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Luo Z, Lin ZY, Li ZF, Fu ZQ, Han FL, Li EC. Next-generation neonicotinoid: The impact of cycloxaprid on the crustacean decapod Penaeus vannamei. CHEMOSPHERE 2024; 358:142150. [PMID: 38679174 DOI: 10.1016/j.chemosphere.2024.142150] [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: 02/21/2024] [Revised: 04/17/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
Cycloxaprid, a new neonicotinoid pesticide, poses ecological risks, particularly in aquatic environments, due to its unique action and environmental dispersal. This study investigated the ecotoxicological effects of various concentrations of cycloxaprid on Penaeus vannamei over 28 days. High cycloxaprid levels significantly altered shrimp physiology, as shown by changes in the hepatosomatic index and fattening. Indicators of oxidative stress, such as increased serum hemocyanin, respiratory burst, and nitric oxide, as well as decreased phenol oxidase activity, were observed. Additionally, elevated activities of lactate dehydrogenase, succinate dehydrogenase, and isocitrate dehydrogenase indicated disrupted energy metabolism in the hepatopancreas. Notably, analyses of the nervous system revealed marked disturbances in neural signaling, as evidenced by elevated acetylcholine, octopamine, and acetylcholinesterase levels. Transcriptomic analysis highlighted significant effects on gene expression and metabolic processes in the hepatopancreas and nervous system. This study demonstrated that cycloxaprid disrupts neural signaling and oxidative balance in P. vannamei, potentially affecting its growth, and provides key insights into its biochemical and transcriptomic toxicity in aquatic systems.
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Affiliation(s)
- Zhi Luo
- School of Life Sciences, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China; School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan, 570228, China
| | - Zhi-Yu Lin
- School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan, 570228, China
| | - Zhen-Fei Li
- School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan, 570228, China
| | - Zhen-Qiang Fu
- School of Marine Science, Sun Yat-sen University, Zhuhai, Guangdong, 519082, China
| | - Feng-Lu Han
- School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan, 570228, China
| | - Er-Chao Li
- School of Life Sciences, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, China.
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2
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Lu YP, Liu JH, Zhang XX, Xu C, Zheng PH, Li JT, Li JJ, Wang DM, Xian JA, Zhang ZL. Integration of transcriptome, gut microbiota, and physiology reveals toxic responses of the red claw crayfish (Cherax quadricarinatus) to imidacloprid. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134293. [PMID: 38615646 DOI: 10.1016/j.jhazmat.2024.134293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/29/2024] [Accepted: 04/10/2024] [Indexed: 04/16/2024]
Abstract
Imidacloprid enters the water environment through rainfall and causes harm to aquatic crustaceans. However, the potential chronic toxicity mechanism of imidacloprid in crayfish has not been comprehensively studied. In this study, red claw crayfish (Cherax quadricarinatus) were exposed to 11.76, 35.27, or 88.17 μg/L imidacloprid for 30 days, and changes in the physiology and biochemistry, gut microbiota, and transcriptome of C. quadricarinatus and the interaction between imidacloprid, gut microbiota, and genes were studied. Imidacloprid induced oxidative stress and decreased growth performance in crayfish. Imidacloprid exposure caused hepatopancreas damage and decreased serum immune enzyme activity. Hepatopancreatic and plasma acetylcholine decreased significantly in the 88.17 μg/L group. Imidacloprid reduced the diversity of the intestinal flora, increased the abundance of harmful flora, and disrupted the microbiota function. Transcriptomic analysis showed that the number of up-and-down-regulated differentially expressed genes (DEGs) increased significantly with increasing concentrations of imidacloprid. DEG enrichment analyses indicated that imidacloprid inhibits neurotransmitter transduction and immune responses and disrupts energy metabolic processes. Crayfish could alleviate imidacloprid stress by regulating antioxidant and detoxification-related genes. A high correlation was revealed between GST, HSPA1s, and HSP90 and the composition of gut microorganisms in crayfish under imidacloprid stress. This study highlights the negative effects and provides detailed sequencing data from transcriptome and gut microbiota to enhance our understanding of the molecular toxicity of imidacloprid in crustaceans.
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Affiliation(s)
- Yao-Peng Lu
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Jia-Han Liu
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Xiu-Xia Zhang
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Chi Xu
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Pei-Hua Zheng
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Jun-Tao Li
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Jia-Jun Li
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Dong-Mei Wang
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Jian-An Xian
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China.
| | - Ze-Long Zhang
- Hainan Provincial Key Laboratory for Functional Components Research and Utilization of Marine Bio-resources, Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China.
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Flach H, Brendler C, Schöpf M, Xu L, Schneider J, Dewald K, Dietmann P, Kühl M, Kühl SJ. Comparing the effects of three neonicotinoids on embryogenesis of the South African clawed frog Xenopus laevis. Curr Res Toxicol 2024; 6:100169. [PMID: 38706785 PMCID: PMC11068530 DOI: 10.1016/j.crtox.2024.100169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 05/07/2024] Open
Abstract
Neonicotinoids (NEOs) are widely used insecticides that are ubiquitous in agricultural use. Since NEOs are found in natural waters as well as in tap water and human urine in regions where NEOs are widely used, NEOs pose a potential hazard to non-target organisms such as animals and humans. Some of the commonly detected NEOs are imidacloprid (IMD), thiamethoxam (TMX), and its metabolite clothianidin (CLO). Although previously published scientific information, including an assessment of the environmental risks, particularly for bees, had resulted in a ban on the outdoor use of these three NEOs in the EU - their use is now only permitted in closed greenhouses - these NEOs continue to be used in agriculture in many other parts of the world. Therefore, a detailed study and comparison of the effects of NEOs on the embryonic development of non-target organisms is needed to further define the risk profiles. Embryos of the South African clawed frog Xenopus laevis, a well-established aquatic model, were exposed to different concentrations of IMD, TMX, or CLO (0.1-100 mg/L) to study and compare the possible effects of a single contaminant in natural water bodies on early embryogenesis. The results included a reduced body length, a smaller orbital space, impaired cranial cartilage and nerves, and an altered heart structure and function. At the molecular level, NEO exposure partially resulted in an altered expression of tissue-specific factors, which are involved in eye, cranial placode, and heart development. Our results suggest that the NEOs studied negatively affect the embryonic development of the non-target organism X. laevis. Since pesticides, especially NEOs, pollute the environment worldwide, it is suggested that they are strictly controlled and monitored in the areas where they are used. In addition, the question arises as to whether pesticide metabolites also pose a risk to the environment and need to be investigated further so that they can be taken into account when registering ingredients.
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Affiliation(s)
| | | | - Martina Schöpf
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, German
| | - Lilly Xu
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, German
| | - Julia Schneider
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, German
| | - Kathrin Dewald
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, German
| | - Petra Dietmann
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, German
| | - Michael Kühl
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, German
| | - Susanne J. Kühl
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, German
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Xu B, Cui W, Tao L, Yang L, Zhao X. Risk mitigation strategy and mechanism analysis of neonicotinoid pesticides on earthworms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123719. [PMID: 38458525 DOI: 10.1016/j.envpol.2024.123719] [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: 02/12/2024] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 03/10/2024]
Abstract
Neonicotinoid insecticides (NNIs) are a new class of widely used insecticides with certain risks to non-target organisms, like earthworms. The gray correlation method was used to calculate the comprehensive risk effect value of acute toxicity (LC50) and bioaccumulation (logKow) of NNIs on earthworms. A comprehensive effects three-dimensional quantitative structure-activity relationship (3D-QSAR) model was constructed, using NNIs molecular structures and the comprehensive effect value as the independent and dependent variables, respectively. One of the representatives guadipyr (GUA) was selected as the template molecule for the molecular design and modification. A total of 63 NNIs alternatives were designed with a reduced comprehensive value higher than 10%, and as high as 42%. After screening, 15 NNIs alternatives were screened with decreased acute toxicity to earthworms, bioaccumulation effects and improved functional property. The calculated primary acute risk quotient of earthworms shows that the designed NNIs alternatives have lower earthworm risks (reduction of 70.48-99.99%). Results also found that the electronic, geometric and topological parameters of NNIs are the key descriptors that affect NNIs alternatives' toxicity. The number of hydrophobic interaction amino acid residues in NNIs molecules also contributes to the acute toxicity and the bioaccumulation of NNIs alternatives on earthworms. This study aims to design and screen functionally improved and environmentally friendly NNIs alternatives that have low risk to earthworms and provide theoretical methods and new ideas for the risk control and development of pesticides represented by NNIs.
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Affiliation(s)
- Bohan Xu
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
| | - Weihan Cui
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
| | - Li Tao
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
| | - Luze Yang
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
| | - Xingmin Zhao
- College of Resources and Environment, Jilin Agricultural University, Changchun, 130118, China.
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5
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Jeyaseelan A, Murugesan K, Thayanithi S, Palanisamy SB. A review of the impact of herbicides and insecticides on the microbial communities. ENVIRONMENTAL RESEARCH 2024; 245:118020. [PMID: 38151149 DOI: 10.1016/j.envres.2023.118020] [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: 09/04/2023] [Revised: 11/23/2023] [Accepted: 12/21/2023] [Indexed: 12/29/2023]
Abstract
Enhancing crop yield to accommodate the ever-increasing world population has become critical, and diminishing arable land has pressured current agricultural practices. Intensive farming methods have been using more pesticides and insecticides (biocides), culminating in soil deposition, negatively impacting the microbiome. Hence, a deeper understanding of the interaction and impact of pesticides and insecticides on microbial communities is required for the scientific community. This review highlights the recent findings concerning the possible impacts of biocides on various soil microorganisms and their diversity. This review's bibliometric analysis emphasised the recent developments' statistics based on the Scopus document search. Pesticides and insecticides are reported to degrade microbes' structure, cellular processes, and distinct biochemical reactions at cellular and biochemical levels. Several biocides disrupt the relationship between plants and their microbial symbionts, hindering beneficial biological activities that are widely discussed. Most microbial target sites of or receptors are biomolecules, and biocides bind with the receptor through a ligand-based mechanism. The biomarker action mechanism in response to biocides relies on activating the receptor site by specific biochemical interactions. The production of electrophilic or nucleophilic species, free radicals, and redox-reactive agents are the significant factors of biocide's metabolic reaction. Most studies considered for the review reported the negative impact of biocides on the soil microbial community; hence, technological development is required regarding eco-friendly pesticide and insecticide, which has less or no impact on the soil microbial community.
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Affiliation(s)
- Aravind Jeyaseelan
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602105, Tamil Nadu, India
| | - Kamaraj Murugesan
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology-Ramapuram, Chennai, 600089, Tamil Nadu, India; Life Science Division, Faculty of Health and Life Sciences, INTI International University, Nilai, 71800, Malaysia.
| | - Saranya Thayanithi
- Department of Biotechnology, Rathinam Technical Campus, Coimbatore, 641021, Tamil Nadu, India
| | - Suresh Babu Palanisamy
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602105, Tamil Nadu, India.
