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Interactive Effects of Microplastics and Heavy Metals on Soil and...
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Interactive Effects of Microplastics and Heavy Metals on Soil and Plant Systems

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant–Soil Interactions".

Deadline for manuscript submissions: closed (30 May 2022) | Viewed by 40522

Special Issue Editors

Dr. Vishnu D. Rajput

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Guest Editor
Academy of Biology and Biotechnology, Southern Federal University, Stachki Ave. 194/1, 344090 Rostov-on-Don, Russia
Interests: soil pollution; biochar; carbon; plant physiology; cellular-subcellular changes; DNA damages, nanoparticles; microorganisms
Special Issues, Collections and Topics in MDPI journals
Dr. Sudhakar Srivastava

E-Mail Website
Guest Editor
Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi 221005, India
Interests: crop; heavy metals; microplastics; microorganism; nanosorbant; soil
Prof. Dr. Tatiana Minkina

E-Mail Website
Guest Editor
Head of Department of Soil Science, Academy of Biology and Biotechnology, Southern Federal University, Stachki Ave. 194/1, 344090 Rostov-on-Don, Russia
Interests: soil science; biogeochemistry of trace elements; environmental soil chemistry; soil monitoring; assessment; modeling and remediation using physicochemical treatment methods
Special Issues, Collections and Topics in MDPI journals
Dr. Svetlana N. Sushkova

E-Mail Website
Guest Editor
Research Professor, Department of Soil Science, Southern Federal University, Rostov-On-Don-344041, Russia
Interests: bioremediation of soil; environmental impact assessment; sustainable agriculture; biogeotechnics; soil–plant–atmospheric interaction
Special Issues, Collections and Topics in MDPI journals
Dr. Saglara S. Mandzhieva

E-Mail Website
Guest Editor
Academy of Biology and Biotechnology, Southern Federal University, 105 Bolshaya Sadovaya St., 344006 Rostov-on-Don, Russia
Interests: soil contamination; wild and cultural plants; trace elements; potential toxic elements; remediation; phytoremediation; sorbents; sequential extraction; fractionation; heavy metal speciation; heavy metal toxicity; bioaccumulation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Microplastics are an emerging global issue. The presence of microplastics is detected in aquatic systems, soil, organisms, and plants, and can enter into humans through food chain contamination. The issue of concern is that microplastics also act as a carrier of other contaminants such as heavy metals (HMs). Heavy metals are well-known soil contaminants that affect millions of people worldwide by accumulating in edible crops. However, interactions between microplastics and HMs, and their effects on accumulation and plant growth are not known. From contaminated crop-grown metal-polluted soils, toxic elements can gain entry into the food chain. Main sources of microplastics include synthetic textiles, personal care products, industrial raw materials and the improper disposal of plastic waste. The plastics become microplastics upon constant and long-term action of ultraviolet radiation, thermal oxidation, physical abrasion caused by wind and rain, biodegradative and chemical reactions. A large amount of microplastics can become fixed in the soil and slowly leach into the groundwater. The application of nanosorbants could alleviate microplastics and arsenic toxicity to plant and soil systems. Thus, the present Special Issue aims to attract researchers to contribute their work on their understanding of interactions between HMs and microplastics, as well as their combined effects on plant growth, accumulation and speciation in soil, and impact on soil microbial community.

Dr. Vishnu D. Rajput
Dr. Sudhakar Srivastava
Prof. Dr. Tatiana Minkina
Dr. Svetlana N. Sushkova
Dr. Saglara S. Mandzhieva
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • crop
  • heavy metals
  • microplastics
  • microorganism
  • nanosorbant
  • soil

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Published Papers (5 papers)

