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Gowtham HG, Shilpa N, Singh SB, Aiyaz M, Abhilash MR, Nataraj K, Amruthesh KN, Ansari MA, Alomary MN, Murali M. Toxicological effects of nanoparticles in plants: Mechanisms involved at morphological, physiological, biochemical and molecular levels. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 210:108604. [PMID: 38608505 DOI: 10.1016/j.plaphy.2024.108604] [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: 01/30/2024] [Revised: 03/26/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024]
Abstract
The rapid advancement of nanotechnology has led to unprecedented innovations across diverse industries, including pharmaceuticals, agriculture, cosmetics, electronics, textiles, and food, owing to the unique properties of nanoparticles. The extensive production and unregulated release of synthetic nanoparticles may contribute to nanopollution within the ecosystem. In the agricultural sector, nanotechnology is increasingly utilized to improve plant productivity, enhance resistance to stressors, and reduce the usage of chemicals. However, the uncontrolled discharge of nanoparticles into the natural environment raises concerns regarding possible plant toxicological impacts. The review focuses on the translocation of these particles within the plants, emphasizing their phytotoxicological effects at morphological, physiological, biochemical, and molecular levels. Eventhough the beneficial aspects of these nanoparticles are evident, excessive usage of nanoparticles at higher concentrations may lead to potential adverse effects. The phytotoxicity resulting from excessive amounts of nanoparticles affects seed germination and biomass production, disrupts the photosynthesis system, induces oxidative stress, impacts cell membrane integrity, alters gene expression, causes DNA damage, and leads to epigenetic variations in plants. Nanoparticles are found to directly associate with the cell membrane and cell organelles, leading to the dissolution and release of toxic ions, generation of reactive oxygen species (ROS) and subsequent oxidative stress. The present study signifies and accumulates knowledge regarding the application of nanoparticles in agriculture and illustrates a clear picture of their possible impacts on plants and soil microbes, thereby paving the way for future developments in nano-agrotechnology. The review concludes by addressing current challenges and proposing future directions to comprehend and mitigate the possible biological risks associated with nanoparticles in agriculture.
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Affiliation(s)
- H G Gowtham
- Department of Studies and Research in Food Science and Nutrition, KSOU, Mysuru, Karnataka, 570006, India
| | - N Shilpa
- Department of Studies in Microbiology, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
| | - S Brijesh Singh
- Department of Studies in Botany, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
| | - Mohammed Aiyaz
- Department of Studies in Biotechnology, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
| | - M R Abhilash
- Department of Studies in Environmental Science, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
| | - K Nataraj
- Department of Studies in Botany, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
| | - K N Amruthesh
- Department of Studies in Botany, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India
| | - Mohammad Azam Ansari
- Department of Epidemic Disease Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, 31441, Saudi Arabia
| | - Mohammad N Alomary
- Advanced Diagnostic and Therapeutic Institute, King Abdulaziz City for Science and Technology (KACST), Riyadh, 11442, Saudi Arabia
| | - M Murali
- Department of Studies in Botany, University of Mysore, Manasagangotri, Mysuru, 570006, Karnataka, India.
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2
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Noori A, Hasanuzzaman M, Roychowdhury R, Sarraf M, Afzal S, Das S, Rastogi A. Silver nanoparticles in plant health: Physiological response to phytotoxicity and oxidative stress. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 209:108538. [PMID: 38520964 DOI: 10.1016/j.plaphy.2024.108538] [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: 11/01/2023] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/25/2024]
Abstract
Silver nanoparticles (AgNPs) have gained significant attention in various fields due to their unique properties, but their release into the environment has raised concerns about their environmental and biological impacts. Silver nanoparticles can enter plants following their exposure to roots or via stomata following foliar exposure. Upon penetrating the plant cells, AgNPs interact with cellular components and alter physiological and biochemical processes. One of the key concerns associated with plant exposure to AgNPs is the potential of these materials to induce oxidative stress. Silver nanoparticles can also suppress plant growth and development by disrupting essential plant physiological processes, such as photosynthesis, nutrient uptake, water transport, and hormonal regulation. In crop plants, these disruptions may, in turn, affect the productivity and quality of the harvested components and therefore represent a potential threat to agricultural productivity and ecosystem stability. Understanding the phytotoxic effects of AgNPs is crucial for assessing their environmental implications and guiding the development of safe nanomaterials. By delving into the phytotoxic effects of AgNPs, this review contributes to the existing knowledge regarding their environmental risks and promotes the advancement of sustainable nanotechnological practices.