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An G, Na J, Song J, Jung J. Chronic toxicity of biodegradable microplastic (Polylactic acid) to Daphnia magna: A comparison with polyethylene terephthalate. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 266:106790. [PMID: 38070395 DOI: 10.1016/j.aquatox.2023.106790] [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: 09/25/2023] [Revised: 11/23/2023] [Accepted: 12/01/2023] [Indexed: 01/02/2024]
Abstract
The increase in the usage of biodegradable microplastics (MPs) as an alternative to conventional plastics has necessitated comprehensive ecotoxicity assessments of biodegradable MPs alongside conventional MPs. This study aimed to assess ecotoxicity of biodegradable polylactic acid (PLA) MPs at concentration of 1 and 5 mgL-1 including a genetic analysis of Daphnia magna, and compared to effects of conventional polyethylene terephthalate (PET) MPs. The survival rate for D. magna exposed to 5 mg L-1 of PLA-MPs declined to 52.4 %, signifying a higher rate of mortality when contrasted with PET-MPs, which exhibited 85.7 % survival rate. Chronic exposure to 1 and 5 mgL-1 PLA-MPs resulted in a decrease of offspring, while increasing the sex ratio and deformed embryo. Interestingly, down-regulation of the SOD and AK genes was observed in D. magna after exposure to 5 mgL-1 of PLA-MPs, while 1 mgL-1 of PLA-MPs up-regulated. These results means that 5 mgL-1 PLA-MP could not produce energy and cope with oxidative stress, resulting in high mortality, and 1 mgL-1 of MP was maintained survival due to energy production and antioxidant action. This study contributes to our understanding of biodegradable microplastics (BMPs) toxic effects on D. magna which could be similar to conventional MPs and provide the importance of ecotoxicological data for risk assessment of BMPs in aquatic organisms.
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Affiliation(s)
- Gersan An
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Joorim Na
- OJeong Resilience Institute (OJERI), Korea University, Seoul 02841, Republic of Korea.
| | - Jinyoung Song
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Jinho Jung
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
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Guo P, An X, Pan X, Xu J, Wu X, Zheng Y, Dong F. Rational understanding of chiral fungicide penthiopyrad stereoselectivity: Bioactivity, aquatic toxicity and cytotoxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:166969. [PMID: 37699492 DOI: 10.1016/j.scitotenv.2023.166969] [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: 06/13/2023] [Revised: 09/06/2023] [Accepted: 09/08/2023] [Indexed: 09/14/2023]
Abstract
Penthiopyrad is a novel chiral succinate dehydrogenase inhibitor (SDHI) fungicide with two enantiomers. However, enantioselective information on the biological activity, nontarget organisms and human health risk of penthiopyrad is not comprehensive, which may cause inaccurate risk assessment. In this study, the enantioselective bioactivity to three kinds of phytopathogens (Rhizoctonia solani, Botrytis cinerea and Sclerotinia sclerotiorum) was first disclosed, and the antifungal activity of S-(+)-penthiopyrad was higher than that of R-(-)-penthiopyrad by 12-37 times. Moreover, its enantioselective toxicity to Raphidocelis subcapitata and Daphnia magna was also clarified, and the order of toxicity was S-(+)-penthiopyrad > rac-penthiopyrad >R-(-)-penthiopyrad, with 1.8- and 5.3-fold differences between the two enantiomers. Furthermore, the enantioselectivity of penthiopyrad on HepG2 cytotoxicity was studied. The data showed that the cytotoxicity of S-(+)-penthiopyrad was 1.8 times higher than that of R-(-)-penthiopyrad, and S-(+)-penthiopyrad had a stronger impact on cell proliferation, oxidative stress and lipid peroxidation. In summary, due to the enantioselectivity of the activity and toxicity of the chiral pesticide, the efficacy and risk evaluation of penthiopyrad should be considered at the enantiomer level.
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Affiliation(s)
- Peilin Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xiaokang An
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xinglu Pan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Jun Xu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xiaohu Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Yongquan Zheng
- Colleage of Plant Health and Medicine, Key Lab of Integrated Crop Disease and Pest Management of Shan-dong Province, Qingdao Agricultural University, Qingdao 266109, China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
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Odetti LM, Chacón CF, Siroski PA, Simoniello MF, Poletta GL. Effects of glyphosate, 2,4-D, chlorantraniliprole, and imidacloprid formulations, separately and in mixtures in Caiman latirostris hatchlings. Toxicol Appl Pharmacol 2023; 469:116544. [PMID: 37150452 DOI: 10.1016/j.taap.2023.116544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/27/2023] [Accepted: 05/02/2023] [Indexed: 05/09/2023]
Abstract
The present study demonstrated the potential of glyphosate (GLY), 2,4-dichlorophenoxyacetic acid (2,4-D), imidacloprid (IMI) and chlorantraniliprole (CAP) separately and in mixtures to induce oxidative stress and DNA damage in Caiman latirostris hatchlings. Under controlled condition, an embryonic exposure to these pesticides was done at concentrations recommended for soybean crops. Treatments were: negative control, GLY, 2,4-D, IMI, CAP, mixture 1 (M1): GLY + 2,4-D, M2: IM I + CAP and M3: GLY + 2,4-D + IMI + CAP. At hatching, blood samples were taken for the evaluation of genotoxicity, oxidative damage to lipids and DNA, the enzymatic activity of Catalase (CAT) and Superoxide dismutase (SOD), and the expression level of their corresponding genes (catalase: cat and superoxide dismutase: sod). It has been shown that IMI, M2 and M3 induced a significant inhibition of CAT activity while no effect was observed on SOD. In turn, lipid peroxidation was significantly higher in individuals exposed to IMI, and to all the mixtures. Besides, genotoxicity and oxidative DNA damage were observed in all exposed groups. The results of mRNA expression showed no difference at transcription levels. In the same way, no alterations in growth parameters were recorded at hatching. Regarding to the mixtures, we observed a potentiating action of IMI on M3 in lipid peroxidation as well as independent action on oxidative DNA damage and genotoxicity parameters. Our results highlight the importance of investigating the effect of pesticides and their mixtures considering the potential consequences to caimans living in natural environments.
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Affiliation(s)
- Lucia M Odetti
- Cát. Toxicol. y Bioq. Legal, FBCB-UNL, CONICET. Ciudad Universitaria, Paraje El Pozo S/N (3000), Santa Fe, Argentina.
| | - Camila F Chacón
- Lab. de Ecología Molecular Aplicada (LEMA), Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral-UNL/CONICET/UNL), Av. Aristóbulo del Valle 8700 (3000), Santa Fe, Argentina; Proyecto Yacaré (MAyCC, Gob. Sta. Fe). Av. Aristóbulo del Valle 8700 (3000), Santa Fe, Argentina
| | - Pablo A Siroski
- Lab. de Ecología Molecular Aplicada (LEMA), Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral-UNL/CONICET/UNL), Av. Aristóbulo del Valle 8700 (3000), Santa Fe, Argentina; Proyecto Yacaré (MAyCC, Gob. Sta. Fe). Av. Aristóbulo del Valle 8700 (3000), Santa Fe, Argentina
| | - Ma Fernanda Simoniello
- Cát. Toxicol. y Bioq. Legal, FBCB-UNL, CONICET. Ciudad Universitaria, Paraje El Pozo S/N (3000), Santa Fe, Argentina
| | - Gisela L Poletta
- Cát. Toxicol. y Bioq. Legal, FBCB-UNL, CONICET. Ciudad Universitaria, Paraje El Pozo S/N (3000), Santa Fe, Argentina; Proyecto Yacaré (MAyCC, Gob. Sta. Fe). Av. Aristóbulo del Valle 8700 (3000), Santa Fe, Argentina
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9
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Man Y, Sun T, Wu C, Liu X, He M. Evaluating the Impact of Individual and Combined Toxicity of Imidacloprid, Cycloxaprid, and Tebuconazole on Daphnia magna. TOXICS 2023; 11:toxics11050428. [PMID: 37235243 DOI: 10.3390/toxics11050428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023]
Abstract
The risks posed by chemicals in the environment are typically assessed on a substance-by-substance basis, often neglecting the effects of mixtures. This may lead to an underestimation of the actual risk. In our study, we investigated the effects of three commonly used pesticides-imidacloprid (IMI), cycloxaprid (CYC), and tebuconazole (TBZ)-both individually and in combination, using various biomarkers to assess their impact on daphnia. Our findings indicated that the order of toxicity, from highest to lowest, was TBZ, IMI, and CYC, as determined by acute toxicity as well as reproduction. The effects of the ITmix (IMI and TBZ) and CTmix (CYC and TBZ) combinations on immobilization and reproduction were evaluated by MIXTOX, revealing a higher risk of immobilization at low concentrations for ITmix. The effect on reproduction differed depending on the ration of pesticides in the mixture, with synergism observed, which may be caused mainly by IMI. However, CTmix showed antagonism for acute toxicity, with the effect on reproduction depending upon the composition of the mixture. The response surface also exhibited a switch between antagonism and synergism. Additionally, the pesticides extended the body length and inhibited the development period. The activities of superoxide dismutase (SOD) and catalase (CAT) content was also significantly induced at different dosage points in both the single and combination groups, indicating changes in the metabolic capabilities of detoxifying enzymes and target site sensitivity. These findings highlight the need for more attention to be focused on the effects of pesticide mixtures.
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Affiliation(s)
- Yanli Man
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Tian Sun
- Guangxi SPR Technology Co., Ltd., Nanning 530000, China
| | - Chi Wu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xingang Liu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Mingyuan He
- Guangxi SPR Technology Co., Ltd., Nanning 530000, China
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10
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Shen C, Pan X, Wu X, Xu J, Zheng Y, Dong F. Computer-aided toxicity prediction and potential risk assessment of two novel neonicotinoids, paichongding and cycloxaprid, to hydrobionts. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 861:160605. [PMID: 36460103 DOI: 10.1016/j.scitotenv.2022.160605] [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: 10/04/2022] [Revised: 11/21/2022] [Accepted: 11/26/2022] [Indexed: 06/17/2023]
Abstract
Paichongding (IPP) and cycloxaprid (CYC) have been effectively used as the alternative products of imidacloprid (IMI) against IMI-resistant insects and exhibit a great market potential. However, risk assessment of IPP and CYC for non-target organisms, especially ecological risk assessment for non-target aquatic organisms, is still lacking. Here, we predicted the toxicity and potential risks of IPP, CYC, and their transformation products (TPs) to hydrobionts. The results indicated that IPP and CYC could generate 428 and 113 TPs, respectively, via aerobic microbial transformation. Nearly half of the IPP TPs and nearly 41 % of the CYC TPs exhibited high or moderate toxicity to Daphnia or fish. Moreover, we found that IPP, CYC, and 80 TPs of them posed potential risks to aquatic ecosystems. Almost all harmful TPs contained a 6-chloropyridine ring structure, suggesting that this structure may be associated with the strong toxicity of these TPs to aquatic organisms, and these TPs (IPP-TP2 or CYC-TP2, IPP-TP197 or CYC-TP71, IPP-TP198 or CYC-TP72, and IPP-TP212 or CYC-TP80) may appear in aquatic environments as final products. The risks posed by these TPs to aquatic ecosystems require more attention. This study provides insights into the toxicity and ecological risks of IPP and CYC.
