between P limitation and bacterial alpha diversity (r2 = -0.931 to -0.979, P < 0.01) and the structural equation model. The obtained results demonstrate a ubiquitous but previously overlooked mechanism for bacterial toxicity of biochar-associated free radicals, providing scientific guidance for safe utilization of biochar.
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Affiliation(s)
- Huiqiang Yang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling 712100, China
| | - Na Chen
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling 712100, China
| | - Zhiqiang Wang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling 712100, China
| | - Jinbo Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling 712100, China
| | - Jianjun Qin
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling 712100, China
| | - Kecheng Zhu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling 712100, China
| | - Hanzhong Jia
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling 712100, China
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Ijaz M, Khan F, Ahmed T, Noman M, Zulfiqar F, Rizwan M, Chen J, H.M. Siddique K, Li B. Nanobiotechnology to advance stress resilience in plants: Current opportunities and challenges. Mater Today Bio 2023; 22:100759. [PMID: 37600356 PMCID: PMC10433128 DOI: 10.1016/j.mtbio.2023.100759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 08/22/2023] Open
Abstract
A sustainable and resilient crop production system is essential to meet the global food demands. Traditional chemical-based farming practices have become ineffective due to increased population pressures and extreme climate variations. Recently, nanobiotechnology is considered to be a promising approach for sustainable crop production by improving the targeted nutrient delivery, pest management efficacy, genome editing efficiency, and smart plant sensor implications. This review provides deeper mechanistic insights into the potential applications of engineered nanomaterials for improved crop stress resilience and productivity. We also have discussed the technology readiness level of nano-based strategies to provide a clear picture of our current perspectives of the field. Current challenges and implications in the way of upscaling nanobiotechnology in the crop production are discussed along with the regulatory requirements to mitigate associated risks and facilitate public acceptability in order to develop research objectives that facilitate a sustainable nano-enabled Agri-tech revolution. Conclusively, this review not only highlights the importance of nano-enabled approaches in improving crop health, but also demonstrated their roles to counter global food security concerns.
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Affiliation(s)
- Munazza Ijaz
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058, Hangzhou, China
| | - Fahad Khan
- Tasmanian Institute of Agriculture, University of Tasmania, Prospect, TAS 7250, Australia
| | - Temoor Ahmed
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058, Hangzhou, China
- Xianghu Laboratory, Hangzhou, 311231, China
| | - Muhammad Noman
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058, Hangzhou, China
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Rural Affairs and Zhejiang Province, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Faisal Zulfiqar
- Department of Horticultural Sciences, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muhammad Rizwan
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Jianping Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Biotechnology in Plant Protection of Ministry of Agriculture and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo, 315211, China
| | - Kadambot H.M. Siddique
- The UWA Institute of Agriculture, The University of Western Australia, Petrth, WA, 6001, Australia
| | - Bin Li
- State Key Laboratory of Rice Biology and Breeding, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058, Hangzhou, China
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Ma W, Du W, Gu K, Xu M, Yin Y, Sun Y, Wu J, Zhu J, Guo H. Elevated CO 2 exacerbates effects of TiO 2 nanoparticles on rice (Oryza sativa L.) leaf transcriptome and soil bacteria. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159689. [PMID: 36302435 DOI: 10.1016/j.scitotenv.2022.159689] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 09/16/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Elevated CO2 affects the plant rhizosphere and can therefore affect the fate and toxicity of soil contaminants. However, little is known about how the effects of nanoparticles on plants and soil bacteria will change under future CO2 levels. A free-air CO2 enrichment system with two CO2 levels (ambient, 390 μmol mol-1; elevated, 590 μmol mol-1) was used to investigate the responses of rice (Oryza sativa L.) and soil bacteria to titanium dioxide nanoparticles (nano-TiO2, 0 and 200 mg kg-1). Results showed that nano-TiO2 alone did not significantly affect rice growth but affected soil bacteria involved in the carbon and sulfur cycles. Elevated CO2 alone increased rice plant biomass and up-regulated genes related to ribosomes, but its combination with nano-TiO2 down-regulated genes related to photosynthesis and photosynthetic antennae. Elevated CO2 also exacerbated the disturbance by nano-TiO2 to soil bacteria involved in carbon and nitrogen cycles, and consequently inhibited the rice growth. These findings provide a reference for the comprehensive evaluation for the risk of soil pollution.
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Affiliation(s)
- Wenqian Ma
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Wenchao Du
- School of Environment, Nanjing Normal University, Nanjing 210023, China.
| | - Kaihua Gu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Meiling Xu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Yuanyuan Sun
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Surficial Geochemistry, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Jichun Wu
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Surficial Geochemistry, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Jianguo Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
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Sun C, Hu K, Mu D, Wang Z, Yu X. The Widespread Use of Nanomaterials: The Effects on the Function and Diversity of Environmental Microbial Communities. Microorganisms 2022; 10:microorganisms10102080. [PMID: 36296356 PMCID: PMC9609405 DOI: 10.3390/microorganisms10102080] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/07/2022] [Accepted: 10/18/2022] [Indexed: 11/05/2022] Open
Abstract
In recent years, as an emerging material, nanomaterials have rapidly expanded from laboratories to large-scale industrial productions. Along with people's productive activities, these nanomaterials can enter the natural environment of soil, water and atmosphere through various ways. At present, a large number of reports have proved that nanomaterials have certain toxic effects on bacteria, algae, plants, invertebrates, mammalian cell lines and mammals in these environments, but people still know little about the ecotoxicology of nanomaterials. Most relevant studies focus on the responses of model strains to nanomaterials in pure culture conditions, but these results do not fully represent the response of microbial communities to nanomaterials in natural environments. Over the years, the effect of nanomaterials infiltrated into the natural environment on the microbial communities has become a popular topic in the field of nano-ecological environment research. It was found that under different environmental conditions, nanomaterials have various effects on the microbial communities. The medium; the coexisting pollutants in the environment and the structure, particle size and surface modification of nanomaterials may cause changes in the structure and function of microbial communities. This paper systematically summarizes the impacts of different nanomaterials on microbial communities in various environments, which can provide a reference for us to evaluate the impacts of nanomaterials released into the environment on the microecology and has certain guiding significance for strengthening the emission control of nanomaterials pollutants.
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Affiliation(s)
- Chunshui Sun
- College of Marine Science, Shandong University, Weihai 264209, China
| | - Ke Hu
- College of Marine Science, Shandong University, Weihai 264209, China
| | - Dashuai Mu
- College of Marine Science, Shandong University, Weihai 264209, China
| | - Zhijun Wang
- Institute for Advanced Study, Chengdu University, 2025 Chengluo Avenue, Chengdu 610106, China
| | - Xiuxia Yu
- College of Marine Science, Shandong University, Weihai 264209, China
- Correspondence:
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7
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Kaur H, Kalia A, Sandhu JS, Dheri GS, Kaur G, Pathania S. Interaction of TiO 2 nanoparticles with soil: Effect on microbiological and chemical traits. CHEMOSPHERE 2022; 301:134629. [PMID: 35447207 DOI: 10.1016/j.chemosphere.2022.134629] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 04/08/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Titanium dioxide (TiO2) nanoparticles (NPs) are the most widely used nanomaterials and their expanding use raises concerns about their impacts on soil ecosystems and functioning. The present study evaluates the potential impacts of TiO2 NPs applied at low doses (0, 1.0, 2.5, 5.0, 10.0 and 20.0 mg L-1) on soil chemical properties including the macro and micronutrient contents, microbial population and enzyme activities in rhizosphere soil of mung bean crop at different time intervals (7, 14, 28 and 56 days). A quantitative RT-PCR study was also performed to study the relative change in the gene expression of ammonia oxidizer and nitrogen fixers upon TiO2 NP supplementation. An increase in soil nutrient content viz., available N, P, Cu, Fe, Mn, nitrate-N and ammonical-N was observed with NP application except available K and Zn content. The TiO2 NPs stimulated the growth of soil microflora at low concentrations while an inhibitory effect was recorded at high concentrations. The soil fungi and actinobacteria emerged as the most sensitive groups of soil microbes towards TiO2 NP exposure exhibiting detrimental impacts on their growth at all concentrations. Similarly, the soil enzyme activities enhanced till TiO2 NPs (10.0 mg L-1) which was followed by decrease at higher concentrations. The qRT-PCR study showed that the ammonia oxidizers were more affected by TiO2 NPs application than nitrogen fixers. These findings suggest that TiO2 NPs can be used as stimulators of soil nutrients and soil microbial dynamics at low concentrations.
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Affiliation(s)
- Harleen Kaur
- Department of Microbiology, College of Basic Sciences and Humanities, Punjab Agricultural University, Ludhiana, 141004, India
| | - Anu Kalia
- Electron Microscopy and Nanoscience Laboratory, Department of Soil Science, College of Agriculture, Punjab Agricultural University, Ludhiana, 141004, India.
| | - Jagdeep Singh Sandhu
- School of Agricultural Biotechnology, College of Agriculture, Punjab Agricultural University, Ludhiana, 141004, India
| | - Gurmeet Singh Dheri
- Department of Soil Science, College of Agriculture, Punjab Agricultural University, Ludhiana, 141004, India
| | - Gurwinder Kaur
- School of Agricultural Biotechnology, College of Agriculture, Punjab Agricultural University, Ludhiana, 141004, India
| | - Shivali Pathania
- School of Agricultural Biotechnology, College of Agriculture, Punjab Agricultural University, Ludhiana, 141004, India
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Du W, Xu M, Yin Y, Sun Y, Wu J, Zhu J, Guo H. Elevated CO 2 levels alleviated toxicity of ZnO nanoparticles to rice and soil bacteria. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 804:149822. [PMID: 34517329 DOI: 10.1016/j.scitotenv.2021.149822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 08/17/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
Rising CO2 levels will change the behavior and toxicity of soil contaminants. However, it remains unclear whether elevated CO2 levels will change the nanoparticle dissolution or their biological effects in soil. In this study, we used a free-air CO2 enrichment system to examine the effects of elevated CO2 on phytotoxicity and bacterial toxicity of zinc oxide nanoparticles (nZnO) in a paddy soil system. The elevated CO2 changed the nZnO diffraction in soil, slightly increasing its dissolution but remarkably improving its bioavailability. Elevated CO2 did not change Zn accumulation in rice, but still alleviated the adverse effects of nZnO on rice growth, although grain protein, K and P decreased. Moreover, nZnO alone significantly decreased the number of observed soil bacterial species and altered the community organization, while elevated CO2 moderated such changes. Overall, these results increase our understanding of plant response and microbial variation in nanoparticle-contaminated soil under elevated-CO2 conditions. It is necessary to pay attention to soil pollution while facing climate change.
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Affiliation(s)
- Wenchao Du
- School of Environment, Nanjing Normal University, Nanjing 210023, China
| | - Meiling Xu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Yuanyuan Sun
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Surficial Geochemistry, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Jichun Wu
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Surficial Geochemistry, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Jianguo Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China.
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Wan J, Hu L, Zhang C, Cheng M, Xiong W, Zhou C. Response of microorganisms to phosphate nanoparticles in Pb polluted sediment: Implications of Pb bioavailability, enzyme activities and bacterial community. CHEMOSPHERE 2022; 286:131643. [PMID: 34311395 DOI: 10.1016/j.chemosphere.2021.131643] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/20/2021] [Accepted: 07/21/2021] [Indexed: 06/13/2023]
Abstract
In recent years, various phosphate nanoparticles (PNPs) have been synthesized and applied for in situ Pb remediation in laboratory investigations. Here, three kinds of PNPs, CMC-nClAP (carboxymethyl cellulose stabilized nano-chlorapatite), SDS-nClAP (sodium dodecyl sulfate stabilized nano-chlorapatite) and Rha-nClAP (rhamnolipid stabilized nano-chlorapatite) were used to investigate the influence of PNPs on Pb bioavailability, enzyme activities and bacterial community in Pb polluted sediment. Pb bioavailability can be reduced by the application of CMC-nClAP, SDS-nClAP and Rha-nClAP with the maximum increases of residual fraction to 57.2 %, 58.3 % and 61.4 %, respectively. Alternatively, catalase activity, urease activity and protease activity also changed with the remediation of PNPs. Microbes responded quickly to PNPs in different ways: bacterial richness was all increased while bacterial diversity was only increased with the application of SDS-nClAP. Three dominant species, Proteobacteria, Firmicutes and Bacteroidetes were redistributed differentially during the treatment of PNPs. Interestingly, PNPs didn't significantly change the bacterial community structure in treated samples and CMC-nClAP induced fewer changes in microbial activity and community as compared with SDS-nClAP and Rha-nClAP. Overall, our findings suggested that long-term exposure to PNPs would decrease Pb bioavailability, regulate enzyme activities and affect bacterial community in sediments. The Pb bioavailability, physical-chemical properties of PNPs and properties of chemical/bio-surfactant may determine the response of microorganisms to PNPs in Pb polluted sediment.