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Affiliation(s)
- Azam Noori
- Department of Biology, Merrimack College, North Andover, MA, 01845, USA
| | - Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka 1207, Bangladesh; Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea.
| | - Rajib Roychowdhury
- Department of Biotechnology, Visva-Bharati Central University, Santiniketan, 731235, West Bengal, India
| | - Mohammad Sarraf
- Department of Horticultural Science, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Shadma Afzal
- Motilal Nehru National Institute of Technology Allahabad, Prayagraj, Uttar Pradesh, India
| | - Susmita Das
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, B.T. Road, Kolkata, 700108, India
| | - Anshu Rastogi
- Laboratory of Bioclimatology, Department of Ecology and Environmental Protection, Poznan University of Life Sciences, Piątkowska 94, 60-649, Poznań, Poland
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3
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Sharma S, Shree B, Sharma A, Irfan M, Kumar P. Nanoparticle-based toxicity in perishable vegetable crops: Molecular insights, impact on human health and mitigation strategies for sustainable cultivation. ENVIRONMENTAL RESEARCH 2022; 212:113168. [PMID: 35346658 DOI: 10.1016/j.envres.2022.113168] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 02/08/2022] [Accepted: 03/16/2022] [Indexed: 05/27/2023]
Abstract
With the advancement of nanotechnology, the use of nanoparticles (NPs) and nanomaterials (NMs) in agriculture including perishable vegetable crops cultivation has been increased significantly. NPs/NMs positively affect plant growth and development, seed germination, plant stress management, and postharvest handling of fruits and vegetables. However, these NPs sometimes cause toxicity in plants by oxidative stress and excess reactive oxygen species production that affect cellular biomolecules resulting in imbalanced biological and metabolic processes in plants. Therefore, information about the mechanism underlying interactions of NPs with plants is important for the understanding of various physiological and biochemical responses of plants, evaluating phytotoxicity, and developing mitigation strategies for vegetable crops cultivation. To address this, recent morpho-physiological, biochemical and molecular insights of nanotoxicity in the vegetable crops have been discussed in this review. Further, factors affecting the nanotoxicity in vegetables and mitigation strategies for sustainable cultivation have been reviewed. Moreover, the bioaccumulation and biomagnification of NPs and associated phytotoxicity can cause serious effects on human health which has also been summarized. The review also highlights the use of advanced omics approaches and interdisciplinary tools for understanding the nanotoxicity and their possible use for mitigating phytotoxicity.
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Affiliation(s)
- Shweta Sharma
- MS Swaminathan School of Agriculture, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, HP, India
| | - Bharti Shree
- Department of Agricultural Biotechnology, CSK HPKV, Palampur, 176062, HP, India
| | - Ajit Sharma
- Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, 173230, HP, India
| | - Mohammad Irfan
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, USA.
| | - Pankaj Kumar
- Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, 173230, HP, India.