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Affiliation(s)
- Chao Shen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China; Shandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, PR China
| | - Xinglu Pan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xiaohu Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Jun Xu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Yongquan Zheng
- Shandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, PR China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
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11
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Somogyvári D, Farkas A, Mörtl M, Győri J. Behavioral and biochemical alterations induced by acute clothianidin and imidacloprid exposure in the killer shrimp, Dikerogammarus villosus. Comp Biochem Physiol C Toxicol Pharmacol 2022; 261:109421. [PMID: 35908639 DOI: 10.1016/j.cbpc.2022.109421] [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: 06/07/2022] [Revised: 07/18/2022] [Accepted: 07/24/2022] [Indexed: 11/03/2022]
Abstract
Neonicotinoids are widely used insecticides around the world and are preserved permanently in soils and appear in surface waters posing an increased threat to ecosystems. In the present study, we exposed adult specimens of amphipod Dikerogammarus villosus to environmentally relevant and higher concentrations of two widely used agricultural neonicotinoids, clothianidin (CLO) and imidacloprid (IMI), for 2 days. The acute effects were investigated at the behavioral (immobility time and swimming activity) and biochemical (glutathione S-transferase [GST] and acetylcholine esterase [AchE] activity) levels. All CLO concentrations used (64 nM, 128 nM, 192 nM) significantly decreased the immobility time and swimming activity. In the case of IMI, the immobility time decreased significantly only at the highest concentration applied (977 nM), but the distance travelled by the animals significantly decreased even at lower concentrations (78 nM and 313 nM). The GST enzyme activity did not change in the CLO-treated groups, however, the 626 nM and 977 nM IMI concentrations significantly increased the GST activity. Similarly, to the behavioral level, all CLO concentrations significantly decreased the AchE activity. In contrast, IMI has a significant stimulating effect on the AchE activity at the 313 nM, 626 nM, and 977 nM concentrations. Based on the authors' best knowledge, this is the first study to investigate the effects of CLO and IMI at environmentally-relevant concentrations on D. villosus. Our findings contribute to the understanding of the physiological effects of neonicotinoids.
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Affiliation(s)
- Dávid Somogyvári
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), Klebelsberg Kuno u. 3, H-8237 Tihany, Hungary; National Laboratory for Water Science and Water Safety, Balaton Limnological Research Institute, Tihany, Hungary; Research Group of Limnology, Centre of Natural Sciences, University of Pannonia, 8200, Hungary.
| | - Anna Farkas
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), Klebelsberg Kuno u. 3, H-8237 Tihany, Hungary; National Laboratory for Water Science and Water Safety, Balaton Limnological Research Institute, Tihany, Hungary
| | - Mária Mörtl
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
| | - János Győri
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), Klebelsberg Kuno u. 3, H-8237 Tihany, Hungary; National Laboratory for Water Science and Water Safety, Balaton Limnological Research Institute, Tihany, Hungary
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12
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Mahmut K, Demiray GA, Sevgiler Y. Oxidative and osmoregulatory effects of imidacloprid, cadmium, and their combinations on Daphnia magna. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 95:103963. [PMID: 36028165 DOI: 10.1016/j.etap.2022.103963] [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: 05/20/2022] [Revised: 08/16/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
Oxidative stress and osmoregulatory system damage-inducing potential of binary mixtures of neonicotinoid insecticide imidacloprid (IMI) and Cd2+ in Daphnia magna were evaluated. Animals were subjected to subchronic (7 days) and acute (48 h) of IMI and Cd2+ effects with single and binary mixtures. ATPase and antioxidant enzyme activities with lipid peroxidation were measured. Morphometric characteristics were also evaluated. Response patterns showed variability due to the duration, concentration, and toxicant type. While the enzyme activities mostly showed a decreasing trend upon the subchronic IMI effect, there was an increasing trend after the Cd2+. Declined enzyme activities were more pronounced with the acute higher IMI+Cd2+ exposure. Ca2+-ATPase and CAT were the most sensitive biomarkers in the toxicity response. IMI+Cd2+ exposures are appeared to increase their toxic effects due to their oxidative potential. ATPase inhibition and antioxidant enzyme alterations with a decrease in morphometric characteristics in Daphnia even at their low concentrations of IMI and Cd2+ show evidence of their toxicities on aquatic life. It was emphasized that investigating the combined effects of toxicants at their environmental level based on the multi-biomarker approach is essential in toxicity evaluation.
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Affiliation(s)
- Kemal Mahmut
- Çukurova University, Biotechnology Center, Adana, Turkey
| | - Gülüzar Atli Demiray
- Çukurova University, Biotechnology Center, Adana, Turkey; Çukurova University, Vocational School of Imamoglu, Adana, Turkey.
| | - Yusuf Sevgiler
- Adıyaman University, Faculty of Science and Letters, Department of Biology, Adıyaman, Turkey.
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13
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Gabellone C, Molina G, Arrighetti F, Laino A, Garcia CF. Behavioral, Histological, and Physiological Evaluation of the Effect of Imidacloprid on the Spider Misumenops maculissparsus. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2152-2161. [PMID: 35723420 DOI: 10.1002/etc.5411] [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: 03/15/2022] [Revised: 04/25/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
The aim of the present study was to evaluate the effects of the neonicotinoid insecticide imidacloprid (commercial formulation) on juveniles of the spider Misumenops maculissparsus (Keyserling, 1891). We first analyzed whether spiders recognized the presence of the insecticide on surfaces and in drinking water (in the form of droplets). Next, we investigated if the insecticide generated histologic, physiologic, and/or biochemical alterations. We observed that spiders do not detect the insecticide on a surface (e.g., paper) or in the form of droplets. After the imidacloprid ingestion by droplet intake, most spiders exhibited a paralysis that reverted after 48 h. Consequently, we observed histopathologic damage (i.e., pigment accumulation, necrosis, and cuticle detachment), and an increased catalase (CAT) activity and total-protein concentration in the individuals treated. The activities of glutathione-S-transferase, glutathione peroxidase, glutathione reductase, and superoxide dismutase, however, did not undergo significant variations. The results obtained emphasize the need to consider different classes of biomarkers, such as CAT and other proteins, to identify and evaluate the histologic, biologic, and biochemical effects of imidacloprid, one of the most widely used insecticides. Environ Toxicol Chem 2022;41:2152-2161. © 2022 SETAC.
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Affiliation(s)
- Cecilia Gabellone
- Centro de Estudios Parasitológicos y Vectores (CEPAVE), La Plata, Argentina
| | - Gabriel Molina
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner", La Plata, Argentina
| | - Florencia Arrighetti
- CONICET-Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Ciudad Autónoma de Buenos Aires, Argentina
| | - Aldana Laino
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner", La Plata, Argentina
| | - Carlos Fernando Garcia
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner", La Plata, Argentina
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14
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Zhang L, Zhang J, Wang C, He Y, Wen X, Xu Z, Wang C. Toxicological, Behavioral, and Horizontal Transfer Effects of Cycloxaprid Against Formosan Subterranean Termites (Blattodea: Rhinotermitidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2022; 115:1240-1250. [PMID: 35583241 DOI: 10.1093/jee/toac073] [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: 02/28/2022] [Indexed: 06/15/2023]
Abstract
Cycloxaprid, 9-((6-chloropyrid-3-yl)methyl)-4-nitro-8-oxa-10,11-dihydroimidazo-[2,3-a]-bicyclo-[3,2,1]-oct-3-ene, is a cis-configuration neonicotinoid insecticide. In the present study, the lethal and sublethal effect of cycloxaprid against Formosan subterranean termites, Coptotermes formosanus Shiraki (Blattodea: Rhinotermitidae), was evaluated and compared with fipronil. Toxicity bioassays showed that cycloxaprid had slightly lower toxicity than fipronil. The minimum cycloxaprid concentration in sand and soil that causes 100% termite mortality was 100 ppm. Similar to fipronil, cycloxaprid significantly reduced wood consumption and tunneling activities of termites. In the tunneling-choice tests, termite tunneling activity measured in both length and area was significantly lower in sand treated with cycloxaprid (10 or 100 ppm) than that in untreated sand. In the aggregation-choice tests, cycloxaprid exhibited inhibition to termite aggregation starting from 100 ppm. In addition, cycloxaprid exhibited significant horizontal transfer effect at 10 ppm. In conclusion, our study showed that cycloxaprid is slightly less toxic than fipronil and more repellent to C. formosanus than fipronil. Future studies are needed to evaluate the effectiveness of cycloxaprid against subterranean termites in the field.
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Affiliation(s)
- Lang Zhang
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China
| | - Jianlong Zhang
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China
| | - Changlu Wang
- Department of Entomology, Rutgers University, New Brunswick, NJ 08901, USA
| | - Yinghao He
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China
| | - Xiujun Wen
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China
| | - Zhiping Xu
- Shanghai Key Laboratory of Biological Chemistry, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Cai Wang
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China
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15
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Liu S, Lin J, Ding R, Nie X. Simvastatin as an emerging pollutant on non-target aquatic invertebrates: effects on antioxidant-related genes in Daphnia magna. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:52248-52262. [PMID: 35258724 DOI: 10.1007/s11356-022-19466-7] [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: 08/27/2021] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
Simvastatin (SIM) is one of the most widely used lipid-lowering drugs and consequently has been frequently detected in various waters. However, its potential adverse effects and toxic mechanisms on non-target organisms such as Daphnia magna (D. magna) remain still unclear. In the present study, the expressions of Nrf2 and antioxidant genes including Keap1, HO-1, GCLC, GST, SOD, CAT, GPx5, GPx7, GRx, TRX, TrxR, and Prx1 in D. magna exposed to SIM for 24 h, 48 h, and 96 h were investigated. The changes of SOD, CAT, GST, and GPx enzymatic activities, and the GSH and MDA content under SIM for 48-h exposure were also addressed. Results showed that the expression of Nrf2 was inhibited at 24 h but induced at 96 h, displaying a time- and/or dose-dependent relationship under SIM exposure. In contrast, Keap1 exhibited induction at 24 h. HO-1 showed significant induction under SIM exposure for different time. SOD generally displayed an induction trend under SIM exposure for different periods. GPX5 expression showed significant induction under SIM exposure, particularly at 24 h in 5 µg L-1 increasing 15 folds of the control. But GPX7 expression generally displayed inhibition except in 5 µg L-1. Trx and TrxR showed different induction or inhibition, which was depended on the exposure time and concentration. Prx1 displayed significant induction in most SIM groups. In addition, the decreasing GSH and increasing MDA content also indicated oxidative stress of SIM exposure. Overall, SIM exposure affected the expression of Nrf2 and antioxidant-related genes and altered the redox homeostasis of D. magna, even may cause the morphological changes such as shorten spine and abnormal development eye.
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Affiliation(s)
- Sijia Liu
- Department of Ecology/Hydrobiology Research Institute, Jinan University, Guangzhou, 510632, China
| | - Jiawei Lin
- Department of Ecology/Hydrobiology Research Institute, Jinan University, Guangzhou, 510632, China
| | - Rui Ding
- Department of Ecology/Hydrobiology Research Institute, Jinan University, Guangzhou, 510632, China
| | - Xiangping Nie
- Department of Ecology/Hydrobiology Research Institute, Jinan University, Guangzhou, 510632, China.
- Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou, 510632, China.
