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Dmitrieva VA, Tyutereva EV, Voitsekhovskaja OV. What can reactive oxygen species (ROS) tell us about the action mechanism of herbicides and other phytotoxins? Free Radic Biol Med 2024; 220:92-110. [PMID: 38663829 DOI: 10.1016/j.freeradbiomed.2024.04.233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/19/2024] [Accepted: 04/22/2024] [Indexed: 05/09/2024]
Abstract
Reactive oxygen species (ROS) are formed in plant cells continuously. When ROS production exceeds the antioxidant capacity of the cells, oxidative stress develops which causes damage of cell components and may even lead to the induction of programmed cell death (PCD). The levels of ROS production increase upon abiotic stress, but also during pathogen attack in response to elicitors, and upon application of toxic compounds such as synthetic herbicides or natural phytotoxins. The commercial value of many synthetic herbicides is based on weed death as result of oxidative stress, and for a number of them, the site and the mechanism of ROS production have been characterized. This review summarizes the current knowledge on ROS production in plants subjected to different groups of synthetic herbicides and natural phytotoxins. We suggest that the use of ROS-specific fluorescent probes and of ROS-specific marker genes can provide important information on the mechanism of action of these toxins. Furthermore, we propose that, apart from oxidative damage, elicitation of ROS-induced PCD is emerging as one of the important processes underlying the action of herbicides and phytotoxins.
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Affiliation(s)
- Valeria A Dmitrieva
- Laboratory of Molecular and Ecological Physiology, Komarov Botanical Institute of the Russian Academy of Sciences, Saint Petersburg, 197022, Russia; Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Saint Petersburg, 196608, Russia
| | - Elena V Tyutereva
- Laboratory of Molecular and Ecological Physiology, Komarov Botanical Institute of the Russian Academy of Sciences, Saint Petersburg, 197022, Russia
| | - Olga V Voitsekhovskaja
- Laboratory of Molecular and Ecological Physiology, Komarov Botanical Institute of the Russian Academy of Sciences, Saint Petersburg, 197022, Russia.
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2
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Toyama T, Kobayashi M, Rubiy Atno, Morikawa M, Mori K. Sulfamethoxazole removal and fuel-feedstock biomass production from wastewater in a phyto-Fenton process using duckweed culture. CHEMOSPHERE 2024; 361:142592. [PMID: 38866331 DOI: 10.1016/j.chemosphere.2024.142592] [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: 04/01/2024] [Revised: 05/31/2024] [Accepted: 06/10/2024] [Indexed: 06/14/2024]
Abstract
The phyto-Fenton process, which generates hydroxyl radicals through Fenton and Fenton-like reactions using plant-derived hydrogen peroxide (H2O2) and ferrous iron (Fe (II)) can degrade organic pollutants. Duckweed, an aquatic plant, is promising for a co-beneficial phytoremediation process that combines wastewater treatment and biomass production for biofuel feedstock. However, the phyto-Fenton process using duckweed has not been extensively studied. Because sulfamethoxazole (SMX), a major antibiotic, is distributed widely and is an emerging contaminant, its effective removal from contaminated water is necessary. The present study investigated the possibility of the simultaneous efficient removal of SMX from polluted water and biomass production for fuel feedstock by the phyto-Fenton process using duckweed. This is the first attempt to demonstrate the co-benefits of SMX removal and biomass production using duckweed. Intracellular H2O2 was produced using four duckweeds, Lemna aequinoctialis, L. minor, Landolina punctata, and Spirodela polyrhiza, in the range of 16.7-24.6 μ mol g-1 fresh weight, and extracellular H2O2 was released into the water phase. Consequently, duckweed could be used as an H2O2 supply source for the phyto-Fenton process. Specifically, 0.5 g fresh duckweed almost completely eliminated 1 mg L-1 SMX after 5 d in 50 mL sterile modified Hoagland solution containing 10 mM Fe (II). Fe (II)-dependent elimination of SMX indicated the occurrence of phyto-Fenton reaction. The phyto-Fenton process using duckweed effectively removed SMX. S. polyrhiza duckweed similarly removed 1 mg L-1 SMX even in sewage effluent containing other organic contaminants. During this treatment, duckweed biomass was generated at 7.95 g dry weight m-2 d-1, which was converted into methane at 353 normal liters CH4 kg-1 volatile solids by anaerobic digestion. For the first time, this study clearly demonstrates the potential for simultaneous SMX removal and biomass production from SMX-contaminated wastewater using duckweed.
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Affiliation(s)
- Tadashi Toyama
- Graduate Faculty of Interdisciplinary Research, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi, 400-8511, Japan.
| | - Maki Kobayashi
- Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi, 400-8511, Japan.
| | - Rubiy Atno
- Graduate Faculty of Interdisciplinary Research, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi, 400-8511, Japan.
| | - Masaaki Morikawa
- Division of Biosphere Science, Graduate School of Environmental Science, Hokkaido University, Kita-10 Nishi-5, Kita-ku, Sapporo, 060-0810, Japan.
| | - Kazuhiro Mori
- Graduate Faculty of Interdisciplinary Research, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi, 400-8511, Japan.
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3
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Barbosa GM, Calixto R, Nakazato RK, Tavares AR, Domingos M, Rinaldi MCS. Effects of heavy metals and high temperature on Atlantic Forest species: Analysis of their tolerance capacity. CHEMOSPHERE 2024; 361:142449. [PMID: 38801900 DOI: 10.1016/j.chemosphere.2024.142449] [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: 03/06/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
Changes in temperature and the deposition of potential pollutants in the soil, such as heavy metals, may damage plant communities, altering their physiological processes. High temperature may also cause a series of morpho-anatomical, physiological and biochemical changes in plants. However, tolerant plant species tend to restrict these harmful effects. The present study investigates the impact of atmospheric warming on the accumulation capacity of heavy metals (Zn, Ni, Cu) in the roots and leaves of a pioneer species (Croton floribundus) and a non-pioneer species (Esenbeckia leiocarpa) native to the Atlantic Forest of southeastern Brazil. The experimental design involved exposing the plants to two soil treatments: without excess metals (-M) and with excess metals (+M), along with varying thermoperiods of 26 °C day/19 °C night and 32 °C day/20 °C night in growth chambers. Over a 28-day period, we assessed weekly metal content, translocation, growth parameters, a non-enzymatic antioxidant (glutathione) and indicators of cell damage or oxidative stress (chlorophylls a and b, total chlorophyll (a+b), carotenoids, malondialdehyde and conjugated diene hydroperoxide contents). Both species exhibited increased metal accumulation under excess metals, employing distinct translocation strategies. C. floribundus showed high translocation rates of Ni to leaves and E. leiocarpa immobilized Ni in the roots. Atmospheric warming reduced Cu and Ni translocation from roots to leaves in both species. C. floribundus displayed lower physiological damage compared to E. leiocarpa, demonstrating robust growth. We concluded that the pioneer species possessed greater tolerance to oxidative stress induced by temperature and metal-related environmental factors than the non-pioneer species, confirming our hypothesis. In addition, our finding provides valuable insights for conservation and management of ecosystems affected by climatic and pollutant changes.
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Affiliation(s)
- Geane Martins Barbosa
- Instituto de Pesquisas Ambientais, Caixa, Postal 68041, 04045-972, São Paulo, Brazil.
| | - Regina Calixto
- Instituto de Pesquisas Ambientais, Caixa, Postal 68041, 04045-972, São Paulo, Brazil
| | | | | | - Marisa Domingos
- Instituto de Pesquisas Ambientais, Caixa, Postal 68041, 04045-972, São Paulo, Brazil
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4
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Zhao YC, Sha C, Zhao XM, Du JX, Zou L, Yong YC. Unnatural Direct Interspecies Electron Transfer Enabled by Living Cell-Cell Click Chemistry. Angew Chem Int Ed Engl 2024; 63:e202402318. [PMID: 38710653 DOI: 10.1002/anie.202402318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/29/2024] [Accepted: 05/06/2024] [Indexed: 05/08/2024]
Abstract
Direct interspecies electron transfer (DIET) is essential for maintaining the function and stability of anaerobic microbial consortia. However, only limited natural DIET modes have been identified and DIET engineering remains highly challenging. In this study, an unnatural DIET between Shewanella oneidensis MR-1 (SO, electron donating partner) and Rhodopseudomonas palustris (RP, electron accepting partner) was artificially established by a facile living cell-cell click chemistry strategy. By introducing alkyne- or azide-modified monosaccharides onto the cell outer surface of the target species, precise covalent connections between different species in high proximity were realized through a fast click chemistry reaction. Remarkably, upon covalent connection, outer cell surface C-type cytochromes mediated DIET between SO and RP was achieved and identified, although this was never realized naturally. Moreover, this connection directly shifted the natural H2 mediated interspecies electron transfer (MIET) to DIET between SO and RP, which delivered superior interspecies electron exchange efficiency. Therefore, this work demonstrated a naturally unachievable DIET and an unprecedented MIET shift to DIET accomplished by cell-cell distance engineering, offering an efficient and versatile solution for DIET engineering, which extends our understanding of DIET and opens up new avenues for DIET exploration and applications.
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Affiliation(s)
- Yi-Cheng Zhao
- Biofuel Institute and Institute for Energy Research, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China
| | - Chong Sha
- Biofuel Institute and Institute for Energy Research, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China
| | - Xing-Ming Zhao
- Biofuel Institute and Institute for Energy Research, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China
| | - Jia-Xin Du
- Biofuel Institute and Institute for Energy Research, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China
| | - Long Zou
- Nanchang Key Laboratory of Microbial Resources Exploitation & Utilization from Poyang Lake Wetland, College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China
| | - Yang-Chun Yong
- Biofuel Institute and Institute for Energy Research, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China
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5
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Guzman-Tordecilla M, Pacheco-Bustos C, Coronado-Posada N, Pedrosa-Gomes M, Martinez-Burgos WJ, Mejía-Marchena R, Zorman-Marques R. Exploring the ecotoxicological impact of meropenem on Lemna minor: Growth, photosynthetic activity, and oxidative stress. ENVIRONMENTAL RESEARCH 2024; 258:119409. [PMID: 38871272 DOI: 10.1016/j.envres.2024.119409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/22/2024] [Accepted: 06/10/2024] [Indexed: 06/15/2024]
Abstract
Meropenem is a potent carbapenem antibiotic frequently used in medical settings. Several studies have confirmed the pervasive presence of these antibiotics in wastewater treatment plants and aquatic environments. However, the effects of these substances on non-target organisms, such as plants, have not been adequately monitored. Thus, this study aimed to assess the short-term impact of meropenem on the growth, photosynthesis, chlorophyll content, and enzyme activity of the macrophyte plant Lemna minor. The methods involved exposing the plant to meropenem under controlled conditions and assessing physiological and biochemical parameters to determine the impact on photosynthetic activity and oxidative stress. These analyses included growth rate, antioxidant enzyme activity, and photosynthetic capacity. The findings suggest that the growth rate of Lemna minor remained unaffected by meropenem at concentrations <200000 μgL-1. However, plants exposed to concentrations >20 μgL-1showed physiological alterations, such as decreased net photosynthesis rate (17%) and chlorophyll concentration (57%), compared to the control group. For acute toxicity assays, the calculated EC50 7-day and EC20 7-day were 1135 μgL-1and 33 μgL-1, respectively. In addition, in most treatments tested, meropenem caused an increase in the superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX) activity as a defense mechanism against oxidative stress. Our results suggest that meropenem affects photosynthetic processes and induces oxidative stress in the macrophyte plant Lemna minor. Further studies are needed to assess the physiological and metabolic interactions between antibiotics and primary producers at different long-term trophic levels.
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Affiliation(s)
- Maria Guzman-Tordecilla
- Instituto de Estudios Hidráulicos y Ambientales (IDEHA), Departamento de Ingeniería Civil y Ambiental, Universidad del Norte, km 5 antigua vía a Puerto Colombia, Barranquilla, C.P. 081007, Colombia.
| | - Carlos Pacheco-Bustos
- Instituto de Estudios Hidráulicos y Ambientales (IDEHA), Departamento de Ingeniería Civil y Ambiental, Universidad del Norte, km 5 antigua vía a Puerto Colombia, Barranquilla, C.P. 081007, Colombia
| | - Nadia Coronado-Posada
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, C.P. 130014, Cartagena, Colombia
| | - Marcelo Pedrosa-Gomes
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Walter J Martinez-Burgos
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná Centro Politécnico, Curitiba, Paraná, C.P. 81531-990, Brazil
| | - Ricardo Mejía-Marchena
- Instituto de Estudios Hidráulicos y Ambientales (IDEHA), Departamento de Ingeniería Civil y Ambiental, Universidad del Norte, km 5 antigua vía a Puerto Colombia, Barranquilla, C.P. 081007, Colombia
| | - Raizza Zorman-Marques
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
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6
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Solomonova E, Shoman N, Akimov A. Physiological responses of the microalgae Thalassiosira weissflogii to the presence of the herbicide glyphosate in the medium. FUNCTIONAL PLANT BIOLOGY : FPB 2024; 51:FP23205. [PMID: 38669460 DOI: 10.1071/fp23205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 04/07/2024] [Indexed: 04/28/2024]
Abstract
We evaluated changes in growth, chlorophyll fluorescence and basic physiological and biochemical parameters of the microalgae Thalassiosira weissflogii cells under the influence of the herbicide glyphosate in concentrations 0, 25, 95 and 150μgL-1 . The toxic effect of glyphosate on algae is weakly dependent on the level of cell mineral nutrition. High concentrations of the herbicide do not lead to the death of microalgae but block the process of algae cell division. An increase in the glyphosate concentration in the medium leads to a slowdown or stop of algal growth, a decrease in their final biomass, an increase in the production of reactive oxygen species (ROS), depolarisation of mitochondrial membranes and metabolic activity of algae. Glyphosate inhibits the photosynthetic activity of cells and inhibits the relative rate of electron transport in the photosynthetic apparatus. Glyphosate at the studied concentrations does not affect the size characteristics of cells and the intracellular content of chlorophyll in T. weissflogii . The studied herbicide or products of its decay retain their toxic properties in the environment for at least 9days. This result shows the need for further in-depth studies to assess the physiological response and possible acclimation changes in the functional state of oxygenic phototrophs in response to the herbicide action. The species specificity of microalgae to the effects of glyphosate in natural conditions is potentially dangerous due to a possible change in the species structure of biocoenoses, in particular, a decrease in the contribution of diatoms.