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4
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Green synthesis of silver oxide nanoparticles using Panicum miliaceum grains extract for biological applications. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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5
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Guzmán-Báez GA, Trejo-Téllez LI, Ramírez-Olvera SM, Salinas-Ruíz J, Bello-Bello JJ, Alcántar-González G, Hidalgo-Contreras JV, Gómez-Merino FC. Silver Nanoparticles Increase Nitrogen, Phosphorus, and Potassium Concentrations in Leaves and Stimulate Root Length and Number of Roots in Tomato Seedlings in a Hormetic Manner. Dose Response 2021; 19:15593258211044576. [PMID: 34840539 PMCID: PMC8619790 DOI: 10.1177/15593258211044576] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 08/12/2021] [Accepted: 08/17/2021] [Indexed: 11/16/2022] Open
Abstract
Background Silver nanoparticles (AgNPs) display unique biological activities and may serve as novel biostimulators. Nonetheless, their biostimulant effects on germination, early growth, and major nutrient concentrations (N, P, and K) in tomato (Solanum lycopersicum) have been little explored. Methods Tomato seeds of the Vengador and Rio Grande cultivars were germinated on filter paper inside plastic containers in the presence of 0, 5, 10, and 20 mg/L AgNPs. Germination parameters were recorded daily, while early growth traits of seedlings were determined 20 days after applying the treatments (dat). To determine nutrient concentrations in leaves, a hydroponic experiment was established, adding AgNPs to the nutrient solution. Thirty-day-old plants were established in the hydroponic system and kept there for 7 days, and subsequently, leaves were harvested and nutrient concentrations were determined. Results The AgNPs applied did not affect germination parameters, whereas their application stimulated length and number of roots in a hormetic manner. In 37-day-old plants, low AgNP applications increased the concentrations of N, P, and K in leaves. Conclusion As novel biostimulants, AgNPs promoted root development, especially when applied at 5 mg/L. Furthermore, they increased N, P, and K concentration in leaves, which is advantageous for seedling performance during the early developmental stages.
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Affiliation(s)
| | | | | | - Josafhat Salinas-Ruíz
- College of Postgraduates in Agricultural Sciences Campus Córdoba, Amatlán de Los Reyes, Veracruz, Mexico
| | - Jericó J Bello-Bello
- CONACYT-College of Postgraduates in Agricultural Sciences Campus Córdoba, Amatlán de Los Reyes, Veracruz, Mexico
| | | | | | - Fernando C Gómez-Merino
- College of Postgraduates in Agricultural Sciences Campus Córdoba, Amatlán de Los Reyes, Veracruz, Mexico
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6
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Anwar N, Mehmood A, Ahmad KS, Hussain K. Biosynthesized silver nanoparticles induce phytotoxicity in Vigna radiata L. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:2115-2126. [PMID: 34629782 PMCID: PMC8484397 DOI: 10.1007/s12298-021-01073-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 09/11/2021] [Accepted: 09/13/2021] [Indexed: 06/13/2023]
Abstract
UNLABELLED With the recent developments in the field of nanotechnology, the biosynthesis of nanoparticles has increased tremendously. Silver nanoparticles (SNPs) are among the most synthesized nanoparticles and this extensive synthesis can elevate the amounts of SNPs in the environment, which, consequently, pose a serious threat to the ecosystem and can bring unwanted environmental effects. As plants are an important part of ecosystem, investigation of toxic effects of SNPs on plants is particularly interesting. This study evaluates the potential risk of SNPs interaction with plants. For this, seeds of Vigna radiata L. were screened in presence of SNPs (20 mgL-1) using the germination, growth, and biochemical parameters as a phototoxicity criterion. The 19.57 nm average-sized SNPs were synthesized via the biosynthesis method. These biosynthesized SNPs were then applied on two varieties of V. radiata (Azri and High cross 404) and found to have variety dependent toxic effects on seed germination, growth, and biochemical parameters. Seed germination, root length, shoot length, fresh weight, chlorophyll, carotenoid, sugar content, and total proteins were reduced by 20, 46, 50, 18, 55, 62, 82, and 67%, respectively, in High cross 404, when compared with control (distilled water). The variety Azri was less sensitive than the variety High cross 404. In conclusion, the results demonstrated that SNPs affect seed germination and seedling growth when internalized and accumulated in plants, revealing that SNPs were responsible for the side effects. More in-depth research is required, in the form of different concentrations of SNPs or different plant species, to draw a logical conclusion and develop legislation about the safe use of biosynthesized SNPs. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12298-021-01073-4.