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Affiliation(s)
- Jia Wan
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, 410082, China
| | - Liang Hu
- School of Minerals Processing and Bioengineering, Key Laboratory of Biohydrometallurgy of Ministry of Education, Central South University, Changsha, 410083, China.
| | - Chen Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, 410082, China
| | - Min Cheng
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, 410082, China
| | - Weiping Xiong
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, 410082, China
| | - Chengyun Zhou
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan, 410082, China
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10
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Tang Q, Xu Z, Hong A, Zhang X, Kah M, Li L, Wang Y. Response of soil enzyme activity and bacterial community to copper hydroxide nanofertilizer and its ionic analogue under single versus repeated applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:148974. [PMID: 34271378 DOI: 10.1016/j.scitotenv.2021.148974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/04/2021] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
Nanosized agrochemicals like nanofertilizers are being applied to soils. Adverse impacts of nanofertilizers on soil microflora were reported in past studies, but only considering a single application. Repeated applications are however more likely to occur in agriculture. We investigated effects of single versus repeated applications of a copper hydroxide nanofertilizer formulation (NFF) on soil enzyme activity and bacterial community. One or three applications were performed within 21 days to achieve same final level of Cu in soil (48 mg(Cu)/kg: the recommended dose of NFF). Besides, the active ingredient (i.e., copper hydroxide nanotubes (NT)) and dispersing agent (DA) of NFF, and an ionic fertilizer (i.e., CuSO4) were examined. Fluorescein diacetate hydrolase (FDAse), N-acetylglucosaminidase (NAG), leucine aminopeptidase (LAP), and urease (URE) showed negligible changes in the activities between the control and DA treatment. Bacterial community abundance, composition and diversity exhibited similar phenomena. Exposures to copper hydroxide NFF and NT or CuSO4 enhanced the activities of FDAse and NAG, weakened the activity of URE, and showed negligible changes in the LAP activity irrespective of single and repeated applications. Concentrations of NO3--N and NH4+-N in soil were also affected by the application mode of NFF. More importantly, responses of soil bacterial community to copper hydroxide NFF were highly dependent on its application mode, whereas similar responses were observed in the CuSO4 treatment regardless of single or repeated applications. This study provided new insights into environmental risk of copper hydroxide NFF that were ignored in previous studies using a single exposure.
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Affiliation(s)
- Qing Tang
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Zhenlan Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Aimei Hong
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xiang Zhang
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Melanie Kah
- School of Environment, The University of Auckland, Auckland 1142, New Zealand
| | - Lingxiangyu Li
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China; School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.
| | - Yawei Wang
- School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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11
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Combined impact of TiO2 nanoparticles and antibiotics on the activity and bacterial community of partial nitrification system. PLoS One 2021; 16:e0259671. [PMID: 34780518 PMCID: PMC8592496 DOI: 10.1371/journal.pone.0259671] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 10/24/2021] [Indexed: 12/16/2022] Open
Abstract
The effects of TiO2 nanoparticles (nano-TiO2) together with antibiotics leaking into wastewater treatment plants (WWTPs), especially the partial nitrification (PN) process remain unclear. To evaluate the combined impact and mechanisms of nano-TiO2 and antibiotics on PN systems, batch experiments were carried out with six bench-scale sequencing batch reactors. Nano-TiO2 at a low level had minimal effects on the PN system. In combination with tetracycline and erythromycin, the acute impact of antibiotics was enhanced. Both steps of nitrification were retarded due to the decrease of bacterial activity and abundance, while nitrite-oxidizing bacteria were more sensitive to the inhibition than ammonia-oxidizing bacteria. Proteobacteria at the phylum level and Nitrosospira at the genus level remained predominant under single and combined impacts. The flow cytometry analysis showed that nano-TiO2 enhanced the toxicity of antibiotics through increasing cell permeability. Our results can help clarify the risks of nano-TiO2 combined with antibiotics to PN systems and explaining the behavior of nanoparticles in WWTPs.
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12
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Influence of Titanium Dioxide Nanoparticles on Human Health and the Environment. NANOMATERIALS 2021; 11:nano11092354. [PMID: 34578667 PMCID: PMC8465434 DOI: 10.3390/nano11092354] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 01/23/2023]
Abstract
Nanotechnology has enabled tremendous breakthroughs in the development of materials and, nowadays, is well established in various economic fields. Among the various nanomaterials, TiO2 nanoparticles (NPs) occupy a special position, as they are distinguished by their high availability, high photocatalytic activity, and favorable price, which make them useful in the production of paints, plastics, paper, cosmetics, food, furniture, etc. In textiles, TiO2 NPs are widely used in chemical finishing processes to impart various protective functional properties to the fibers for the production of high-tech textile products with high added value. Such applications contribute to the overall consumption of TiO2 NPs, which gives rise to reasonable considerations about the impact of TiO2 NPs on human health and the environment, and debates regarding whether the extent of the benefits gained from the use of TiO2 NPs justifies the potential risks. In this study, different TiO2 NPs exposure modes are discussed, and their toxicity mechanisms—evaluated in various in vitro and in vivo studies—are briefly described, considering the molecular interactions with human health and the environment. In addition, in the conclusion of this study, the toxicity and biocompatibility of TiO2 NPs are discussed, along with relevant risk management strategies.
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13
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Deng R, Huang D, Lei L, Zhou C, Yin L, Liu X, Chen S, Li R, Tao J. Stabilization of lead in polluted sediment based on an eco-friendly amendment strategy: Microenvironment response mechanism. JOURNAL OF HAZARDOUS MATERIALS 2021; 415:125534. [PMID: 33730642 DOI: 10.1016/j.jhazmat.2021.125534] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
Stabilization is the most important remediation mechanisms for sediment polluted heavy metals. However, little research has been done on the identification of microenvironmental response and internal correlation, as well as synergistic mechanisms during heavy metal remediation. This study aims to investigate the inner response mechanisms of microenvironment after the lead (Pb) are gradually stabilized in sediment. An eco-friendly amendment strategy which firstly used 100% biodegradable sophorolipids (SOP) to modify chlorapatite (ClAP) for the fabrication of SOP@nClAP was applied in this study. The stabilization efficiency of Pb was significantly improved by SOP@nClAP compared with ClAP. Most importantly, the high-throughput sequencing showed that the dominant species in the sediment changed with the stabilization of Pb. The decrease of Proteobacteria and increase of Firmicutes, especially the Sedimentibacter within the phylum Firmicute directly suggested that large amounts of Pb were stabilized. This research is not only devoted to stabilize Pb in sediment by eco-friendly amendment strategy, but also keep a watchful eye on microenvironment response mechanisms during the Pb stabilization in sediment. Therefore, this study lays a foundation for the future application of more heavy metal amendment strategies in the sediment environment and improves the possibility of large-scale site amendment.
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Affiliation(s)
- Rui Deng
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
| | - Danlian Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China.
| | - Lei Lei
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
| | - Chengyun Zhou
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
| | - Lingshi Yin
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
| | - Xigui Liu
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
| | - Sha Chen
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
| | - Ruijin Li
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
| | - Jiaxi Tao
- College of Environmental Science and Engineering, Hunan University, Changsha, Hunan 410082, China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, Hunan 410082, China
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Ilieva-Makulec K, Augustyniuk-Kram A, Olejniczak I, Karaban K, Boniecki P, Nowicki M, Runka T, Kulczycki A, Kałużny J. Medium-term response of the natural grassland soil biota to multiwalled carbon nanotube contamination. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146392. [PMID: 33743463 DOI: 10.1016/j.scitotenv.2021.146392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/21/2021] [Accepted: 03/07/2021] [Indexed: 06/12/2023]
Abstract
Although the soil environment can potentially be exposed to contamination by carbon nanotubes (CNT), its impact on soil biology is poorly understood. In this study, we investigated the effect of the multiwalled CNT (MWCNT) contamination on different groups of soil organisms (microbial, micro- and mesofaunal communities) as well as the soil enzyme activity. The experimental mesocosms included the intact soil cores that were collected from a natural grassland. The MWCNTs that were pristine (pCNTs) and functionalised (fCNTs) at a concentration of 500 μg g-1 of soil were applied in the form of water suspensions to the surface of the mesocosms, while ensuring the soil was not mixed after the treatment. Soil samples were taken at 3, 6, and 15 weeks after CNT application. The CNT soil contamination highlighted differences in the community dynamics within the studied groups when compared to the control (non-contaminated soil). Among the faunal groups, nematodes were found to be more sensitive to the CNT impact than mites. The most pronounced response of the nematodes was observed in the subsoil at week 6, when their numbers were 3- (pCNTs) and 4-fold (fCNTs) higher than the control mesocosms. Both types of CNTs influenced the relative abundance of the bacterial- and hyphal-feeding nematodes, where pCNTs significantly and negatively affected the predatory nematodes. Moreover, CNTs temporarily, but significantly, decreased the diversity of the nematode communities. In addition, the values of the nematode Structure Index confirmed a strong transitional disturbance effect of CNTs in the soil food web, while the Channel Index in the pCNTs indicated an increasing share of fungi in the decomposition pathway. Hence, we can infer that although the impact of CNTs seems to be temporary, the shifts in the soil community abundance and structure that it induced may have long-term consequences for soil functioning, including nutrient cycling.
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Affiliation(s)
- Krassimira Ilieva-Makulec
- Institute of Biological Sciences, Cardinal Stefan Wyszynski University in Warsaw, Poland, 01-938 Warsaw, Poland.
| | - Anna Augustyniuk-Kram
- Institute of Biological Sciences, Cardinal Stefan Wyszynski University in Warsaw, Poland, 01-938 Warsaw, Poland.
| | - Izabella Olejniczak
- Institute of Biological Sciences, Cardinal Stefan Wyszynski University in Warsaw, Poland, 01-938 Warsaw, Poland.
| | - Kamil Karaban
- Institute of Biological Sciences, Cardinal Stefan Wyszynski University in Warsaw, Poland, 01-938 Warsaw, Poland.
| | - Paweł Boniecki
- Institute of Biological Sciences, Cardinal Stefan Wyszynski University in Warsaw, Poland, 01-938 Warsaw, Poland.
| | - Marek Nowicki
- Faculty of Materials Engineering and Technical Physics, Poznan University of Technology, 60-965 Poznań, Poland.
| | - Tomasz Runka
- Faculty of Materials Engineering and Technical Physics, Poznan University of Technology, 60-965 Poznań, Poland.
| | | | - Jarosław Kałużny
- Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznań, Poland.
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15
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Luo J, Guo X, Liang J, Song Y, Liu Y, Li J, Du Y, Mu Q, Jiang Y, Zhao H, Li T. The influence of elevated CO 2 on bacterial community structure and its co-occurrence network in soils polluted with Cr 2O 3 nanoparticles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146430. [PMID: 33752002 DOI: 10.1016/j.scitotenv.2021.146430] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/10/2021] [Accepted: 03/08/2021] [Indexed: 06/12/2023]
Abstract
Elevated CO2 (eCO2) and nanoparticles release are considered among the most noteworthy global concerns as they may impose negative effects on human health and ecosystem functioning. A mechanistic understanding of their combined impacts on soil microbiota is essential due to the profound eCO2 effect on soil biogeochemical processes. In this study, the impacts of Cr2O3 nanoparticles (nano-Cr2O3) on the activity, structure and co-occurrence networks of bacterial communities under ambient and eCO2 were compared between a clay loam and a sandy loam soil. We showed that eCO2 substantially mitigated nano-Cr2O3 toxicity, with microbial biomass, enzyme activity and bacterial alpha-diversity in clay loam soil were much higher than those in sandy loam soil. Nano-Cr2O3 addition caused an increase in alpha-diversity except for clay loam soil samples under eCO2. 16S rRNA gene profiling data found eCO2 remarkably reduced community divergences induced by nano-Cr2O3 more efficiently in clay loam soil (P < 0.05). Network analyses revealed more complex co-occurrence network architectures in clay loam soil than in sandy loam soil, however, nano-Cr2O3 decreased but eCO2 increased modularity and network complexity. Rising CO2 favoured the growth of oligotrophic (Acidobacteriaceae, Bryobacteraceae) rather than the copiotrophic bacteria (Sphingomonadaceae, Caulobacteraceae, Bacteroidaceae), which may contribute to community recovery and increase available carbon utilization efficiency. Our results suggested that the degree to which eCO2 mitigates nano-Cr2O3 toxicity is soil dependent, which could be related to the variation in clay and organic matter content, resilience of the resistant bacterial taxa, and microbial network complexity in distinct soils.
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Affiliation(s)
- Jipeng Luo
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xinyu Guo
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jiabin Liang
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yuchao Song
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yuankun Liu
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jinxing Li
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yilin Du
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qili Mu
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yue Jiang
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Heping Zhao
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Tingqiang Li
- Ministry of Education Key Laboratory of Environmental Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Hangzhou 310058, China; National Demonstration Center for Experimental Environment and Resources Education, Zhejiang University, Hangzhou 310058, China.
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16
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Sheteiwy MS, Shaghaleh H, Hamoud YA, Holford P, Shao H, Qi W, Hashmi MZ, Wu T. Zinc oxide nanoparticles: potential effects on soil properties, crop production, food processing, and food quality. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:36942-36966. [PMID: 34043175 DOI: 10.1007/s11356-021-14542-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 05/18/2021] [Indexed: 06/12/2023]
Abstract
The use of zinc oxide nanoparticles (ZnO NPs) is expected to increase soil fertility, crop productivity, and food quality. However, the potential effects of ZnO NP utilization should be deeply understood. This review highlights the behavior of ZnO NPs in soil and their interactions with the soil components. The review discusses the potential effects of ZnO NPs on plants and their mechanisms of action on plants and how these mechanisms are related to their physicochemical properties. The impact of current applications of ZnO NPs in the food industry is also discussed. Based on the literature reviewed, soil properties play a vital role in dispersing, aggregation, stability, bioavailability, and transport of ZnO NPs and their release into the soil. The transfer of ZnO NPs into the soil can affect the soil components, and subsequently, the structure of plants. The toxic effects of ZnO NPs on plants and microbes are caused by various mechanisms, mainly through the generation of reactive oxygen species, lysosomal destabilization, DNA damage, and the reduction of oxidative stress through direct penetration/liberation of Zn2+ ions in plant/microbe cells. The integration of ZnO NPs in food processing improves the properties of the relative ZnO NP-based nano-sensing, active packing, and food/feed bioactive ingredients delivery systems, leading to better food quality and safety. The unregulated/unsafe discharge concentrations of ZnO NPs into the soil, edible plant tissues, and processed foods raise environmental/safety concerns and adverse effects. Therefore, the safety issues related to ZnO NP applications in the soil, plants, and food are also discussed.