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Affiliation(s)
- Ekaterina Solomonova
- A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, 2, Nakhimov Avenue, Sevastopol, Russian Federation
| | - Natalia Shoman
- A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, 2, Nakhimov Avenue, Sevastopol, Russian Federation
| | - Arkady Akimov
- A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, 2, Nakhimov Avenue, Sevastopol, Russian Federation
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7
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Klátyik S, Takács E, Barócsi A, Lenk S, Kocsányi L, Darvas B, Székács A. Hormesis, the Individual and Combined Phytotoxicity of the Components of Glyphosate-Based Formulations on Algal Growth and Photosynthetic Activity. TOXICS 2024; 12:257. [PMID: 38668480 PMCID: PMC11055126 DOI: 10.3390/toxics12040257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/29/2024]
Abstract
The occurrence of the market-leading glyphosate active ingredient in surface waters is a globally observed phenomenon. Although co-formulants in pesticide formulations were considered inactive components from the aspects of the required main biological effect of the pesticide, several studies have proven the high individual toxicity of formulating agents, as well as the enhanced combined toxicity of the active ingredients and other components. Since the majority of active ingredients are present in the form of chemical mixtures in our environment, the possible combined toxicity between active ingredients and co-formulants is particularly important. To assess the individual and combined phytotoxicity of the components, glyphosate was tested in the form of pure active ingredient (glyphosate isopropylammonium salt) and herbicide formulations (Roundup Classic and Medallon Premium) formulated with a mixture of polyethoxylated tallow amines (POEA) or alkyl polyglucosides (APG), respectively. The order of acute toxicity was as follows for Roundup Classic: glyphosate < herbicide formulation < POEA. However, the following order was demonstrated for Medallon Premium: herbicide formulation < glyphosate < APG. Increased photosynthetic activity was detected after the exposure to the formulation (1.5-5.8 mg glyphosate/L and 0.5-2.2 mg POEA/L) and its components individually (glyphosate: 13-27.2 mg/L, POEA: 0.6-4.8 mg/L), which indicates hormetic effects. However, decreased photosynthetic activity was detected at higher concentrations of POEA (19.2 mg/L) and Roundup Classic (11.6-50.6 mg glyphosate/L). Differences were demonstrated in the sensitivity of the selected algae species and, in addition to the individual and combined toxicity of the components presented in the glyphosate-based herbicides. Both of the observed inhibitory and stimulating effects can adversely affect the aquatic ecosystems and water quality of surface waters.
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Affiliation(s)
- Szandra Klátyik
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, H-2100 Gödöllő, Hungary; (S.K.); (E.T.)
| | - Eszter Takács
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, H-2100 Gödöllő, Hungary; (S.K.); (E.T.)
| | - Attila Barócsi
- Department of Atomic Physics, Institute of Physics, Budapest University of Technology and Economics, H-1111 Budapest, Hungary; (A.B.); (S.L.); (L.K.)
| | - Sándor Lenk
- Department of Atomic Physics, Institute of Physics, Budapest University of Technology and Economics, H-1111 Budapest, Hungary; (A.B.); (S.L.); (L.K.)
| | - László Kocsányi
- Department of Atomic Physics, Institute of Physics, Budapest University of Technology and Economics, H-1111 Budapest, Hungary; (A.B.); (S.L.); (L.K.)
| | - Béla Darvas
- Hungarian Society of Ecotoxicology, H-1022 Budapest, Hungary;
| | - András Székács
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, H-2100 Gödöllő, Hungary; (S.K.); (E.T.)
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8
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Eceiza MV, Jimenez-Martinez C, Gil-Monreal M, Barco-Antoñanzas M, Font-Farre M, Huybrechts M, van der Hoorn RL, Cuypers A, Royuela M, Zabalza A. Role of glutathione S-transferases in the mode of action of herbicides that inhibit amino acid synthesis in Amaranthus palmeri. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108506. [PMID: 38461753 DOI: 10.1016/j.plaphy.2024.108506] [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: 11/23/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
Acetolactate synthase inhibitors (ALS inhibitors) and glyphosate are two classes of herbicides that act by inhibiting an enzyme in the biosynthetic pathway of branched-chain or aromatic amino acids, respectively. Besides amino acid synthesis inhibition, both herbicides trigger similar physiological effects in plants. The main aim of this study was to evaluate the role of glutathione metabolism, with special emphasis on glutathione S-transferases (GSTs), in the mode of action of glyphosate and ALS inhibitors in Amaranthus palmeri. For that purpose, plants belonging to a glyphosate-sensitive (GLS) and a glyphosate-resistant (GLR) population were treated with different doses of glyphosate, and plants belonging to an ALS-inhibitor sensitive (AIS) and an ALS-inhibitor resistant (AIR) population were treated with different doses of the ALS inhibitor nicosulfuron. Glutathione-related contents, GST activity, and related gene expressions (glutamate-cysteine ligase, glutathione reductase, Phi GST and Tau GST) were analysed in leaves. According to the results of the analytical determinations, there were virtually no basal differences between GLS and GLR plants or between AIS and AIR plants. Glutathione synthesis and turnover did not follow a clear pattern in response to herbicides, but GST activity and gene expression (especially Phi GSTs) increased with both herbicides in treated sensitive plants, possibly related to the rocketing H2O2 accumulation. As GSTs offered the clearest results, these were further investigated with a multiple resistant (MR) population, compressing target-site resistance to both glyphosate and the ALS inhibitor pyrithiobac. As in single-resistant plants, measured parameters in the MR population were unaffected by herbicides, meaning that the increase in GST activity and expression occurs due to herbicide interactions with the target enzymes.
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Affiliation(s)
- Mikel V Eceiza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Clara Jimenez-Martinez
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Miriam Gil-Monreal
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - María Barco-Antoñanzas
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Maria Font-Farre
- The Plant Chemetics Laboratory, Department of Biology Sciences, University of Oxford, Oxford, UK
| | - Michiel Huybrechts
- Environmental Biology, Centre for Environmental Sciences, Hasselt University, B-3590, Diepenbeek, Belgium
| | - RenierA L van der Hoorn
- The Plant Chemetics Laboratory, Department of Biology Sciences, University of Oxford, Oxford, UK
| | - Ann Cuypers
- Environmental Biology, Centre for Environmental Sciences, Hasselt University, B-3590, Diepenbeek, Belgium
| | - Mercedes Royuela
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain
| | - Ana Zabalza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Universidad Pública de Navarra (UPNA), Campus de Arrosadia, Pamplona, Spain.
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9
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Walsh L, Hill C, Ross RP. Impact of glyphosate (Roundup TM) on the composition and functionality of the gut microbiome. Gut Microbes 2023; 15:2263935. [PMID: 38099711 PMCID: PMC10561581 DOI: 10.1080/19490976.2023.2263935] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 09/24/2023] [Indexed: 12/18/2023] Open
Abstract
Glyphosate, the active ingredient in the broad-spectrum herbicide RoundupTM, has been a topic of discussion for decades due to contradictory reports of the effect of glyphosate on human health. Glyphosate inhibits the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) of the shikimic pathway producing aromatic amino acids in plants, a mechanism that suggests that the herbicide would not affect humans as this pathway is not found in mammals. However, numerous studies have implicated glyphosate exposure in the manifestation of a variety of disorders in the human body. This review specifically outlines the potential effect of glyphosate exposure on the composition and functionality of the gut microbiome. Evidence has been building behind the hypothesis that the composition of each individual gut microbiota significantly impacts health. For this reason, the potential of glyphosate to inhibit the growth of beneficial microbes in the gut or alter their functionality is an important topic that warrants further consideration.
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Affiliation(s)
- Lauren Walsh
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - Colin Hill
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
| | - R. Paul Ross
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- School of Microbiology, University College Cork, Cork, Ireland
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10
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Traxler C, Gaines TA, Küpper A, Luemmen P, Dayan FE. The nexus between reactive oxygen species and the mechanism of action of herbicides. J Biol Chem 2023; 299:105267. [PMID: 37734554 PMCID: PMC10591016 DOI: 10.1016/j.jbc.2023.105267] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/23/2023] Open
Abstract
Herbicides are small molecules that act by inhibiting specific molecular target sites within primary plant metabolic pathways resulting in catastrophic and lethal consequences. The stress induced by herbicides generates reactive oxygen species (ROS), but little is known about the nexus between each herbicide mode of action (MoA) and their respective ability to induce ROS formation. Indeed, some herbicides cause dramatic surges in ROS levels as part of their primary MoA, whereas other herbicides may generate some ROS as a secondary effect of the stress they imposed on plants. In this review, we discuss the types of ROS and their respective reactivity and describe their involvement for each known MoA based on the new Herbicide Resistance Action Committee classification.
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Affiliation(s)
- Catherine Traxler
- Department of Agricultural Biology, Colorado State University, Fort Collins, Colorado, USA
| | - Todd A Gaines
- Department of Agricultural Biology, Colorado State University, Fort Collins, Colorado, USA
| | - Anita Küpper
- Plant Biotechnology Division, Bayer CropScience, Chesterfield, Missouri, USA
| | - Peter Luemmen
- Research & Development Division, Bayer AG, Industriepark Höchst, Frankfurt am Main, Germany
| | - Franck E Dayan
- Department of Agricultural Biology, Colorado State University, Fort Collins, Colorado, USA.
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Liu S, Rao J, Zhu J, Li G, Li F, Zhang H, Tao L, Zhou Q, Tao Y, Zhang Y, Huang K, Wei C. Integrated physiological, metabolite and proteomic analysis reveal the glyphosate stress response mechanism in tea plant (Camellia sinensis). JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131419. [PMID: 37099910 DOI: 10.1016/j.jhazmat.2023.131419] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/24/2023] [Accepted: 04/12/2023] [Indexed: 05/19/2023]
Abstract
Glyphosate residues can tremendously impact the physiological mechanisms of tea plants, thus threatening tea security and human health. Herein, integrated physiological, metabolite, and proteomic analyses were performed to reveal the glyphosate stress response mechanism in tea plant. After exposure to glyphosate (≥1.25 kg ae/ha), the leaf ultrastructure was damaged, and chlorophyll content and relative fluorescence intensity decreased significantly. The characteristic metabolites catechins and theanine decreased significantly, and the 18 volatile compounds content varied significantly under glyphosate treatments. Subsequently, tandem mass tags (TMT)-based quantitative proteomics was employed to identify the differentially expressed proteins (DEPs) and to validate their biological functions at the proteome level. A total of 6287 proteins were identified and 326 DEPs were screened. These DEPs were mainly catalytic, binding, transporter and antioxidant active proteins, involved in photosynthesis and chlorophyll biosynthesis, phenylpropanoid and flavonoid biosynthesis, sugar and energy metabolism, amino acid metabolism, and stress/defense/detoxification pathway, etc. A total of 22 DEPs were validated by parallel reaction monitoring (PRM), demonstrating that the protein abundances were consistent between TMT and PRM data. These findings contribute to our understanding of the damage of glyphosate to tea leaves and molecular mechanism underlying the response of tea plants to glyphosate.
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Affiliation(s)
- Shengrui Liu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Jia Rao
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Junyan Zhu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Guoqiang Li
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Fangdong Li
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Hongxiu Zhang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Lingling Tao
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Qianqian Zhou
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Yongning Tao
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Youze Zhang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Kelin Huang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China
| | - Chaoling Wei
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Processing, Ministry of Agriculture, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, People's Republic of China.
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12
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Kitamura RSA, Marques RZ, Kubis GC, Kochi LY, Barbato ML, Maranho LT, Juneau P, Gomes MP. The phytoremediation capacity of Lemna minor prevents deleterious effects of anti-HIV drugs to nontarget organisms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 329:121672. [PMID: 37080511 DOI: 10.1016/j.envpol.2023.121672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
We investigated physiological responses of Lemna minor plants and their capacity to remove tenofovir (TNF; 412 ng l-1), lamivudine (LMV; 5428 ng l-1) and/or efavirenz (EFV; 4000 ng l-1) from water through phytoremediation. In addition, the toxicological safety of water contaminated with these drugs after treatment with L. minor plants to photosynthetic microorganisms (Synechococcus elongatus and Chlorococcum infusionum) was evaluated. The tested environmental representative concentrations of drugs did not have a toxic effect on L. minor, and their tolerance mechanisms involved an increase in the activity of P450 and antioxidant enzymes (catalase and ascorbate peroxidase). L. minor accumulated significant quantities of TNF, LMV and EFV from the media (>70%), and the interactive effect of LMV and EFV increased EFV uptake by plants submitted to binary or tertiary mixture of drugs. Photosynthetic microorganisms exposed to TNF + LMV + EFV showed toxicological symptoms which were not observed when exposed to contaminated water previously treated with L. minor. An increased H2O2 concentrations but no oxidative damage in S. elongatus cells exposed to non-contaminated water treated with L. minor was observed. Due to its capacity to tolerate and reclaim anti-HIV drugs, L. minor plants must be considered in phytoremediation programs. They constitute a natural-based solution to decrease environmental contamination by anti-HIV drugs and toxicological effects of these pharmaceuticals to nontarget organisms.
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Affiliation(s)
- Rafael Shinji Akiyama Kitamura
- Programa de Pós-Graduação em Genérica, Universidade Federal do Paraná, Curitiba, Paraná, Brazil; Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Raizza Zorman Marques
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil; Programa de Pós-Graduação em Ciência dos Solo, Universidade Federal do Paraná, Rua dos Funcionários, 140, Juvevê, 80035-050, Curitiba, Paraná, Brazil
| | - Gabrielly Cristina Kubis
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Letícia Yoshi Kochi
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil; Programa de Pós-Graduação em Ecologia e Conservação, Universidade Federal do Paraná, Curitiba, Paraná, Brazil
| | - Marcello Locatelli Barbato
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil; Programa de Pós-Graduação em Ciência dos Solo, Universidade Federal do Paraná, Rua dos Funcionários, 140, Juvevê, 80035-050, Curitiba, Paraná, Brazil
| | - Leila Teresinha Maranho
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil; Programa de Pós-Graduação em Ecologia e Conservação, Universidade Federal do Paraná, Curitiba, Paraná, Brazil
| | - Philippe Juneau
- Ecotoxicology of Aquatic Microorganisms Laboratory, GRIL, EcotoQ, TOXEN, Department of Biological Sciences, Université du Québec à Montréal, Montréal, Succ. Centre-Ville, H3C 3P8, Montréal, QC, Canada
| | - Marcelo Pedrosa Gomes
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil.