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Affiliation(s)
- Najma Anwar
- Department of Botany, University of Poonch Rawalakot (UPR), Rawalakot, 12350 Pakistan
| | - Ansar Mehmood
- Department of Botany, University of Poonch Rawalakot (UPR), Rawalakot, 12350 Pakistan
| | | | - Karamit Hussain
- Department of Botany, The University of Azad Jammu And Kashmir (UAJK), Muzaffarabad, 13100 Pakistan
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Mustafa G, Hasan M, Yamaguchi H, Hitachi K, Tsuchida K, Komatsu S. A comparative proteomic analysis of engineered and bio synthesized silver nanoparticles on soybean seedlings. J Proteomics 2020; 224:103833. [PMID: 32450145 DOI: 10.1016/j.jprot.2020.103833] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/20/2020] [Accepted: 05/18/2020] [Indexed: 02/06/2023]
Abstract
Nanoparticles (NPs) are synthesized by different methods and response mechanism of plants varied towards NPs based on their origin. To study the effects of bio synthesized (BS) and chemically synthesized (CS) silver NPs on soybean, a gel-free/ label-free proteomic technique was used. Length of root and hypocotyl was enhanced by BS compared to CS silver NPs. 10 ppm BS silver NPs enhanced the length of root and hypocotyl compared to 1 and 50 ppm. A total of 190 and 173 differentially changed proteins were identified in BS and CS silver NPs treated soybean, respectively. Twenty proteins commonly changed between BS and CS silver NPs treated soybean. Differentially-changed proteins were associated with protein-degradation and stress according to functional categorization. From proteomics, abundances of peroxidases were increased under CS silver NPs. Immunoblot analysis depicted that accumulation of ascorbate peroxidase, glutathione reductase, and peroxiredoxin remained unchanged under both BS and CS silver NPs. ATP content decreased under CS silver NPs compared to BS silver NPs. ADH activity increased in CS silver NPs treated soybean. These results suggest that BS silver NPs enhanced the growth of soybean by regulating proteins related to protein-degradation and ATP contents, which are negatively affected by CS silver NPs. BIOLOGICAL SIGNIFICANCE: This study highlighted the response mechanism of soybean towards bio synthesized (BS) and chemically synthesized (CS) silver nanoparticles (NPs) using a gel-free/ label-free proteomics technique. Length of root and hypocotyl was enhanced by BS silver NPs compared to CS silver NPs. 10 ppm BS silver NPs enhanced the length of root and hypocotyl compared to other concentrations. Differentially changed proteins were associated with protein degradation and stress. From the proteomics, the abundances of peroxidases were increased under CS silver NPs. Immunoblot analysis depicted that accumulation of ascorbate peroxidase, glutathione reductase, and peroxiredoxin remained unchanged under both BS and CS silver NPs. ATP content decreased under CS silver NPs compared to BS silver NPs. ADH activity increased in CS silver NPs compared to BS silver NPs treated soybean. These results suggest that the BS silver NPs enhanced the growth of soybean by regulating the proteins related to protein degradation and ATP contents, which are negatively affected by the CS silver NPs.
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Affiliation(s)
- Ghazala Mustafa
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; Faculty of Environment and Information Sciences, Fukui University of Technology, Fukui 910-8505, Japan.
| | - Murtaza Hasan
- Department of Biochemistry and Biotechnology, Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Hisateru Yamaguchi
- Department of Medical Technology, Yokkaichi Nursing and Medical Care University, Yokkaichi 512-8045, Japan
| | - Keisuke Hitachi
- Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Japan
| | - Kunihiro Tsuchida
- Institute for Comprehensive Medical Science, Fujita Health University, Toyoake 470-1192, Japan
| | - Setsuko Komatsu
- Faculty of Environment and Information Sciences, Fukui University of Technology, Fukui 910-8505, Japan.