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Affiliation(s)
- Mohamed Salah Sheteiwy
- Salt-Soil Agricultural Center, Institute of Agriculture Resources and Environment, Jiangsu Academy of Agriculture Science (JAAS), Nanjing, 210014, China
- Department of Agronomy, Faculty of Agriculture, Mansoura University, Mansoura, 35516, Egypt
| | - Hiba Shaghaleh
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China.
| | - Yousef Alhaj Hamoud
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China.
| | - Paul Holford
- School of Science, Western Sydney University, Locked Bag 1797, NSW, 2751, Penrith, Australia
| | - Hongbo Shao
- Salt-Soil Agricultural Center, Institute of Agriculture Resources and Environment, Jiangsu Academy of Agriculture Science (JAAS), Nanjing, 210014, China.
- College of Environment and Safety Engineering, Qingdao University of Science & Technology, Qingdao, China.
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Yancheng Teachers University, Yancheng, China.
| | - Weicong Qi
- Salt-Soil Agricultural Center, Institute of Agriculture Resources and Environment, Jiangsu Academy of Agriculture Science (JAAS), Nanjing, 210014, China
| | | | - Tianow Wu
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China
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17
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Shi Y, Xiao Y, Li Z, Zhang X, Liu T, Li Y, Pan Y, Yan W. Microorganism structure variation in urban soil microenvironment upon ZnO nanoparticles contamination. CHEMOSPHERE 2021; 273:128565. [PMID: 33087259 DOI: 10.1016/j.chemosphere.2020.128565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/28/2020] [Accepted: 10/03/2020] [Indexed: 06/11/2023]
Abstract
Nanoparticles (NPs) sink into the soil via agricultural spreading, surface water, atmospheric deposition, and industrial emission, which affects plant growth and soil microenvironment. To understand how NPs influence urban soil microenvironment, the effect of typical nano-pollutants zinc oxide nanoparticles (ZnONPs) was investigated in urban solid-waste land. Pokeweed (Phytolacca Americana L.) soil samples from solid-waste land were collected and exposed to 200, 500, and 1000 mg kg-1 ZnONPs. The physiological characteristics of pokeweed, soil bacterial community composition, and soil physiochemical properties and enzymatic activities were determined. Our results show that pokeweed growth was slightly inhibited, and soil acid-base homeostasis was affected in ZnONPs-contaminated samples. Meanwhile, enzymatic activities related to soil C cycle were enhanced, and bacterial community structure at the phylum and genus levels was altered. Specifically, the abundance of hydrocarbon-degrading taxa reduced substantially upon ZnONPs exposure. The phenoloxidase (PPO) activity and the refractory hydrocarbon-degrading bacteria Bacteroidetes was adversely affected by ZnONPs exposure. In addition, Subgroup_10 of Acidobacteria was identified as an indicator of soil ZnONPs contamination. Our study detected changes in plant growth, soil environmental factors, and soil microbe community composition in urban solid-waste land treated by ZnONPs. The results of this research provide evidence for ZnONPs toxicology on urban soil microenvironment.
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Affiliation(s)
- Yang Shi
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China
| | - Yunmu Xiao
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China
| | - Ziqian Li
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China
| | - Xuyuan Zhang
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China
| | - Ting Liu
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China
| | - Yong Li
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China.
| | - Yuliang Pan
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China
| | - Wende Yan
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Changsha, Hunan, 410004, China; Laboratory of Urban Forest Ecology of Hunan Province, Changsha, Hunan, 410004, China.
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18
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Liu Y, Li Y, Pan B, Zhang X, Zhang H, Steinberg CEW, Qiu H, Vijver MG, Peijnenburg WJGM. Application of low dosage of copper oxide and zinc oxide nanoparticles boosts bacterial and fungal communities in soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 757:143807. [PMID: 33288254 DOI: 10.1016/j.scitotenv.2020.143807] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/27/2020] [Accepted: 10/31/2020] [Indexed: 06/12/2023]
Abstract
With the expanding nanotechnology, nanoparticles (NPs) embedded products are used in the agricultural sector to improve soil fertility. Thus, two typical metal oxides NPs and their mixtures were applied in different doses to evaluate the impacts on soil microbes. CuO and ZnO NPs boosted soil microbial communities as reflected by the increased number of extractable bacterial or fungal groups and the enlarged values of Chao 1, ACE, and Shannon indices. Relative abundance of some susceptible taxa such as Sphingomonadales increased with increasing concentrations of ZnO NPs, while IMCC26256 decreased with increasing concentrations of CuO NPs. The mixture of CuO and ZnO NPs did not show more promotional effects on the soil bacterial community than the sum of individual effects. Increased soil organic carbon mitigated the impacts on soil bacteria for CuO NPs, but not for ZnO NPs. As micro-nutrients, the ions released from CuO and ZnO NPs had the potential to promote soil microbial community richness and diversity. However, the positive impacts of MNPs were impaired at dosage higher than 250 mg kg-1 soil (213.08 mg kg-1 soil of Cu, 162.73 mg kg-1 soil of Zn). Thus, the application dose and soil type other than the coexistence of MNPs should be considered before the wide use in increasing agricultural productivity.
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Affiliation(s)
- Yang Liu
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Yang Li
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Bo Pan
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
| | - Xinyue Zhang
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Huang Zhang
- Faculty of Agriculture and Food, Kunming University of Science and Technology, Kunming 650500, China
| | - Christian E W Steinberg
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; Institute of Biology, Freshwater & Stress Ecology, Humboldt University, Berlin 12437, Germany
| | - Hao Qiu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Martina G Vijver
- Institute of Environmental Sciences (CML), Leiden University, Leiden 2300, RA, the Netherlands
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, Leiden 2300, RA, the Netherlands; National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, Bilthoven 3720 BA, the Netherlands
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19
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Qian Y, Qin C, Chen M, Lin S. Nanotechnology in soil remediation - applications vs. implications. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 201:110815. [PMID: 32559688 DOI: 10.1016/j.ecoenv.2020.110815] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 05/12/2023]
Abstract
Engineered nanomaterials (ENMs) and nanotechnology have shown great potential in addressing complex problems and creating innovative approaches in soil remediation due to their unique features of high reactivity, selectivity and versatility. Meanwhile, valid concerns exist with regard to their implications towards the terrestrial environment and the ecosystem. This review summarizes: (i) the applications and the corresponding mechanisms of various types of ENMs for soil remediation; (ii) the environmental behavior of ENMs in soils and their interactions with the soil content; (iii) the environmental implications of ENMs during remedial applications. The overall objective is to promote responsible innovations so as to take optimal advantage of ENMs and nanotechnology while minimizing their adverse effects to the ecological system. It is critical to establish sustainable remediation methods that ensure a healthy and safe environment without bringing additional risk.
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Affiliation(s)
- Yuting Qian
- College of Environmental Science and Engineering, Biomedical Multidisciplinary Innovation Research Institute, Shanghai East Hospital, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Caidie Qin
- College of Environmental Science and Engineering, Biomedical Multidisciplinary Innovation Research Institute, Shanghai East Hospital, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Mengmeng Chen
- College of Environmental and Chemical Engineering, Shanghai University of Electric Power, Shanghai, 200090, China
| | - Sijie Lin
- College of Environmental Science and Engineering, Biomedical Multidisciplinary Innovation Research Institute, Shanghai East Hospital, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, 1239 Siping Road, Shanghai, 200092, China.
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20
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Technology readiness and overcoming barriers to sustainably implement nanotechnology-enabled plant agriculture. ACTA ACUST UNITED AC 2020. [DOI: 10.1038/s43016-020-0110-1] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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Bellani L, Siracusa G, Giorgetti L, Di Gregorio S, Ruffini Castiglione M, Spanò C, Muccifora S, Bottega S, Pini R, Tassi E. TiO 2 nanoparticles in a biosolid-amended soil and their implication in soil nutrients, microorganisms and Pisum sativum nutrition. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 190:110095. [PMID: 31869714 DOI: 10.1016/j.ecoenv.2019.110095] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 12/12/2019] [Accepted: 12/14/2019] [Indexed: 06/10/2023]
Abstract
The wide use of nanoparticles (NPs), gives concern about their possible negative implications in the environment and living organisms. In particular, titanium dioxide (TiO2) NPs are accumulated in biosolids (Bs) coming from wastewater treatment plants, which in turn are used as farm soil amendments and are becoming an important way of NPs entrance in the terrestrial ecosystems. In this study, to simulate a low and cumulative load of TiO2 NPs, 80 and 800 mg TiO2per Kg of soil were spiked in the Bs prior to its addition to soil. The effects of different crystal phases of TiO2 NPs (pure anatase and pure rutile or their mixture) and their non-coated bulk counterparts (larger particles) on the availability of mineral nutrients and on the status of the bacterial communities together with the nutritional status of Pisum sativum L. plants were evaluated. Results showed the reduction, to different extents, on the availability of important soil mineral nutrients (e.g. Mn 65%, Fe 20%, P 27%, averagely), in some cases size- (e.g. P) and dose-dependent. Bacterial biodiversity was also affected by the presence of high TiO2 dose in soil. The mineral nutrition of pea plants was also altered, showing the main reduction in Mn (80% in the roots and 50% in the shoots), K, Zn, P (respectively, 80, 40, and 35% in the roots), and an increase of N in the shoots, with possible consequences on the quality of the crop. The present study gives new integrated data on the effects of TiO2 NPs in the soil-plant system, on the soil health and on the nutritional quality of crops, rising new implications for future policies and human health.
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Affiliation(s)
- Lorenza Bellani
- Department of Life Sciences, University of Siena, Via A. Moro, 2, 53100, Siena, Italy; Institute of Agricultural Biology and Biotechnology, National Research Council (IBBA-CNR), Via G. Moruzzi, 1, 56124, Pisa, Italy
| | - Giovanna Siracusa
- Department of Biology, University of Pisa, Via L. Ghini, 13, 56126, Pisa, Italy
| | - Lucia Giorgetti
- Institute of Agricultural Biology and Biotechnology, National Research Council (IBBA-CNR), Via G. Moruzzi, 1, 56124, Pisa, Italy
| | - Simona Di Gregorio
- Department of Biology, University of Pisa, Via L. Ghini, 13, 56126, Pisa, Italy
| | | | - Carmelina Spanò
- Department of Biology, University of Pisa, Via L. Ghini, 13, 56126, Pisa, Italy
| | - Simonetta Muccifora
- Department of Life Sciences, University of Siena, Via A. Moro, 2, 53100, Siena, Italy
| | - Stefania Bottega
- Department of Biology, University of Pisa, Via L. Ghini, 13, 56126, Pisa, Italy
| | - Roberto Pini
- Research Institute on Terrestrial Ecosystems (IRET-CNR), Via G. Moruzzi, 1, 56124, Pisa, Italy
| | - Eliana Tassi
- Research Institute on Terrestrial Ecosystems (IRET-CNR), Via G. Moruzzi, 1, 56124, Pisa, Italy.
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22
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Lekamge S, Ball AS, Shukla R, Nugegoda D. The Toxicity of Nanoparticles to Organisms in Freshwater. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 248:1-80. [PMID: 30413977 DOI: 10.1007/398_2018_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Nanotechnology is a rapidly growing industry yielding many benefits to society. However, aquatic environments are at risk as increasing amounts of nanoparticles (NPs) are contaminating waterbodies causing adverse effects on aquatic organisms. In this review, the impacts of environmental exposure to NPs, the influence of the physicochemical characteristics of NPs and the surrounding environment on toxicity and mechanisms of toxicity together with NP bioaccumulation and trophic transfer are assessed with a focus on their impacts on bacteria, algae and daphnids. We identify several gaps which need urgent attention in order to make sound decisions to protect the environment. These include uncertainty in both estimated and measured environmental concentrations of NPs for reliable risk assessment and for regulating the NP industry. In addition toxicity tests and risk assessment methodologies specific to NPs are still at the research and development stage. Also conflicting and inconsistent results on physicochemical characteristics and the fate and transport of NPs in the environment suggest the need for further research. Finally, improved understanding of the mechanisms of NP toxicity is crucial in risk assessment of NPs, since conventional toxicity tests may not reflect the risks associated with NPs. Behavioural effects may be more sensitive and would be efficient in certain situations compared with conventional toxicity tests due to low NP concentrations in field conditions. However, the development of such tests is still lacking, and further research is recommended.
