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Szőllősi R, Molnár Á, Kondak S, Kolbert Z. Dual Effect of Nanomaterials on Germination and Seedling Growth: Stimulation vs. Phytotoxicity. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1745. [PMID: 33321844 PMCID: PMC7763982 DOI: 10.3390/plants9121745] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 11/30/2020] [Accepted: 12/05/2020] [Indexed: 01/15/2023]
Abstract
Due to recent active research, a large amount of data has been accumulated regarding the effects of different nanomaterials (mainly metal oxide nanoparticles, carbon nanotubes, chitosan nanoparticles) on different plant species. Most studies have focused on seed germination and early seedling development, presumably due to the simplicity of these experimental systems. Depending mostly on size and concentration, nanomaterials can exert both positive and negative effects on germination and seedling development during normal and stress conditions, thus some research has evaluated the phytotoxic effects of nanomaterials and the physiological and molecular processes behind them, while other works have highlighted the favorable seed priming effects. This review aims to systematize and discuss research data regarding the effect of nanomaterials on germination and seedling growth in order to provide state-of-the-art knowledge about this fast developing research area.
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Affiliation(s)
- Réka Szőllősi
- Department of Plant Biology, University of Szeged, H-6726 Szeged, Hungary; (Á.M.); (S.K.); (Z.K.)
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Plant cell nanomaterials interaction: Growth, physiology and secondary metabolism. COMPREHENSIVE ANALYTICAL CHEMISTRY 2019. [DOI: 10.1016/bs.coac.2019.04.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Verma SK, Das AK, Patel MK, Shah A, Kumar V, Gantait S. Engineered nanomaterials for plant growth and development: A perspective analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 630:1413-1435. [PMID: 29554761 DOI: 10.1016/j.scitotenv.2018.02.313] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 02/26/2018] [Accepted: 02/26/2018] [Indexed: 06/08/2023]
Abstract
With the overwhelmingly rapid advancement in the field of nanotechnology, the engineered nanomaterials (ENMs) have been extensively used in various areas of the plant system, including quality improvement, growth and nutritional value enhancement, gene preservation etc. There are several recent reports on the ENMs' influence on growth enhancements, growth inhibition as well as certain toxic impacts on plant. However, translocation, growth responses and stress modulation mechanisms of ENMs in the plant systems call for better and in-depth understanding. Herein, we are presenting a comprehensive and critical account of different types of ENMs, their applications and their positive, negative and null impacts on physiological and molecular aspects of plant growth, development and stress responses. Recent reports revealed mixed effects on plants, ranging from enhanced crop yield, epi/genetic alterations, and phytotoxicity, resulting from the ENMs' exposure. Creditable research in recent years has revealed that the effects of ENMs on plants are species specific and are variable among plant species. ENM exposures are reported to trigger free radical formation, responsive scavenging, and antioxidant armories in the exposed plants. The ENMs are also reported to induce aberrant expressions of microRNAs, the key post-transcriptional regulators of plant growth, development and stress-responses of plants. However, these modulations, if judiciously done, may lead to improved plant growth and yield. A better understanding of the interactions between ENMs and plant responses, including their uptake transport, internalization, and activity, could revolutionize crop production through increased disease resistance, nutrient utilization, and crop yield. Therefore, in this review, we are presenting a critical account of the different selected ENMs, their uptake by the plants, their positive/negative impacts on plant growth and development, along with the resultant ENM-responsive post-transcriptional modifications, especially, aberrant miRNA expressions. In addition, underlying mechanisms of various ENM-plant cell interactions have been discussed.
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Affiliation(s)
- Sandeep Kumar Verma
- Department of Biotechnology, Innovate Mediscience India, Vijay Nagar, Indore 452010, Madhya Pradesh, India.