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Hossain Z, Yasmeen F, Komatsu S. Nanoparticles: Synthesis, Morphophysiological Effects, and Proteomic Responses of Crop Plants. Int J Mol Sci 2020; 21:E3056. [PMID: 32357514 PMCID: PMC7246787 DOI: 10.3390/ijms21093056] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 04/23/2020] [Accepted: 04/23/2020] [Indexed: 12/20/2022] Open
Abstract
Plant cells are frequently challenged with a wide range of adverse environmental conditions that restrict plant growth and limit the productivity of agricultural crops. Rapid development of nanotechnology and unsystematic discharge of metal containing nanoparticles (NPs) into the environment pose a serious threat to the ecological receptors including plants. Engineered nanoparticles are synthesized by physical, chemical, biological, or hybrid methods. In addition, volcanic eruption, mechanical grinding of earthquake-generating faults in Earth's crust, ocean spray, and ultrafine cosmic dust are the natural source of NPs in the atmosphere. Untying the nature of plant interactions with NPs is fundamental for assessing their uptake and distribution, as well as evaluating phytotoxicity. Modern mass spectrometry-based proteomic techniques allow precise identification of low abundant proteins, protein-protein interactions, and in-depth analyses of cellular signaling networks. The present review highlights current understanding of plant responses to NPs exploiting high-throughput proteomics techniques. Synthesis of NPs, their morphophysiological effects on crops, and applications of proteomic techniques, are discussed in details to comprehend the underlying mechanism of NPs stress acclimation.
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Affiliation(s)
- Zahed Hossain
- Department of Botany, University of Kalyani, West Bengal 741235, India
| | - Farhat Yasmeen
- Department of Botany, Women University, Swabi 23340, Pakistan
| | - Setsuko Komatsu
- Department of Environmental and Food Science, Fukui University of Technology, Fukui 910-8505, Japan
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Singh D, Kumar A. Quantification of metal uptake in Spinacia oleracea irrigated with water containing a mixture of CuO and ZnO nanoparticles. CHEMOSPHERE 2020; 243:125239. [PMID: 31733544 DOI: 10.1016/j.chemosphere.2019.125239] [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: 08/04/2019] [Revised: 10/24/2019] [Accepted: 10/26/2019] [Indexed: 05/25/2023]
Abstract
An extensive application and potential release of nanoparticles (NPs) through wastewater treatment plants to agricultural lands have created an urgent necessity to evaluate food safety. The study here grew Spinacia oleracea until maturity in the soil and irrigated with CuO and ZnO NPs (as single and as a binary mixture). The plants were grown in soil containing pots and were exposed to NPs (CuO and ZnO) and ions (Cu2+ and Zn2+) (concentration = 1.2 × 10-4, 1.2 × 10-3, 1.2 × 10-2 mol/Kg of soil); a binary mixture (CuO + ZnO and Cu2++Zn2+) concentration = 1.2 × 10-4+1.2 × 10-4 mol/Kg of soil, respectively. At maturity, plant fresh weight, root length, and elemental content (Cu and Zn) were quantified. Results showed significant adverse effects on plant biomass exposed at 1.2 × 10-2 mol/Kg of soil (percentage reduction = 36%, 26% and 45% for CuO, ZnO, and CuO + ZnO NPs, respectively). The interaction of toxicity between two NPs and ions on reduction in fresh weight was observed to be additive. Desorption studies were performed for determining root-surface adsorbed CuO and ZnO NPs using three different concentrations of Na4EDTA. The estimated internal uptake of Cu and Zn was found to be 0.4 mg Cu/g dry weight and 0.7 mg Zn/g dry weight in the shoot portion of the plant and 3.06 mg Cu/g dry weight and 3.4 mg Zn/g dry weight in the root portion of the plant, respectively. (at 1.2 × 10-2 mol/Kg of soil). Exposure of metal ions has shown a higher reduction in biomass and higher uptake in plants as compared to NPs. The projected hazard quotient values for the intake of NPs by children was found to be greater than 1 indicating risks to children. Given the importance of food safety, determination of the potential risk of consuming contaminated plants, irrigated using nanoparticles containing wastewater is advised.