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13
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Alam N, Siddique W, Mishra MK, Pandey A, Purshottam DK, Singh KJ, Tewari SK, Chakrabarty D. Micropropagation of Hoya carnosa, H. kerrii, H. parasitica, and H. longifolia using tray-based floating and stationary hydroponic systems. SCIENTIA HORTICULTURAE 2023; 311:111804. [DOI: 10.1016/j.scienta.2022.111804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/27/2023]
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14
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Santos GAND, Scherer Filho C, Schimpl FC, Souza SCRD, Nina Junior ADR, Garcia RPO, Silva JFD. Metabolism of guarana ( Paullinia cupana Kunth var. sorbilis) plants and fruit production subjected to glyphosate doses. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2023; 58:69-79. [PMID: 36747348 DOI: 10.1080/03601234.2023.2172275] [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: 06/18/2023]
Abstract
Guarana (Paullinia cupana Kunth var. sorbilis) is a typically Amazonian plant of high economic value due to the compounds found in its seed. For guarana to reach the maximum productive potential, management practices such as weed control are necessary. The use of herbicides is a viable alternative, however, its drift may lead to adverse effects on the primary and secondary plant metabolisms and cause losses in crop production. This study evaluated the differential drift effects of glyphosate doses on the physiology of guarana plants and the production of compounds of economic interest in their seeds. Glyphosate doses (57.6, 115.2, 230.4, 460.8 g ae ha-1) were applied to adult guarana plants after the flowering period. The photosynthetic functions and metabolism effects were evaluated. Herbicide treatments led to oxidative stress due to increased lipid peroxidation and increased carbohydrate and amino acid in their leaflets. Despite this, glyphosate showed no effect on fruit production or the content of secondary metabolites of commercial interest in seeds.
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Affiliation(s)
| | - Celso Scherer Filho
- Post-graduation Program in Animal Science, Federal University of Amazonas, Manaus, Amazonas, Brazil
| | - Flávia Camila Schimpl
- Federal Institute of Education, Science and Technology of Amazonas/Campus, Presidente Figueiredo, Amazonas, Brazil
| | | | | | | | - José Ferreira da Silva
- Department of Animal and Plant Production, Federal University of Amazonas, Manaus, Amazonas, Brazil
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15
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Zhou Y, Stepanenko A, Kishchenko O, Xu J, Borisjuk N. Duckweeds for Phytoremediation of Polluted Water. PLANTS (BASEL, SWITZERLAND) 2023; 12:589. [PMID: 36771672 PMCID: PMC9919746 DOI: 10.3390/plants12030589] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/28/2022] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Tiny aquatic plants from the Lemnaceae family, commonly known as duckweeds, are often regarded as detrimental to the environment because of their ability to quickly populate and cover the surfaces of bodies of water. Due to their rapid vegetative propagation, duckweeds have one of the fastest growth rates among flowering plants and can accumulate large amounts of biomass in relatively short time periods. Due to the high yield of valuable biomass and ease of harvest, duckweeds can be used as feedstock for biofuels, animal feed, and other applications. Thanks to their efficient absorption of nitrogen- and phosphate-containing pollutants, duckweeds play an important role in the restorative ecology of water reservoirs. Moreover, compared to other species, duckweed species and ecotypes demonstrate exceptionally high adaptivity to a variety of environmental factors; indeed, duckweeds remove and convert many contaminants, such as nitrogen, into plant biomass. The global distribution of duckweeds and their tolerance of ammonia, heavy metals, other pollutants, and stresses are the major factors highlighting their potential for use in purifying agricultural, municipal, and some industrial wastewater. In summary, duckweeds are a powerful tool for bioremediation that can reduce anthropogenic pollution in aquatic ecosystems and prevent water eutrophication in a simple, inexpensive ecologically friendly way. Here we review the potential for using duckweeds in phytoremediation of several major water pollutants: mineral nitrogen and phosphorus, various organic chemicals, and heavy metals.
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Affiliation(s)
- Yuzhen Zhou
- School of Life Science, Huaiyin Normal University, Huai’an 223300, China
| | - Anton Stepanenko
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
- Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Olena Kishchenko
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
- Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, 03143 Kyiv, Ukraine
| | - Jianming Xu
- School of Life Science, Huaiyin Normal University, Huai’an 223300, China
| | - Nikolai Borisjuk
- School of Life Science, Huaiyin Normal University, Huai’an 223300, China
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16
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Soares C, Fernandes B, Paiva C, Nogueira V, Cachada A, Fidalgo F, Pereira R. Ecotoxicological relevance of glyphosate and flazasulfuron to soil habitat and retention functions - Single vs combined exposures. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:130128. [PMID: 36303338 DOI: 10.1016/j.jhazmat.2022.130128] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/31/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Glyphosate (GLY) and flazasulfuron (FLA) are two non-selective herbicides commonly applied together. However, research focused on their single and combined ecotoxicological impacts towards non-target organisms is still inconclusive. Therefore, this study aimed to test their single effects on soil's habitat and retention functions, and to unravel their combined impacts to earthworms and terrestrial plants. For this, ecotoxicological assays were performed with plants (Medicago sativa), oligochaetes (Eisenia fetida) and collembola (Folsomia candida). Soil elutriates were also prepared and tested in macrophytes (Lemna minor) and microalgae (Raphidocelis subcapitata). FLA (82-413 µg kg-1) reduced earthworms' and collembola's reproduction and severely impaired M. sativa growth, being much more toxic than GLY (up to 30 mg kg-1). In fact, the latter only affected plant growth (≥ 9 mg kg-1) and earthworms (≥ 13 mg kg-1), especially at high concentrations, with no effects on collembola. Moreover, only elutriates from FLA-contaminated soils significantly impacted L. minor and R. sucapitata. The experiments revealed that the co-exposure to GLY and FLA enhanced the toxic effects of contaminated soils not only on plants but also on earthworms'. However, such increase in toxicity was dependent on GLY residual concentrations in soils. Overall, this work underpins that herbicides risk assessment should consider herbicides co-exposures, since the evaluation of single exposures is not representative of current phytosanitary practices and of the potential effects under field conditions, where residues of different compounds may persist in soils.
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Affiliation(s)
- Cristiano Soares
- GreenUPorto & INOV4AGRO - Sustainable Agrifood Production Research Centre, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.
| | - Beatriz Fernandes
- GreenUPorto & INOV4AGRO - Sustainable Agrifood Production Research Centre, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; CIIMAR - Interdisciplinary Centre of Marine & Environmental Research, Rua dos Bragas, n. 289, 4050-123 Porto, Portugal
| | - Cristiana Paiva
- GreenUPorto & INOV4AGRO - Sustainable Agrifood Production Research Centre, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Verónica Nogueira
- CIIMAR - Interdisciplinary Centre of Marine & Environmental Research, Rua dos Bragas, n. 289, 4050-123 Porto, Portugal; Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Anabela Cachada
- CIIMAR - Interdisciplinary Centre of Marine & Environmental Research, Rua dos Bragas, n. 289, 4050-123 Porto, Portugal; Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Fernanda Fidalgo
- GreenUPorto & INOV4AGRO - Sustainable Agrifood Production Research Centre, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Ruth Pereira
- GreenUPorto & INOV4AGRO - Sustainable Agrifood Production Research Centre, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
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17
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Eceiza MV, Barco-Antoñanzas M, Gil-Monreal M, Huybrechts M, Zabalza A, Cuypers A, Royuela M. Role of oxidative stress in the physiology of sensitive and resistant Amaranthus palmeri populations treated with herbicides inhibiting acetolactate synthase. FRONTIERS IN PLANT SCIENCE 2023; 13:1040456. [PMID: 36684786 PMCID: PMC9852854 DOI: 10.3389/fpls.2022.1040456] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
The aim of the present study was to elucidate the role of oxidative stress in the mode of action of acetolactate synthase (ALS) inhibiting herbicides. Two populations of Amaranthus palmeri S. Watson from Spain (sensitive and resistant to nicosulfuron, due to mutated ALS) were grown hydroponically and treated with different rates of the ALS inhibitor nicosulfuron (one time and three times the field recommended rate). Seven days later, various oxidative stress markers were measured in the leaves: H2O2, MDA, ascorbate and glutathione contents, antioxidant enzyme activities and gene expression levels. Under control conditions, most of the analysed parameters were very similar between sensitive and resistant plants, meaning that resistance is not accompanied by a different basal oxidative metabolism. Nicosulfuron-treated sensitive plants died after a few weeks, while the resistant ones survived, independently of the rate. Seven days after herbicide application, the sensitive plants that had received the highest nicosulfuron rate showed an increase in H2O2 content, lipid peroxidation and antioxidant enzymatic activities, while resistant plants did not show these responses, meaning that oxidative stress is linked to ALS inhibition. A supralethal nicosulfuron rate was needed to induce a significant oxidative stress response in the sensitive population, providing evidence that the lethality elicited by ALS inhibitors is not entirely dependent on oxidative stress.
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Affiliation(s)
- Mikel Vicente Eceiza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Pamplona, Spain
| | - María Barco-Antoñanzas
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Pamplona, Spain
| | - Miriam Gil-Monreal
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Pamplona, Spain
| | - Michiel Huybrechts
- Environmental Biology, Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
| | - Ana Zabalza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Pamplona, Spain
| | - Ann Cuypers
- Environmental Biology, Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium
| | - Mercedes Royuela
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Pamplona, Spain
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18
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Gomes MP, Dos Santos MP, de Freitas PL, Schafaschek AM, de Barros EN, Kitamura RSA, Paulete V, Navarro-Silva MA. The aquatic macrophyte Salvinia molesta mitigates herbicides (glyphosate and aminomethylphosphonic acid) effects to aquatic invertebrates. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:12348-12361. [PMID: 36109480 DOI: 10.1007/s11356-022-23012-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
We evaluated the individual and combined effects of different environmentally representative concentrations of glyphosate (0, 25, 50, 75, and 100 µg l-1) and aminomethylphosphonic acid (AMPA; 0, 12.5, 25, 37.5, and 50 µg l-1) on the physiology of Aedes aegypti larvae, as well as the capacity of the aquatic macrophyte Salvinia molesta to attenuate those compounds' toxicological effects. Larvae of Ae. aegypti (between the third and fourth larval stages) were exposed for 48 h to glyphosate and/or AMPA in the presence or absence of S. molesta. Glyphosate and AMPA induced sublethal responses in Ae. aegypti larvae during acute exposures. Plants removed up to 49% of the glyphosate and 25% of AMPA from the water, resulting in the exposure of larvae to lower concentration of those compounds in relation to media without plants. As a result, lesser effects of glyphosate and/or AMPA were observed on larval acetylcholinesterase, P450 reductase, superoxide dismutase, mitochondrial electron transport chain enzymes, respiration rates, and lipid peroxidation. In addition to evidence of deleterious effects by media contamination with glyphosate and AMPA on aquatic invertebrates, our results attest to the ability of S. molesta plants to mitigate the toxicological impacts of those contaminants.
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Affiliation(s)
- Marcelo Pedrosa Gomes
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Curitiba, Parana, 81531-980, Brazil.
| | - Mariana Perez Dos Santos
- Laboratório de Morfologia e Fisiologia de Culicidae E Chironomidae Departamento de Zoologia, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Parana, 81531-980, Curitiba, Brazil
| | - Patricia Lawane de Freitas
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Curitiba, Parana, 81531-980, Brazil
| | - Ana Marta Schafaschek
- Laboratório de Morfologia e Fisiologia de Culicidae E Chironomidae Departamento de Zoologia, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Parana, 81531-980, Curitiba, Brazil
| | - Emily Nentwing de Barros
- Laboratório de Morfologia e Fisiologia de Culicidae E Chironomidae Departamento de Zoologia, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Parana, 81531-980, Curitiba, Brazil
| | - Rafael Shinji Akiyama Kitamura
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Curitiba, Parana, 81531-980, Brazil
| | - Volnei Paulete
- Departamento de Solos e Engenharia Agrícola, Setor de Ciências Agrárias, Universidade Federal Do Paraná, Rua dos Funcionários, 1540, Cabral, Curitiba, Parana, 80035-050, Brazil
| | - Mario Antônio Navarro-Silva
- Laboratório de Morfologia e Fisiologia de Culicidae E Chironomidae Departamento de Zoologia, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Parana, 81531-980, Curitiba, Brazil
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19
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Ruuskanen S, Fuchs B, Nissinen R, Puigbò P, Rainio M, Saikkonen K, Helander M. Ecosystem consequences of herbicides: the role of microbiome. Trends Ecol Evol 2023; 38:35-43. [PMID: 36243622 DOI: 10.1016/j.tree.2022.09.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 12/14/2022]
Abstract
Non-target organisms are globally exposed to herbicides. While many herbicides - for example, glyphosate - were initially considered safe, increasing evidence demonstrates that they have profound effects on ecosystem functions via altered microbial communities. We provide a comprehensive framework on how herbicide residues may modulate ecosystem-level outcomes via alteration of microbiomes. The changes in soil microbiome are likely to influence key nutrient cycling and plant-soil processes. Herbicide-altered microbiome affects plant and animal performance and can influence trophic interactions such as herbivory and pollination. These changes are expected to lead to ecosystem and even evolutionary consequences for both microbes and hosts. Tackling the threats caused by agrochemicals to ecosystem functions and services requires tools and solutions based on a comprehensive understanding of microbe-mediated risks.