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16
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Zhang L, Wang L, Chen J, Zhang J, He Y, Lu Y, Cai J, Chen X, Wen X, Xu Z, Wang C. Toxicity, horizontal transfer, and physiological and behavioral effects of cycloxaprid against Solenopsis invicta (Hymenoptera: Formicidae). PEST MANAGEMENT SCIENCE 2022; 78:2228-2239. [PMID: 35192738 DOI: 10.1002/ps.6847] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 02/02/2022] [Accepted: 02/18/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND The red imported fire ant, Solenopsis invicta Buren, is a significant urban, agricultural, and medical pest with a wide distribution in the world. Surface or mound treatment using contact insecticide is one of the main methods to control S. invicta. In the present study, cycloxaprid, a newly discovered neonicotinoid insecticide, was evaluated for S. invicta control and compared with two referent insecticides, imidacloprid and bifenthrin. RESULTS Surfaces or sand treated with cycloxaprid, imidacloprid, or bifenthrin caused high mortality of S. invicta workers, and the action of cycloxaprid or imidacloprid was slower than bifenthrin. Like imidacloprid and bifenthrin, cycloxaprid can be horizontally transferred from corpses or live donor ants to recipient ants. In addition, cycloxaprid- or imidacloprid-treated surfaces significantly induced the activities of acetylcholinesterase (AChE) and detoxification enzymes; nevertheless, they had no significant effect on the foraging behaviors of S. invicta workers. Also, sand treated with cycloxaprid or imidacloprid did not negatively affect the digging activities of ants. Interestingly, S. invicta workers excavated significantly more sand containing 0.01 mg/kg cycloxaprid than untreated sand in the no-choice digging bioassays. In addition, extensive nesting activities (sand excavation and stacking) were observed in the flowerpots containing untreated sand or sand treated with cycloxaprid or imidacloprid. On the contrary, bifenthrin significantly reduced the foraging, digging, and nesting activities of S. invicta workers. CONCLUSION Cycloxaprid is a slow-acting and nonrepellent insecticide against S. invicta workers, and its contact and horizontal toxicities are slightly higher than imidacloprid. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Lang Zhang
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Lei Wang
- College of Plant Protection, South China Agricultural University, Guangzhou, China
| | - Jian Chen
- Biological Control of Pests Research Unit, Agricultural Research Service, US Department of Agriculture, Stoneville, MS, USA
| | - Jianlong Zhang
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Yinghao He
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Yongyue Lu
- College of Plant Protection, South China Agricultural University, Guangzhou, China
| | - Jiacheng Cai
- Department of Mathematical Science, Salisbury University, Salisbury, MD, USA
| | - Xuan Chen
- Department of Biology, Salisbury University, Salisbury, MD, USA
| | - Xiujun Wen
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Zhiping Xu
- Shanghai Key Laboratory of Biological Chemistry, School of Pharmacy, East China University of Science and Technology, Shanghai, China
| | - Cai Wang
- Guangdong Key Laboratory for Innovation Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
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Liu Y, Zhang J, Zhao H, Cai J, Sultan Y, Fang H, Zhang B, Ma J. Effects of polyvinyl chloride microplastics on reproduction, oxidative stress and reproduction and detoxification-related genes in Daphnia magna. Comp Biochem Physiol C Toxicol Pharmacol 2022; 254:109269. [PMID: 35026397 DOI: 10.1016/j.cbpc.2022.109269] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 01/22/2023]
Abstract
The drastic increase of microplastics (MPs) in aquatic environment has become a serious threat to marine and freshwater ecosystems. However, little information is available regarding the potential detrimental effects of polyvinyl chloride microplastics (PVC-MPs) on aquatic organisms. This study investigated the changes of reproduction parameters, oxidative stress and the expression of reproduction and detoxification-related genes in Daphnia magna after exposed to 2 ± 1 and 50 ± 10 μm PVC-MPs. The results showed that chronic exposure to 2 ± 1 μm PVC-MPs prolonged days to the first brood, increased total number of broods per female and frequency of molting per adult, decreased offspring number at first brood and total number of offspring per female in D. magna. Moreover, 2 ± 1 μm PVC-MPs also disturbed the activities of SOD and CAT, increased GSH and MDA levels. The expression of Vtg, SOD, CAT, CYP314 and CYP360A8 genes also exhibited different response patterns depending on exposure time. Furthermore, 50 ± 10 μm PVC-MPs decreased offspring at first brood and Vtg mRNA level, increased the transcription levels and activities of SOD and CAT. These results suggest that the presence of PVC-MPs in aquatic environment may cause reproduction toxicity by disrupting the reproduction and detoxification-related genes expression and inducing oxidative stress in D. magna.
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Affiliation(s)
- Yang Liu
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jiale Zhang
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Haoyang Zhao
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Ji Cai
- Center for Ecological Research, Kyoto University, Shiga 520-2113, Japan
| | - Yousef Sultan
- Department of Food Toxicology and Contaminants, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Haiyan Fang
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Bangjun Zhang
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Junguo Ma
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
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18
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Cheng X, Chen KX, Jiang ND, Wang L, Jiang HY, Zhao YX, Dai ZL, Dai YJ. Nitroreduction of imidacloprid by the actinomycete Gordonia alkanivorans and the stability and acute toxicity of the nitroso metabolite. CHEMOSPHERE 2022; 291:132885. [PMID: 34774905 DOI: 10.1016/j.chemosphere.2021.132885] [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: 06/27/2021] [Revised: 11/01/2021] [Accepted: 11/10/2021] [Indexed: 06/13/2023]
Abstract
The insecticide imidacloprid (IMI), which is used worldwide, pollutes environments and has significant ecotoxicological effects. Microbial metabolism and photolysis are the major pathways of IMI degradation in natural environments. Several studies have reported that the metabolites of IMI nitroreduction are more toxic to some insects and mammals than IMI itself. Thus, environmental degradation of IMI may enhance the ecotoxicity of IMI and have adverse effects on non-target organisms. Here, we report that an actinomycete-Gordonia alkanivorans CGMCC 21704-transforms IMI to a nitroreduction metabolite, nitroso IMI. Resting cells of G. alkanivorans at OD600 nm = 10 transformed 95.7% of 200 mg L-1 IMI to nitroso IMI in 4 d. Nitroso IMI was stable at pH 4-9. However, it rapidly degraded under sunlight via multiple oxidation, dehalogenation, and oxidative cleavage reactions to form 10 derivatives; the half-life of nitroso IMI in photolysis was 0.41 h, compared with 6.19 h for IMI. Acute toxicity studies showed that the half maximal effective concentration (EC50) values of IMI, nitroso IMI, and its photolytic metabolites toward the planktonic crustacean Daphnia magna for immobilization (exposed to the test compounds for 48 h) were 17.70, 9.38, 8.44 mg L-1, respectively. The half-life of nitroso IMI in various soils was also examined. The present study reveals that microbial nitroreduction accelerates IMI degradation and the nitroso IMI is easily decomposed by sunlight and in soil. However, nitroso IMI and its photolytic products have higher toxicity toward D. magna than the parent compound IMI, and therefore increase the ecotoxicity of IMI.
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Affiliation(s)
- Xi Cheng
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Ke-Xin Chen
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Neng-Dang Jiang
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Li Wang
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Huo-Yong Jiang
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Yun-Xiu Zhao
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Zhi-Ling Dai
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Yi-Jun Dai
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China.
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Fu Z, Han F, Huang K, Zhang J, Qin JG, Chen L, Li E. Impact of imidacloprid exposure on the biochemical responses, transcriptome, gut microbiota and growth performance of the Pacific white shrimp Litopenaeus vannamei. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127513. [PMID: 34687996 DOI: 10.1016/j.jhazmat.2021.127513] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/01/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
The widespread use of neonicotinoid insecticides, such as imidacloprid, in agriculture is one of the key factors for the drop in the survival of invertebrates, including decapod crustaceans. However, there is currently a lack of comprehensive studies on the chronic toxicity mechanisms in decapod crustaceans. Here, the concentration-dependent effects of imidacloprid on the physiology and biochemistry, gut microbiota and transcriptome of L. vannamei , and the interaction between imidacloprid, gut microbiota and genes were studied. Imidacloprid caused oxidative stress, leading to reduced growth and to immunity and tissue damage in L. vannamei . Imidacloprid increased the gut pathogenic microbiota abundance and broke the steady state of the gut microbiota interaction network, resulting in microbiota function disorders. Chronic imidacloprid exposure induced overall transcriptome changes in L. vannamei . Specifically, imidacloprid caused a large number of differentially expressed genes (DEGs) to be significantly downregulated. The inhibition of autophagy-related pathways revealed the toxic process of imidacloprid to L. vannamei . The changes in phase I and II detoxification gene expression clarified the formation of a detoxification mechanism in L. vannamei . The disturbance of circadian rhythm (CLOCK) caused by imidacloprid is one of the reasons for the increase in gut pathogenic microbiota abundance.
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Affiliation(s)
- Zhenqiang Fu
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, College of Marine Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Fenglu Han
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, College of Marine Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Kaiqi Huang
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, College of Marine Sciences, Hainan University, Haikou, Hainan 570228, China
| | - Jiliang Zhang
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou, Hainan, China
| | - Jian G Qin
- School of Biological Sciences, Flinders University, Adelaide, SA 5001, Australia
| | - Liqiao Chen
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Erchao Li
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, College of Marine Sciences, Hainan University, Haikou, Hainan 570228, China.
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Butcherine P, Kelaher BP, Benkendorff K. Assessment of acetylcholinesterase, catalase, and glutathione S-transferase as biomarkers for imidacloprid exposure in penaeid shrimp. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 242:106050. [PMID: 34915355 DOI: 10.1016/j.aquatox.2021.106050] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 11/18/2021] [Accepted: 12/02/2021] [Indexed: 06/14/2023]
Abstract
Shrimp aquaculture is a valuable source of quality seafood that can be impacted by exposure to insecticides, such as imidacloprid. Here, adult black tiger shrimp (Penaeus monodon) were used to evaluate the activity of acetylcholinesterase (AChE), catalase (CAT), and glutathione S-transferase (GST) in abdominal, head, gill, and hepatopancreas tissue as biomarkers for imidacloprid exposure. Adult P. monodon were continuously exposed to imidacloprid in water (5 μgL-1 and 30 μgL-1) or feed (12.5 μg g-1 and 75 μg g-1) for either 4 or 21 days. The imidacloprid concentration in shrimp tissues was determined using liquid chromatography-mass spectrometry after QuEChER extraction, and AChE, CAT, and GST activities were estimated by spectrophotometric assay. Imidacloprid exposure in shrimp elevated the activity of biomarkers, and the enzymatic activity was positively correlated to tissue imidacloprid accumulation, although the effects varied in a tissue-, dose- and time-dependent manner. AChE activity was correlated to imidacloprid concentration in the abdominal tissue of shrimp and was likely related to neural tissue distribution, while the activity of CAT and GST confirmed a generalised anti-oxidant stress response. AChE, CAT, and GST were valuable biomarkers for assessing shrimp response to imidacloprid exposure from dietary or water sources, and the abdominal tissue was the most reliable for exposure assessment. An elevated response in each of these biomarkers during routine monitoring could provide an early warning of shrimp stress, suggesting that investigating potential contamination by neonicotinoid pesticides would be worthwhile.