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Affiliation(s)
- Sam Lekamge
- Ecotoxicology Research Group, Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, VIC, Australia.
| | - Andrew S Ball
- Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, VIC, Australia
| | - Ravi Shukla
- Nanobiotechnology Research Laboratory, RMIT University, Melbourne, VIC, Australia
| | - Dayanthi Nugegoda
- Ecotoxicology Research Group, Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, VIC, Australia
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23
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Cui L, Wang X, Sun B, Xia T, Hu S. Predictive Metabolomic Signatures for Safety Assessment of Metal Oxide Nanoparticles. ACS NANO 2019; 13:13065-13082. [PMID: 31682760 DOI: 10.1021/acsnano.9b05793] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
The widespread use of metal oxide nanoparticles (MOx NPs) poses a risk of exposure that may lead to adverse health effects on humans. Even though a number of toxicological methodologies are available for assessing nanotoxicity, the effect of MOx NPs on cell metabolism in vitro and in vivo remains largely unknown, especially under the exposure to low-dose or supposedly low-toxicity MOx NPs. In this study, liquid chromatography-mass spectrometry (LC-MS) based metabolomics was used to reveal significantly altered metabolites and metabolic pathways in human bronchial epithelial cells exposed to four different types of MOx NPs (ZnO, SiO2, TiO2, and CeO2) at both high (25 μg/mL) and low (12.5 μg/mL) doses. We demonstrated that high-dose ZnO NPs caused severe cytotoxicity with altered metabolism of amino acids, nucleotides, nucleosides, tricarboxylic acid cycle, lipids, inflammation/redox, and fatty acid oxidation, as well as the elevation of toxic and DNA damage related metabolites. Fewer metabolomic alterations were induced by low-dose ZnO NPs. However, most metabolites significantly altered by high-dose ZnO NPs were also slightly changed by low-dose ZnO NPs. On the other hand, the cells exposed to SiO2, TiO2, and CeO2 NPs at either high or low dose displayed low cytotoxicity with similar metabolomic alterations, although each type of NPs induced distinct changes of certain metabolites. These three NPs significantly affected the metabolic pathways of sphingosine-1-phosphate, fatty acid oxidation, folate cycle, inflammation/redox, and lipid metabolism. In addition, dose-dependent effects were observed for a number of metabolites significantly altered by respective MOx NPs. Representative metabolites of the significantly altered metabolic pathways were successfully validated in vitro using enzymatic assays. More importantly, these representative metabolites were further validated in a mouse model after lung exposure to respective NPs, indicating that in vitro metabolomic findings may be used to effectively predict the toxicological effects in vivo. Despite functional assay results demonstrating that the changes in cellular functions were largely reflected by the metabolomic alterations, LC-MS-based metabolomics was sensitive enough to detect the subtle metabolomic changes when functional cellular assays showed no significant difference. Collectively, our studies have unveiled potential metabolic mechanisms of MOx NP-induced nanotoxicity in lung epithelial cells and demonstrated the sensitivity and feasibility of using metabolomic signatures to understand and predict nanotoxicity in vivo.
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Affiliation(s)
- Li Cui
- School of Dentistry and Jonsson Comprehensive Cancer Center , University of California , Los Angeles , California 90095 , United States
| | - Xiang Wang
- Division of NanoMedicine, Department of Medicine, California NanoSystems Institute , University of California , Los Angeles , California 90095 , United States
| | - Bingbing Sun
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering , Dalian University of Technology , 2 Linggong Road , 116024 , Dalian , China
| | - Tian Xia
- Division of NanoMedicine, Department of Medicine, California NanoSystems Institute , University of California , Los Angeles , California 90095 , United States
| | - Shen Hu
- School of Dentistry and Jonsson Comprehensive Cancer Center , University of California , Los Angeles , California 90095 , United States
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24
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Mitchell SL, Hudson-Smith NV, Cahill MS, Reynolds BN, Frand SD, Green CM, Wang C, Hang MN, Hernandez RT, Hamers RJ, Feng ZV, Haynes CL, Carlson EE. Chronic exposure to complex metal oxide nanoparticles elicits rapid resistance in Shewanella oneidensis MR-1. Chem Sci 2019; 10:9768-9781. [PMID: 32055346 PMCID: PMC6993611 DOI: 10.1039/c9sc01942a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 08/29/2019] [Indexed: 12/20/2022] Open
Abstract
Engineered nanoparticles are incorporated into numerous emerging technologies because of their unique physical and chemical properties. Many of these properties facilitate novel interactions, including both intentional and accidental effects on biological systems. Silver-containing particles are widely used as antimicrobial agents and recent evidence indicates that bacteria rapidly become resistant to these nanoparticles. Much less studied is the chronic exposure of bacteria to particles that were not designed to interact with microorganisms. For example, previous work has demonstrated that the lithium intercalated battery cathode nanosheet, nickel manganese cobalt oxide (NMC), is cytotoxic and causes a significant delay in growth of Shewanella oneidensis MR-1 upon acute exposure. Here, we report that S. oneidensis MR-1 rapidly adapts to chronic NMC exposure and is subsequently able to survive in much higher concentrations of these particles, providing the first evidence of permanent bacterial resistance following exposure to nanoparticles that were not intended as antibacterial agents. We also found that when NMC-adapted bacteria were subjected to only the metal ions released from this material, their specific growth rates were higher than when exposed to the nanoparticle. As such, we provide here the first demonstration of bacterial resistance to complex metal oxide nanoparticles with an adaptation mechanism that cannot be fully explained by multi-metal adaptation. Importantly, this adaptation persists even after the organism has been grown in pristine media for multiple generations, indicating that S. oneidensis MR-1 has developed permanent resistance to NMC.
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Affiliation(s)
- Stephanie L Mitchell
- Department of Chemistry , University of Minnesota , 207 Pleasant St. SE , Minneapolis , MN 55455 , USA .
| | - Natalie V Hudson-Smith
- Department of Chemistry , University of Minnesota , 207 Pleasant St. SE , Minneapolis , MN 55455 , USA .
| | - Meghan S Cahill
- Department of Chemistry , University of Minnesota , 207 Pleasant St. SE , Minneapolis , MN 55455 , USA .
| | - Benjamin N Reynolds
- Department of Biochemistry, Molecular Biology, and Biophysics , University of Minnesota , 321 Church Street SE , Minneapolis , Minnesota 55454 , USA
| | - Seth D Frand
- Chemistry Department , Augsburg University , 2211 Riverside Ave , Minneapolis , MN 55454 , USA
| | - Curtis M Green
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , WI 53706 , USA
| | - Chenyu Wang
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , WI 53706 , USA
| | - Mimi N Hang
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , WI 53706 , USA
| | - Rodrigo Tapia Hernandez
- Chemistry Department , Augsburg University , 2211 Riverside Ave , Minneapolis , MN 55454 , USA
| | - Robert J Hamers
- Department of Chemistry , University of Wisconsin-Madison , 1101 University Avenue , Madison , WI 53706 , USA
| | - Z Vivian Feng
- Chemistry Department , Augsburg University , 2211 Riverside Ave , Minneapolis , MN 55454 , USA
| | - Christy L Haynes
- Department of Chemistry , University of Minnesota , 207 Pleasant St. SE , Minneapolis , MN 55455 , USA .
| | - Erin E Carlson
- Department of Chemistry , University of Minnesota , 207 Pleasant St. SE , Minneapolis , MN 55455 , USA .
- Department of Biochemistry, Molecular Biology, and Biophysics , University of Minnesota , 321 Church Street SE , Minneapolis , Minnesota 55454 , USA
- Department of Medicinal Chemistry , University of Minnesota , 208 Harvard Street SE , Minneapolis , 55454 , USA
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25
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Zhai Y, Hunting ER, Liu G, Baas E, Peijnenburg WJGM, Vijver MG. Compositional alterations in soil bacterial communities exposed to TiO 2 nanoparticles are not reflected in functional impacts. ENVIRONMENTAL RESEARCH 2019; 178:108713. [PMID: 31518961 DOI: 10.1016/j.envres.2019.108713] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 08/31/2019] [Indexed: 05/23/2023]
Abstract
Titanium dioxide nanoparticles (TiO2NP) are increasingly released in soil ecosystems, while there is limited understanding of the impacts of TiO2NP on soil bacterial communities. Here we investigated the effects of TiO2NP on the taxonomic composition and functional profile of a soil bacterial community over a 60-day exposure period. In short-term exposure (1-day), contradictory effects on the taxonomic composition of soil bacterial communities were found after exposure to a low realistic environmental concentration of TiO2NP at 1 mg/kg as compared to the effects induced by medium and high concentrations of TiO2NP at 500 and 2000 mg/kg. After long-term exposure (60-day), the negative effects of TiO2NP at the low concentration disappeared, and the inhibition by TiO2NP of the abundance of core taxa was enhanced along with increasing exposure concentrations. However, although significant alterations were observed in the taxonomic composition over time and exposure concentrations, no significant change was observed in the community functional profile as well as enzyme activity after 60-day exposure, indicating that functional redundancy likely contributed to the bacterial community tolerance after the exposure to TiO2NP. Our study highlighted the importance of assessing bacterial community compositional and functional responses in assessing the environmental risk of nanoparticles on soil ecosystems.
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Affiliation(s)
- Yujia Zhai
- Institute of Environmental Sciences (CML), Leiden University, P.O. Box 9518, 2300, RA, Leiden, the Netherlands.
| | - Ellard R Hunting
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, UK
| | - Gang Liu
- Key Laboratory of Drinking Water Science and Technology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; Sanitary Engineering, Department of Water Management, Faculty of Civil Engineering and Geosciences, Delft University of Technology, P.O. Box 5048, 2600GA, Delft, the Netherlands.
| | - Elise Baas
- Institute of Environmental Sciences (CML), Leiden University, P.O. Box 9518, 2300, RA, Leiden, the Netherlands
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, P.O. Box 9518, 2300, RA, Leiden, the Netherlands; National Institute of Public Health and the Environment (RIVM), P.O. Box 1, Bilthoven, the Netherlands
| | - Martina G Vijver
- Institute of Environmental Sciences (CML), Leiden University, P.O. Box 9518, 2300, RA, Leiden, the Netherlands
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26
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Xu ML, Zhu YG, Gu KH, Zhu JG, Yin Y, Ji R, Du WC, Guo HY. Transcriptome Reveals the Rice Response to Elevated Free Air CO 2 Concentration and TiO 2 Nanoparticles. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:11714-11724. [PMID: 31509697 DOI: 10.1021/acs.est.9b02182] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Increasing CO2 levels are speculated to change the effects of engineered nanomaterials in soil and on plant growth. How plants will respond to a combination of elevated CO2 and nanomaterials stress has rarely been investigated, and the underlying mechanism remains largely unknown. Here, we conducted a field experiment to investigate the rice (Oryza sativa L. cv. IIyou) response to TiO2 nanoparticles (nano-TiO2, 0 and 200 mg kg-1) using a free-air CO2 enrichment system with different CO2 levels (ambient ∼370 μmol mol-1 and elevated ∼570 μmol mol-1). The results showed that elevated CO2 or nano-TiO2 alone did not significantly affect rice chlorophyll content and antioxidant enzyme activities. However, in the presence of nano-TiO2, elevated CO2 significantly enhanced the rice height, shoot biomass, and panicle biomass (by 9.4%, 12.8%, and 15.8%, respectively). Furthermore, the Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis revealed that genes involved in photosynthesis were up-regulated while most genes associated with secondary metabolite biosynthesis were down-regulated in combination-treated rice. This indicated that elevated CO2 and nano-TiO2 might stimulate rice growth by adjusting resource allocation between photosynthesis and metabolism. This study provides novel insights into rice responses to increasing contamination under climate change.
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Affiliation(s)
- Mei-Ling Xu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing 210023 , China
| | - Yong-Guan Zhu
- Key Lab of Urban Environment and Health, Institute of Urban Environment , Chinese Academy of Science , Xiamen 361021 , China
- State Key Lab of Urban and Regional Ecology, Research Center for Eco-environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
| | - Kai-Hua Gu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing 210023 , China
| | - Jian-Guo Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science , Chinese Academy of Science , Nanjing 210008 , China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing 210023 , China
| | - Rong Ji
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing 210023 , China
| | - Wen-Chao Du
- School of Environment , Nanjing Normal University , Nanjing 210023 , China
| | - Hong-Yan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment , Nanjing University , Nanjing 210023 , China
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27
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Thiagarajan V, M P, S A, R S, N C, G K S, Mukherjee A. Diminishing bioavailability and toxicity of P25 TiO 2 NPs during continuous exposure to marine algae Chlorella sp. CHEMOSPHERE 2019; 233:363-372. [PMID: 31176899 DOI: 10.1016/j.chemosphere.2019.05.270] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 05/24/2019] [Accepted: 05/29/2019] [Indexed: 06/09/2023]
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) find applications in our day-to-day life because of unique physicochemical properties. Their release into the aquatic environment poses a possible risk to the organisms. However, the continuing exposure of NPs might reduce their bioavailability to marine organisms owing to aggregation and sedimentation in the aqueous systems thus significantly reducing their toxic impact. In this regard, the present study investigates the effect of continuous exposure of TiO2 NPs to marine microalgae Chlorella sp. under UV-A irradiation through "tanks in series" mode of experiments. In a three-cycle experiment, concentration of TiO2 NPs in the first cycle was fixed at 62.6 μM, and the interacted nanoparticles was subsequently exposed to fresh batches of algae in the next two cycles. After the interaction, the NPs underwent severe aggregation (mean hydrodynamic diameter 3000 ± 18.2 nm after cycle I) leading to gravitational settling in the medium and thus decreased bioavailability. The aggregation can be attributed to interactions between the particles themselves (homo-aggregation) further aggravated by the presence of the algal cells (hetero-aggregation). Cellular viability after cycle I was found to be only 24.2 ± 2.5%, and it was enhanced to 96.5 ± 2.8% after the cycle III in the course of continuous exposure. The results were validated with estimation of oxidative stress markers such as intracellular ROS (total ROS, superoxide and hydroxyl radicals) and LPO after each cycle of exposure. The continuing decrease in the EPS across the cycles further confirmed the diminishing toxicity of the NPs.
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Affiliation(s)
- Vignesh Thiagarajan
- Centre for Nanobiotechnology, Vellore Institute of Technology (VIT), Vellore, 632014, India
| | - Pavani M
- Centre for Nanobiotechnology, Vellore Institute of Technology (VIT), Vellore, 632014, India
| | - Archanaa S
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences Building, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Seenivasan R
- Centre for Nanobiotechnology, Vellore Institute of Technology (VIT), Vellore, 632014, India
| | - Chandrasekaran N
- Centre for Nanobiotechnology, Vellore Institute of Technology (VIT), Vellore, 632014, India
| | - Suraishkumar G K
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences Building, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Amitava Mukherjee
- Centre for Nanobiotechnology, Vellore Institute of Technology (VIT), Vellore, 632014, India.