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Affiliation(s)
- Suvi Ruuskanen
- Department of Biological and Environmental Science, University of Jyväskylä, FI-40014 Jyväskylä, Finland; Department of Biology, University of Turku, FI-20014 Turku, Finland.
| | - Benjamin Fuchs
- Biodiversity Unit, University of Turku, FI-20014 Turku, Finland
| | - Riitta Nissinen
- Department of Biological and Environmental Science, University of Jyväskylä, FI-40014 Jyväskylä, Finland
| | - Pere Puigbò
- Department of Biology, University of Turku, FI-20014 Turku, Finland; Nutrition and Health Unit, Eurecat Technology Centre of Catalonia, Reus, Catalonia, Spain; Department of Biochemistry and Biotechnology, Rovira I Virgili University, Tarragona, Catalonia, Spain
| | - Miia Rainio
- Department of Biology, University of Turku, FI-20014 Turku, Finland
| | - Kari Saikkonen
- Biodiversity Unit, University of Turku, FI-20014 Turku, Finland
| | - Marjo Helander
- Department of Biology, University of Turku, FI-20014 Turku, Finland
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20
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Gomes MP, Kubis GC, Kitamura RSA, Figueredo CC, Nogueira KDS, Vieira F, Navarro-Silva MA, Juneau P. Do anti-HIV drugs pose a threat to photosynthetic microorganisms? CHEMOSPHERE 2022; 307:135796. [PMID: 35917978 DOI: 10.1016/j.chemosphere.2022.135796] [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: 06/06/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
We investigated the occurrence and risk assessment of three anti-HIV drugs [(tenofovir (TNF), lamivudine (LMV) and efavirenz (EFV)] in urban rivers from Curitiba (Brazil), as well as the individual and combined effects of their environmental representative concentrations on the freshwater periphytic species Synechococcus elongatus (Cyanobacteria) and Chlorococcum infusionum (Chlorophyta). The three studied drugs, except TNF, were found in 100% of the samples, and concentrations in samples ranged from 165 to 412 ng TNF L-1, 173-874 ng LMV L-1 and 13-1250 ng EFV L-1. Bioassays using artificial contaminated water showed that at environmental concentrations, TNF and LMV did not represent environmental risks to the studied photosynthetic organisms. However, EFV was shown to be toxic, affecting photosynthesis, respiration, and oxidative metabolism. The studied drugs demonstrated interactive effects. Indeed, when submitted to the combination of TNF and LMV, decreased photosynthesis was observed in C. infusionum cells. Moreover, the toxic effects of EFV were amplified in both species when TNF and/or LMV were added to the media. The simultaneous presence of TNF, LMV and EFV in environmental matrices associated with their interactive effects, lead to increased toxicological effects of water contaminated by anti-HIV drugs and thus to an ecological threat to photosynthetic microorganisms.
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Affiliation(s)
- Marcelo Pedrosa Gomes
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil.
| | - Gabrielly Cristina Kubis
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Rafael Shinji Akiyama Kitamura
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Cleber Cunha Figueredo
- Departamento de Botânica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerias, Avenida Antônio Carlos, 6627, Pampulha, C.P. 486, Belo Horizonte, 31270-901, Brazil
| | - Keite da Silva Nogueira
- Departamento de Patologia Básica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Fabio Vieira
- Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, C.P. 486, Belo Horizonte, Brazil
| | - Mario Antônio Navarro-Silva
- Laboratório de Morfologia e Fisiologia de Culicidae e Chironomidae. Departamento de Zoologia, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Philippe Juneau
- Ecotoxicology of Aquatic Microorganisms Laboratory, EcotoQ, GRIL, TOXEN, Department of Biological Sciences, Université du Québec à Montréal, Montréal, Succ. Centre-Ville, H3C 3P8, Montréal, QC, Canada.
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21
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Sun Z, Dzakpasu M, Zhang D, Liu G, Wang Z, Qu M, Chen R, Wang XC, Zheng Y. Enantioselectivity and mechanisms of chiral herbicide biodegradation in hydroponic systems. CHEMOSPHERE 2022; 307:135701. [PMID: 35842049 DOI: 10.1016/j.chemosphere.2022.135701] [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: 04/22/2022] [Revised: 07/01/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
This study demonstrates the enantioselective removal dynamics and mechanisms of the chiral herbicide metolachlor in a hydroponic system of Phragmites australis. It presents the first work to elucidate plant-microbial driven enantioselective degradation processes of chiral chemicals. The results showed a degradation efficiency of up to 95.07 ± 2.81% in the hydroponic system driven by a notably high degradation rate constant of 0.086 d-1. P. australis was demonstrated to rapidly increase the contribution of biodegradation pathways in the hydroponic system to 82.21 ± 4.81% within 4 d with an enantiomeric fraction (EF) drop to 0.26 ± 0.02 to favour the enantioselective degradation of S-Metolachlor (kS-Metolachlor = 0.568 d-1 and kR-Metolachlor = 0.147 d-1). Comparatively, the biodegradation pathways in the control constituted less than 25%, with an EF value of circa 0.5. However, the enantioselective biodegradation pathways exhibited complete reversal after about 4 d to favour R-Metolachlor. Plants promoted the degradation of R-Metolachlor, evidenced by an increase in EF to 0.59 ± 0.03. Nonetheless, metolachlor showed an inhibitory effect on plants reflected by the reduction of plant growth rate, chlorophyll content, and electron transport rate to -7.85 ± 1.52%, 1.33 ± 0.43 mg g-1, 4.03 ± 1.33 μmol (m2 s)-1, respectively. However, rhizosphere microorganisms aided plants to catalyze excessive reactive oxygen species production by the antioxidant enzymes to protect plants from oxidative damage and restore their physiological activities. High-throughput analysis of microbial communities demonstrated the enrichment of Massilia (40.63%) and Pseudomonas (8.16%) in the initial stage to promote the rapid degradation of S-Metolachlor. By contrast, the proliferation of Brevundimonas (32.29%) and Pseudarthrobacter (11.03%) in the terminal stage was closely associated with the degradation of R-Metolachlor. Moreover, as symbiotic bacteria of plants, these bacteria aided plants protection from reactive oxygen damages and promoted the recovery of plant metabolic functions and photosynthesis. Overall, these results demonstrate biodegradation mediated by plant-microbe mechanisms as the main driver for the enantioselective degradation of metolachlor in hydroponic systems.
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Affiliation(s)
- Zhuanzhuan Sun
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Mawuli Dzakpasu
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China; International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Dongxian Zhang
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Guochen Liu
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Zhenzhen Wang
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Miaowen Qu
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Rong Chen
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Xiaochang C Wang
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China; International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China
| | - Yucong Zheng
- Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, PR China.
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22
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Carbajal-Hernández AL, Arzate-Cárdenas MA, Valerio-García RC, Martínez-Jerónimo F. Commercial pesticides for urban applications induced population growth and sub-cellular alterations in Raphidocelis subcapitata (Chlorophyceae) at concerning environmental concentrations. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:1462-1476. [PMID: 36319920 DOI: 10.1007/s10646-022-02596-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Information regarding the safety and environmental risks of pesticides intended for urban use remains limited. This study aimed to assess the effects of four common pesticides on the microalga Raphidocelis subcapitata: DIAZINON® 25% C. E., Roundup®, URBACIN® 20C. E., and VAPODEL® 20% C. E., which are commercial formulations of diazinon, glyphosate, dichlorvos, and cypermethrin, respectively. According to 96-h inhibition of population growth bioassays, the four pesticide toxicities exemplified the following order: DIAZINON® (diazinon) > Roundup® (glyphosate) > VAPODEL® (dichlorvos) > URBACIN® (cypermethrin). Increasing pesticide concentrations elicited alterations in the specific growth rates (µmax). The macromolecule contents and photosynthetic pigments increased in groups exposed to the highest concentrations of DIAZINON® 25%, Roundup®, and URBACIN® 20 compared to the control group, despite these treatments inducing lower population growth rates. VAPODEL® 20% induced higher growth rates and lower macromolecule content compared to the control. Since active ingredients were not quantified, certain comparisons may prove limiting, but it is important to assess the effects of the whole mixtures in the form that they enter the environment, especially for urban-intended applications or generic formulations with higher additive contents. Finally, this study demonstrated that commercial pesticide formulations designed for urban applications might pose a threat to freshwater microalgae due to their underestimated toxic potential, but further studies are required.
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Affiliation(s)
- Ana Laura Carbajal-Hernández
- Laboratorio de Toxicología Acuática, Departamento de Química, Universidad Autónoma de Aguascalientes. Av. Universidad 940, Ciudad Universitaria, Aguascalientes, Ags, 20134, México
| | - Mario Alberto Arzate-Cárdenas
- Laboratorio de Toxicología Acuática, Departamento de Química, Universidad Autónoma de Aguascalientes. Av. Universidad 940, Ciudad Universitaria, Aguascalientes, Ags, 20134, México.
- Cátedras CONACYT. Consejo Nacional de Ciencia y Tecnología. Av. Insurgentes Sur 1582, Col. Crédito Constructor, Alcaldía Benito Juárez, Ciudad de México, 03940, México.
| | - Roberto Carlos Valerio-García
- Laboratorio de Química Organometálica, Departamento de Química, Universidad Autónoma de Aguascalientes. Av. Universidad 940, Ciudad Universitaria, Aguascalientes, Ags, 20134, México
| | - Fernando Martínez-Jerónimo
- Laboratorio de Hidrobiología Experimental, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional. Prolongación de Carpio y, Calle Plan de Ayala s/n, Ciudad de, México, 11340, México
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23
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Mesnage R, Panzacchi S, Bourne E, Mein CA, Perry MJ, Hu J, Chen J, Mandrioli D, Belpoggi F, Antoniou MN. Glyphosate and its formulations Roundup Bioflow and RangerPro alter bacterial and fungal community composition in the rat caecum microbiome. Front Microbiol 2022; 13:888853. [PMID: 36274693 PMCID: PMC9580462 DOI: 10.3389/fmicb.2022.888853] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 08/11/2022] [Indexed: 11/20/2022] Open
Abstract
The potential health consequences of glyphosate-induced gut microbiome alterations have become a matter of intense debate. As part of a multifaceted study investigating toxicity, carcinogenicity and multigenerational effects of glyphosate and its commercial herbicide formulations, we assessed changes in bacterial and fungal populations in the caecum microbiota of rats exposed prenatally until adulthood (13 weeks after weaning) to three doses of glyphosate (0.5, 5, 50 mg/kg body weight/day), or to the formulated herbicide products Roundup Bioflow and RangerPro at the same glyphosate-equivalent doses. Caecum bacterial microbiota were evaluated by 16S rRNA sequencing whilst the fungal population was determined by ITS2 amplicon sequencing. Results showed that both fungal and bacterial diversity were affected by the Roundup formulations in a dose-dependent manner, whilst glyphosate alone significantly altered only bacterial diversity. At taxa level, a reduction in Bacteroidota abundance, marked by alterations in the levels of Alloprevotella, Prevotella and Prevotellaceae UCG-003, was concomitant to increased levels of Firmicutes (e.g., Romboutsia, Dubosiella, Eubacterium brachy group or Christensenellaceae) and Actinobacteria (e.g., Enterorhabdus, Adlercreutzia, or Asaccharobacter). Treponema and Mycoplasma also had their levels reduced by the pesticide treatments. Analysis of fungal composition indicated that the abundance of the rat gut commensal Ascomycota Kazachstania was reduced while the abundance of Gibberella, Penicillium, Claviceps, Cornuvesica, Candida, Trichoderma and Sarocladium were increased by exposure to the Roundup formulations, but not to glyphosate. Altogether, our data suggest that glyphosate and its Roundup RangerPro and Bioflow caused profound changes in caecum microbiome composition by affecting the fitness of major commensals, which in turn reduced competition and allowed opportunistic fungi to grow in the gut, in particular in animals exposed to the herbicide formulations. This further indicates that changes in gut microbiome composition might influence the long-term toxicity, carcinogenicity and multigenerational effects of glyphosate-based herbicides.
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Affiliation(s)
- Robin Mesnage
- Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, Gene Expression and Therapy Group, King's College London, Guy's Hospital, London, United Kingdom
| | | | - Emma Bourne
- Genome Centre, Barts and the London School of Medicine and Dentistry, Blizard Institute, London, United Kingdom
| | - Charles A. Mein
- Genome Centre, Barts and the London School of Medicine and Dentistry, Blizard Institute, London, United Kingdom
| | - Melissa J. Perry
- Department of Environmental and Occupational Health, Milken Institute School of Public Health, George Washington University, Washington, DC, United States
| | - Jianzhong Hu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jia Chen
- Department of Environmental Medicine and Public Heath, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | | | | | - Michael N. Antoniou
- Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, Gene Expression and Therapy Group, King's College London, Guy's Hospital, London, United Kingdom
- *Correspondence: Michael N. Antoniou,
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24
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Zhao XL, Li P, Qu C, Lu R, Li ZH. Phytotoxicity of environmental norfloxacin concentrations on the aquatic plant Spirodela polyrrhiza: Evaluation of growth parameters, photosynthetic toxicity and biochemical traits. Comp Biochem Physiol C Toxicol Pharmacol 2022; 258:109365. [PMID: 35525467 DOI: 10.1016/j.cbpc.2022.109365] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/28/2022] [Accepted: 05/01/2022] [Indexed: 01/12/2023]
Abstract
As an emerging pollutant, the increasing use of antibiotics in wastewater posed a serious threat to non-target organisms in the environment. Duckweed (Spirodela polyrrhiza) is a common higher aquatic plant broadly used in phytotoxicity tests for xenobiotic substances. The aim of this study was to evaluate the chronic toxicity of norfloxacin (NOR) on Spirodela polyrrhiza during 18 days of exposure. Our study investigated the addition of NOR into the medium with environment-related concentrations (0, 0.1, 10, and 1000 μg L-1). Subsequently, biomarkers of toxicity such as growth, pigment, chlorophyll fluorescence parameters, indicators of oxidative stress, and osmotic regulatory substances content were analyzed in duckweed. In response to NOR exposure, obvious chlorosis, declines in growth and photosynthetic pigment, and photosystem II inhibition were noted in a concentration dependent manner. Reactive oxygen species (ROS) and antioxidant activity content increased in the treated fronds, which indicated that oxidative stress was specifically affected by NOR exposure. A slight increase in osmotic regulatory substances in NOR treated setups than in the control represented the increasing stress resistance. These results suggest NOR exerts its toxic effects on the aquatic plant Spirodela polyrrhiza.
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Affiliation(s)
- Xue-Li Zhao
- Marine College, Shandong University, Weihai, Shandong 264209, China
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong 264209, China
| | - Chunfeng Qu
- Marine College, Shandong University, Weihai, Shandong 264209, China
| | - Rong Lu
- Marine College, Shandong University, Weihai, Shandong 264209, China.
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong 264209, China.