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Affiliation(s)
- Divya Singh
- Department of Civil Engineering, Indian Institute of Technology New Delhi, India.
| | - Arun Kumar
- Department of Civil Engineering, Indian Institute of Technology New Delhi, India
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10
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Falco WF, Scherer MD, Oliveira SL, Wender H, Colbeck I, Lawson T, Caires ARL. Phytotoxicity of silver nanoparticles on Vicia faba: Evaluation of particle size effects on photosynthetic performance and leaf gas exchange. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 701:134816. [PMID: 31704404 DOI: 10.1016/j.scitotenv.2019.134816] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 09/29/2019] [Accepted: 10/03/2019] [Indexed: 05/25/2023]
Abstract
Nanotechnology is an emerging field in science and engineering, which presents significant impacts on the economy, society and the environment. The nanomaterials' (NMs) production, use, and disposal is inevitably leading to their release into the environment where there are uncertainties about its fate, behaviour, and toxicity. Recent works have demonstrated that NMs can penetrate, translocate, and accumulate in plants. However, studies about the effects of the NMs on plants are still limited because most investigations are carried out in the initial stage of plant development. The present study aimed to evaluate and characterize the photochemical efficiency of photosystem II (PSII) of broad bean (Vicia faba) leaves when subjected to silver nanoparticles (AgNPs) with diameters of 20, 51, and 73 nm as well as to micrometer-size Ag particles (AgBulk). The AgNPs were characterized by transmission electron microscopy and dynamic light scattering. The analyses were performed by injecting the leaves with 100 mg L-1 aqueous solution of Ag and measuring the chlorophyll fluorescence imaging, gas exchange, thermal imaging, and reactive oxygen species (ROS) production. In addition, silver ion (Ag+) release from Ag particles was determined by dialysis. The results revealed that AgNPs induce a decrease in the photochemical efficiency of photosystem II (PSII) and an increase in the non-photochemical quenching. The data also revealed that AgNPs affected the stomatal conductance (gs) and CO2 assimilation. Further, AgNPs induced an overproduction of ROS in Vicia faba leaves. Finally, all observed effects were particle diameter-dependent, increasing with the reduction of AgNPs diameter and revealing that AgBulk caused only a small or no changes on plants. In summary, the results point out that AgNPs may negatively affect the photosynthesis process when accumulated in the leaves, and that the NPs themselves were mainly responsible since negligible Ag+ release was detected.
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Affiliation(s)
- William F Falco
- Grupo de Óptica Aplicada, Universidade Federal da Grande Dourados, CP 533, 79804-970 Dourados, MS, Brazil
| | - Marisa D Scherer
- Grupo de Óptica e Fotônica, Instituto de Física, Universidade Federal de Mato Grosso do Sul, CP 549, 790070-900 Campo Grande, MS, Brazil
| | - Samuel L Oliveira
- Grupo de Óptica e Fotônica, Instituto de Física, Universidade Federal de Mato Grosso do Sul, CP 549, 790070-900 Campo Grande, MS, Brazil.
| | - Heberton Wender
- Grupo de Óptica e Fotônica, Instituto de Física, Universidade Federal de Mato Grosso do Sul, CP 549, 790070-900 Campo Grande, MS, Brazil
| | - Ian Colbeck
- School of Life Sciences, University of Essex, Colchester CO4 3SQ, UK.
| | - Tracy Lawson
- School of Life Sciences, University of Essex, Colchester CO4 3SQ, UK.
| | - Anderson R L Caires
- Grupo de Óptica e Fotônica, Instituto de Física, Universidade Federal de Mato Grosso do Sul, CP 549, 790070-900 Campo Grande, MS, Brazil; School of Life Sciences, University of Essex, Colchester CO4 3SQ, UK.