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28
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Zhang X, Xu Z, Wu M, Qian X, Lin D, Zhang H, Tang J, Zeng T, Yao W, Filser J, Li L, Sharma VK. Potential environmental risks of nanopesticides: Application of Cu(OH) 2 nanopesticides to soil mitigates the degradation of neonicotinoid thiacloprid. ENVIRONMENT INTERNATIONAL 2019; 129:42-50. [PMID: 31108392 DOI: 10.1016/j.envint.2019.05.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 04/19/2019] [Accepted: 05/09/2019] [Indexed: 06/09/2023]
Abstract
Cu(OH)2 nanopesticides and organic insecticides are continuously applied to soil at a temporal interval, while knowledge about the impact of Cu(OH)2 nanopesticides on organic insecticides degradation is currently scarce, resulting in poorly comprehensive evaluation of the potential environmental risks of Cu(OH)2 nanopesticides. Herein, a commercial Cu(OH)2 nanopesticide formulation (NPF), the active ingredient of NPF (AI-NPF), the prepared Cu(OH)2 nanotubes (NT) with comparable morphology and size to AI-NPF, and CuSO4 were respectively applied to soil at normal doses (0.5, 5 and 50 mg/kg), followed by an application of neonicotinoid thiacloprid after an interval of 21 d, showing that NPF at doses of 5 and 50 mg/kg significantly (p < 0.05) mitigated thiacloprid degradation compared to control and CuSO4. Furthermore, AI-NPF was the primary component that contributed to the mitigation effect of NPF, which was also validated by the NT. Large differences in the degradation efficiency of thiacloprid in sterilized and unsterilized soils with Cu(OH)2 nanopesticides suggested that biodegradation was the primary process responsible for thiacloprid degradation, especially as chemical degradation was negligible. Besides a decrease of thiacloprid bioavailability due to adsorption by Cu(OH)2 nanopesticides, we demonstrated that Cu(OH)2 nanopesticides changed soil microbial communities, reduced nitrile hydratase activity and down-regulated thiacloprid-degradative nth gene abundance, which thus mitigated thiacloprid biodegradation. Clearly, this study shed light on the potential environmental risks of Cu(OH)2 nanopesticide.
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Affiliation(s)
- Xiaoxia Zhang
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Zhenlan Xu
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Mansha Wu
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xiaoting Qian
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Daohui Lin
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Hangjun Zhang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China
| | - Juan Tang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China
| | - Tao Zeng
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Weijun Yao
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Juliane Filser
- UFT-Centre for Environmental Research and Sustainable Technology, Department General and Theoretical Ecology, Faculty 2 (Biology/Chemistry), University of Bremen, Bremen 28359, Germany
| | - Lingxiangyu Li
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China.
| | - Virender K Sharma
- Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station 77843, United States
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29
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Sánchez-López KB, De Los Santos-Ramos FJ, Gómez-Acata ES, Luna-Guido M, Navarro-Noya YE, Fernández-Luqueño F, Dendooven L. TiO 2 nanoparticles affect the bacterial community structure and Eisenia fetida (Savigny, 1826) in an arable soil. PeerJ 2019; 7:e6939. [PMID: 31380145 PMCID: PMC6661143 DOI: 10.7717/peerj.6939] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 04/11/2019] [Indexed: 01/08/2023] Open
Abstract
The amount of nanoparticles (NP), such as TiO2, has increased substantially in the environment. It is still largely unknown, however, how NP might interact with earthworms and organic material and how this might affect the bacterial community structure and their functionality. Therefore, an arable soil was amended with TiO2 NP at 0, 150 or 300 mg kg−1 and subjected to different treatments. Treatments were soil amended with ten earthworms (Eisenia fetida (Savigny, 1826)) with fully developed clitellum and an average fresh mass of 0.5 to 500 g dry soil, 1.75 g tyndallized Quaker® oat seeds Avena sativa (L.) kg−1, or earthworms plus oat seeds, or left unamended. The bacterial community structure was monitored throughout the incubation period. The bacterial community in the unamended soil changed over time and application of oats, earthworm and a combination of both even further, with the largest change found in the latter. Application of NP to the unamended soil and the earthworm-amended soil altered the bacterial community, but combining it by adding oats negated that effect. It was found that the application of organic material, that is, oats, reduced the effect of the NP applied to soil. However, as the organic material applied was mineralized by the soil microorganisms, the effect of NP increased again over time.
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Affiliation(s)
- Katia Berenice Sánchez-López
- Nanoscience and Nanotechnology Program, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Francisco J De Los Santos-Ramos
- Department of Physiology, Biophysics and Neuroscience, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Elizabeth Selene Gómez-Acata
- Department of Biotechnology, Centro de investigación y de estudios avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Marco Luna-Guido
- Department of Biotechnology, Centro de investigación y de estudios avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Yendi E Navarro-Noya
- CONACYT Cathedra, Tlaxcala Center of the Behavior Biology, Autonomous University of Tlaxcala, Tlaxcala, Mexico
| | - Fabián Fernández-Luqueño
- Nanoscience and Nanotechnology Program, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Luc Dendooven
- Department of Biotechnology, Centro de investigación y de estudios avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
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30
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Lewis RW, Bertsch PM, McNear DH. Nanotoxicity of engineered nanomaterials (ENMs) to environmentally relevant beneficial soil bacteria - a critical review. Nanotoxicology 2019; 13:392-428. [PMID: 30760121 DOI: 10.1080/17435390.2018.1530391] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Deposition of engineered nanomaterials (ENMs) in various environmental compartments is projected to continue rising exponentially. Terrestrial environments are expected to be the largest repository for environmentally released ENMs. Because ENMs are enriched in biosolids during wastewater treatment, agriculturally applied biosolids facilitate ENM exposure of key soil micro-organisms, such as plant growth-promoting rhizobacteria (PGPR). The ecological ramifications of increasing levels of ENM exposure of terrestrial micro-organisms are not clearly understood, but a growing body of research has investigated the toxicity of ENMs to various soil bacteria using a myriad of toxicity end-points and experimental procedures. This review explores what is known regarding ENM toxicity to important soil bacteria, with a focus on ENMs which are expected to accumulate in terrestrial ecosystems at the highest concentrations and pose the greatest potential threat to soil micro-organisms having potential indirect detrimental effects on plant growth. Knowledge gaps in the fundamental understanding of nanotoxicity to bacteria are identified, including the role of physicochemical properties of ENMs in toxicity responses, particularly in agriculturally relevant micro-organisms. Strategies for improving the impact of future research through the implementation of in-depth ENM characterization and use of necessary experimental controls are proposed. The future of nanotoxicological research employing microbial ecoreceptors is also explored, highlighting the need for continued research utilizing bacterial isolates while concurrently expanding efforts to study ENM-bacteria interactions in more complex environmentally relevant media, e.g. soil. Additionally, the particular importance of future work to extensively examine nanotoxicity in the context of bacterial ecosystem function, especially of plant growth-promoting agents, is proposed.
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Affiliation(s)
- Ricky W Lewis
- a Rhizosphere Science Laboratory, Department of Plant and Soil Sciences , University of Kentucky , Lexington , KY , USA
| | - Paul M Bertsch
- a Rhizosphere Science Laboratory, Department of Plant and Soil Sciences , University of Kentucky , Lexington , KY , USA.,b CSIRO Land and Water , Ecosciences Precinct , Brisbane , Australia.,c Center for the Environmental Implications of Nanotechnology (CEINT) , Duke University , Durham , NC , USA
| | - David H McNear
- a Rhizosphere Science Laboratory, Department of Plant and Soil Sciences , University of Kentucky , Lexington , KY , USA
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Vijayaraj V, Liné C, Cadarsi S, Salvagnac C, Baqué D, Elger A, Barret M, Mouchet F, Larue C. Transfer and Ecotoxicity of Titanium Dioxide Nanoparticles in Terrestrial and Aquatic Ecosystems: A Microcosm Study. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:12757-12764. [PMID: 30335981 DOI: 10.1021/acs.est.8b02970] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
With the advancement in nanotechnology, particularly the use of TiO2 nanoparticles (NPs), there is a need to study their release into the environment and assess the related risk in an environmentally relevant contamination scenario. In the present study, the transfer and toxicity of TiO2 NPs in microcosms mimicking terrestrial and aquatic ecosystems were evaluated. The contaminated soil was prepared by spiking natural soils, with these then used as the basis for all exposure systems including preparation of soil leachates for amphibian exposure. Results demonstrated significant reductions in bacterial (-45%) and archaeal (-36%) nitrifier abundance; significant translocation of Ti to M. truncatula leaves (+422%); significant reductions in plant height (-17%), number of leaves (-29%), and aboveground biomass (-53%); nonsignificant Ti uptake in snail foot and viscera, and excretion in feces; and genotoxicity to X. laevis larvae (+119% micronuclei). Our study highlights a possible risk of engineered TiO2 NPs in the environment in terms of trophic transfer and toxicity in both terrestrial and aquatic environments.
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Affiliation(s)
| | - Clarisse Liné
- EcoLab , Université de Toulouse , CNRS, Toulouse , France
| | | | | | - David Baqué
- EcoLab , Université de Toulouse , CNRS, Toulouse , France
| | - Arnaud Elger
- EcoLab , Université de Toulouse , CNRS, Toulouse , France
| | - Maialen Barret
- EcoLab , Université de Toulouse , CNRS, Toulouse , France
| | | | - Camille Larue
- EcoLab , Université de Toulouse , CNRS, Toulouse , France
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Zhang Y, Virjamo V, Sobuj N, Du W, Yin Y, Nybakken L, Guo H, Julkunen-Tiitto R. Sex-related responses of European aspen (Populus tremula L.) to combined stress: TiO 2 nanoparticles, elevated temperature and CO 2 concentration. JOURNAL OF HAZARDOUS MATERIALS 2018; 352:130-138. [PMID: 29602072 DOI: 10.1016/j.jhazmat.2018.03.031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 02/24/2018] [Accepted: 03/19/2018] [Indexed: 06/08/2023]
Abstract
The combined effects of climate change and chemical contaminants on plant performance are still not well understood. Especially, whether different sexes of dioecious plants respond differently to combined stresses is unknown. In order to study the sex-related responses of European aspen to soil nTiO2 contamination (0, 50, 300 mg kg-1) under elevated temperature (+1.6 °C) and CO2 (730 ppm), we conducted a study in greenhouses. Ti accumulated in roots exposed to nTiO2 (1.1-3.3 and 2.7-21.1 mg kg-1 in 50 and 300 mg kg-1 treatments, respectively). Elevated CO2 had no effects on Ti uptake, while elevated temperature increased it in the 300 mg kg-1 treatment. Males grew taller than females under ambient conditions, but females had greater height and biomass increment under elevated temperature. In all climate treatments, nTiO2 increased leaf phenolics in females by 12-19% and 15-26% at 50 and 300 mg kg-1, respectively. Leaf phenolics decreased under elevated temperature, but increased under elevated CO2 in both sexes. Results suggest that females have better chemical defense against nTiO2 than males under future climate conditions. In the longer run, this may cause changes in the competitive abilities of both sexes, which again may affect sex ratios and genetic variation in nature.
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Affiliation(s)
- Yaodan Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Nanjing, China; Department of Environmental and Biological Sciences, University of Eastern Finland, 80101 Joensuu, Finland
| | - Virpi Virjamo
- Department of Environmental and Biological Sciences, University of Eastern Finland, 80101 Joensuu, Finland
| | - Norul Sobuj
- Department of Environmental and Biological Sciences, University of Eastern Finland, 80101 Joensuu, Finland
| | - Wenchao Du
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Nanjing, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Nanjing, China
| | - Line Nybakken
- Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, 1432 Ås, Norway
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Nanjing, China.
| | - Riitta Julkunen-Tiitto
- Department of Environmental and Biological Sciences, University of Eastern Finland, 80101 Joensuu, Finland
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Huang J, Zhang X, Liang C, Hu J. Impact of TiO 2 on the chemical and biological transformation of formulated chiral-metalaxyl in agricultural soils. JOURNAL OF HAZARDOUS MATERIALS 2018; 348:67-74. [PMID: 29367134 DOI: 10.1016/j.jhazmat.2018.01.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 01/04/2018] [Accepted: 01/17/2018] [Indexed: 06/07/2023]
Abstract
The impacts of TiO2 on the chemical and biological transformation of racemic metalaxyl wettable powder (rac-metalaxyl WP) in agricultural soils, and soil microorganisms were investigated. Under simulated solar irradiation, TiO2 highly promoted the transformation of rac-metalaxyl WP without changing the enantiomer fraction, with the promotion amplitude (60-1280%) being dependent on TiO2 characteristics. TiO2 characteristics showed different influence on the transformation of rac-metalaxyl WP in soils and aqueous solutions because their characteristics changed differently in soils. The impact of the mancozeb and other co-constituents on the transformation of rac-metalaxyl WP was smaller in soil media than in aqueous solution. Autoclave sterilization changed soil properties and subsequently weakened the promotion effects of TiO2 on the chemical transformations of rac-metalaxyl WP to 0-233%. Microorganism biomass and bacterial community were not statistically significant changed by TiO2 exposure regardless of rac-metalaxyl WP, suggesting that the promotional effects occurred mainly through chemical processes. The results also showed TiO2-soil interactions may be strengthened with TiO2 (Degussa P25) aging time in soils, which decreased its promotion amplitude from 1060% (without aging) to 880% (aging for 20 days). Intermediate formed in soil biological transformation process was different from that in TiO2 photocatalysis process.