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25
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Eceiza MV, Gil-Monreal M, Barco-Antoñanzas M, Zabalza A, Royuela M. The moderate oxidative stress induced by glyphosate is not detected in Amaranthus palmeri plants overexpressing EPSPS. JOURNAL OF PLANT PHYSIOLOGY 2022; 274:153720. [PMID: 35597108 DOI: 10.1016/j.jplph.2022.153720] [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: 02/04/2022] [Revised: 05/10/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
The present study aimed to determine whether glyphosate-induced oxidative stress is directly related to the action mechanism of this herbicide (5-enolpyruvylshikimate-3-phosphate synthase or EPSPS inhibition) and analyse the role of oxidative stress in glyphosate toxicity of the weed Amaranthus palmeri S. Wats. Two kinds of populations were studied using EPSPS amplification: glyphosate-sensitive and glyphosate-resistant (by gene amplification). Plants were grown hydroponically and treated with different glyphosate doses, after which several oxidative stress markers were measured in the leaves. Untreated, sensitive and resistant plants showed similar values for the analysed parameters. Treated glyphosate-sensitive plants showed an increase in shikimate, superoxide and H2O2 contents and dose-dependent lipid peroxidation and antioxidant responses; however, none of these effects were observed in resistant plants, indicating that glyphosate-induced oxidative stress is related to EPSPS inhibition. Oxidative stress is associated with an increase in the activity of peroxidases due to EPSPS inhibition, although the link between both processes remains elusive. The fact that some glyphosate doses were lethal but did not induce major oxidative damage provides evidence that glyphosate toxicity is independent of oxidative stress.
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Affiliation(s)
- Mikel Vicente Eceiza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Campus Arrosadia s/n, 31006, Pamplona, Spain
| | - Miriam Gil-Monreal
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Campus Arrosadia s/n, 31006, Pamplona, Spain
| | - María Barco-Antoñanzas
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Campus Arrosadia s/n, 31006, Pamplona, Spain
| | - Ana Zabalza
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Campus Arrosadia s/n, 31006, Pamplona, Spain
| | - Mercedes Royuela
- Institute for Multidisciplinary Research in Applied Biology (IMAB), Public University of Navarre, Campus Arrosadia s/n, 31006, Pamplona, Spain.
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26
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Puigbò P, Leino LI, Rainio MJ, Saikkonen K, Saloniemi I, Helander M. Does Glyphosate Affect the Human Microbiota? Life (Basel) 2022; 12:life12050707. [PMID: 35629374 PMCID: PMC9145961 DOI: 10.3390/life12050707] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 12/17/2022] Open
Abstract
Glyphosate is the world’s most widely used agrochemical. Its use in agriculture and gardening has been proclaimed safe because humans and other animals do not have the target enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS). However, increasing numbers of studies have demonstrated risks to humans and animals because the shikimate metabolic pathway is present in many microbes. Here, we assess the potential effect of glyphosate on healthy human microbiota. Our results demonstrate that more than one-half of human microbiome are intrinsically sensitive to glyphosate. However, further empirical studies are needed to determine the effect of glyphosate on healthy human microbiota.
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Affiliation(s)
- Pere Puigbò
- Department of Biology, University of Turku, 20500 Turku, Finland; (L.I.L.); (M.J.R.); (I.S.); (M.H.)
- Nutrition and Health Unit, Eurecat Technology Centre of Catalonia, 43204 Reus, Catalonia, Spain
- Department of Biochemistry and Biotechnology, Rovira i Virgili University, 43007 Tarragona, Catalonia, Spain
- Correspondence:
| | - Lyydia I. Leino
- Department of Biology, University of Turku, 20500 Turku, Finland; (L.I.L.); (M.J.R.); (I.S.); (M.H.)
| | - Miia J. Rainio
- Department of Biology, University of Turku, 20500 Turku, Finland; (L.I.L.); (M.J.R.); (I.S.); (M.H.)
| | - Kari Saikkonen
- Biodiversity Unit, University of Turku, 20500 Turku, Finland;
| | - Irma Saloniemi
- Department of Biology, University of Turku, 20500 Turku, Finland; (L.I.L.); (M.J.R.); (I.S.); (M.H.)
| | - Marjo Helander
- Department of Biology, University of Turku, 20500 Turku, Finland; (L.I.L.); (M.J.R.); (I.S.); (M.H.)
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27
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Strilbyska OM, Tsiumpala SA, Kozachyshyn II, Strutynska T, Burdyliuk N, Lushchak VI, Lushchak O. The effects of low-toxic herbicide Roundup and glyphosate on mitochondria. EXCLI JOURNAL 2022; 21:183-196. [PMID: 35221840 PMCID: PMC8859649 DOI: 10.17179/excli2021-4478] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/16/2021] [Indexed: 12/13/2022]
Abstract
The effects of pesticides on the health of non-target living organisms in agricultural areas are critically important aspects for their safe use. Their release into the environment is an inevitable aspect for predicting and evaluation of the risk of their application. Roundup, a glyphosate-based herbicide, has been designed as an effective pesticide against weeds and now is the most widely used agrochemicals around the world due to its highly specific action of the biosynthesis of certain amino acids in plants. Despite it is claimed to be low toxic for not-target organisms, due to its broad application Roundup and products of its degradation were detected in organisms of diverse animals and humans. In this review, we describe animal and human studies of general adverse effects of Roundup and its principal substance glyphosate with focus on endocrine disruption, oxidative stress and behavioral disorders. At mechanistic level, we focus on the potential toxicity of the herbicide Roundup and glyphosate as effectors of bioenergetic functions of mitochondria. Their effects on mitochondrial membrane potential and oxidative phosphorylation are among described to date critical components responsible for its toxicity. Finally, we discuss general molecular mechanisms potentially involved in the interaction between glyphosate and mitochondria which to some extent are associated with generation of reactive oxygen species.
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Affiliation(s)
- Olha M Strilbyska
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Sviatoslav A Tsiumpala
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Ivanna I Kozachyshyn
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Tetiana Strutynska
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Nadia Burdyliuk
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Volodymyr I Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine.,Research and Development University, 13a Shota Rustaveli Str., Ivano-Frankivsk, 76000, Ukraine
| | - Oleh Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine.,Research and Development University, 13a Shota Rustaveli Str., Ivano-Frankivsk, 76000, Ukraine
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28
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The Role of H2O2-Scavenging Enzymes (Ascorbate Peroxidase and Catalase) in the Tolerance of Lemna minor to Antibiotics: Implications for Phytoremediation. Antioxidants (Basel) 2022; 11:antiox11010151. [PMID: 35052655 PMCID: PMC8772849 DOI: 10.3390/antiox11010151] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/03/2022] [Accepted: 01/11/2022] [Indexed: 01/24/2023] Open
Abstract
We investigated the individual and combined contributions of two distinct heme proteins namely, ascorbate peroxidase (APX) and catalase (CAT) on the tolerance of Lemna minor plants to antibiotics. For our investigation, we used specific inhibitors of these two H2O2-scavenging enzymes (p-aminophenol, 3-amino,1,2,4-triazole, and salicylic acid). APX activity was central for the tolerance of this aquatic plant to amoxicillin (AMX), whereas CAT activity was important for avoiding oxidative damage when exposed to ciprofloxacin (CIP). Both monitored enzymes had important roles in the tolerance of Lemna minor to erythromycin (ERY). The use of molecular kinetic approaches to detect and increase APX and/or CAT scavenging activities could enhance tolerance, and, therefore, improve the use of L. minor plants to reclaim antibiotics from water bodies.
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Wang X, Lu Q, Guo J, Ares I, Martínez M, Martínez-Larrañaga MR, Wang X, Anadón A, Martínez MA. Oxidative Stress and Metabolism: A Mechanistic Insight for Glyphosate Toxicology. Annu Rev Pharmacol Toxicol 2022; 62:617-639. [PMID: 34990202 DOI: 10.1146/annurev-pharmtox-020821-111552] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Glyphosate (GLYP) is a widely used pesticide; it is considered to be a safe herbicide for animals and humans because it targets 5-enolpyruvylshikimate-3-phosphate synthase. However, there has been increasing evidence that GLYP causes varying degrees of toxicity. Moreover, oxidative stress and metabolism are highly correlated with toxicity. This review provides a comprehensive introduction to the toxicity of GLYP and, for the first time, systematically summarizes the toxicity mechanism of GLYP from the perspective of oxidative stress, including GLYP-mediated oxidative damage, changes in antioxidant status, altered signaling pathways, and the regulation of oxidative stress by exogenous substances. In addition, the metabolism of GLYP is discussed, including metabolites,metabolic pathways, metabolic enzymes, and the toxicity of metabolites. This review provides new ideas for the toxicity mechanism of GLYP and proposes effective strategies for reducing its toxicity.
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Affiliation(s)
- Xiaojing Wang
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
| | - Qirong Lu
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
| | - Jingchao Guo
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
| | - Irma Ares
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - Marta Martínez
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - María-Rosa Martínez-Larrañaga
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei 430070, China;
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
- MAO Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei 430070, China
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Wuhan, Hubei 430023, China
| | - Arturo Anadón
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
| | - María-Aránzazu Martínez
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Universidad Complutense de Madrid, and Research Institute Hospital 12 de Octubre, 28040 Madrid, Spain;
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Rocha CS, Rocha DC, Kochi LY, Carneiro DNM, Dos Reis MV, Gomes MP. Phytoremediation by ornamental plants: a beautiful and ecological alternative. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:3336-3354. [PMID: 34766223 DOI: 10.1007/s11356-021-17307-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
Phytoremediation is an eco-friendly and economical technology in which plants are used for the removal of contaminants presents in the urban and rural environment. One of the challenges of the technique is the proper destination of the biomass of plants. In this context, the use of ornamental plants in areas under contamination treatment improves landscape, serving as a tourist option and source of income with high added value. In addition to their high stress tolerance, rapid growth, high biomass production, and good root development, ornamental species are not intended for animal and human food consumption, avoiding the introduction of contaminants into the food web in addition to improving the environments with aesthetic value. Furthermore, ornamental plants provide multiple ecosystem services, and promote human well-being, while contributing to the conservation of biodiversity. In this review, we summarized the main uses of ornamental plants in phytoremediation of contaminated soil, air, and water. We discuss the potential use of ornamental plants in constructed buffer strips aiming to mitigate the contamination of agricultural lands occurring in the vicinity of sources of contaminants. Moreover, we underlie the ecological and health benefits of the use of ornamental plants in urban and rural landscape projects. This study is expected to draw attention to a promising decontamination technology combined with the beautification of urban and rural areas as well as a possible alternative source of income and diversification in horticultural production.
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Affiliation(s)
- Camila Silva Rocha
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Curitiba, , Paraná, 81531-980, Brazil
| | - Daiane Cristina Rocha
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Curitiba, , Paraná, 81531-980, Brazil
| | - Leticia Yoshie Kochi
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Curitiba, , Paraná, 81531-980, Brazil
| | - Daniella Nogueira Moraes Carneiro
- Laboratório de Micropropagação de Plantas, Departamento de Fitotecnia E Fitossanitaríssimo, Setor de Ciências Agrarias, Universidade Federal Do Paraná, Rua Dos Funcionário, 1540, Juvevê, Curitiba, Paraná, 80035-050, Brazil
| | - Michele Valquíria Dos Reis
- Horto Botânico, Departamento de Agricultura, Universidade Federal de Lavras, Lavras, Minas Gerais, 37200-900, Brazil
| | - Marcelo Pedrosa Gomes
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal Do Paraná, Avenida Coronel Francisco H. Dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, Curitiba, , Paraná, 81531-980, Brazil.
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Oláh V, Hepp A, Irfan M, Mészáros I. Chlorophyll Fluorescence Imaging-Based Duckweed Phenotyping to Assess Acute Phytotoxic Effects. PLANTS (BASEL, SWITZERLAND) 2021; 10:2763. [PMID: 34961232 PMCID: PMC8707530 DOI: 10.3390/plants10122763] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 12/02/2021] [Accepted: 12/09/2021] [Indexed: 06/12/2023]
Abstract
Duckweeds (Lemnaceae species) are extensively used models in ecotoxicology, and chlorophyll fluorescence imaging offers a sensitive and high throughput platform for phytotoxicity assays with these tiny plants. However, the vast number of potentially applicable chlorophyll fluorescence-based test endpoints makes comparison and generalization of results hard among different studies. The present study aimed to jointly measure and compare the sensitivity of various chlorophyll fluorescence parameters in Spirodela polyrhiza (giant duckweed) plants exposed to nickel, chromate (hexavalent chromium) and sodium chloride for 72 h, respectively. The photochemistry of Photosystem II in both dark- and light-adapted states of plants was assessed via in vivo chlorophyll fluorescence imaging method. Our results indicated that the studied parameters responded with very divergent sensitivity, highlighting the importance of parallelly assessing several chlorophyll fluorescence parameters. Generally, the light-adapted parameters were more sensitive than the dark-adapted ones. Thus, the former ones might be the preferred endpoints in phytotoxicity assays. Fv/Fm, i.e., the most extensively reported parameter literature-wise, proved to be the least sensitive endpoint; therefore, future studies might also consider reporting Fv/Fo, as its more responsive analogue. The tested toxicants induced different trends in the basic chlorophyll fluorescence parameters and, at least partly, in relative proportions of different quenching processes, suggesting that a basic distinction of water pollutants with different modes of action might be achievable by this method. We found definite hormetic patterns in responses to several endpoints. Hormesis occurred in the concentration ranges where the applied toxicants resulted in strong growth inhibition in longer-term exposures of the same duckweed clone in previous studies. These findings indicate that changes in the photochemical efficiency of plants do not necessarily go hand in hand with growth responses, and care should be taken when one exclusively interprets chlorophyll fluorescence-based endpoints as general proxies for phytotoxic effects.
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Affiliation(s)
- Viktor Oláh
- Department of Botany, Faculty of Science and Technology, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary; (A.H.); (M.I.); (I.M.)
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Sackey LNA, Mocová KA, Petrová Š, Kočí V. Toxicity of wood leachate to algae Desmodesmus subspicatus and plant Lemna minor. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:67150-67158. [PMID: 34247352 DOI: 10.1007/s11356-021-15319-x] [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: 06/25/2020] [Accepted: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Wood is one of the extensively used goods on the earth due to its large accessibility and usage in a wide range of human life. When woods are exposed to aquatic media, leachates are generated which may affect the quality of water and damage aquatic life into which they are discharged. This research seeks to evaluate the toxicity of linden (Tilia cordata), larch (Larix decidua) from the Czech Republic, cedrela (Cedrela odorata) and emire (Terminalia ivorensis) from Ghana wood leachates to two aquatic organisms (Desmodesmus subspicatus and Lemna minor). In algal and duckweed toxicity tests, these plants were exposed to different concentrations of wood leachate with nutrient medium creating concentration rates, 20, 30, 45, 67, and 100% v/v. High concentration of phenols and heavy metals may have contributed to toxicity. It was observed that the various wood leachates were inhibitory to the growth rate of algae and duckweed with emire exhibiting the highest toxicity with IC50 of 30.04% and 28.58% and larch the lowest toxicity with IC50 of 51.18% and 49.57% in relation to growth rate and chlorophyll respectively, hence indicating confirmed and potential toxicity of the various wood leachates to the aquatic organisms.