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Research

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13 pages, 4247 KiB  
Article
Effect of ZnO Nanoparticles on Growth and Biochemical Responses of Wheat and Maize
by Akansha Srivastav, Deepak Ganjewala, Rakesh Kumar Singhal, Vishnu D. Rajput, Tatiana Minkina, Marina Voloshina, Sudhakar Srivastava and Manoj Shrivastava
Plants 2021, 10(12), 2556; https://doi.org/10.3390/plants10122556 - 23 Nov 2021
Cited by 70 | Viewed by 6639
Abstract
Zinc is an essential element that is also renowned for widespread contamination and toxicity at high concentrations. The present study was carried out to analyze the responses induced by lower, as well as higher, doses of zinc (0–200 mg/L), in the form of [...] Read more.
Zinc is an essential element that is also renowned for widespread contamination and toxicity at high concentrations. The present study was carried out to analyze the responses induced by lower, as well as higher, doses of zinc (0–200 mg/L), in the form of zinc oxide nanoparticles (ZnO NPs) in wheat and maize, for a period of 21 days. Accumulation of zinc increases with increasing Zn doses in both wheat and maize, with higher doses being in wheat (121 mg/kg in root and 66 mg/kg in shoot) than in maize (95 mg/kg in root and 48 mg/kg in shoot). The activity of alpha-amylase showed increase, while that of dehydrogenase decline, in response to ZnO NPs. The length and biomass of plants and photosynthetic pigments increased slightly upon ZnO NPs supply. Malondialdehyde content showed a progressive increase in root and shoot of both plants. However, in response, antioxidant enzymes (superoxide dismutase, ascorbate peroxidase, guaiacol peroxidase, and catalase) showed increase up to lower concentrations (100 mg/L) of ZnO NPs but decline variably at higher levels (150–200 mg/L) in wheat and maize. The results suggest that lower supply of ZnO NPs (100 mg/L) could be stimulatory to the growth of plants and can be recommended as a Zn fertilizer source for crop production. Full article
(This article belongs to the Special Issue Interactive Effects of Microplastics and Heavy Metals on Soil and Plant Systems)
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14 pages, 2275 KiB  
Article
Impact of Metal-Based Nanoparticles on Cambisol Microbial Functionality, Enzyme Activity, and Plant Growth
by Sergey Kolesnikov, Alena Timoshenko, Tatiana Minnikova, Natalia Tsepina, Kamil Kazeev, Yulia Akimenko, Alexander Zhadobin, Victoria Shuvaeva, Vishnu D. Rajput, Saglara Mandzhieva, Svetlana Sushkova, Tatiana Minkina, Tamara Dudnikova, Mahmoud Mazarji, Saud Alamri, Manzer H. Siddiqui and Rupesh Kumar Singh
Plants 2021, 10(10), 2080; https://doi.org/10.3390/plants10102080 - 30 Sep 2021
Cited by 17 | Viewed by 2904
Abstract
An increase in the penetration of metal-based nanoparticles (NPs) into the environment requires an assessment of their ecotoxicity as they impair the critical activity of plants, animals, bacteria, and enzymes. Therefore, the study aimed to observe the effects of metal-based NPs, including copper [...] Read more.
An increase in the penetration of metal-based nanoparticles (NPs) into the environment requires an assessment of their ecotoxicity as they impair the critical activity of plants, animals, bacteria, and enzymes. Therefore, the study aimed to observe the effects of metal-based NPs, including copper (Cu), nickel (Ni), and zinc (Zn), on the Cambisols, which cover a significant part of the earth’s soil and play an important role in the biosphere. Metal-based NPs were introduced into the soil at concentrations of 100, 1000, and 10,000 mg/kg. The biological properties of the soil are being investigated as the most sensitive to external contamination. The highest ecotoxicity of the studied pollutants introduced into the soil at the same concentrations was shown by Cu (up to 34%) and Zn (up to 30%) NPs, while Ni NPs showed less (up to 22%). Microbiological (total number of bacteria, Azotobacter sp. abundance) and phytotoxic properties (radish seed germination and length of roots) of Cambisols were more sensitive (22–53%) to pollution by NPs of Cu, Zn, and Ni, while enzymatic activity (catalase and dehydrogenases) showed less sensitivity (14–32%). The present results could be useful for biomonitoring the state of contaminated soils, especially by NPs. Full article
(This article belongs to the Special Issue Interactive Effects of Microplastics and Heavy Metals on Soil and Plant Systems)
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Review