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Affiliation(s)
- Junxing Huang
- School of Resources and Environmental Science, Wuhan University, Wuhan, 430079, PR China
| | - Xu Zhang
- School of Resources and Environmental Science, Wuhan University, Wuhan, 430079, PR China.
| | - Chuanzhou Liang
- School of Resources and Environmental Science, Wuhan University, Wuhan, 430079, PR China
| | - Jun Hu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, PR China
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Asadishad B, Chahal S, Akbari A, Cianciarelli V, Azodi M, Ghoshal S, Tufenkji N. Amendment of Agricultural Soil with Metal Nanoparticles: Effects on Soil Enzyme Activity and Microbial Community Composition. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:1908-1918. [PMID: 29356510 DOI: 10.1021/acs.est.7b05389] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Several types of engineered nanoparticles (ENPs) are being considered for direct application to soils to reduce the application and degradation of pesticides, provide micronutrients, control pathogens, and increase crop yields. This study examined the effects of different metal ENPs and their dissolved ions on the microbial community composition and enzyme activity of agricultural soil amended with biosolids. The activity of five extracellular nutrient-cycling enzymes was measured in biosolid-amended soils treated with different concentrations (1, 10, or 100 mg ENP/kg soil) of silver (nAg), zinc oxide (nZnO), copper oxide (nCuO), or titanium dioxide (nTiO2) nanoparticles and their ions over a 30-day period. At 30 days, nZnO and nCuO either had no significant effect on soil enzyme activity or enhanced enzyme activity. In contrast, Ag inhibited selected enzymes when dosed in particulate or dissolved form (at 100 mg/kg). nTiO2 either had no significant effect or slightly decreased enzyme activity. Illumina MiSeq sequencing of microbial communities indicated a shift in soil microbial community composition upon exposure to high doses of metal ions or nAg and negligible shift in the presence of nTiO2. Some taxa responded differently to nAg and Ag+. This work shows how metal ENPs can impact soil enzyme activity and microbial community composition upon introduction into soils amended with biosolids, depending on their type, concentration, and dissolution behavior, hence providing much needed information for the sustainable application of nanotechnology in agriculture.
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Affiliation(s)
- Bahareh Asadishad
- Department of Chemical Engineering, McGill University , Montreal, Quebec H3A 0C5, Canada
| | - Shawninder Chahal
- Department of Chemical Engineering, McGill University , Montreal, Quebec H3A 0C5, Canada
| | - Ali Akbari
- Department of Civil Engineering, McGill University , Montreal, Quebec H3A 0C3, Canada
| | - Vanessa Cianciarelli
- Department of Chemical Engineering, McGill University , Montreal, Quebec H3A 0C5, Canada
| | - Mehrnoosh Azodi
- Department of Civil Engineering, McGill University , Montreal, Quebec H3A 0C3, Canada
| | - Subhasis Ghoshal
- Department of Civil Engineering, McGill University , Montreal, Quebec H3A 0C3, Canada
| | - Nathalie Tufenkji
- Department of Chemical Engineering, McGill University , Montreal, Quebec H3A 0C5, Canada
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Therkorn J, Calderon L, Cartledge B, Thomas N, Majestic B, Mainelis G. Inactivation of Pure Bacterial Biofilms by Impaction of Aerosolized Consumer Products Containing Nanoparticulate Metals. ENVIRONMENTAL SCIENCE. NANO 2018; 5:544-555. [PMID: 29755737 PMCID: PMC5944860 DOI: 10.1039/c7en00972k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The ability of nanotechnology-enabled consumer sprays to inactivate bacteria has direct health implications. This research investigated the ability of six nanosilver-based consumer sprays to inactivate bacteria. We determined the minimal inhibitory concentrations (MICs) of the products by an agar dilution method, collected particles released from sprays onto bacterial films using impactors, and determined metal concentrations in the products using ICPMS. Also, the size of silver nanoparticles in the products' suspensions was determined using single particle (sp)ICPMS. Two of the six nanoproducts inhibited growth of Escherichia coli and Bacillus atrophaeus bacteria (MICs of 40,000 and 160,000 ppm). Collection of particles aerosolized from these two products onto films of the same bacteria inhibited bacterial growth; however, the mass concentration deposited onto bacterial films was lower than the MICs. Furthermore, these two nanoproducts had the lowest silver concentrations compared to the other four nanosilver products. Yet, they had the smallest nanosilver particles: mean size of ~20 to 30 nm vs. ~45 nm for the other products. Their suspensions were more acidic (pH ~3-5) and had higher concentrations of zinc and magnesium compared to other products. This research illustrates that some consumer nanoproducts have antibacterial potential and may affect our microbiota. Yet, the inactivation potential cannot solely be presumed based on the nanosilver presence and concentration in the product; the final nanoproduct's form, including its matrix, must be considered. As nanomaterials are increasingly incorporated into consumer goods, this research highlights the need to investigate final-form consumer nanoproducts and their potential to affect our microbial environment.
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Affiliation(s)
- Jennifer Therkorn
- Department of Environmental Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ
| | - Leonardo Calderon
- Department of Environmental Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ
| | - Benton Cartledge
- Department of Chemistry and Biochemistry, University of Denver, Denver, CO
| | - Nirmala Thomas
- Department of Environmental Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ
| | - Brian Majestic
- Department of Chemistry and Biochemistry, University of Denver, Denver, CO
| | - Gediminas Mainelis
- Department of Environmental Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ
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Xiong T, Yuan X, Wang H, Leng L, Li H, Wu Z, Jiang L, Xu R, Zeng G. Implication of graphene oxide in Cd-contaminated soil: A case study of bacterial communities. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 205:99-106. [PMID: 28968591 DOI: 10.1016/j.jenvman.2017.09.067] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 09/21/2017] [Accepted: 09/23/2017] [Indexed: 06/07/2023]
Abstract
The application of graphene oxide (GO) has attracted increasing concerns in the past decade regarding its environmental impacts, except for the impact of GO on a metal-contaminated soil system, due to its special properties. In the present work, the effects of GO on the migration and transformation of heavy metals and soil bacterial communities in Cd-contaminant soil were systematically evaluated. Soil samples were exposed to different doses of GO (0, 1, and 2 g kg-1) over 60 days. The Community Bureau of Reference (BCR) sequential extraction procedure was used to reflect the interaction between GO and Cd. Several microbial parameters, including enzyme activities and bacterial community structure, were measured to determine the impacts of GO on polluted soil microbial communities. It was shown that Cd was immobilized by GO throughout the entire exposure period. Interestingly, the structure of the bacterial community changed. The relative abundance of the major bacterial phyla (e.g., Acidobacteria and Actinobacteria) increased, which was possibly attributed to the reduced toxicity of Cd in the presence of GO. However, GO exerted an adverse influence on the relative abundance of some phyla (e.g., WD272 and TM6). The diversity of bacterial communities was slightly restricted. The functional bacteria related to carbon and the nitrogen cycling were also affected, which, consequently, may influence the nutrient cycling in soil.
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Affiliation(s)
- Ting Xiong
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Xingzhong Yuan
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China.
| | - Hou Wang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Lijian Leng
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Hui Li
- Institute of Biological Environmental Engineering, Hunan Academy of Forestry, Changsha 410004, PR China
| | - Zhibin Wu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Longbo Jiang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Rui Xu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
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Jahan S, Yusoff IB, Alias YB, Bakar AFBA. Reviews of the toxicity behavior of five potential engineered nanomaterials (ENMs) into the aquatic ecosystem. Toxicol Rep 2017; 4:211-220. [PMID: 28959641 PMCID: PMC5615119 DOI: 10.1016/j.toxrep.2017.04.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 03/07/2017] [Accepted: 04/02/2017] [Indexed: 01/03/2023] Open
Abstract
Presently, engineered nanomaterials (ENMs) are used in a wide variety of commercial applications, resulting in an uncontrolled introduction into the aquatic environment. The purpose of this review is to summarize the pathways and factors that controlling the transport and toxicity of five extensively used ENMs. These toxicological pathways are of great importance and need to be addressed for sustainable implications of ENMs without environmental liabilities. Here we discuss five potentially utilized ENMs with their possible toxicological risk factors to aquatic plants, vertebrates model and microbes. Moreover, the key effect of ENMs surface transformations by significant reaction with environmental objects such as dissolved natural organic matter (DOM) and the effect of ENMs surface coating and surface charge will also be debated. The transformations of ENMs are subsequently facing a major ecological transition that is expected to create a substantial toxicological effect towards the ecosystem. These transformations largely involve chemical and physical processes, which depend on the properties of both ENMs and the receiving medium. In this review article, the critical issues that controlling the transport and toxicity of ENMs are reviewed by exploiting the latest reports and future directions and targets are keenly discussed to minimize the pessimistic effects of ENMs.
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Affiliation(s)
- Shanaz Jahan
- Department of Geology, Environmental and Earth Sciences, Faculty of Science, University Malaya, Kuala Lumpur, 50603, Malaysia
| | - Ismail Bin Yusoff
- Department of Geology, Environmental and Earth Sciences, Faculty of Science, University Malaya, Kuala Lumpur, 50603, Malaysia
| | - Yatimah Binti Alias
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, 50603, Malaysia
- University Malaya Centre for Ionic Liquids (UMCiL), University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Ahmad Farid Bin Abu Bakar
- Department of Geology, Environmental and Earth Sciences, Faculty of Science, University Malaya, Kuala Lumpur, 50603, Malaysia
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Milošević M, Krkobabić A, Radoičić M, Šaponjić Z, Radetić T, Radetić M. Biodegradation of cotton and cotton/polyester fabrics impregnated with Ag/TiO2 nanoparticles in soil. Carbohydr Polym 2017; 158:77-84. [DOI: 10.1016/j.carbpol.2016.12.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 11/29/2016] [Accepted: 12/02/2016] [Indexed: 10/20/2022]
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Du W, Gardea-Torresdey JL, Xie Y, Yin Y, Zhu J, Zhang X, Ji R, Gu K, Peralta-Videa JR, Guo H. Elevated CO 2 levels modify TiO 2 nanoparticle effects on rice and soil microbial communities. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 578:408-416. [PMID: 27838053 DOI: 10.1016/j.scitotenv.2016.10.197] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 10/25/2016] [Accepted: 10/25/2016] [Indexed: 06/06/2023]
Abstract
Evidence suggests that CO2 modifies the behavior of nanomaterials. Thus, in a few decades, plants might be exposed to additional stress if atmospheric levels of CO2 and the environmental burden of nanomaterials increase at the current pace. Here, we used a full-size free-air CO2 enrichment (FACE) system in farm fields to investigate the effect of elevated CO2 levels on phytotoxicity and microbial toxicity of nTiO2 (0, 50, and 200mgkg-1) in a paddy soil system. Results show that nTiO2 did not induce visible signs of toxicity in rice plants cultivated at the ambient CO2 level (370μmolmol-1), but under the high CO2 concentration (570μmolmol-1) nTiO2 significantly reduced rice biomass by 17.9% and 22.1% at 50mgkg-1 and 200mgkg-1, respectively, and grain yield by 20.8% and 44.1% at 50mgkg-1 and 200mgkg-1, respectively. In addition, at the high CO2 concentration, nTiO2 at 200mgkg-1 increased accumulation of Ca, Mg, Mn, P, Zn, and Ti by 22.5%, 16.8%, 29.1%, 7.4%, 15.7% and 8.6%, respectively, but reduced fat and total sugar by 11.2% and 25.5%, respectively, in grains. Such conditions also changed the functional composition of soil microbial communities, alerting specific phyla of bacteria and the diversity and richness of protista. Overall, this study suggests that increases in CO2 levels would modify the effects of nTiO2 on the nutritional quality of crops and function of soil microbial communities, with unknown implications for future economics and human health.
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Affiliation(s)
- Wenchao Du
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, China
| | - Jorge L Gardea-Torresdey
- Department of Chemistry, The University of Texas at El Paso, TX 79968, United States; Environmental Science and Engineering PhD program, The University of Texas at El Paso, El Paso, TX 79968, United States; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, El Paso, TX 79968, United States
| | - Yuwei Xie
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, China
| | - Jianguo Zhu
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Science, Nanjing 210008, China
| | - Xiaowei Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, China
| | - Rong Ji
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, China
| | - Kaihua Gu
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, China
| | - Jose R Peralta-Videa
- Department of Chemistry, The University of Texas at El Paso, TX 79968, United States; Environmental Science and Engineering PhD program, The University of Texas at El Paso, El Paso, TX 79968, United States; University of California Center for Environmental Implications of Nanotechnology (UC CEIN), The University of Texas at El Paso, El Paso, TX 79968, United States
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210046, China.
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Mishra S, Keswani C, Abhilash PC, Fraceto LF, Singh HB. Integrated Approach of Agri-nanotechnology: Challenges and Future Trends. FRONTIERS IN PLANT SCIENCE 2017; 8:471. [PMID: 28421100 PMCID: PMC5378785 DOI: 10.3389/fpls.2017.00471] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Accepted: 03/17/2017] [Indexed: 05/05/2023]
Abstract
Nanotechnology representing a new frontier in modern agriculture is anticipated to become a major thrust in near future by offering potential applications. This integrating approach, i.e., agri-nanotechnology has great potential to cope with global challenges of food production/security, sustainability and climate change. However, despite the potential benefits of nanotechnology in agriculture so far, their relevance has not reached up to the field conditions. The elevating concerns about fate, transport, bioavailability, nanoparticles toxicity and inappropriateness of regulatory framework limit the complete acceptance and inclination to adopt nanotechnologies in agricultural sector. Moreover, the current research trends lack realistic approach that fail to attain comprehensive knowledge of risk assessment factors and further toxicity of nanoparticles toward agroecosystem components viz. plant, soil, soil microbiomes after their release into the environment. Hence in the present review we attempt to suggest certain key points to be addressed in the current and future agri-nanotechnology researches on the basis of recognized knowledge gaps with strong recommendation of incorporating biosynthesized nanoparticles to carry out analogous functions. In this perspective, the major points are as follows: (i) Mitigating risk assessment factors (responsible for fate, transport, behavior, bioavailability and toxicity) for alleviating the subsequent toxicity of nanoparticles. (ii) Optimizing permissible level of nanoparticles dose within the safety limits by performing dose dependent studies. (iii) Adopting realistic approach by designing the experiments in natural habitat and avoiding in vitro assays for accurate interpretation. (iv) Most importantly, translating environmental friendly and non-toxic biosynthesized nanoparticles from laboratory to field conditions for agricultural benefits.