| | - Ashok Kumar Das
- Center for Superfunctional Materials, School of Natural Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, South Korea
| | - Manoj Kumar Patel
- School of Studies in Life Sciences, Pt. Ravishankar Shukla University, Raipur 492010, Chhattisgarh, India
| | - Ashish Shah
- Department of Biotechnology, Innovate Mediscience India, Vijay Nagar, Indore 452010, Madhya Pradesh, India
| | - Vinay Kumar
- Department of Biotechnology, Modern College, Savitribai Phule Pune University, Ganeshkhind, 411016 Pune, Maharashtra, India; Department of Environmental Science, Savitribai Phule Pune University, Ganeshkhind, 411016 Pune, Maharashtra, India
| | - Saikat Gantait
- All India Coordinated Research Project on Groundnut, Directorate of Research, Bidhan Chandra Krishi Viswavidyalaya, Kalyani, Nadia 741235, West Bengal, India; Department of Genetics and Plant Breeding, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia 741252, West Bengal, India
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Otto DP, de Villiers MM. Poly(amidoamine) Dendrimers as a Pharmaceutical Excipient. Are We There yet? J Pharm Sci 2018; 107:75-83. [DOI: 10.1016/j.xphs.2017.10.011] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 10/02/2017] [Accepted: 10/06/2017] [Indexed: 12/20/2022]
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Khaleel NDH, Mahmoud WMM, Olsson O, Kümmerer K. UV-photodegradation of desipramine: Impact of concentration, pH and temperature on formation of products including their biodegradability and toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 566-567:826-840. [PMID: 27254290 DOI: 10.1016/j.scitotenv.2016.05.095] [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: 03/21/2016] [Revised: 05/13/2016] [Accepted: 05/13/2016] [Indexed: 05/25/2023]
Abstract
Desipramine (DMI) is a widely used tricyclic antidepressant, and it is the major metabolite of imipramine (IMI) and lofepramine (LMI); IMI and LMI are two of the most commonly used tricyclic antidepressants. If DMI enters the aquatic environment, it can be transformed by the environmental bacteria or UV radiation. Therefore, photolysis of DMI in water was performed using a simulated sunlight Xenon-lamp and a UV-lamp. Subsequently, the biodegradability of DMI and its photo-transformation products (PTPs) formed during its UV photolysis was studied. The influence of variable conditions, such as initial DMI concentration, solution pH, and temperature, on DMI UV photolysis behavior was also studied. The degree of mineralization of DMI and its PTPs was monitored. A Shimadzu HPLC-UV apparatus was used to follow the kinetic profile of DMI during UV-irradiation; after that, ion-trap and high-resolution mass spectrometry coupled with chromatography were used to monitor and identify the possible PTPs. The environmentally relevant properties and selected toxicity properties of DMI and the non-biodegradable PTPs were predicted using different QSAR models. DMI underwent UV photolysis with first-order kinetics. Quantum yields were very low. DOC values indicated that DMI formed new PTPs and was not completely mineralized. Analysis by means of high-resolution mass spectrometry revealed that the photolysis of DMI followed three main photolysis pathways: isomerization, hydroxylation, and ring opening. The photolysis rate was inversely proportional to initial DMI concentration. The pH showed a significant impact on the photolysis rate of DMI, and on the PTPs in terms of both formation kinetics and mechanisms. Although temperature was expected to increase the photolysis rate, it showed a non-significant impact in this study. Results from biodegradation tests and QSAR analysis revealed that DMI and its PTPs are not readily biodegradable and that some PTPs may be human and/or eco-toxic, so they may pose a risk to the environment.
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Affiliation(s)
- Nareman D H Khaleel
- Sustainable Chemistry and Material Resources, Institute of Sustainable and Environmental Chemistry, Leuphana University of Lüneburg, Scharnhorststraße 1 C13, DE 21335 Lüneburg, Germany; Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
| | - Waleed M M Mahmoud
- Sustainable Chemistry and Material Resources, Institute of Sustainable and Environmental Chemistry, Leuphana University of Lüneburg, Scharnhorststraße 1 C13, DE 21335 Lüneburg, Germany; Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Suez Canal University, Ismailia 41522, Egypt
| | - Oliver Olsson
- Sustainable Chemistry and Material Resources, Institute of Sustainable and Environmental Chemistry, Leuphana University of Lüneburg, Scharnhorststraße 1 C13, DE 21335 Lüneburg, Germany
| | - Klaus Kümmerer
- Sustainable Chemistry and Material Resources, Institute of Sustainable and Environmental Chemistry, Leuphana University of Lüneburg, Scharnhorststraße 1 C13, DE 21335 Lüneburg, Germany.
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Ostojic N, Crooks RM. Electrocatalytic Reduction of Oxygen on Platinum Nanoparticles in the Presence and Absence of Interactions with the Electrode Surface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:9727-9735. [PMID: 27641461 DOI: 10.1021/acs.langmuir.6b02578] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report that ultraviolet/ozone (UV/O3) treatment can be used to remove sixth-generation, hydroxyl-terminated poly(amidoamine) (PAMAM) dendrimers from dendrimer-encapsulated Pt nanoparticles (Pt DENs) previously immobilized onto a pyrolyzed photoresist film (PPF) electrode. Results from X-ray photoelectron spectroscopy, scanning transmission electron microscopy, and electrochemical experiments indicate that removal of the dendrimer proceeds without changes to the size, shape, or electrocatalytic properties of the encapsulated nanoparticles. The UV/O3 treatment did not damage the PPF electrode. The electrocatalytic properties of the DENs before and after removal of the dendrimer were nearly identical.
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Affiliation(s)
- Nevena Ostojic
- Department of Chemistry and the Center for Nano- and Molecular Science and Technology, The University of Texas at Austin , 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
| | - Richard M Crooks
- Department of Chemistry and the Center for Nano- and Molecular Science and Technology, The University of Texas at Austin , 105 East 24th Street, Stop A5300, Austin, Texas 78712-1224, United States
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Fernández Freire P, Peropadre A, Rosal R, Pérez Martín JM, Hazen MJ. Toxicological assessment of third generation (G3) poly (amidoamine) dendrimers using the Allium cepa test. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 563-564:899-903. [PMID: 26345251 DOI: 10.1016/j.scitotenv.2015.07.137] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 07/24/2015] [Accepted: 07/28/2015] [Indexed: 06/05/2023]
Affiliation(s)
- Paloma Fernández Freire
- Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
| | - Ana Peropadre
- Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
| | - Roberto Rosal
- Departamento de Ingeniería Química, Universidad de Alcalá, Alcalá de Henares, E-28871 Madrid, Spain; Advanced Study Institute of Madrid, IMDEA-Agua, Parque Científico Tecnológico, Alcalá de Henares, E-28805 Madrid, Spain
| | - José Manuel Pérez Martín
- Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
| | - María José Hazen
- Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, E-28049 Madrid, Spain.