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Affiliation(s)
- Lyndon N A Sackey
- Department of Environmental Chemistry, University of Chemistry and Technology, Technická 5, Praha 6-Dejvice, 166 28, Prague, Czech Republic
| | - Klára A Mocová
- Department of Environmental Chemistry, University of Chemistry and Technology, Technická 5, Praha 6-Dejvice, 166 28, Prague, Czech Republic
| | - Šárka Petrová
- Laboratory of Plant Biotechnologies, Institute of Experimental Botany of the Czech Academy of Sciences, Rozvojová 263, 165 02, Prague, Czech Republic
| | - Vladimír Kočí
- Department of Environmental Chemistry, University of Chemistry and Technology, Technická 5, Praha 6-Dejvice, 166 28, Prague, Czech Republic.
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Mesnage R, Brandsma I, Moelijker N, Zhang G, Antoniou MN. Genotoxicity evaluation of 2,4-D, dicamba and glyphosate alone or in combination with cell reporter assays for DNA damage, oxidative stress and unfolded protein response. Food Chem Toxicol 2021; 157:112601. [PMID: 34626751 DOI: 10.1016/j.fct.2021.112601] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 09/03/2021] [Accepted: 10/04/2021] [Indexed: 12/30/2022]
Abstract
The current generation of carcinogenicity tests is often insufficient to predict cancer outcomes from pesticide exposures. In order to facilitate health risk assessment, The International Agency for Research on Cancer identified 10 key characteristics which are commonly exhibited by human carcinogens. The ToxTracker panel of six validated GFP-based mouse embryonic stem reporter cell lines is designed to measure a number of these carcinogenic properties namely DNA damage, oxidative stress and the unfolded protein response. Here we present an evaluation of the carcinogenic potential of the herbicides glyphosate, 2,4-D and dicamba either alone or in combination, using the ToxTracker assay system. The pesticide 2,4-D was found to be a strong inducer of oxidative stress and an unfolded protein response. Dicamba induced a mild oxidative stress response, whilst glyphosate did not elicit a positive outcome in any of the assays. The results from a mixture of the three herbicides was primarily an oxidative stress response, which was most likely due to 2,4-D with dicamba or glyphosate only playing a minor role. These findings provide initial information regarding the risk assessment of carcinogenic effects arising from exposure to a mixture of these herbicides.
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Affiliation(s)
- Robin Mesnage
- Gene Expression and Therapy Group, King's College London, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, Guy's Hospital, London, SE1 9RT, UK
| | - Inger Brandsma
- Toxys, De Limes 7, 2342, DH, Oegstgeest, the Netherlands
| | | | - Gaonan Zhang
- Toxys, De Limes 7, 2342, DH, Oegstgeest, the Netherlands
| | - Michael N Antoniou
- Gene Expression and Therapy Group, King's College London, Faculty of Life Sciences & Medicine, Department of Medical and Molecular Genetics, Guy's Hospital, London, SE1 9RT, UK.
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Rocha CS, Kochi LY, Ribeiro GB, Rocha DC, Carneiro DNM, Gomes MP. Evaluating aquatic macrophytes for removing erythromycin from contaminated water: floating or submerged? INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2021; 24:995-1003. [PMID: 34686072 DOI: 10.1080/15226514.2021.1991268] [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] [Indexed: 06/13/2023]
Abstract
Water contamination by antibiotics is an emerging global problem, with impacts on both public health and the environment. Erythromycin has been encountered in bodies of water throughout the world, which demands the development of efficient remediation technologies. We investigated the physiological responses and phytoremediation capacity of four species of aquatic macrophytes, two floating (Salvinia molesta and Lemna minor) and two submerged (Myriophyllum aquaticum and Rotala rotundifolia). The plants were exposed to relevant environmental concentrations of erythromycin (0 and 1.7 µg l-1) in artificially contaminated water for seven days. Physiological evaluations evidenced the ability of that antibiotic to promote oxidative events in those plants, such as the activation of antioxidant enzymes (ascorbate peroxidase and/or catalase). S. molesta exposed to erythromycin demonstrated accumulations of hydrogen peroxide and oxidative damage (lipid peroxidation) that was reflected in growth reductions. The erythromycin removal efficiency of floating plants varied from 9 to 12%, while submerged species varied from 31 to 44%. As such, submerged macrophyte species demonstrated the most efficient removal of erythromycin from contaminated waters, and are therefore more indicated for antibiotic phytoremediation projects.
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Affiliation(s)
- Camila Silva Rocha
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Centro Politécnico Jardim das Américas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Leticia Yoshie Kochi
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Centro Politécnico Jardim das Américas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Gabriela Breternitz Ribeiro
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Centro Politécnico Jardim das Américas, Universidade Federal do Paraná, Curitiba, Brazil
| | - Daiane Cristina Rocha
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Centro Politécnico Jardim das Américas, Universidade Federal do Paraná, Curitiba, Brazil
| | | | - Marcelo Pedrosa Gomes
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Centro Politécnico Jardim das Américas, Universidade Federal do Paraná, Curitiba, Brazil
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Mendes EJ, Malage L, Rocha DC, Kitamura RSA, Gomes SMA, Navarro-Silva MA, Gomes MP. Isolated and combined effects of glyphosate and its by-product aminomethylphosphonic acid on the physiology and water remediation capacity of Salvinia molesta. JOURNAL OF HAZARDOUS MATERIALS 2021; 417:125694. [PMID: 34229404 DOI: 10.1016/j.jhazmat.2021.125694] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/25/2021] [Accepted: 03/16/2021] [Indexed: 06/13/2023]
Abstract
We evaluate the isolated and combined effects of glyphosate and its by-product aminomethylphosphonic acid (AMPA) and the potential of the aquatic macrophyte Salvinia molesta to remove these chemicals from contaminated water. Plants were exposed to environmentally relevant concentrations of glyphosate (0, 20, 40, 60, 80 and 100 µg l-1) or AMPA (0, 10, 20, 30, 40 and 50 µg l-1) for seven days. Then, based on the effective concentrations of glyphosate found to reduce photosynthetic rates by 10% (EC10) and 50% (EC50), the plants were exposed to combinations of 0, 16 and 63.5 µg glyphosate l-1 and 0, 5, 15, 25 µg AMPA l-1. The EC(10) and EC(50) were lower for AMPA (6.1 µg l-1 and 28.4 µg l-1 respectively) than for glyphosate (16 and 63.5 µg glyphosate l-1 respectively). When occurring together, the deleterious effects of those chemicals to plants increased. S. molesta plants removed up to 74.15% of glyphosate and 71.34% of AMPA from culture water. Due to its high removal efficiency, S. molesta can be used in phytoremediation programs. It will be important to evaluate the combined effects of glyphosate and AMPA in any toxicological studies of the herbicide.
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Affiliation(s)
- Evelyn Joslin Mendes
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, Jardim das Américas, C.P. 19031, 81531-980 Curitiba, Paraná, Brazil
| | - Laura Malage
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, Jardim das Américas, C.P. 19031, 81531-980 Curitiba, Paraná, Brazil
| | - Daiane Cristina Rocha
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, Jardim das Américas, C.P. 19031, 81531-980 Curitiba, Paraná, Brazil
| | - Rafael Shinji Akiyama Kitamura
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, Jardim das Américas, C.P. 19031, 81531-980 Curitiba, Paraná, Brazil
| | - Sandra Maria Alvarenga Gomes
- Laboratório de Anatomia e Biomecânica Vegetal, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, Jardim das Américas, C.P. 19031, 81531-980 Curitiba, Paraná, Brazil
| | - Mario Antônio Navarro-Silva
- Laboratório de Morfologia e Fisiologia de Culicidae e Chironomidae. Departamento de Zoologia, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, Jardim das Américas, C.P. 19031, 81531-980 Curitiba, Paraná, Brazil
| | - Marcelo Pedrosa Gomes
- Laboratório de Fisiologia de Plantas sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Centro Politécnico, Avenida Coronel Francisco H. dos Santos, 100, Jardim das Américas, C.P. 19031, 81531-980 Curitiba, Paraná, Brazil.
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Lee H, Depuydt S, Shin K, Choi S, Kim G, Lee YH, Park JT, Han T, Park J. Assessment of Various Toxicity Endpoints in Duckweed ( Lemna minor) at the Physiological, Biochemical, and Molecular Levels as a Measure of Diuron Stress. BIOLOGY 2021; 10:biology10070684. [PMID: 34356539 PMCID: PMC8301316 DOI: 10.3390/biology10070684] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 07/08/2021] [Accepted: 07/15/2021] [Indexed: 11/16/2022]
Abstract
The common, broad-spectrum herbicide diuron poses some risks to the environment due to its long persistence and high toxicity. Therefore, the effective monitoring of diuron residues will inform efforts to assess its impacts on ecosystems. In this study, we evaluated the toxicity targets of diuron in the model aquatic macrophyte Lemna minor at the physiological (growth and photosynthetic efficiency), biochemical (pigment biosynthesis and reactive oxygen species (ROS) levels), and molecular (rbcL transcript) levels. The toxicity of diuron was detectable after 48 h of exposure and the order of sensitivity of toxicity endpoints was gene transcription > maximum electron transport rate (ETRmax) > non-photochemical quenching (NPQ) > maximum quantum yield (Fv/Fm) > ROS > fresh weight > chlorophyll b > chlorophyll a > total frond area > carotenoids. Under diuron stress, pigment, ROS, and gene transcript levels increased while frond area, fresh weight, and photosynthesis (Fv/Fm and ETRmax) gradually decreased with the increasing duration of exposure. Notably, ROS levels, Fv/Fm, frond area, and fresh weight were highly correlated with diuron concentration. The growth endpoints (frond area and fresh weight) showed a strong negative correlation with ROS levels and a positive correlation with Fv/Fm and ETRmax. These findings shed light on the relative sensitivity of different endpoints for the assessment of diuron toxicity.
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Affiliation(s)
- Hojun Lee
- Department of Marine Science, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Korea; (H.L.); (S.C.); (G.K.); (T.H.)
- Ghent University Global Campus, 119-5 Songdomunhwa-ro, Yeonsu-gu, Incheon 21985, Korea;
| | - Stephen Depuydt
- Ghent University Global Campus, 119-5 Songdomunhwa-ro, Yeonsu-gu, Incheon 21985, Korea;
| | - Kisik Shin
- Water Environmental Engineering Research Division, National Institute of Environmental Research, 42 Hwangyeong-ro, Seo-gu, Incheon 22689, Korea;
| | - Soyeon Choi
- Department of Marine Science, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Korea; (H.L.); (S.C.); (G.K.); (T.H.)
| | - Geonhee Kim
- Department of Marine Science, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Korea; (H.L.); (S.C.); (G.K.); (T.H.)
| | - Yun Haeng Lee
- Division of Life Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Korea; (Y.H.L.); (J.T.P.)
| | - Joon Tae Park
- Division of Life Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Korea; (Y.H.L.); (J.T.P.)
| | - Taejun Han
- Department of Marine Science, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Korea; (H.L.); (S.C.); (G.K.); (T.H.)
- Ghent University Global Campus, 119-5 Songdomunhwa-ro, Yeonsu-gu, Incheon 21985, Korea;
| | - Jihae Park
- Ghent University Global Campus, 119-5 Songdomunhwa-ro, Yeonsu-gu, Incheon 21985, Korea;
- Correspondence:
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Yu H, Peng J, Cao X, Wang Y, Zhang Z, Xu Y, Qi W. Effects of microplastics and glyphosate on growth rate, morphological plasticity, photosynthesis, and oxidative stress in the aquatic species Salvinia cucullata. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 279:116900. [PMID: 33744626 DOI: 10.1016/j.envpol.2021.116900] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/10/2021] [Accepted: 03/04/2021] [Indexed: 06/12/2023]
Abstract
Glyphosate and microplastics are widely found in marine, terrestrial, and freshwater environments due to their globally widespread application. Further, they have proved to have specific ecotoxicity effects on aquatic plants. However, few studies have focused on the effects of small plastic particles and glyphosate, or especially, their combined effect on vascular plants in freshwater ecosystems. This study aimed to conduct a simulated greenhouse experiment to investigate the ecotoxicity of polystyrene microplastics and glyphosate on the floating plant Salvinia cucullata by exposure to fluorescent polystyrene microplastics (1 μm; concentration, 3, 15, and 75 mg/L), glyphosate (5, 25, and 50 mg/L), and a mixture of the two (3 + 5, 15 + 25, and 75 + 50 mg/L) for seven days. Glyphosate significantly reduced the relative growth rate, photosynthetic capacity, and root activity of S. cucullata. Polystyrene microplastics did not significantly influence photosynthesis or leaf morphological characteristics but they significantly reduced relative growth rate and root activity in S. cucullata, indicating that the effects of microplastics on aquatic plants are potentially associated with different organs exposed to pollution. Polystyrene microplastics and glyphosate activated the plant antioxidant defense systems by increasing antioxidative enzyme activities including, superoxide dismutase, ascorbate peroxidase, and catalase to cope with oxidative stress. Synergistic effects (only observed in percent leaf yellowing) were observed when S. cucullata was exposed to a high concentrations (≥15 + 25 mg/L) of glyphosate and microplastics. Our results indicate that pervasive microplastics and herbicide contamination in freshwater may potentially affect the growth of aquatic plants.
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Affiliation(s)
- Hongwei Yu
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China; The National Field Station of Freshwater Ecosystem of Liangzi Lake, Department of Ecology, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Jianfeng Peng
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Xiaofeng Cao
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Yajun Wang
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Zhiqiang Zhang
- The National Field Station of Freshwater Ecosystem of Liangzi Lake, Department of Ecology, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Yan Xu
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Weixiao Qi
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China.