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Affiliation(s)
- Sandhya Mishra
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu UniversityVaranasi, India
| | - Chetan Keswani
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu UniversityVaranasi, India
| | - P. C. Abhilash
- Institute of Environment and Sustainable Development, Banaras Hindu UniversityVaranasi, India
| | - Leonardo F. Fraceto
- Laboratory of Environmental Nanotechnology, Institute of Science and Technology of Sorocaba, São Paulo State UniversitySão Paulo, Brazil
- *Correspondence: Harikesh Bahadur Singh, Leonardo F. Fraceto,
| | - Harikesh Bahadur Singh
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu UniversityVaranasi, India
- *Correspondence: Harikesh Bahadur Singh, Leonardo F. Fraceto,
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Habibul N, Hu Y, Sheng GP. Microbial fuel cell driving electrokinetic remediation of toxic metal contaminated soils. JOURNAL OF HAZARDOUS MATERIALS 2016; 318:9-14. [PMID: 27388419 DOI: 10.1016/j.jhazmat.2016.06.041] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 06/06/2016] [Accepted: 06/21/2016] [Indexed: 06/06/2023]
Abstract
An investigation of the feasibility of in-situ electrokinetic remediation for toxic metal contaminated soil driven by microbial fuel cell (MFC) is presented. Results revealed that the weak electricity generated from MFC could power the electrokinetic remediation effectively. The metal removal efficiency and its influence on soil physiological properties were also investigated. With the electricity generated through the oxidation of organics in soils by microorganisms, the metals in the soils would mitigate from the anode to the cathode. The concentrations of Cd and Pb in the soils increased gradually through the anode to the cathode regions after remediation. After about 143days and 108 days' operation, the removal efficiencies of 31.0% and 44.1% for Cd and Pb at the anode region could be achieved, respectively. Soil properties such as pH and soil conductivity were also significantly redistributed from the anode to the cathode regions. The study shows that the MFC driving electrokinetic remediation technology is cost-effective and environmental friendly, with a promising application in soil remediation.
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Affiliation(s)
- Nuzahat Habibul
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026 China; College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China
| | - Yi Hu
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026 China
| | - Guo-Ping Sheng
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Chemistry, University of Science and Technology of China, Hefei 230026 China.
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Fan W, Liu T, Li X, Peng R, Zhang Y. Nano-TiO 2 affects Cu speciation, extracellular enzyme activity, and bacterial communities in sediments. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 218:77-85. [PMID: 27552040 DOI: 10.1016/j.envpol.2016.08.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 08/01/2016] [Accepted: 08/04/2016] [Indexed: 06/06/2023]
Abstract
In aquatic ecosystems, titanium dioxide nanoparticles (nano-TiO2) coexist with heavy metals and influence the existing forms and toxicities of the metal in water. However, limited information is available regarding the ecological risk of this coexistence in sediments. In this study, the effect of nano-TiO2 on Cu speciation in sediments was investigated using sequential extraction. The microcosm approach was also employed to analyze the effects of the coexistence of nano-TiO2 and Cu on extracellular enzyme activity and bacterial communities in sediments. Results showed that nano-TiO2 decreased the organic matter-bound fraction of Cu and increased the corresponding residual fraction Cu. As a result, speciation of exogenous Cu in sediments changed. During the course of the 30-day experiment, the presence of nano-TiO2 did not affect Cu-induced changes in bacterial community structure. However, the coexistence of nano-TiO2 and Cu restrained the activity of bacterial extracellular enzymes, such as alkaline phosphatase and β-glucosidase. The degree of inhibition also varied because of the different properties of extracellular enzymes. This research highlighted the importance of understanding and predicting the effects of the coexistence of nanomaterials and other pollutants in sediments.
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Affiliation(s)
- Wenhong Fan
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing 100191, PR China.
| | - Tong Liu
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing 100191, PR China
| | - Xiaomin Li
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing 100191, PR China
| | - Ruishuang Peng
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing 100191, PR China
| | - Yilin Zhang
- Department of Environmental Science and Engineering, School of Space and Environment, Beihang University, Beijing 100191, PR China
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Holden PA, Gardea-Torresdey J, Klaessig F, Turco RF, Mortimer M, Hund-Rinke K, Hubal EAC, Avery D, Barceló D, Behra R, Cohen Y, Deydier-Stephan L, Lee Ferguson P, Fernandes TF, Harthorn BH, Henderson WM, Hoke RA, Hristozov D, Johnston JM, Kane AB, Kapustka L, Keller AA, Lenihan HS, Lovell W, Murphy CJ, Nisbet RM, Petersen EJ, Salinas ER, Scheringer M, Sharma M, Speed DE, Sultan Y, Westerhoff P, White JC, Wiesner MR, Wong EM, Xing B, Horan MS, Godwin HA, Nel AE. Considerations of Environmentally Relevant Test Conditions for Improved Evaluation of Ecological Hazards of Engineered Nanomaterials. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:6124-45. [PMID: 27177237 PMCID: PMC4967154 DOI: 10.1021/acs.est.6b00608] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Engineered nanomaterials (ENMs) are increasingly entering the environment with uncertain consequences including potential ecological effects. Various research communities view differently whether ecotoxicological testing of ENMs should be conducted using environmentally relevant concentrations-where observing outcomes is difficult-versus higher ENM doses, where responses are observable. What exposure conditions are typically used in assessing ENM hazards to populations? What conditions are used to test ecosystem-scale hazards? What is known regarding actual ENMs in the environment, via measurements or modeling simulations? How should exposure conditions, ENM transformation, dose, and body burden be used in interpreting biological and computational findings for assessing risks? These questions were addressed in the context of this critical review. As a result, three main recommendations emerged. First, researchers should improve ecotoxicology of ENMs by choosing test end points, duration, and study conditions-including ENM test concentrations-that align with realistic exposure scenarios. Second, testing should proceed via tiers with iterative feedback that informs experiments at other levels of biological organization. Finally, environmental realism in ENM hazard assessments should involve greater coordination among ENM quantitative analysts, exposure modelers, and ecotoxicologists, across government, industry, and academia.
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Affiliation(s)
- Patricia A. Holden
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Jorge Gardea-Torresdey
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Department of Chemistry, Environmental Science and Engineering PhD Program, University of Texas, El Paso, Texas 79968, United States
| | - Fred Klaessig
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Pennsylvania Bio Nano Systems, Doylestown, Pennsylvania 18901, United States
| | - Ronald F. Turco
- College of Agriculture, Laboratory for Soil Microbiology, Purdue University, West Lafayette, Indiana 47907, United States
| | - Monika Mortimer
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Laboratory of Environmental Toxicology, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia
| | - Kerstin Hund-Rinke
- Fraunhofer Institute for Molecular Biology and Applied Ecology, D-57392 Schmallenberg, Germany
| | - Elaine A. Cohen Hubal
- Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711, United States
| | - David Avery
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Damià Barceló
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona 08034, Spain
- Institut Català de Recerca de l’Aigua (ICRA), Parc Científic i Tecnològic de la Universitat de Girona, Girona 17003, Spain
| | - Renata Behra
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
- Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland
| | - Yoram Cohen
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California Los Angeles, California 90095, United States
- Chemical and Biomolecular Engineering Department, University of California Los Angeles, California 90095, United States
| | | | - Patrick Lee Ferguson
- Department of Civil & Environmental Engineering, Duke University, Durham, North Carolina 27708, United States
- Center for the Environmental Implications of NanoTechnology (CEINT), Duke University, Durham, North Carolina 27708, United States
| | | | - Barbara Herr Harthorn
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Center for Nanotechnology in Society, University of California, Santa Barbara, California 93106
- Department of Anthropology, University of California, Santa Barbara, California 93106
| | - William Matthew Henderson
- Office of Research and Development, National Exposure Research Laboratory, U.S. Environmental Protection Agency, Athens, Georgia 30605, United States
| | - Robert A. Hoke
- E.I. du Pont de Nemours and Company, Newark, Delaware 19711, United States
| | - Danail Hristozov
- Department of Environmental Sciences, Informatics and Statistics, University Ca' Foscari Venice, Venice 30123, Italy
| | - John M. Johnston
- Office of Research and Development, National Exposure Research Laboratory, U.S. Environmental Protection Agency, Athens, Georgia 30605, United States
| | - Agnes B. Kane
- Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island 02912, United States
| | | | - Arturo A. Keller
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Hunter S. Lenihan
- Bren School of Environmental Science and Management, University of California, Santa Barbara, California 93106, United States
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Wess Lovell
- Vive Crop Protection Inc, Toronto, Ontario M5G 1L6, Canada
| | - Catherine J. Murphy
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Roger M. Nisbet
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, California 93106, United States
| | - Elijah J. Petersen
- Biosystems and Biomaterials Division, Material Measurement Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Edward R. Salinas
- BASF SE, Experimental Toxicology and Ecology, Ludwigshafen, D-67056, Germany
| | - Martin Scheringer
- Institute for Chemical and Bioengineering, ETH Zürich, 8093 Zürich, Switzerland
| | - Monita Sharma
- PETA International Science Consortium, Ltd., London N1 9RL, England, United Kingdom
| | - David E. Speed
- Globalfoundries, Corporate EHS, Hopewell Junction, New York 12533, United States
| | - Yasir Sultan
- Environment Canada, Gatineau, Quebec J8X 4C8, Canada
| | - Paul Westerhoff
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, Arizona 85287, United States
| | - Jason C. White
- Department of Analytical Chemistry, The Connecticut Agricultural Experiment Station, New Haven, Connecticut 06504, United States
| | - Mark R. Wiesner
- Department of Civil & Environmental Engineering, Duke University, Durham, North Carolina 27708, United States
- Center for the Environmental Implications of NanoTechnology (CEINT), Duke University, Durham, North Carolina 27708, United States
| | - Eva M. Wong
- Office of Pollution Prevention and Toxics, U.S. Environmental Protection Agency, Washington, D.C. 20460, United States
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Meghan Steele Horan
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
| | - Hilary A. Godwin
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California Los Angeles, California 90095, United States
- Department of Environmental Health Sciences, Fielding School of Public Health, University of California, Los Angeles, California 90095, United States
- Institute of the Environment and Sustainability, University of California, Los Angeles, California 90095, United States
| | - André E. Nel
- University of California Center for Environmental Implications of Nanotechnology (UC CEIN), University of California, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California Los Angeles, California 90095, United States
- Division of NanoMedicine, Department of Medicine, University of California, Los Angeles, California 90095, United States
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Ge Y, Priester JH, Mortimer M, Chang CH, Ji Z, Schimel JP, Holden PA. Long-Term Effects of Multiwalled Carbon Nanotubes and Graphene on Microbial Communities in Dry Soil. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:3965-3974. [PMID: 26962674 DOI: 10.1021/acs.est.5b05620] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Little is known about the long-term effects of engineered carbonaceous nanomaterials (ECNMs) on soil microbial communities, especially when compared to possible effects of natural or industrial carbonaceous materials. To address these issues, we exposed dry grassland soil for 1 year to 1 mg g(-1) of either natural nanostructured material (biochar), industrial carbon black, three types of multiwalled carbon nanotubes (MWCNTs), or graphene. Soil microbial biomass was assessed by substrate induced respiration and by extractable DNA. Bacterial and fungal communities were examined by terminal restriction fragment length polymorphism (T-RFLP). Microbial activity was assessed by soil basal respiration. At day 0, there was no treatment effect on soil DNA or T-RFLP profiles, indicating negligible interference between the amended materials and the methods for DNA extraction, quantification, and community analysis. After a 1-year exposure, compared to the no amendment control, some treatments reduced soil DNA (e.g., biochar, all three MWCNT types, and graphene; P < 0.05) and altered bacterial communities (e.g., biochar, carbon black, narrow MWCNTs, and graphene); however, there were no significant differences across the amended treatments. These findings suggest that ECNMs may moderately affect dry soil microbial communities but that the effects are similar to those from natural and industrial carbonaceous materials, even after 1-year exposure.