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Affiliation(s)
- Peter Butcherine
- Marine Ecology Research Centre, National Marine Science Centre, Southern Cross University, 2 Bay Drive Coffs Harbour, NSW 2450, Australia
| | - Brendan P Kelaher
- Marine Ecology Research Centre, National Marine Science Centre, Southern Cross University, 2 Bay Drive Coffs Harbour, NSW 2450, Australia
| | - Kirsten Benkendorff
- Marine Ecology Research Centre, National Marine Science Centre, Southern Cross University, 2 Bay Drive Coffs Harbour, NSW 2450, Australia.
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21
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Exposure to the Insecticide Sulfoxaflor Affects Behaviour and Biomarkers Responses of Carcinus maenas (Crustacea: Decapoda). BIOLOGY 2021; 10:biology10121234. [PMID: 34943149 PMCID: PMC8698531 DOI: 10.3390/biology10121234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/17/2021] [Accepted: 11/24/2021] [Indexed: 11/19/2022]
Abstract
Simple Summary Sulfoxaflor is an insecticide for which there are few studies regarding its toxicity to non-target organisms. The present study aimed to investigate the acute and sub-lethal effects of sulfoxaflor on Carcinus maenas by addressing survival, behaviour, and biomarkers. Sulfoxaflor affected feed intake and motricity of C. maenas. From the integrated analysis of endpoints, with the increase in concentrations of sulfoxaflor, after seven days, one can notice a lower detoxification capacity, higher lipid peroxidation, and higher motricity effects and lower feed intake. This study aims to contribute to the understanding of the negative impacts of sulfoxaflor on green crabs and increase knowledge of this pesticide toxicity to non-target coastal invertebrates. Abstract Sulfoxaflor is an insecticide belonging to the recent sulfoximine class, acting as a nicotinic acetylcholine receptor (nAChRs) agonist. There are few studies regarding sulfoxaflor’s toxicity to non-target organisms. The present study aimed to investigate the acute and sub-lethal effects of sulfoxaflor on Carcinus maenas by addressing survival, behaviour (feed intake and motricity), and neuromuscular, detoxification and oxidative stress, and energy metabolism biomarkers. Adult male green crabs were exposed to sulfoxaflor for 96 h and an LC50 of 2.88 mg L−1 was estimated. All biomarker endpoints were sampled after three (T3) and seven (T7) days of exposure and behavioural endpoints were addressed at T3 and day six (T6). Sulfoxaflor affected the feed intake and motricity of C. maenas at T6. From the integrated analysis of endpoints, with the increase in concentrations of sulfoxaflor, after seven days, one can notice a lower detoxification capacity (lower GST), higher LPO levels and effects on behaviour (higher motricity effects and lower feed intake). This integrated approach proved to be valuable in understanding the negative impacts of sulfoxaflor on green crabs, while contributing to the knowledge of this pesticide toxicity to non-target coastal invertebrates.
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Almeida RA, Lemmens P, De Meester L, Brans KI. Differential local genetic adaptation to pesticide use in organic and conventional agriculture in an aquatic non-target species. Proc Biol Sci 2021; 288:20211903. [PMID: 34784768 PMCID: PMC8596010 DOI: 10.1098/rspb.2021.1903] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/22/2021] [Indexed: 11/25/2022] Open
Abstract
Pesticide application is an important stressor to non-target species and can profoundly affect ecosystem functioning. Debates continue on the choice of agricultural practices regarding their environmental impact, and organic farming is considered less detrimental compared to conventional practices. Nevertheless, comparative studies on the impacts of both agricultural approaches on the genetic adaptation of non-target species are lacking. We assessed to what extent organic and conventional agriculture elicit local genetic adaptation of populations of a non-target aquatic species, Daphnia magna. We tested for genetic differences in sensitivity of different D. magna populations (n = 7), originating from ponds surrounded by conventional and organic agriculture as well as nature reserves, to pesticides used either in conventional (chlorpyrifos) or organic agriculture (deltamethrin and copper sulfate). The results indicate that D. magna populations differentially adapt to local pesticide use. Populations show increased resistance to chlorpyrifos as the percentage of conventional agriculture in the surrounding landscape increases, whereas populations from organic agriculture sites are more resistant to deltamethrin. While organic agriculture is considered less harmful for non-target species than conventional, both types of agriculture shape the evolution of pesticide resistance in non-target species in a specific manner, reflecting the differences in selection pressure.
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Affiliation(s)
- Rafaela A. Almeida
- Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Ch. Deberiotstraat 32, B-3000 Leuven, Belgium
| | - Pieter Lemmens
- Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Ch. Deberiotstraat 32, B-3000 Leuven, Belgium
- Leibniz Institute für Gewasserökologie und Binnenfischerei (IGB), Müggelseedamm 310, 12587 Berlin, Germany
| | - Luc De Meester
- Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Ch. Deberiotstraat 32, B-3000 Leuven, Belgium
- Leibniz Institute für Gewasserökologie und Binnenfischerei (IGB), Müggelseedamm 310, 12587 Berlin, Germany
- Institute of Biology, Freie Universität Berlin, Königin-Luise-Strasse 1-3, 14195 Berlin, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Königin-Luise-Str. 2-4, 14195 Berlin, Germany
| | - Kristien I. Brans
- Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Ch. Deberiotstraat 32, B-3000 Leuven, Belgium
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Pfaff J, Reinwald H, Ayobahan SU, Alvincz J, Göckener B, Shomroni O, Salinas G, Düring RA, Schäfers C, Eilebrecht S. Toxicogenomic differentiation of functional responses to fipronil and imidacloprid in Daphnia magna. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 238:105927. [PMID: 34340001 DOI: 10.1016/j.aquatox.2021.105927] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 07/10/2021] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
Active substances of pesticides, biocides or pharmaceuticals can induce adverse side effects in the aquatic ecosystem, necessitating environmental hazard and risk assessment prior to substance registration. The freshwater crustacean Daphnia magna is a model organism for acute and chronic toxicity assessment representing aquatic invertebrates. However, standardized tests involving daphnia are restricted to the endpoints immobility and reproduction and thus provide only limited insights into the underlying modes-of-action. Here, we applied transcriptome profiling to a modified D. magna Acute Immobilization test to analyze and compare gene expression profiles induced by the GABA-gated chloride channel blocker fipronil and the nicotinic acetylcholine receptor (nAChR) agonist imidacloprid. Daphnids were expose to two low effect concentrations of each substance followed by RNA sequencing and functional classification of affected gene ontologies and pathways. For both insecticides, we observed a concentration-dependent increase in the number of differentially expressed genes, whose expression changes were highly significantly positively correlated when comparing both test concentrations. These gene expression fingerprints showed virtually no overlap between the test substances and they related well to previous data of diazepam and carbaryl, two substances targeting similar molecular key events. While, based on our results, fipronil predominantly interfered with molecular functions involved in ATPase-coupled transmembrane transport and transcription regulation, imidacloprid primarily affected oxidase and oxidoreductase activity. These findings provide evidence that systems biology approaches can be utilized to identify and differentiate modes-of-action of chemical stressors in D. magna as an invertebrate aquatic non-target organism. The mechanistic knowledge extracted from such data will in future contribute to the development of Adverse Outcome Pathways (AOPs) for read-across and prediction of population effects.
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Affiliation(s)
- Julia Pfaff
- Fraunhofer Attract Eco'n'OMICs, Fraunhofer Institute for Molecular Biology and Applied Ecology, Schmallenberg, Germany; Institute of Soil Science and Soil Conservation, Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, Giessen, Germany
| | - Hannes Reinwald
- Fraunhofer Attract Eco'n'OMICs, Fraunhofer Institute for Molecular Biology and Applied Ecology, Schmallenberg, Germany; Department Evolutionary Ecology and Environmental Toxicology, Faculty Biological Sciences, Goethe University Frankfurt, Frankfurt, Germany
| | - Steve U Ayobahan
- Fraunhofer Attract Eco'n'OMICs, Fraunhofer Institute for Molecular Biology and Applied Ecology, Schmallenberg, Germany
| | - Julia Alvincz
- Fraunhofer Attract Eco'n'OMICs, Fraunhofer Institute for Molecular Biology and Applied Ecology, Schmallenberg, Germany
| | - Bernd Göckener
- Department Environmental and Food Analysis, Fraunhofer Institute for Molecular Biology and Applied Ecology, Schmallenberg, Germany
| | - Orr Shomroni
- NGS-Services for Integrative Genomics, University of Göttingen, Göttingen, Germany
| | - Gabriela Salinas
- NGS-Services for Integrative Genomics, University of Göttingen, Göttingen, Germany
| | - Rolf-Alexander Düring
- Institute of Soil Science and Soil Conservation, Research Centre for BioSystems, Land Use and Nutrition (iFZ), Justus Liebig University Giessen, Giessen, Germany
| | - Christoph Schäfers
- Department of Ecotoxicology, Fraunhofer Institute for Molecular Biology and Applied Ecology, Schmallenberg, Germany
| | - Sebastian Eilebrecht
- Fraunhofer Attract Eco'n'OMICs, Fraunhofer Institute for Molecular Biology and Applied Ecology, Schmallenberg, Germany.
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Butcherine P, Kelaher BP, Taylor MD, Lawson C, Benkendorff K. Acute toxicity, accumulation and sublethal effects of four neonicotinoids on juvenile Black Tiger Shrimp (Penaeus monodon). CHEMOSPHERE 2021; 275:129918. [PMID: 33639551 DOI: 10.1016/j.chemosphere.2021.129918] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/25/2021] [Accepted: 02/07/2021] [Indexed: 06/12/2023]
Abstract
Neonicotinoid pesticides have been detected in aquatic habitats, and exposure may impact the health of aquatic organisms such as commercially-important crustaceans. Black Tiger Shrimp (Penaeus monodon) is a broadly distributed and high-value shrimp species that rely on estuaries for early life stages. Differences in the acute toxicity and accumulation of different neonicotinoids in tissues of commercial crustaceans have not been widely investigated. This study compared acute toxicity, uptake, and depuration of four neonicotinoids; thiamethoxam, clothianidin, acetamiprid, and imidacloprid, on juvenile P. monodon and their effects on enzyme biomarkers. Acute toxicity (48-h LC50) was determined as 190 μg L-1 (clothianidin), 390 μg L-1 (thiamethoxam), 408 μg L-1 (imidacloprid), and >500 μg L-1(acetamiprid). To assess uptake and elimination, shrimp were exposed to a fixed 5 μg L-1 water concentration for eight days (uptake) or four days of exposure followed by four days of depuration (elimination). Neonicotinoid water and tissue concentrations were measured by liquid chromatography-mass spectrometry following solid-phase extraction and QuEChER extraction respectively. The lower toxicity associated with acetamiprid could be associated with lower accumulation in the tissue, with concentrations remaining below 0.01 μg g-1. The activity of acetylcholinesterase, catalase and glutathione S-transferase in abdominal tissues was determined by spectrophotometric assay, with significant sublethal effects detected for all four neonicotinoids. Depuration reduced the tissue concentration of the active ingredient and reduced the activity of oxidative stress enzymes. Given acetamiprid showed no acute toxicity and reduced impact on the enzymatic activity of P. monodon, it may be an appropriate alternative to other neonicotinoids in shrimp producing areas.