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11
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Singh D, Kumar A. Assessment of toxic interaction of nano zinc oxide and nano copper oxide on germination of Raphanus sativus seeds. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:703. [PMID: 31673860 DOI: 10.1007/s10661-019-7902-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 10/17/2019] [Indexed: 06/10/2023]
Abstract
Multiple applications of nanoparticles (NPs) could result in their potential release into agricultural systems and raised concerns about food safety. The NPs once released in the environment may interact with numerous pollutants, including other NPs. Present study assessed the impact of a single (CuO and ZnO NPs) and binary mixture (CuO+ZnO NPs) on the germination of Raphanus sativus seeds with a wide range of exposure concentration (0-1000 mg/L). Both the NPs have shown a deleterious effect on seeds at exposure concentration greater than 10 mg/L. Antagonistic interaction between effects of CuO and ZnO NPs on seeds was noticed for all the exposed concentrations. CuO NPs showed higher absorption capacity on the seedling surface than ZnO NPs. Internal uptake of Zn in ZnO NP-exposed seedlings was found to be greater than that due to CuO NP-exposed seedlings. Three different types of exposure adversely affected seed germination (reduction in root length, shoot length, and fresh weight). Reduction in growth parameters (length and weight) with concentration was compared using log-logistic dose-response model of "DRC" package of the "R" software, and EC50 was determined. As per EC50 values, the toxicity of CuO NPs was found to be maximum followed by CuO+ZnO NPs and then minimum for ZnO NPs. Seedlings accumulated Cu and Zn metals, and higher uptake was recorded for Zn (reported as mg/g seedling dry weight). The order of toxicity was found as CuO NPs > binary mixture (CuO+ZnO) NPs > ZnO NPs. Exposure concentration greater than 10 mg/L resulted in significant toxicity and uptake in germinated seedlings. These findings indicated that exposure of the mixture of NPs during germination might give different effects and thus, further attempts could prove quite beneficial to the literature.
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Affiliation(s)
- Divya Singh
- Department of Civil Engineering, Indian Institute of Technology, New Delhi, 110016, India.
| | - Arun Kumar
- Department of Civil Engineering, Indian Institute of Technology, New Delhi, 110016, India
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12
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Zhai X, Chen M, Lu W. Predicting the toxicities of metal oxide nanoparticles based on support vector regression with a residual bootstrapping method. Toxicol Mech Methods 2018; 28:440-449. [DOI: 10.1080/15376516.2018.1449278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Xiuyun Zhai
- School of Materials Science and Engineering, Shanghai University, Shanghai, China
- School of Mechanical Engineering, Panzhihua University, Panzhihua, China
| | - Mingtong Chen
- Material Engineering School, Panzhihua University, Panzhihua, China
| | - Wencong Lu
- College of Sciences, Shanghai University, Shanghai, China
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13
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Singh D, Kumar A. Investigating long-term effect of nanoparticles on growth of Raphanus sativus plants: a trans-generational study. ECOTOXICOLOGY (LONDON, ENGLAND) 2018; 27:23-31. [PMID: 29043473 DOI: 10.1007/s10646-017-1867-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/04/2017] [Indexed: 06/07/2023]
Abstract
In the past decade, there has been an unprecedented growth in the application of nanoparticles (NPs) worldwide. Even though the acute toxicity of CuO and ZnO NPs to plants has been investigated in past, the trans-generational effects of these NPs in the environment are still unknown. In this study, we investigated whether the treatment of radish plants with CuO and ZnO NPs as single compound and as a binary mixture (10, 100 and 1000 mg/Kg soil) through their lifecycle would affect the seed quality and the development of second-generation seedlings or not. Results showed reduced root length, shoot length and biomass in F1 seedlings of NPs treated plants. The treated F1 seeds had smaller seed weight with accumulated Cu and Zn. The effect of toxic interaction between CuO and ZnO on plant growth was antagonistic in nature. Evaluation of the trans-generational impact is important to understand the long-term effect of NPs on the environment.
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Affiliation(s)
- Divya Singh
- Indian Institute of Technology, New Delhi, 110016, India
| | - Arun Kumar
- Department of Civil Engineering, Indian Institute of Technology, New Delhi, 110016, India.