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Feliu N, Kohonen P, Ji J, Zhang Y, Karlsson HL, Palmberg L, Nyström A, Fadeel B. Next-generation sequencing reveals low-dose effects of cationic dendrimers in primary human bronchial epithelial cells. ACS NANO 2015; 9:146-63. [PMID: 25530437 DOI: 10.1021/nn5061783] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Gene expression profiling has developed rapidly in recent years with the advent of deep sequencing technologies such as RNA sequencing (RNA Seq) and could be harnessed to predict and define mechanisms of toxicity of chemicals and nanomaterials. However, the full potential of these technologies in (nano)toxicology is yet to be realized. Here, we show that systems biology approaches can uncover mechanisms underlying cellular responses to nanomaterials. Using RNA Seq and computational approaches, we found that cationic poly(amidoamine) dendrimers (PAMAM-NH2) are capable of triggering down-regulation of cell-cycle-related genes in primary human bronchial epithelial cells at doses that do not elicit acute cytotoxicity, as demonstrated using conventional cell viability assays, while gene transcription was not affected by neutral PAMAM-OH dendrimers. The PAMAMs were internalized in an active manner by lung cells and localized mainly in lysosomes; amine-terminated dendrimers were internalized more efficiently when compared to the hydroxyl-terminated dendrimers. Upstream regulator analysis implicated NF-κB as a putative transcriptional regulator, and subsequent cell-based assays confirmed that PAMAM-NH2 caused NF-κB-dependent cell cycle arrest. However, PAMAM-NH2 did not affect cell cycle progression in the human A549 adenocarcinoma cell line. These results demonstrate the feasibility of applying systems biology approaches to predict cellular responses to nanomaterials and highlight the importance of using relevant (primary) cell models.
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Affiliation(s)
- Neus Feliu
- Nanosafety & Nanomedicine Laboratory, Division of Molecular Toxicology, and ‡Division of Lung and Airway Research, Institute of Environmental Medicine, Karolinska Institutet , Stockholm, Sweden
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Tintaru A, Ungaro R, Liu X, Chen C, Giordano L, Peng L, Charles L. Structural characterization of new defective molecules in poly(amidoamide) dendrimers by combining mass spectrometry and nuclear magnetic resonance. Anal Chim Acta 2015; 853:451-459. [DOI: 10.1016/j.aca.2014.10.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Revised: 10/25/2014] [Accepted: 10/29/2014] [Indexed: 11/17/2022]
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Gonzalo S, Rodea-Palomares I, Leganés F, García-Calvo E, Rosal R, Fernández-Piñas F. First evidences of PAMAM dendrimer internalization in microorganisms of environmental relevance: A linkage with toxicity and oxidative stress. Nanotoxicology 2014; 9:706-18. [PMID: 25325159 DOI: 10.3109/17435390.2014.969345] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This article reports novel results on the toxic mechanisms of action of amine- and hydroxyl-terminated poly(amidoamine) (PAMAM) dendrimers toward microorganisms of environmental relevance, namely a cyanobacterium of the genus Anabaena and the green alga Chlamydomonas reinhardtii. We used PAMAM ethylenediamine core dendrimers from generations G2 to G4, which displayed a positive charge, measured as ζ-potential, in culture media. All amine-terminated and most remarkably the G4 hydroxyl-terminated dendrimer inhibited the growth of both microorganisms. The effect on the growth of the green alga was significantly higher than that on the cyanobacterium. With concentrations expressed in terms of molarity, there was a clear relationship between dendrimer generation and toxicity, with higher toxicity for higher generation. Hormesis was observed for hydroxyl-terminated dendrimers at low concentrations. The cationic dendrimers and G4-OH significantly increased the formation of reactive oxygen species (ROS) in both organisms. ROS formation was not related with the chloroplast or photosynthetic membranes and photosystem II photochemistry was unaffected. Cell damage resulted in cytoplasm disorganization and cell deformities and was associated to an increase in ROS formation and lipid peroxidation in mitochondria in the green alga; cell wall and membrane disruption with apparent loss of cytoplasmic contents was found in the cyanobacterium. It was determined for the first time that cationic PAMAM dendrimers were quickly and largely internalized by both organisms. These results warn against the generalization of the use of dendrimers, which may pose significant risk for the environment and particularly for primary producers which are determinant for the health of natural ecosystems.
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Affiliation(s)
- Soledad Gonzalo
- Departamento de Ingeniería Química, Universidad de Alcalá , Alcalá de Henares, Madrid , Spain
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