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Affiliation(s)
- Yuan Ge
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences , Beijing 100085, China
| | | | - Monika Mortimer
- Laboratory of Environmental Toxicity, National Institute of Chemical Physics and Biophysics , Akadeemia tee 23, 12618 Tallinn, Estonia
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45
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Read DS, Matzke M, Gweon HS, Newbold LK, Heggelund L, Ortiz MD, Lahive E, Spurgeon D, Svendsen C. Soil pH effects on the interactions between dissolved zinc, non-nano- and nano-ZnO with soil bacterial communities. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:4120-4128. [PMID: 25903189 DOI: 10.1007/s11356-015-4538-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 04/12/2015] [Indexed: 06/04/2023]
Abstract
Zinc oxide nanoparticles (ZnO NPs) are used in an array of products and processes, ranging from personal care products to antifouling paints, textiles, food additives, antibacterial agents and environmental remediation processes. Soils are an environment likely to be exposed to manmade nanoparticles due to the practice of applying sewage sludge as a fertiliser or as an organic soil improver. However, understanding on the interactions between soil properties, nanoparticles and the organisms that live within soil is lacking, especially with regards to soil bacterial communities. We studied the effects of nanoparticulate, non-nanoparticulate and ionic zinc (in the form of zinc chloride) on the composition of bacterial communities in soil with a modified pH range (from pH 4.5 to pH 7.2). We observed strong pH-dependent effects on the interaction between bacterial communities and all forms of zinc, with the largest changes in bacterial community composition occurring in soils with low and medium pH levels (pH 4.8 and 5.9). The high pH soil (pH 7.2) was less susceptible to the effects of zinc exposure. At the highest doses of zinc (2500 mg/kg dw soil), both nano and non-nano particulate zinc applications elicited a similar response in the soil bacterial community, and this differed significantly to the ionic zinc salt treatment. The results highlight the importance of considering soil pH in nanotoxicology studies, although further work is needed to determine the exact mechanisms controlling the toxicity and fate and interactions of nanoparticles with soil microbial communities.
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Affiliation(s)
- Daniel S Read
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK.
| | - Marianne Matzke
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
| | - Hyun S Gweon
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
| | - Lindsay K Newbold
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
| | - Laura Heggelund
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
- Department of Environmental Engineering, Technical University of Denmark, Miljoevej, building 113, 2800, Kgs Lyngby, Denmark
| | - Maria Diez Ortiz
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
- LEITAT Technological Center, C/ de la Innovació, 2, 08225, Terrassa, Barcelona, Spain
| | - Elma Lahive
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
| | - David Spurgeon
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
| | - Claus Svendsen
- NERC Centre for Ecology & Hydrology, Benson Lane, Crowmarsh Gifford, Wallingford, OX10 8BB, UK
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He S, Feng Y, Ni J, Sun Y, Xue L, Feng Y, Yu Y, Lin X, Yang L. Different responses of soil microbial metabolic activity to silver and iron oxide nanoparticles. CHEMOSPHERE 2016; 147:195-202. [PMID: 26766356 DOI: 10.1016/j.chemosphere.2015.12.055] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 11/22/2015] [Accepted: 12/15/2015] [Indexed: 06/05/2023]
Abstract
The knowledge regarding the effects of metal or metal oxide nanoparticles on soil microbial metabolic activity and key ecological functions is limited, relative to the information about their species diversity. For this reason, the responses of soil microbial metabolic activity to silver (AgNPs) and iron oxide (FeONPs) nanoparticles, along concentration gradients of each, were evaluated by microcalorimetry and soil nitrification potential. The changes in abundances of bacteria, eukaryotes and ammonia-oxidizing bacteria were measured by real time quantitative PCR. It was found that AgNP (at 0.1, 1 and 10 mg kg(-1) soil) amendments decreased soil microbial metabolic activity, nitrification potential and the abundances of bacteria and ammonia-oxidizing bacteria; on the contrary, FeONPs had the positive effects on soil microbial metabolic activity (at 1 and 10 mg kg(-1) soil) and soil nitrification potential (at 0.1 and 1 mg kg(-1) soil). Specific microbial metabolic activity and specific nitrification potential further revealed that metal or metal oxide nanoparticles could change the C and N cycles of the agricultural soil through influencing soil microbial metabolism. These findings could deepen the understanding of the influence of NPs on soil microorganisms and their driven soil ecology process.
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Affiliation(s)
- Shiying He
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, Jiangsu Province, PR China
| | - Youzhi Feng
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, Jiangsu Province, PR China
| | - Jun Ni
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, Jiangsu Province, PR China
| | - Yufang Sun
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, Jiangsu Province, PR China
| | - Lihong Xue
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, Jiangsu Province, PR China
| | - Yanfang Feng
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, Jiangsu Province, PR China
| | - Yingliang Yu
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, Jiangsu Province, PR China
| | - Xiangui Lin
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, Jiangsu Province, PR China
| | - Linzhang Yang
- Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, Jiangsu Province, PR China.
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Zhao L, Huang Y, Hu J, Zhou H, Adeleye AS, Keller AA. (1)H NMR and GC-MS Based Metabolomics Reveal Defense and Detoxification Mechanism of Cucumber Plant under Nano-Cu Stress. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:2000-10. [PMID: 26751164 DOI: 10.1021/acs.est.5b05011] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Because copper nanoparticles are being increasingly used in agriculture as pesticides, it is important to assess their potential implications for agriculture. Concerns have been raised about the bioaccumulation of nano-Cu and their toxicity to crop plants. Here, the response of cucumber plants in hydroponic culture at early development stages to two concentrations of nano-Cu (10 and 20 mg/L) was evaluated by proton nuclear magnetic resonance spectroscopy ((1)H NMR) and gas chromatography-mass spectrometry (GC-MS) based metabolomics. Changes in mineral nutrient metabolism induced by nano-Cu were determined by inductively coupled plasma-mass spectrometry (ICP-MS). Results showed that nano-Cu at both concentrations interferes with the uptake of a number of micro- and macro-nutrients, such as Na, P, S, Mo, Zn, and Fe. Metabolomics data revealed that nano-Cu at both levels triggered significant metabolic changes in cucumber leaves and root exudates. The root exudate metabolic changes revealed an active defense mechanism against nano-Cu stress: up-regulation of amino acids to sequester/exclude Cu/nano-Cu; down-regulation of citric acid to reduce the mobilization of Cu ions; ascorbic acid up-regulation to combat reactive oxygen species; and up-regulation of phenolic compounds to improve antioxidant system. Thus, we demonstrate that nontargeted (1)H NMR and GC-MS based metabolomics can successfully identify physiological responses induced by nanoparticles. Root exudates metabolomics revealed important detoxification mechanisms.
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Affiliation(s)
- Lijuan Zhao
- Bren School of Environmental Science and Management, University of California , Santa Barbara, California 93106-5131, United States
- University of California , Center for Environmental Implications of Nanotechnology, Santa Barbara, California 93106, United States
| | - Yuxiong Huang
- Bren School of Environmental Science and Management, University of California , Santa Barbara, California 93106-5131, United States
- University of California , Center for Environmental Implications of Nanotechnology, Santa Barbara, California 93106, United States
| | - Jerry Hu
- Materials Research Laboratory, University of California , Santa Barbara, California 93106-5050, United States
| | - Hongjun Zhou
- Neuroscience Research Institute and Molecular, Cellular and Developmental Biology, University of California Santa Barbara , Santa Barbara, California 93106, United States
| | - Adeyemi S Adeleye
- Bren School of Environmental Science and Management, University of California , Santa Barbara, California 93106-5131, United States
- University of California , Center for Environmental Implications of Nanotechnology, Santa Barbara, California 93106, United States
| | - Arturo A Keller
- Bren School of Environmental Science and Management, University of California , Santa Barbara, California 93106-5131, United States
- University of California , Center for Environmental Implications of Nanotechnology, Santa Barbara, California 93106, United States
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48
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Ozaki A, Adams E, Binh CTT, Tong T, Gaillard JF, Gray KA, Kelly JJ. One-Time Addition of Nano-TiO2 Triggers Short-Term Responses in Benthic Bacterial Communities in Artificial Streams. MICROBIAL ECOLOGY 2016; 71:266-275. [PMID: 26156053 DOI: 10.1007/s00248-015-0646-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 06/25/2015] [Indexed: 06/04/2023]
Abstract
Nano-TiO2 is an engineered nanomaterial whose production and use are increasing rapidly. Hence, aquatic habitats are at risk for nano-TiO2 contamination due to potential inputs from urban and suburban runoff and domestic wastewater. Nano-TiO2 has been shown to be toxic to a wide range of aquatic organisms, but little is known about the effects of nano-TiO2 on benthic microbial communities. This study used artificial stream mesocosms to assess the effects of a single addition of nano-TiO2 (P25 at a final concentration of 1 mg l(-1)) on the abundance, activity, and community composition of sediment-associated bacterial communities. The addition of nano-TiO2 resulted in a rapid (within 1 day) decrease in bacterial abundance in artificial stream sediments, but bacterial abundance returned to control levels within 3 weeks. Pyrosequencing of partial 16S rRNA genes did not indicate any significant changes in the relative abundance of any bacterial taxa with nano-TiO2 treatment, indicating that nano-TiO2 was toxic to a broad range of bacterial taxa and that recovery of the bacterial communities was not driven by changes in community composition. Addition of nano-TiO2 also resulted in short-term increases in respiration rates and denitrification enzyme activity, with both returning to control levels within 3 weeks. The results of this study demonstrate that single-pulse additions of nano-TiO2 to aquatic habitats have the potential to significantly affect the abundance and activity of benthic microbial communities and suggest that interactions of TiO2 nanoparticles with environmental matrices may limit the duration of their toxicity.
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Affiliation(s)
- Alexandra Ozaki
- Department of Biology, Loyola University Chicago, 1032 West Sheridan Road, Chicago, IL, 60660, USA
| | - Erin Adams
- Department of Biology, Loyola University Chicago, 1032 West Sheridan Road, Chicago, IL, 60660, USA
| | - Chu Thi Thanh Binh
- Department of Biology, Loyola University Chicago, 1032 West Sheridan Road, Chicago, IL, 60660, USA
| | - Tiezheng Tong
- Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Jean-François Gaillard
- Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Kimberly A Gray
- Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - John J Kelly
- Department of Biology, Loyola University Chicago, 1032 West Sheridan Road, Chicago, IL, 60660, USA.
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49
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Jacobson KH, Gunsolus IL, Kuech TR, Troiano JM, Melby ES, Lohse SE, Hu D, Chrisler WB, Murphy CJ, Orr G, Geiger FM, Haynes CL, Pedersen JA. Lipopolysaccharide Density and Structure Govern the Extent and Distance of Nanoparticle Interaction with Actual and Model Bacterial Outer Membranes. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:10642-10650. [PMID: 26207769 PMCID: PMC4643684 DOI: 10.1021/acs.est.5b01841] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Design of nanomedicines and nanoparticle-based antimicrobial and antifouling formulations and assessment of the potential implications of nanoparticle release into the environment requires understanding nanoparticle interaction with bacterial surfaces. Here we demonstrate the electrostatically driven association of functionalized nanoparticles with lipopolysaccharides of Gram-negative bacterial outer membranes and find that lipopolysaccharide structure influences the extent and location of binding relative to the outer leaflet-solution interface. By manipulating the lipopolysaccharide content in Shewanella oneidensis outer membranes, we observed the electrostatically driven interaction of cationic gold nanoparticles with the lipopolysaccharide-containing leaflet. We probed this interaction by quartz crystal microbalance with dissipation monitoring (QCM-D) and second harmonic generation (SHG) using solid-supported lipopolysaccharide-containing bilayers. The association of cationic nanoparticles increased with lipopolysaccharide content, while no association of anionic nanoparticles was observed. The harmonic-dependence of QCM-D measurements suggested that a population of the cationic nanoparticles was held at a distance from the outer leaflet-solution interface of bilayers containing smooth lipopolysaccharides (those bearing a long O-polysaccharide). Additionally, smooth lipopolysaccharides held the bulk of the associated cationic particles outside of the interfacial zone probed by SHG. Our results demonstrate that positively charged nanoparticles are more likely to interact with Gram-negative bacteria than are negatively charged particles, and this interaction occurs primarily through lipopolysaccharides.
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Affiliation(s)
- Kurt H. Jacobson
- Department of Civil and Environmental Engineering, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Ian L. Gunsolus
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Thomas R. Kuech
- Environmental Chemistry and Technology Program, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Julianne M. Troiano
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Eric S. Melby
- Environmental Chemistry and Technology Program, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Samuel E. Lohse
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Dehong Hu
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - William B. Chrisler
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Catherine J. Murphy
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Galya Orr
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Franz M. Geiger
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Christy L. Haynes
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Corresponding Authors: Phone: 608-263-4971; . Phone: 612-626-1096,
| | - Joel A. Pedersen
- Department of Civil and Environmental Engineering, University of Wisconsin, Madison, Wisconsin 53706, United States
- Environmental Chemistry and Technology Program, University of Wisconsin, Madison, Wisconsin 53706, United States
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
- Corresponding Authors: Phone: 608-263-4971; . Phone: 612-626-1096,
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Simonin M, Richaume A. Impact of engineered nanoparticles on the activity, abundance, and diversity of soil microbial communities: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:13710-23. [PMID: 25647498 DOI: 10.1007/s11356-015-4171-x] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Accepted: 01/22/2015] [Indexed: 05/12/2023]
Abstract
This report presents an exhaustive literature review of the effects of engineered nanoparticles on soil microbial communities. The toxic effects on microbial communities are highly dependent on the type of nanoparticles considered. Inorganic nanoparticles (metal and metal oxide) seem to have a greater toxic potential than organic nanoparticles (fullerenes and carbon nanotubes) on soil microorganisms. Detrimental effects of metal and metal oxide nanoparticles on microbial activity, abundance, and diversity have been demonstrated, even for very low concentrations (<1 mg kg(-1)). On the opposite, the negative effects of carbon nanoparticles are observed only in presence of high concentrations (>250 mg kg(-1)), representing a worst case scenario. Considering that most of the available literature has analyzed the impact of an acute contamination of nanoparticles using high concentrations in a single soil, several research needs have been identified, and new directions have been proposed. The effects of realistic concentrations of nanoparticles based on the concentrations predicted in modelization studies and chronic contaminations should be simulated. The influence of soil properties on the nanoparticle toxicity is still unknown and that is why it is crucial to consider the ecotoxicity of nanoparticles in a range of different soils. The identification of soil parameters controlling the bioavailability and toxicity of nanoparticles is fundamental for a better environmental risk assessment.
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