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de Souza Rodrigues J, Ventura RB, da Silva Santos RT, Bacha AL, Gratão PL, Grey TL, da Costa Aguiar Alves PL. Effect of subdoses of sugarcane ripeners on lettuce physiology in a drift scenario. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:575-584. [PMID: 33755842 DOI: 10.1007/s10646-021-02375-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
In order to understand the physiological effects of ripeners in sensitive crops, the objective of this work was to evaluate the effect of subdoses of the ripeners glyphosate, trinexapac-ethyl and sulfometuron methyl commonly used in sugarcane, in the growth of lettuce cultivar 'Lucy Brown' and 'Vanda'. To address the effects of the products in the lettuce physiology, analyses of fresh weight, dry weight, number of leaves, chlorophyll content, quantum efficiency of photosystem II, lipid peroxidation (MDA), hydrogen peroxide (H2O2), glutathione reductase (GR), guaiacol peroxidase (GPOX) were performed. We observed that among the products tested, glyphosate had minor impact on plant growth, compared to trinexapac-ethyl and sulfometuron methyl. All products induced a decrease in chlorophyll content for both cultivars. Chlorophyll A fluorescence suffered a major reduction with trinexapac-ethyl and sulfometuron methyl in 'Vanda' and no differences were observed for 'Lucy Brown'. MDA content and enzyme quantification varied by cultivar and the sugarcane ripener tested. By disturbing chlorophyll content and quantum efficiency of photosystem II, through these sugarcane ripeners did not have direct mode of action affecting photosystem II, they can cause some level of damage and activate different mechanisms and at different times, in response to stress. In this sense, it is possible to observe that reduced doses of glyphosate, trinexapac ethyl, and sulfometuron methyl affect the development of lettuce at different levels and trigger an oxidative response that was cultivar dependent.
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Affiliation(s)
- Juliana de Souza Rodrigues
- UNESP/FCAV, Sao Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S/N - Vila Industrial, Jaboticabal, Sao Paulo, Brazil.
- University of Georgia, 2360 Rainwater Road, Tifton, Georgia, USA.
| | - Ricardo Borjas Ventura
- UNESP/FCAV, Sao Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S/N - Vila Industrial, Jaboticabal, Sao Paulo, Brazil
- Universidad Nacional Agraria La Molina, Av. La Molina S/N, La Molina, Lima, Peru
| | - Renata Thaysa da Silva Santos
- UNESP/FCAV, Sao Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S/N - Vila Industrial, Jaboticabal, Sao Paulo, Brazil
| | - Allan Lopes Bacha
- UNESP/FCAV, Sao Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S/N - Vila Industrial, Jaboticabal, Sao Paulo, Brazil
| | - Priscila Lupino Gratão
- UNESP/FCAV, Sao Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S/N - Vila Industrial, Jaboticabal, Sao Paulo, Brazil
| | | | - Pedro Luís da Costa Aguiar Alves
- UNESP/FCAV, Sao Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S/N - Vila Industrial, Jaboticabal, Sao Paulo, Brazil
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Cruz CES, de Freitas-Silva L, Ribeiro C, da Silva LC. Physiological and morphoanatomical effects of glyphosate in Eugenia uniflora, a Brazilian plant species native to the Atlantic Forest biome. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:21334-21346. [PMID: 33411283 DOI: 10.1007/s11356-020-12003-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
The herbicide glyphosate can cause severe ecotoxicological effects on non-target organisms. Eugenia uniflora L. (Myrtaceae) is very important for in situ environmental biomonitoring due to its wide distribution in the Atlantic Forest biome. Thus, this study aimed to evaluate the response of E. uniflora leaves to glyphosate. Eight-month-old plants were exposed to an aerial application of the herbicide at concentrations of 0, 144, 432, 864, and 1440 g a. e. ha-1 (grams of acid equivalent per hectare). Evaluations were performed on the 12th day after the glyphosate application (DAA). An accumulation of shikimic acid in the leaves of E. uniflora was observed. Glyphosate altered the photosynthetic parameters of the treated plants, with a drastic decrease in the photosynthetic rate, stomatal conductance, transpiration, and pigment content. There was an increase in Ci/Ca, lipid peroxidation, and electrolyte extravasation levels. Glyphosate also promoted ultrastructural, anatomical and visible damage to the E. uniflora leaves. Our findings indicate that glyphosate is phytotoxic to the native species E. uniflora at the tested doses. The presence of visible damage suggests that E. uniflora has remarkable potential as a bioindicator of glyphosate in the environment, making it a possible species for future biomonitoring projects.
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Leino L, Tall T, Helander M, Saloniemi I, Saikkonen K, Ruuskanen S, Puigbò P. Classification of the glyphosate target enzyme (5-enolpyruvylshikimate-3-phosphate synthase) for assessing sensitivity of organisms to the herbicide. JOURNAL OF HAZARDOUS MATERIALS 2021; 408:124556. [PMID: 33243645 DOI: 10.1016/j.jhazmat.2020.124556] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 10/01/2020] [Accepted: 11/10/2020] [Indexed: 06/11/2023]
Abstract
Glyphosate is the most common broad-spectrum herbicide. It targets the key enzyme of the shikimate pathway, 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), which synthesizes three essential aromatic amino acids (phenylalanine, tyrosine and tryptophan) in plants. Because the shikimate pathway is also found in many prokaryotes and fungi, the widespread use of glyphosate may have unsuspected impacts on the diversity and composition of microbial communities, including the human gut microbiome. Here, we introduce the first bioinformatics method to assess the potential sensitivity of organisms to glyphosate based on the type of EPSPS enzyme. We have precomputed a dataset of EPSPS sequences from thousands of species that will be an invaluable resource to advancing the research field. This novel methodology can classify sequences from nearly 90% of eukaryotes and >80% of prokaryotes. A conservative estimate from our results shows that 54% of species in the core human gut microbiome are sensitive to glyphosate.
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Affiliation(s)
- Lyydia Leino
- Department of Biology, University of Turku, Turku, Finland
| | - Tuomas Tall
- Department of Biology, University of Turku, Turku, Finland
| | - Marjo Helander
- Department of Biology, University of Turku, Turku, Finland
| | - Irma Saloniemi
- Department of Biology, University of Turku, Turku, Finland
| | | | - Suvi Ruuskanen
- Department of Biology, University of Turku, Turku, Finland
| | - Pere Puigbò
- Department of Biology, University of Turku, Turku, Finland; Nutrition and Health Unit, Eurecat Technology Centre of Catalonia, Reus, Catalonia, Spain; Department of Biochemistry and Biotechnology, Rovira i Virgili University, Tarragona, Catalonia, Spain.
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da Costa YKS, Ribeiro NM, de Moura GCP, Oliveira AR, Bianco S, Alcántara-de la Cruz R, de Carvalho LB. Effect of glyphosate and P on the growth and nutrition of Coffea arabica cultivars and on weed control. Sci Rep 2021; 11:8095. [PMID: 33854106 PMCID: PMC8047001 DOI: 10.1038/s41598-021-87541-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 03/31/2021] [Indexed: 11/15/2022] Open
Abstract
The effect of the phosphorus (P) and glyphosate interactions on the growth and nutrition of Arabica coffee cultivars (Coffea arabica), as well as on the control of Ipomoea grandifolia and Urochloa decumbens, was evaluated. Catuaí-Amarelo/IAC-62 and Catuaí-Vermelho/IAC-144 cultivars did not show glyphosate poisoning, regardless of the soil P content. However, glyphosate reduced the growth of Catuaí-Vermelho/IAC-144. In addition, the soil P content influenced the height, leaf area and dry matter of Catuaí-Amarelo/IAC-62, and the absorption of P and Ca in both cultivars. On the other hand, glyphosate efficiently controlled U. decumbens but not I. grandifolia. Glyphosate effectiveness on I. grandifolia decreased as the soil P content increased. In addition, the soil P content and the glyphosate influenced the P content in I. grandifolia and U. decumbens plants. The soil P content influenced the growth and absorption of other nutrients by coffee plants as well as glyphosate effectiveness on weed control.
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Affiliation(s)
- Yanna Karoline Santos da Costa
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, 14884-900, Brazil.
| | - Nagilla Moraes Ribeiro
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, 14884-900, Brazil
| | | | - Artur Rodrigues Oliveira
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, 14884-900, Brazil
| | - Silvano Bianco
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, 14884-900, Brazil
| | | | - Leonardo Bianco de Carvalho
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, 14884-900, Brazil
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Telahigue K, Rabeh I, Hajji T, Trabelsi W, Fouzai C, Nechi S, Chelbi E, El Cafsi M, Soudani N. Assessment of the impacts of glyphosate and its commercial formulation Roundup® on the respiratory tree of the sea cucumber Holothuria forskali using a multivariate biomarker approach. CHEMOSPHERE 2021; 269:129376. [PMID: 33385670 DOI: 10.1016/j.chemosphere.2020.129376] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 06/12/2023]
Abstract
In this study, the potential hazardous impacts of the technical grade glyphosate acid (GLY) and its commercial formulation roundup (RD®) were evaluated for the first time on holothurians. To do this, redox status, fatty acid (FA) profile, and histopathology aspects were assessed in the respiratory tree tissue of the sea cucumber Holothuria forskali following short-term exposure (96 h) to a series of concentrations (10, 100 and 1000 μg L-1) of GLY and RD® (glyphosate acid equivalent). Our results showed that both GLY and RD® promoted oxidative stress highlighted with an increase of hydrogen peroxide (H2O2), malondialdehyde (MDA), lipid peroxides (LOOH) and advanced oxidation protein product (AOPP) levels in all treated groups. In addition, both glyphosate forms were found to perturb the FA composition. However, changes in saturated (SFA) and polyunsaturated (PUFA) including some essential FA (LA, ARA, EPA and DHA) revealed differential compensatory/adaptive processes in H. forskali depending on the treatment. GLY and RD® were also found to modulate the enzymatic (glutathione S-transferases, glutathione peroxidase and catalase) and non-enzymatic (reduced glutathione and ascorbic acid) antioxidant defense status. Taken together, our results revealed that the commercial formulation produced more pronounced effects on H. forskali respiratory tree than the pure form. This finding was further confirmed by the histological observations.
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Affiliation(s)
- Khaoula Telahigue
- LR18ES41 Lab. of Ecology, Biology and Physiology of Aquatic Organisms, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia.
| | - Imen Rabeh
- LR18ES41 Lab. of Ecology, Biology and Physiology of Aquatic Organisms, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Tarek Hajji
- BVBGR-LR11ES31, Higher Institute of Biotechnology - Sidi Thabet, Biotechpole Sidi Thabet, Univ. Manouba, 2020, Ariana, Tunisia
| | - Wafa Trabelsi
- LR18ES41 Lab. of Ecology, Biology and Physiology of Aquatic Organisms, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Chaima Fouzai
- LR18ES41 Lab. of Ecology, Biology and Physiology of Aquatic Organisms, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Salwa Nechi
- Anatomy and Cytology Service, CHU Mohamed Taher Maamouri Hospital, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Emna Chelbi
- Anatomy and Cytology Service, CHU Mohamed Taher Maamouri Hospital, University Tunis El Manar, 2092, Tunis, Tunisia
| | - M'hamed El Cafsi
- LR18ES41 Lab. of Ecology, Biology and Physiology of Aquatic Organisms, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
| | - Nejla Soudani
- LR18ES41 Lab. of Ecology, Biology and Physiology of Aquatic Organisms, Faculty of Sciences of Tunis, University Tunis El Manar, 2092, Tunis, Tunisia
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Fu H, Gao F, Wang X, Tan P, Qiu S, Shi B, Shan A. Effects of glyphosate-based herbicide-contaminated diets on reproductive organ toxicity and hypothalamic-pituitary-ovarian axis hormones in weaned piglets. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 272:115596. [PMID: 33243543 DOI: 10.1016/j.envpol.2020.115596] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 08/11/2020] [Accepted: 08/30/2020] [Indexed: 06/11/2023]
Abstract
At present, glyphosate (GLP) is the most produced and used herbicide in the world. With the large-scale use of glyphosate-based herbicides (GBHs), their toxic effects on animals and plants have increasingly become a concern. Based on the Codex Alimentarius Commission (CODEX) dose (20 mg kg-1) and the dose set by the government (40 mg kg-1), four experimental groups in which Roundup® (R) herbicide was added to the feed of weaned piglets at GLP concentrations of 0, 10, 20, and 40 mg kg-1 were designed. The results showed that R had no significant effect on the vulvar size or index of reproductive organs but that it could affect the tissue morphology and ultrastructure of the uterus and ovary. With the increase in GLP concentration, the activities of antioxidant enzymes [SOD (P < 0.05) and GPx (P = 0.002)] in the uterus showed significant increases. Compared with the control group, the content of hydrogen peroxide (H2O2) in the treatment groups increased significantly (P < 0.05), the malondialdehyde (MDA) content in the 10 mg kg-1 treatment group was significantly higher than that in the control group. We measured hypothalamic-pituitary-ovarian axis (HPOA) hormones and also found that GLP significantly increased luteinizing hormone-releasing hormone (LHRH), gonadotropin-releasing hormone (GnRH) and testosterone (T) content (P < 0.05) and decreased follicle-stimulating hormone (FSH) content (P < 0.05). In summary, although R does not affect the vulvar size or reproductive organ index of weaned piglets, it changes the morphology and ultrastructure of the uterus and ovaries, interferes with the synthesis and secretion of HPOA hormones, and causes changes in the balance of the antioxidant system of uterus. This study provided a theoretical basis for preventing reproductive system harm caused by GBHs.
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Affiliation(s)
- Huiyang Fu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China
| | - Feng Gao
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China
| | - Xiaoxu Wang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China
| | - Peng Tan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China
| | - Shengnan Qiu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China
| | - Baoming Shi
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Anshan Shan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin, 150030, PR China
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Ferramosca A, Lorenzetti S, Di Giacomo M, Murrieri F, Coppola L, Zara V. Herbicides glyphosate and glufosinate ammonium negatively affect human sperm mitochondria respiration efficiency. Reprod Toxicol 2021; 99:48-55. [PMID: 33249231 DOI: 10.1016/j.reprotox.2020.11.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/19/2020] [Accepted: 11/16/2020] [Indexed: 12/25/2022]
Abstract
The widespread cultivation of genetically modified organisms (GMOs) led to a widespread use of selective herbicides to which GMOs are resistant, thus increasing the concern about human exposure to them. Glyphosate (GLY) and glufosinate ammonium (GA), the active principles of the main formulations, have been investigated for their effects on human health, mainly cancer and reproductive toxicity. However, little is known about their effects on the molecular mechanisms related to sperm quality. To investigate the effects of GLY and GA on mitochondrial respiration efficiency, we took advantage of our already established ex vivo human sperm mitochondria assay. Since spermatozoa are highly regulated by sex steroids, we tested at first testosterone (T), di-hydroxytestosterone (DHT), 17β-estradiol (E2) and progesterone (P4). Then, we tested the effects of GLY and GA and of the hormone-like flavonoid quercetin (QRC) in a dose-dependent manner. The 0.1-1000 nM concentration range has been considered because it covers both the sexual hormones physiologically relevant concentrations (10 nM), triggering endogenously hormone-dependent signaling pathways, and the estimated (nM range) QRC dietary intake. Subsequently, co-incubation experiments were carried out with the two herbicides in the presence of 10 nM of each sex steroid and QRC. We found that: i) DHT and QRC are able to significantly reduce mitochondrial functionality at concentrations ≥ 10 nM; ii) GLY and GA negatively affect mitochondrial respiration efficiency; iii) in the presence of 10 nM DHT, the negative effect of GLY was increased; iiii) DHT, QRC and GA target mitochondria by using a mechanism different from GLY.