Jump to: Research

14 pages, 2016 KiB  
Review
Microplastic Pollution: An Emerging Threat to Terrestrial Plants and Insights into Its Remediation Strategies
by Arpna Kumari, Vishnu D. Rajput, Saglara S. Mandzhieva, Sneh Rajput, Tatiana Minkina, Rajanbir Kaur, Svetlana Sushkova, Poonam Kumari, Anuj Ranjan, Valery P. Kalinitchenko and Alexey P. Glinushkin
Plants 2022, 11(3), 340; https://doi.org/10.3390/plants11030340 - 27 Jan 2022
Cited by 28 | Viewed by 9880
Abstract
Microplastics (MPs) are ubiquitous and constitute a global hazard to the environment because of their robustness, resilience, and long-term presence in the ecosystem. For now, the majority of research has primarily focused on marine and freshwater ecosystems, with just a small amount of [...] Read more.
Microplastics (MPs) are ubiquitous and constitute a global hazard to the environment because of their robustness, resilience, and long-term presence in the ecosystem. For now, the majority of research has primarily focused on marine and freshwater ecosystems, with just a small amount of attention towards the terrestrial ecosystems. Although terrestrial ecosystems are recognized as the origins and routes for MPs to reach the sea, there is a paucity of knowledge about these ecological compartments, which is necessary for conducting effective ecological risk assessments. Moreover, because of their high persistence and widespread usage in agriculture, agribusiness, and allied sectors, the presence of MPs in arable soils is undoubtedly an undeniable and severe concern. Consequently, in the recent decade, the potential risk of MPs in food production, as well as their impact on plant growth and development, has received a great deal of interest. Thus, a thorough understanding of the fate and risks MPs, as well as prospective removal procedures for safe and viable agricultural operations in real-world circumstances, are urgently needed. Therefore, the current review is proposed to highlight the potential sources and interactions of MPs with agroecosystems and plants, along with their remediation strategies. Full article
(This article belongs to the Special Issue Interactive Effects of Microplastics and Heavy Metals on Soil and Plant Systems)
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12 pages, 19396 KiB  
Review
Nano-Enabled Products: Challenges and Opportunities for Sustainable Agriculture
by Vishnu D. Rajput, Abhishek Singh, Tatiana Minkina, Sapna Rawat, Saglara Mandzhieva, Svetlana Sushkova, Victoria Shuvaeva, Olga Nazarenko, Priyadarshani Rajput, Komariah, Krishan K. Verma, Awani Kumar Singh, Mahesh Rao and Sudhir K. Upadhyay
Plants 2021, 10(12), 2727; https://doi.org/10.3390/plants10122727 - 11 Dec 2021
Cited by 114 | Viewed by 7852
Abstract
Nanotechnology has gained popularity in recent years owing to its established potential for application and implementation in various sectors such as medical drugs, medicine, catalysis, energy, material, and plant science. Nanoparticles (NPs) are smaller in size (1–100 nm) with a larger surface area [...] Read more.
Nanotechnology has gained popularity in recent years owing to its established potential for application and implementation in various sectors such as medical drugs, medicine, catalysis, energy, material, and plant science. Nanoparticles (NPs) are smaller in size (1–100 nm) with a larger surface area and have many fruitful applications. The extraordinary functions of NPs are utilized in sustainable agriculture due to nano-enabled products, e.g., nano-insecticides, nano-pesticides, and nano-fertilizers. Nanoparticles have lately been suggested as an alternate method for controlling plant pests such as insects, fungi, and weeds. Several NPs exhibit antimicrobial properties considered in food packaging processes; for example, Ag-NPs are commonly used for such purposes. Apart from their antimicrobial properties, NPs such as Si, Ag, Fe, Cu, Al, Zn, ZnO, TiO2, CeO2, Al2O3, and carbon nanotubes have also been demonstrated to have negative impacts on plant growth and development. This review examines the field-use of nano-enabled products in sustainable agriculture, future perspectives, and growing environmental concerns. The remarkable information on commercialized nano-enabled products used in the agriculture and allied sectors are also provided. Full article
(This article belongs to the Special Issue Interactive Effects of Microplastics and Heavy Metals on Soil and Plant Systems)
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25 pages, 3519 KiB  
Review
Coping with the Challenges of Abiotic Stress in Plants: New Dimensions in the Field Application of Nanoparticles
by Vishnu D. Rajput, Tatiana Minkina, Arpna Kumari, Harish, Vipin Kumar Singh, Krishan K. Verma, Saglara Mandzhieva, Svetlana Sushkova, Sudhakar Srivastava and Chetan Keswani
Plants 2021, 10(6), 1221; https://doi.org/10.3390/plants10061221 - 15 Jun 2021
Cited by 146 | Viewed by 11176
Abstract
Abiotic stress in plants is a crucial issue worldwide, especially heavy-metal contaminants, salinity, and drought. These stresses may raise a lot of issues such as the generation of reactive oxygen species, membrane damage, loss of photosynthetic efficiency, etc. that could alter crop growth [...] Read more.
Abiotic stress in plants is a crucial issue worldwide, especially heavy-metal contaminants, salinity, and drought. These stresses may raise a lot of issues such as the generation of reactive oxygen species, membrane damage, loss of photosynthetic efficiency, etc. that could alter crop growth and developments by affecting biochemical, physiological, and molecular processes, causing a significant loss in productivity. To overcome the impact of these abiotic stressors, many strategies could be considered to support plant growth including the use of nanoparticles (NPs). However, the majority of studies have focused on understanding the toxicity of NPs on aquatic flora and fauna, and relatively less attention has been paid to the topic of the beneficial role of NPs in plants stress response, growth, and development. More scientific attention is required to understand the behavior of NPs on crops under these stress conditions. Therefore, the present work aims to comprehensively review the beneficial roles of NPs in plants under different abiotic stresses, especially heavy metals, salinity, and drought. This review provides deep insights about mechanisms of abiotic stress alleviation in plants under NP application. Full article
(This article belongs to the Special Issue Interactive Effects of Microplastics and Heavy Metals on Soil and Plant Systems)
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