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Affiliation(s)
- Peter Butcherine
- Marine Ecology Research Centre, Southern Cross University, PO Box 157, Lismore, NSW, 2480, Australia; National Marine Science Centre, Southern Cross University, Coffs Harbour, NSW, 2450, Australia
| | - Brendan P Kelaher
- Marine Ecology Research Centre, Southern Cross University, PO Box 157, Lismore, NSW, 2480, Australia; National Marine Science Centre, Southern Cross University, Coffs Harbour, NSW, 2450, Australia
| | - Matthew D Taylor
- NSW Department of Primary Industries, Port Stephens Fisheries Institute, Locked Bag 1, Nelson Bay, NSW, 2315, Australia
| | - Corinne Lawson
- National Marine Science Centre, Southern Cross University, Coffs Harbour, NSW, 2450, Australia
| | - Kirsten Benkendorff
- Marine Ecology Research Centre, Southern Cross University, PO Box 157, Lismore, NSW, 2480, Australia; National Marine Science Centre, Southern Cross University, Coffs Harbour, NSW, 2450, Australia.
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25
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Wei F, Wang D, Li H, You J. Joint toxicity of imidacloprid and azoxystrobin to Chironomus dilutus at organism, cell, and gene levels. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 233:105783. [PMID: 33662881 DOI: 10.1016/j.aquatox.2021.105783] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 02/04/2021] [Accepted: 02/11/2021] [Indexed: 06/12/2023]
Abstract
Pesticides occur in the environment as mixtures, yet the joint toxicity of pesticide mixtures remains largely under-explored and is usually overlooked in ecological risk assessment. In the current study, joint toxicity of a neonicotinoid insecticide (imidacloprid, IMI) and a strobilurin fungicide (azoxystrobin, AZO) was investigated with Chironomus dilutus over a wide range of concentrations and at different effect levels (organism, cell, and gene levels). The two pesticides, both individually and in combination, were found to induce oxidative stress and cause lethality in C. dilutus. Median lethal concentrations for IMI and AZO were 3.98 ± 1.17 and 52.9 ± 1.1 μg/L, respectively. Mixtures of the two pesticides presented synergetic effects at environmentally relevant concentrations whilst antagonistic effects at high concentrations, showing concentration-dependent joint toxicity. Investigation on the expressions of 12 genes (cyt b, coi, cox1, cyp4, cyp12m1, cyp9au1, cyp6fv1, cyp315, gst, Zn/Cu-sod, Mn-sod, and cat) revealed that the two pesticides impaired mitochondrial respiration, detoxification, and antioxidant system of C. dilutus, and the joint effects of the two pesticides were likely due to an interplay between their respective influences on these physiological processes. Collectively, the synergistic effects of the two pesticides at environmentally relevant concentrations highlight the importance to incorporate combined toxicity studies into ecological risk assessment of pesticides.
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Affiliation(s)
- Fenghua Wei
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China; School of Chemistry and Environment, Jiaying University, Meizhou, 514015, China
| | - Dali Wang
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China.
| | - Huizhen Li
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
| | - Jing You
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China
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27
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Queiroz LG, do Prado CCA, de Almeida ÉC, Dörr FA, Pinto E, da Silva FT, de Paiva TCB. Responses of Aquatic Nontarget Organisms in Experiments Simulating a Scenario of Contamination by Imidacloprid in a Freshwater Environment. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 80:437-449. [PMID: 33275184 DOI: 10.1007/s00244-020-00782-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 11/01/2020] [Indexed: 06/12/2023]
Abstract
Several studies have indicated the presence of the neonicotinoid insecticide imidacloprid (IMI) in aquatic ecosystems in concentrations up to 320.0 µg L-1. In the present study, we evaluated the effects of the highest IMI concentration detected in surface water (320.0 µg L-1) on the survival of Chironomus sancticaroli, Daphnia similis, and Danio rerio in three different scenarios of water contamination. The enzymatic activities of glutathione S-transferase (GST), catalase (CAT), and ascorbate peroxidase (APX) in D. rerio also were determined. For this evaluation, we have simulated a lotic environment using an indoor system of artificial channels developed for the present study. In this system, three scenarios of contamination by IMI (320.0 µg L-1) were reproduced: one using reconstituted water (RW) and the other two using water samples collected in unpolluted (UW) and polluted (DW) areas of a river. The results indicated that the tested concentration was not able to cause mortality in D. similis and D. rerio in any proposed treatment (RW, UW, and DW). However, C. sancticaroli showed 100% of mortality in the presence of IMI in the three proposed treatments, demonstrating its potential to impact the community of aquatic nontarget insects negatively. Low IMI concentrations did not offer risks to D. rerio survival. However, we observed alterations in GST, CAT, and APX activities in treatments that used IMI and water with no evidence of pollution (i.e., RW and UW). These last results demonstrated that fish are more susceptible to the effects of IMI in unpolluted environments.
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Affiliation(s)
- Lucas Gonçalves Queiroz
- Department of Biotechnology, School of Engineering of Lorena, University of São Paulo, Lorena, SP, Brazil.
| | | | - Éryka Costa de Almeida
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Felipe Augusto Dörr
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Ernani Pinto
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Flávio Teixeira da Silva
- Department of Biotechnology, School of Engineering of Lorena, University of São Paulo, Lorena, SP, Brazil
| | - Teresa Cristina Brazil de Paiva
- Department of Basic and Environmental Sciences, School of Engineering of Lorena, University of São Paulo, Lorena, SP, Brazil
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28
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Singh A, Leppanen C. Known Target and Nontarget Effects of the Novel Neonicotinoid Cycloxaprid to Arthropods: A Systematic Review. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2020; 16:831-840. [PMID: 32592520 DOI: 10.1002/ieam.4305] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 05/05/2020] [Accepted: 06/23/2020] [Indexed: 06/11/2023]
Abstract
Neonicotinoids are the most widely used insecticide class worldwide, and unfortunately, the widely used neonicotinoid imidacloprid is problematic for pollinators and other nontarget organisms. These nontarget impacts and the development of resistance prompt the ongoing development and testing of new neonicotinoids. The novel neonicotinoid cycloxaprid was described in 2011 and registered in China in 2015. Studies investigating its use and effect on target and nontarget species are recent and ongoing, and empirical evidence has not yet been collectively considered. Therefore, a systematic review was performed to identify and summarize data associated with target and nontarget, lethal and sublethal impacts of cycloxaprid for its use as a new insecticide. We performed keyword literature searches in Web of Science, PubMed, Academic Search Complete, and Google Scholar and explored citations used in identified articles. The search strategy yielded 66 citations; 25 citations fulfilled eligibility criteria and were included in the review. Under experimental conditions, cycloxaprid reduced populations of plant-feeding insect pests, suppressed populations of sucking and biting insect pests, and affected reproduction, development time, longevity, growth, gene regulation and expression, and phloem-feeding behavior of various life stages of certain insects. Studies focus on pest control efficacy and comparison with imidacloprid. Five nontarget organisms have been evaluated: Apis mellifera, Chrysoperla sinica, Harmonia axyridis, Daphnia magna, and Eisenia fetida. Variation in study design, to date, precludes a metaanalysis. However, these results provide valuable insight into possible effects to target and nontarget arthropods. Because cycloxaprid is a new insecticide, additional research is needed to clarify the mechanism of action of cycloxaprid and its metabolites, and to determine if it harms natural enemies or other nontarget organisms, if resistance develops, and if it exhibits cross-resistance with other insecticides. Although research on target arthropods will inform some effects on nontarget organisms, studies focusing explicitly on impacts to nontarget organisms are needed. Integr Environ Assess Manag 2020;16:831-840. © 2020 SETAC.
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Affiliation(s)
- Anisha Singh
- Department of Public Health, University of Tennessee, Knoxville, Tennessee, USA
| | - Christy Leppanen
- Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee, USA
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Aksakal FI. Evaluation of boscalid toxicity on Daphnia magna by using antioxidant enzyme activities, the expression of genes related to antioxidant and detoxification systems, and life-history parameters. Comp Biochem Physiol C Toxicol Pharmacol 2020; 237:108830. [PMID: 32535132 DOI: 10.1016/j.cbpc.2020.108830] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 06/06/2020] [Accepted: 06/08/2020] [Indexed: 01/09/2023]
Abstract
Boscalid is a succinate dehydrogenase inhibitor fungicide commonly used to control a range of plant pathogens. Although it is one of the most common fungicides in the aquatic environment, the potential adverse effects of boscalid on freshwater invertebrates still remain unclear. This study aimed to evaluate the toxicity of boscalid on Daphnia magna (D. magna) and provide new information to assess the eco-toxicity of the boscalid on aquatic invertebrates. The effects of boscalid on malondialdehyde (MDA) level, activities of antioxidant enzymes such as superoxide dismutase (SOD), catalase (CAT) and glutathione S-transferase (GST) and the mRNA level of genes associated with antioxidant system (sod, cat, and gst) and detoxification (cytochrome P450 4 (cyp4) and nuclear respiratory factor 1 (nrf1)) were determined after 48 h treatment. The effect of boscalid on reproduction and development of D. magna was evaluated by a 21-d-chronic toxicity test. Boscalid dose-dependently altered activities of SOD, CAT, and GST and led to lipid peroxidation during acute exposure in D. magna. Exposure to 5 and 10 mg/L boscalid also significantly decreased gene expression of sod, gst, cyp4 and nrf1 but increased cat gene expression. Furthermore, chronic toxicity results showed that exposure to boscalid decreased molting frequency, number of neonates per Daphnia, and the number of broods per female as compared to the control groups. The above results indicated that boscalid had significant negative impacts on D. magna, and information present here helps to evaluate the eco-toxicity caused by boscalid on aquatic invertebrates.
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Affiliation(s)
- Feyza Icoglu Aksakal
- Department of Agricultural Biotechnology, Faculty of Agriculture, Atatürk University, 25240 Erzurum, Turkey.
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Stara A, Zuskova E, Vesely L, Kouba A, Velisek J. Single and combined effects of thiacloprid concentration, exposure duration, and water temperature on marbled crayfish Procambarus virginalis. CHEMOSPHERE 2020; 273:128463. [PMID: 34756343 DOI: 10.1016/j.chemosphere.2020.128463] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/25/2020] [Accepted: 09/26/2020] [Indexed: 06/13/2023]
Abstract
The increasing utilization of chemicals and ongoing climate change have a negative impact on aquatic ecosystems. The present study examined combined effects of water temperature, chemical concentration, and duration of exposure to the neonicotinoid thiacloprid on marbled crayfish Procambarus virginalis. Crayfish were exposed to thiacloprid at the environmental concentration of 4.50 μg L-1 and 10% 96LC50 to marbled crayfish, 64.64 μg L-1, at water temperature of 17 and 23 °C for 28 days followed by a 28 day depuration period. No crayfish died during the experiment. Both thiacloprid concentrations at 23 °C showed a synergistic effect with temperature on the biochemical indicators in haemolymph compared to those at 17 °C. Both concentrations of thiacloprid at both temperatures were associated with significant differences from thiacloprid-free controls (P < 0.01) in haemolymph glucose, ammonia, calcium, inorganic phosphate, and lactate; haemolymph enzymes aspartate aminotransferase, alanine aminotransferase, creatine kinase, and alkaline phosphatase; antioxidant biomarkers superoxide dismutase, catalase, glutathione S-transferase, and reduced glutathione in hepatopancreas, muscle, and gill, and showed lipid peroxidation in hepatopancreas and muscle. Histological analyses revealed structural changes and damage to gill and hepatopancreas of exposed crayfish.