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Hatami M. Stimulatory and Inhibitory Effects of Nanoparticulates on Seed Germination and Seedling Vigor Indices. NANOSCIENCE AND PLANT–SOIL SYSTEMS 2017. [DOI: 10.1007/978-3-319-46835-8_13] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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15
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Singh D, Kumar A. Impact of Irrigation Using Water Containing CuO and ZnO Nanoparticles on Spinach oleracea Grown in Soil Media. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2016; 97:548-553. [PMID: 27370820 DOI: 10.1007/s00128-016-1872-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 06/23/2016] [Indexed: 06/06/2023]
Abstract
Wastewater reuse is an important adaptation option for mitigating water stress in rapidly growing urban centers. Reuse potential of nanoparticles (NPs) contaminated wastewater for irrigation of Spinacia oleracea grown in soil media were assessed in this study. Irrigation of plant were done with water containing CuO and ZnO NPs as single compound and in binary mixture (10, 100, 1000 mg/L) till 11 weeks. At 1000 mg/L, reduction in root length: 16 %, 12 % and 18 %, shoot length: 22 %, 16 % and 27 %, total weight 37 %, 27 % and 45 %, chlorophyll: 18 %, 7 % and 29 % and carotenoids: 46 %, 33 % and 54 % were found for CuO NPs, ZnO NPs and binary mixture of NPs respectively. Uptake values were found to be 5.65 ± 0.8 Zn(2+) and 3.48 ± 0.75 Cu(2+) mg/g for the case of ZnO and CuO NPs respectively (at 1000 mg/L). For mixture of NPs, uptake of 3.18 ± 1.05 mg/g of Cu(2+) and 3.18 ± 1.05 mg/g of Zn(2+) ions were found. The results shows that water containing low concentration of NPs (10 mg/L) can be used for irrigating spinach grown in soil media as no significant toxic effect on growth and uptake of metal ion were found as compared to control. The results of this study evaluated the suitability of reusing water contaminated with NPs in agriculture. Further studies are however required to understand the toxic mode of action of mixture of NPs on growth and uptake mechanisms.
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Affiliation(s)
- Divya Singh
- Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India
| | - Arun Kumar
- Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, India.
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Yasmeen F, Raja NI, Razzaq A, Komatsu S. Gel-free/label-free proteomic analysis of wheat shoot in stress tolerant varieties under iron nanoparticles exposure. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2016; 1864:1586-98. [PMID: 27530299 DOI: 10.1016/j.bbapap.2016.08.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 07/31/2016] [Accepted: 08/08/2016] [Indexed: 11/29/2022]
Abstract
Iron nanoparticles (Fe NPs) have stimulatory effects on the germination ratio and plant growth of wheat. To elucidate the effects of Fe NPs on shoot of drought tolerant Pakistan-13 and salt tolerant NARC-11, a gel-free/label-free proteomic technique was used. The weights/lengths of seedling, shoot, and root of wheat varieties were increased on 5ppm Fe NPs exposure. The number of proteins related to photosynthesis and protein metabolism was decreased and increased in drought tolerant variety and salt tolerant variety, respectively, treated with Fe NPs compared to untreated plants. Differentially changed proteins in drought tolerant variety and salt tolerant variety were mainly related to photosynthesis. Out of photosynthesis related proteins, light reaction was enhanced in salt tolerant variety compared to drought tolerant variety on Fe NPs exposure. The abundance of ribulose bisphosphate carboxylase/oxygenase small chain in drought tolerant variety was higher than that in salt tolerant variety; however, in salt tolerant variety, it was increased 3 fold by Fe NPs exposure compared to untreated plant. These results suggest that Fe NPs improve the growth of wheat seedling, which might be associated with the increase of protein abundance in photosynthesis in salt tolerant variety.
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Affiliation(s)
- Farhat Yasmeen
- Department of Botany, PMAS Arid Agriculture University, Rawalpindi 46300, Pakistan; National Institute of Crop Science, National Agriculture and Food Research Organization, Tsukuba 305-8518, Japan
| | - Naveed Iqbal Raja
- Department of Botany, PMAS Arid Agriculture University, Rawalpindi 46300, Pakistan.
| | - Abdul Razzaq
- Department of Agronomy, PMAS Arid Agriculture University, Rawalpindi 46300, Pakistan
| | - Setsuko Komatsu
- National Institute of Crop Science, National Agriculture and Food Research Organization, Tsukuba 305-8518, Japan.
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