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Affiliation(s)
- Alessandra Ferramosca
- Department of Biological and Environmental Sciences and Technologies, University of Salento, I-73100, Lecce, Italy.
| | - Stefano Lorenzetti
- Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, I-00161, Rome, Italy.
| | - Mariangela Di Giacomo
- Department of Biological and Environmental Sciences and Technologies, University of Salento, I-73100, Lecce, Italy
| | | | | | - Vincenzo Zara
- Department of Biological and Environmental Sciences and Technologies, University of Salento, I-73100, Lecce, Italy
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Rives C, Fougerat A, Ellero-Simatos S, Loiseau N, Guillou H, Gamet-Payrastre L, Wahli W. Oxidative Stress in NAFLD: Role of Nutrients and Food Contaminants. Biomolecules 2020; 10:E1702. [PMID: 33371482 PMCID: PMC7767499 DOI: 10.3390/biom10121702] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 12/14/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is often the hepatic expression of metabolic syndrome and its comorbidities that comprise, among others, obesity and insulin-resistance. NAFLD involves a large spectrum of clinical conditions. These range from steatosis, a benign liver disorder characterized by the accumulation of fat in hepatocytes, to non-alcoholic steatohepatitis (NASH), which is characterized by inflammation, hepatocyte damage, and liver fibrosis. NASH can further progress to cirrhosis and hepatocellular carcinoma. The etiology of NAFLD involves both genetic and environmental factors, including an unhealthy lifestyle. Of note, unhealthy eating is clearly associated with NAFLD development and progression to NASH. Both macronutrients (sugars, lipids, proteins) and micronutrients (vitamins, phytoingredients, antioxidants) affect NAFLD pathogenesis. Furthermore, some evidence indicates disruption of metabolic homeostasis by food contaminants, some of which are risk factor candidates in NAFLD. At the molecular level, several models have been proposed for the pathogenesis of NAFLD. Most importantly, oxidative stress and mitochondrial damage have been reported to be causative in NAFLD initiation and progression. The aim of this review is to provide an overview of the contribution of nutrients and food contaminants, especially pesticides, to oxidative stress and how they may influence NAFLD pathogenesis.
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Affiliation(s)
- Clémence Rives
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRA, EVT, INP-Purpan, UPS, 31300 Toulouse, France; (C.R.); (A.F.); (S.E.-S.); (N.L.); (H.G.)
| | - Anne Fougerat
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRA, EVT, INP-Purpan, UPS, 31300 Toulouse, France; (C.R.); (A.F.); (S.E.-S.); (N.L.); (H.G.)
| | - Sandrine Ellero-Simatos
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRA, EVT, INP-Purpan, UPS, 31300 Toulouse, France; (C.R.); (A.F.); (S.E.-S.); (N.L.); (H.G.)
| | - Nicolas Loiseau
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRA, EVT, INP-Purpan, UPS, 31300 Toulouse, France; (C.R.); (A.F.); (S.E.-S.); (N.L.); (H.G.)
| | - Hervé Guillou
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRA, EVT, INP-Purpan, UPS, 31300 Toulouse, France; (C.R.); (A.F.); (S.E.-S.); (N.L.); (H.G.)
| | - Laurence Gamet-Payrastre
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRA, EVT, INP-Purpan, UPS, 31300 Toulouse, France; (C.R.); (A.F.); (S.E.-S.); (N.L.); (H.G.)
| | - Walter Wahli
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRA, EVT, INP-Purpan, UPS, 31300 Toulouse, France; (C.R.); (A.F.); (S.E.-S.); (N.L.); (H.G.)
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Clinical Sciences Building, 11 Mandalay Road, Singapore 308232, Singapore
- Center for Integrative Genomics, Université de Lausanne, Le Génopode, CH-1015 Lausanne, Switzerland
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Aquatic Macrophytes in Constructed Wetlands: A Fight against Water Pollution. SUSTAINABILITY 2020. [DOI: 10.3390/su12219202] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
There is growing concern among health institutions worldwide to supply clean water to their populations, especially to more vulnerable communities. Although sewage treatment systems can remove most contaminants, they are not efficient at removing certain substances that can be detected in significant quantities even after standard treatments. Considering the necessity of perfecting techniques that can remove waterborne contaminants, constructed wetland systems have emerged as an effective bioremediation solution for degrading and removing contaminants. In spite of their environmentally friendly appearance and efficiency in treating residual waters, one of the limiting factors to structure efficient artificial wetlands is the choice of plant species that can both tolerate and remove contaminants. For sometimes, the chosen plants composing a system were not shown to increase wetland performance and became a problem since the biomass produced must have appropriated destination. We provide here an overview of the use and role of aquatic macrophytes in constructed wetland systems. The ability of plants to remove metals, pharmaceutical products, pesticides, cyanotoxins and nanoparticles in constructed wetlands were compared with the removal efficiency of non-planted systems, aiming to evaluate the capacity of plants to increase the removal efficiency of the systems. Moreover, this review also focuses on the management and destination of the biomass produced through natural processes of water filtration. The use of macrophytes in constructed wetlands represents a promising technology, mainly due to their efficiency of removal and the cost advantages of their implantation. However, the choice of plant species composing constructed wetlands should not be only based on the plant removal capacity since the introduction of invasive species can become an ecological problem.
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da Silva Santos J, da Silva Pontes M, Grillo R, Fiorucci AR, José de Arruda G, Santiago EF. Physiological mechanisms and phytoremediation potential of the macrophyte Salvinia biloba towards a commercial formulation and an analytical standard of glyphosate. CHEMOSPHERE 2020; 259:127417. [PMID: 32623201 DOI: 10.1016/j.chemosphere.2020.127417] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/03/2020] [Accepted: 06/12/2020] [Indexed: 06/11/2023]
Abstract
Glyphosate (Gly) is the most widely used herbicide in the world and has broad-spectrum and non-selective activity. Its indiscriminate use hence risks contamination of water bodies and can affect living organisms, especially sensitive or resistant non-target plants. Despite this, studies on physiological mechanisms and Gly remediation in Neotropical aquatic plants remain limited. This study aims to evaluate the physiological mechanisms of the aquatic macrophyte Salvinia biloba on exposure to different concentrations of a Gly commercial formulation (Gly-CF) and a Gly analytical standard (Gly-AS). Furthermore, using square-wave voltammetry (SWV), we determined whether the studied plant could remove Gly from water. Our data suggest that Gly-AS and Gly-CF induce similar physiological responses in S. biloba. However, Gly-CF was more phytotoxic. Depending on the concentration, the two forms of Gly affected the plants, decreasing the chlorophyll a and b contents and the photosystem II (PSII) photochemical activity. The data also revealed that Gly promoted oxidative stress and increased the shikimic acid concentration. At the same time, the plants removed Gly from water, with 100% removal for 1 mg L-1 Gly and above 60% removal for the other concentrations studied. Therefore, our results suggest that S. biloba may be a potential phytoremediation agent for low Gly concentrations, since 1 mg L-1 Gly was completely removed and exhibited low phytotoxicity. This study deepens our scientific understanding of the Gly impact on and the phytoremediation potential of S. biloba.
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Affiliation(s)
- Jaqueline da Silva Santos
- Grupo de Estudos em Recursos Vegetais, Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, CP 350, 79804-970, Dourados, MS, Brazil; Grupo de Estudos em Eletroquímica, Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, CP 350, 79804-970, Dourados, MS, Brazil
| | - Montcharles da Silva Pontes
- Grupo de Estudos em Recursos Vegetais, Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, CP 350, 79804-970, Dourados, MS, Brazil
| | - Renato Grillo
- Laboratório de Nanoquímica Ambiental, Departamento de Física e Química, Faculdade de Engenharia de Ilha Solteira, Universidade Estadual Paulista (UNESP), Avenida Brasil, 56, Centro, 15385-000, Ilha Solteira, SP, Brazil
| | - Antonio Rogério Fiorucci
- Grupo de Estudos em Eletroquímica, Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, CP 350, 79804-970, Dourados, MS, Brazil
| | - Gilberto José de Arruda
- Grupo de Estudos em Eletroquímica, Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, CP 350, 79804-970, Dourados, MS, Brazil
| | - Etenaldo Felipe Santiago
- Grupo de Estudos em Recursos Vegetais, Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, CP 350, 79804-970, Dourados, MS, Brazil.
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Glyphosate-Based Herbicide Toxicophenomics in Marine Diatoms: Impacts on Primary Production and Physiological Fitness. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10217391] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Glyphosate is the main active component of the commercial formulation Roundup®, the most widely used chemical herbicide worldwide. However, its potential high toxicity to the environment and throughout trophic webs has come under increasing scrutiny. The present study aims to investigate the application of bio-optical techniques and their correlation to physiological and biochemical processes, including primary productivity, oxidative stress, energy balance, and alterations in pigment and lipid composition in Phaeodactylum tricornutum, a representative species of marine diatoms, using the case study of its response to the herbicide glyphosate-based Roundup® formulation, at environmentally relevant concentrations. Cultures were exposed to the herbicide formulation representing effective glyphosate concentrations of 0, 10, 50, 100, 250, and 500 μg L−1. Results showed that high concentrations decreased cell density; furthermore, the inhibition of photosynthetic activity was not only caused by the impairment of electron transport in the thylakoids, but also by a decrease of antioxidant capacity and increased lipid peroxidation. Nevertheless, concentrations of one of the plastidial marker fatty acids had a positive correlation with the highest concentration as well as an increase in total protein. Cell energy allocation also increased with concentration, relative to control and the lowest concentration, although culture growth was inhibited. Pigment composition and fatty acid profiles proved to be efficient biomarkers for the highest glyphosate-based herbicide concentrations, while bio-optical data separated controls from intermediate concentrations and high concentrations.
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49
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Gomes MP, Moreira Brito JC, Cristina Rocha D, Navarro-Silva MA, Juneau P. Individual and combined effects of amoxicillin, enrofloxacin, and oxytetracycline on Lemna minor physiology. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 203:111025. [PMID: 32888593 DOI: 10.1016/j.ecoenv.2020.111025] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 06/11/2023]
Abstract
We investigated individual and combined effects of environmentally representative concentrations of amoxicillin (AMX; 2 μg l-1), enrofloxacin (ENR; 2 μg l-1), and oxytetracycline (OXY; 1 μg l-1) on the aquatic macrophyte Lemna minor. While the concentrations of AMX and ENR tested were not toxic, OXY decreased plant growth and cell division. OXY induced hydrogen peroxide (H2O2) accumulation and related oxidative stress through its interference with the activities of mitochondria electron transport chain enzymes, although those deleterious effects could be ameliorated by the presence of AMX and/or ENR, which prevented the overaccumulation of ROS by increasing catalase enzyme activity. L. minor plants accumulated significant quantities of AMX, ENR and OXY from the media, although competitive uptakes were observed when plants were submitted to binary or tertiary mixtures of those antibiotics. Our results therefore indicate L. minor as a candidate for phytoremediation of service waters contaminated by AMX, ENR, and/or OXY.
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Affiliation(s)
- Marcelo Pedrosa Gomes
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil.
| | - Júlio César Moreira Brito
- Fundação Ezequiel Dias, Rua Conde Pereira Carneiro, 80, 30510-010, Belo Horizonte, Minas Gerais, Brazil
| | - Daiane Cristina Rocha
- Laboratório de Fisiologia de Plantas Sob Estresse, Departamento de Botânica, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Mário Antônio Navarro-Silva
- Laboratório de Morfologia e Fisiologia de Culicidae e Chronomidae, Departamento de Zoologia, Setor de Ciências Biológicas, Universidade Federal do Paraná, Avenida Coronel Francisco H. dos Santos, 100, Centro Politécnico Jardim das Américas, C.P. 19031, 81531-980, Curitiba, Paraná, Brazil
| | - Philippe Juneau
- Ecotoxicology of Aquatic Microorganisms Laboratory, GRIL, EcotoQ, TOXEN, Department of Biological Sciences, Université du Québec à Montréal, Montréal, Succ. Centre-Ville, H3C 3P8, Montréal, QC, Canada.
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50
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Tajnaiová L, Vurm R, Kholomyeva M, Kobera M, Kočí V. Determination of the Ecotoxicity of Herbicides Roundup ® Classic Pro and Garlon New in Aquatic and Terrestrial Environments. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1203. [PMID: 32937994 PMCID: PMC7569783 DOI: 10.3390/plants9091203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 05/11/2023]
Abstract
Herbicides help increase agricultural yields significantly, but they may negatively impact the life of non-target organisms. Modifying the life cycle of primary producers can affect other organisms in the food chain, and consequently in the whole ecosystem. We investigated the effect of common herbicides Roundup® Classic Pro (active substance glyphosate) and Garlon New (triclopyr and fluroxypyr) on aquatic organisms duckweed Lemna minor and green algae Desmodesmus subspicatus, and on the enzymatic activity of soil. We also compared the effects of Roundup® Classic Pro to that of a metabolite of its active substance, aminomethylphosphonic acid (AMPA). The results of an algal growth test showed that AMPA has a 1.5× weaker inhibitory effect on the growth of D. subspicatus than the Roundup formula, and the strongest growth inhibition was caused by Garlon New (IC50Roundup = 267.3 µg/L, IC50Garlon = 21.0 µg/L, IC50AMPA = 117.8 mg/L). The results of the duckweed growth inhibition test revealed that Roundup and Garlon New caused 100% growth inhibition of L. minor even at significantly lower concentrations than the ready-to-use concentration. The total chlorophyll content in the fronds was lowest when Garlon New was used. The highest dehydrogenase activity was observed in soil treated with Garlon New, and the lowest in soil treated with Roundup® Classic Pro. The results of this study showed that all three tested substances were ecotoxic to the tested organisms.
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Affiliation(s)
- Lucia Tajnaiová
- Faculty of Environmental Technology, Department of Environmental Chemistry, UCT Prague, Technická 5, 166 28 Prague, Czech Republic; (R.V.); (M.K.); (M.K.); (V.K.)
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