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Affiliation(s)
- Alzbeta Stara
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Zatisi 728/II, 389 25, Vodnany, Czech Republic.
| | - Eliska Zuskova
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Lukas Vesely
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Antonin Kouba
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Zatisi 728/II, 389 25, Vodnany, Czech Republic
| | - Josef Velisek
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology, Zatisi 728/II, 389 25, Vodnany, Czech Republic
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Hong Y, Huang Y, Wu S, Yang X, Dong Y, Xu D, Huang Z. Effects of imidacloprid on the oxidative stress, detoxification and gut microbiota of Chinese mitten crab, Eriocheir sinensis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 729:138276. [PMID: 32361427 DOI: 10.1016/j.scitotenv.2020.138276] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 06/11/2023]
Abstract
Imidacloprid (IMI) is used in integrated aquaculture systems for pest control and the toxicity of IMI to non-target aquatic animals such as fish and microcrustaceans has been recognised. However, knowledge about the toxic effect of IMI on commercial crabs is still scarce. In the present study, effects of IMI on the acute toxicity, antioxidative status, detoxification systems and gut microbiota in Chinese mitten crab, Erocheir sinensis were investigated. In the present study, the 96-h LC50 of IMI for E. sinensis was 24.97 mg/L. Under sublethal exposure, superoxide dismutase (SOD) activities increased under low concentration (LC, 5 μg/L) and median concentration (MC, 50 μg/L) exposure, but decreased in high concentration group (HC, 500 μg/L). Activities of catalyse (CAT) decreased in a dose-dependent manner. Detoxification-related enzymes aminopyrine N-demethylase (APND) and erythromycin N-demethylase (ERND) increased in all treatments whereas glutathione-S-transferase (GST) decreased dose-dependently. The relative mRNA expression of the cytochrome P4502 (cyp2) gene was induced significantly in LC and HC groups while no significant change was observed in cytochrome P4503 (cyp3) gene. The expression of gst was also significantly decreased in HC group. Up-regulation of heat shock protein hsp70 and 90 was observed in MC and HC groups whereas hsp60 up-regulated only in LC group. In addition, significant changes of composition of microbial communities at both phylum and genus levels were found in this test. In particular, beneficial bacteria were found to decrease and pathogens increased after exposure to IMI. These results indicate that high concentration of IMI could induce oxidative stress and suppress the detoxification system mainly by down-regulation of gst mRNA expression, inhibition of enzyme activities and dysbiosis of gut microbiota.
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Affiliation(s)
- Yuhang Hong
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan Province, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Shanghai Engineering Research Centre of Agriculture, Shanghai Ocean University, 999 Huchenghuan Road, Lingang New District, Shanghai 201306, China.
| | - Yi Huang
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan Province, China
| | - Shu Wu
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Road, Chengdu 611137, China
| | - Xiaozhen Yang
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture; Shanghai Engineering Research Centre of Agriculture, Shanghai Ocean University, 999 Huchenghuan Road, Lingang New District, Shanghai 201306, China
| | - Yanzhen Dong
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan Province, China
| | - Dayong Xu
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan Province, China
| | - Zhiqiu Huang
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan Province, China
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Wei F, Wang D, Li H, Xia P, Ran Y, You J. Toxicogenomics provides insights to toxicity pathways of neonicotinoids to aquatic insect, Chironomus dilutus. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 260:114011. [PMID: 31991362 DOI: 10.1016/j.envpol.2020.114011] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 01/03/2020] [Accepted: 01/16/2020] [Indexed: 06/10/2023]
Abstract
Neonicotinoid insecticides have posed a great threat to non-target organisms, yet the mechanisms underlying their toxicity are not well characterized. Major modes of action (MoAs) of imidacloprid were analyzed in an aquatic insect Chironomus dilutus. Lethal and sublethal outcomes were assessed in the midges after 96-h exposure to imidacloprid. Global transcriptomic profiles were determined using de novo RNA-sequencing to more holistically identify toxicity pathways. Transcriptional 10% biological potency values derived from ranked KEGG pathways and GO terms were 0.02 (0.01-0.08) (mean (95% confidence interval) and 0.05 (0.04-0.06) μg L-1, respectively, which were more sensitive than those from phenotypic traits (10% lethal concentration: 0.44 (0.23-0.79) μg L-1; 10% burrowing behavior concentration: 0.30 (0.22-0.43) μg L-1). Major MoAs of imidacloprid in aquatic species were identified as follows: the activation of nicotinic acetylcholine receptors (nAChRs) induced by imidacloprid impaired organisms' nerve system through calcium ion homeostasis imbalance and mitochondrial dysfunction, which posed oxidative stress and DNA damage and eventually caused death of organisms. The current investigation highlighted that imidacloprid affected C. dilutus at environmentally relevant concentrations, and elucidated toxicity pathways derived from gene alteration to individual outcomes, calling for more attention to toxicity of neonicotinoids to aquatic organisms.
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Affiliation(s)
- Fenghua Wei
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China; Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Dali Wang
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China
| | - Huizhen Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China
| | - Pu Xia
- Department of Biology, University of Ottawa, Ontario, K1N 6N5, Canada
| | - Yong Ran
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
| | - Jing You
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China.
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Shotgun proteomics analysis reveals sub-lethal effects in Daphnia magna exposed to cell-bound microcystins produced by Microcystis aeruginosa. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 33:100656. [DOI: 10.1016/j.cbd.2020.100656] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/14/2020] [Accepted: 01/15/2020] [Indexed: 01/12/2023]
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Qi S, Zhu L, Wang D, Wang C, Chen X, Xue X, Wu L. Flumethrin at honey-relevant levels induces physiological stresses to honey bee larvae (Apis mellifera L.) in vitro. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 190:110101. [PMID: 31874407 DOI: 10.1016/j.ecoenv.2019.110101] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 12/09/2019] [Accepted: 12/17/2019] [Indexed: 06/10/2023]
Abstract
Varroa mites often inflict heavy losses on the global bee industry and there are few effective control options. Among these methods to control mites, pesticides are extensively used as a cheap, easy to use, and high-efficiency control measure. However, bees are sensitive to many pesticides; thus, a balance between losses induced by drugs and maximum benefits are important for beekeeping and risk assessment. In this study, the effects of flumethrin, a pyrethroid miticide used on bee colonies, was evaluated using bee larvae reared in vitro. We found that flumethrin induced significant mortality during larval metamorphosis and adult emergence. After continuous exposure during the larval stage, significant changes were observed in antioxidative enzymes (SOD and CAT), lipid peroxidation (MDA, LPO, and POD), and detoxification enzymes (GSH, GST, and GR) in the late instar larvae before pupation. It is also noteworthy that flumethrin significantly regulated the expression of immune (Basket and Dscam) and developmental (Amems, Amhex10869, Vtg and Mfe) genes in larvae, which influences can also be found in the subsequent pupae and adult stages. These findings indicate that flumethrin itself is toxic to bee larvae and has potential risks during colony development. Bees are important pollinators and the sustainable and healthy development of colonies is the foundation of pollinating success for agricultural production. This study would provide some useful thinking for pesticides application techniques and processes in risk assessment of pesticides to bee larvae, even colony.
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Affiliation(s)
- Suzhen Qi
- Risk Assessment Laboratory for Bee Products Quality and Safety of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, China
| | - Lizhen Zhu
- Risk Assessment Laboratory for Bee Products Quality and Safety of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, China
| | - Donghui Wang
- College of Life Sciences, Peking University, 5 Yiheyuan Road, Beijing, 100871, PR China
| | - Chen Wang
- Chinese Research Academy of Environmental Sciences, Beijing, 10012, PR China
| | - Xiaofeng Chen
- Shenzhen Noposion Agrochemicals Co., Ltd, 113-Tiegang Shuiku Road, Xixiang, Shenzhen, 518102, PR China
| | - Xiaofeng Xue
- Risk Assessment Laboratory for Bee Products Quality and Safety of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, China
| | - Liming Wu
- Risk Assessment Laboratory for Bee Products Quality and Safety of the Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, China.
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35
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Aksakal FI, Arslan H. Detoxification and reproductive system-related gene expression following exposure to Cu(OH) 2 nanopesticide in water flea (Daphnia magna Straus 1820). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:6103-6111. [PMID: 31863384 DOI: 10.1007/s11356-019-07414-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 12/17/2019] [Indexed: 06/10/2023]
Abstract
The extensive use of copper-based nanopesticides in agriculture has led to their release into the aquatic environment and causes a potential risk to aquatic biota. However, there is a lack of knowledge regarding the possible toxic effect of these nanopesticides on non-target aquatic organisms including invertebrates. Therefore, in this study, effects of commonly used copper-based nanopesticide "Kocide 3000" on gene expression related to detoxification (cyp360a8, gst, P-gp, and hr96) and reproductive system (cut, cyp314, dmrt93, and vtg) in Daphnia magna was investigated through an acute toxicity test. In general, exposure to the nanopesticide caused significant down-regulation of detoxification genes after 24 h and then significant up-regulation after 48 h. Exposure to the nanopesticide, however, significantly induced cut expression after 24 h. Moreover, dmrt93 and vtg genes were up-regulated after 48 h exposure to the nanopesticide. On the other hand, the expression of dmrt93 and vtg down-regulated at high concentration of Cu(OH)2 nanopesticide (1.5 ppm) after 96 h. The results of this study provide first evidence into the crucial role of genes related to detoxification and reproductive system in response to Cu(OH)2 nanopesticide. The use of physiological, biochemical bioassays, as well as gene expression, can help explain the toxic effect of copper-based nanopesticides and provide more insight into the exact mechanism of toxicity in non-target aquatic organisms.
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Affiliation(s)
- Feyza Icoglu Aksakal
- Department of Agricultural Biotechnology, Faculty of Agriculture, Ataturk University, 25240, Erzurum, Turkey.
| | - Harun Arslan
- Department of Basic Sciences, Faculty of Fisheries, Ataturk University, 25240, Erzurum, Turkey
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36
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Qi S, Niu X, Wang DH, Wang C, Zhu L, Xue X, Zhang Z, Wu L. Flumethrin at sublethal concentrations induces stresses in adult honey bees (Apis mellifera L.). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 700:134500. [PMID: 31627045 DOI: 10.1016/j.scitotenv.2019.134500] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 09/10/2019] [Accepted: 09/15/2019] [Indexed: 06/10/2023]
Abstract
Flumethrin is a typical pyrethroid varroacide widely used for mite control in beekeeping worldwide. Currently, information on the toxicological characteristics of flumethrin on bees at sublethal concentrations is still lacking. To fill this gap in information, we performed a 48-h acute oral and 14-day chronic toxicity testing of flumethrin in newly emerged adult honey bees under laboratory conditions. Results showed that flumethrin had high acute toxicity to honey bees with a 48-h LD50 of 0.47 µg/bee (95% CI, 0.39 ∼ 0.57 µg/bee), which is higher than that of many other commercial pyrethroid insecticides, but lower than that of tau-fluvalinate. After 14 days of chronic exposure to flumethrin at 0.01, 0.10, and 1.0 mg/L, significant antioxidant response, detoxification, immune reaction, and apoptosis were observed in the midguts. These findings indicated that flumethrin had potential risks to bees, and it can disturb the homeostasis of bees at sublethal concentrations under longer exposure conditions. Flumethrin is highly lipophilic and easy to accumulate in beeswax; thus, careless practices might pose risks to colony development in commercial beekeeping and native populations. This laboratory study can serve as an early warning, and further studies are required to understand the real residual level of flumethrin in bees and the risks of flumethrin in field condition.
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Affiliation(s)
- Suzhen Qi
- Risk Assessment Laboratory for Bee Products Quaity and Safety of Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Xinyue Niu
- Risk Assessment Laboratory for Bee Products Quaity and Safety of Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China; College of Resources and Environment, Henan Institute of Science and Technology, Xinxiang 453000, Henan, China
| | - Dong Hui Wang
- College of Life Sciences, Peking University, 5 Yiheyuan Road, Beijing 100871, PR China
| | - Chen Wang
- Chinese Research Academy of Environmental Sciences, Beijing 10012, China
| | - Lizhen Zhu
- Risk Assessment Laboratory for Bee Products Quaity and Safety of Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Xiaofeng Xue
- Risk Assessment Laboratory for Bee Products Quaity and Safety of Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Zhongyin Zhang
- College of Resources and Environment, Henan Institute of Science and Technology, Xinxiang 453000, Henan, China
| | - Liming Wu
- Risk Assessment Laboratory for Bee Products Quaity and Safety of Ministry of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China.
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37
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Banaee M, Akhlaghi M, Soltanian S, Gholamhosseini A, Heidarieh H, Fereidouni MS. Acute exposure to chlorpyrifos and glyphosate induces changes in hemolymph biochemical parameters in the crayfish, Astacus leptodactylus (Eschscholtz, 1823). Comp Biochem Physiol C Toxicol Pharmacol 2019; 222:145-155. [PMID: 31055068 DOI: 10.1016/j.cbpc.2019.05.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 04/27/2019] [Accepted: 05/01/2019] [Indexed: 12/16/2022]
Abstract
Acute and subacute toxicity tests for chlorpyrifos and glyphosate were performed on the crayfish, Astacus leptodactylus. The crayfish were divided into a control group and four experimental groups with exposure from 50.18 to 301.11 μg L-1 of chlorpyrifos for 96 h under semi-static test conditions. In the same experiment, the crayfish were exposed to different concentrations of glyphosate (from 0.0, 8.14 to 13.05 mg L-1) for 96 h. Mortality was recorded, and the median lethal concentrations (LC50) were calculated using probit analysis. The 96 h LC50 values of chlorpyrifos and glyphosate to A. leptodactylus were 49.55 ± 4.66 μg L-1 and 7.83 ± 0.50 mg L-1, respectively. The results showed that chlorpyrifos was a few hundred times more toxic than glyphosate for the crayfish. Then, the crayfish were exposed to different subacute concentrations of chlorpyrifos (12.5 and 25 μg L-1) and glyphosate (2 mg L-1 and 4 mg L-1) for seven days, and their toxicity was evaluated through several hemolymph biochemical parameters. Chlorpyrifos and glyphosate exposure caused a significant (P < 0.01) increase in the activity of lactate dehydrogenase (LDH), and gamma-glutamyl transferase (GGT). The results showed a significant (P < 0.01) decrease in acetylcholinesterase (AChE), alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and phenoloxidase (PO) activities in the hemolymph of the crayfish exposed to chlorpyrifos and glyphosate. The total protein and cholesterol levels showed a significant decrease (P < 0.01) in the hemolymph of the crayfish after seven days of exposure to chlorpyrifos and glyphosate. There was a significant increase in triglycerides and glucose levels in treated crayfish. These results show that chlorpyrifos is highly toxic, while glyphosate is moderately toxic to A. leptodactylus. According to the results, subacute concentrations of chlorpyrifos and glyphosate could lead to a collapse of cellular homeostasis and changes in the hemolymph biochemical parameters in the crayfish. Physiological changes caused by exposure to chlorpyrifos and glyphosate in A. leptodactylus may have direct effects on the survival of these organisms.
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Affiliation(s)
- Mahdi Banaee
- Aquaculture Department, Faculty of Natural Resources and the Environment, Behbahan Khatam Alanbia University of Technology, Behbahan, Iran.
| | - Mostafa Akhlaghi
- Aquatic Animal Health and Diseases Department, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Siyavash Soltanian
- Aquatic Animal Health and Diseases Department, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Amin Gholamhosseini
- Aquatic Animal Health and Diseases Department, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Hassan Heidarieh
- Aquatic Animal Health and Diseases Department, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Mohammad Saeed Fereidouni
- Aquatic Animal Health and Diseases Department, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
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38
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Jia Y, Schmid C, Shuliakevich A, Hammers-Wirtz M, Gottschlich A, der Beek TA, Yin D, Qin B, Zou H, Dopp E, Hollert H. Toxicological and ecotoxicological evaluation of the water quality in a large and eutrophic freshwater lake of China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 667:809-820. [PMID: 30851614 DOI: 10.1016/j.scitotenv.2019.02.435] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/27/2019] [Accepted: 02/27/2019] [Indexed: 06/09/2023]
Abstract
Effect-based methods (EBMs) are recommended as holistic approach for diagnosis and monitoring of water quality; however, the application of EBMs is still scare in China. In the present study, water quality of the freshwater lake Taihu (China) was investigated by EBMs. Different types of water samples were collected from three bays of the lake during 2015, 2016 and 2017. A battery of seven effect-based bioassays, including both specific and non-specific toxicity assays, was used. The bioassay battery was recently suggested based on joint activities of the EU project SOLUTIONS and the NORMAN network on emerging pollutants and is also under discussion for being implemented into monitoring activities in the context of the European Water Framework Directive (WFD). Adverse effects were observed towards the primary producer, primary consumer and fish, indicating the potential ecotoxicity of water in Taihu Lake. Mutagenic and estrogenic effects were found in the Ames fluctuation assay and ERα CALUX (Chemically Activated Luciferase Gene-eXpression) assay, respectively, highlighting the potential risks on human health. Algal growth inhibition and mutagenic effects can be observed during each of the three years. Acute toxicity towards Daphnia magna and estrogen receptor agonistic effects were found in at least one of the samples collected in 2016 and 2017, but not in 2015. The endpoints for fish toxicity in the Danio rerio fish embryo test included both lethal and additionally several sublethal effects (only for samples from 2017) and were not compared between years. Algal growth inhibition, fish embryo toxicity, mutagenic effect and estrogenicity were observed in each of the three bays, while Daphnia acute toxicity was only found in Zhushan Bay. Taking together, this study provides a big picture on the water quality of Taihu Lake. The battery of effect-based tools is promising to be a routine for water quality monitoring in China.
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Affiliation(s)
- Yunlu Jia
- RWTH Aachen University, ABBt- Aachen Biology and Biotechnology, Institute for Environmental Research, Department of Ecosystem Analysis, Aachen, Germany.
| | - Cora Schmid
- IWW Water Centre, Mülheim a.d. Ruhr, Germany; University Duisburg-Essen, Zentrum für Wasser- und Umweltforschung (ZWU), Germany
| | - Aliaksandra Shuliakevich
- RWTH Aachen University, ABBt- Aachen Biology and Biotechnology, Institute for Environmental Research, Department of Ecosystem Analysis, Aachen, Germany
| | - Monika Hammers-Wirtz
- Research Institute for Ecosystem Analysis and Assessment - gaiac, Aachen, Germany
| | | | | | - Daqiang Yin
- Tongji University, College of Environmental Science and Engineering and State Key Laboratory of Pollution Control and Resource Reuse, Shanghai, China
| | - Boqiang Qin
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, Jiangsu 210008, China
| | - Hua Zou
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Elke Dopp
- IWW Water Centre, Mülheim a.d. Ruhr, Germany; University Duisburg-Essen, Zentrum für Wasser- und Umweltforschung (ZWU), Germany
| | - Henner Hollert
- RWTH Aachen University, ABBt- Aachen Biology and Biotechnology, Institute for Environmental Research, Department of Ecosystem Analysis, Aachen, Germany; Research Institute for Ecosystem Analysis and Assessment - gaiac, Aachen, Germany; Tongji University, College of Environmental Science and Engineering and State Key Laboratory of Pollution Control and Resource Reuse, Shanghai, China; Nanjing University, State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing, China.
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39
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Borase HP, Muley AB, Patil SV, Singhal RS. Nano-eco toxicity study of gold nanoparticles on aquatic organism Moina macrocopa: As new versatile ecotoxicity testing model. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2019; 68:4-12. [PMID: 30849701 DOI: 10.1016/j.etap.2019.02.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 02/12/2019] [Accepted: 02/21/2019] [Indexed: 06/09/2023]
Abstract
In the field of nanoecotoxicology, very few reports have focused on biochemical changes in non-target organisms after nanoexposure. A less explored aquatic non-target crustacean, Moina macrocopa, was used in the present study to analyze toxicity effects of gold nanoparticles (AuNPs), an emerging nanomaterial. AuNPs was fabricated using tannic acid and were 29 ± 2 nm in size. The 48 h LC50 value of AuNPs was 14 ± 0.14 mg/L against M. macrocopa. The sub-lethal exposure of M. macrocopa juveniles to AuNPs (1.47 and 2.95 mg/L) decreased the activities of acetyl cholinesterase and digestive enzymes (trypsin and amylase). A concentration dependant increase in the activities of antioxidant enzymes such as catalase, superoxide dismutase and glutathione S-transferase suggested the generation of oxidative stress in M. macrocopa after AuNPs exposure. Changes in enzyme activity can be utilized as biomarker(s) for early detection of nanoparticle contamination in aquatic habitat. AuNPs accumulation in gut of M. macrocopa increased the metal bio burden (11 mg/L) and exhibited inhibitory action on digestive enzymes. Complete depuration of AuNPs was not observed after transferring nano-exposed M. macrocopa to normal medium without AuNPs. AuNPs tended to adhere on external body parts such as setae, carapace of M. macrocopa which interfered with swimming activity and also changed the behavioral pattern. AuNPs underwent agglomeration in the medium used for maintenance of M. macrocopa. As nanomaterials are emerging pollutants in aquatic systems, the present work highlights the hazardous effect of AuNPs and development of enzymatic biomarkers to curtail it at community level.
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Affiliation(s)
- Hemant P Borase
- Food Engineering and Technology Department, Institute of Chemical Technology, Mumbai, 400019, Maharashtra, India.
| | - Abhijeet B Muley
- Food Engineering and Technology Department, Institute of Chemical Technology, Mumbai, 400019, Maharashtra, India
| | - Satish V Patil
- School of Life Sciences, North Maharashtra University, Jalgaon, 425001, Maharashtra, India
| | - Rekha S Singhal
- Food Engineering and Technology Department, Institute of Chemical Technology, Mumbai, 400019, Maharashtra, India
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40
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Queirós L, Pereira JL, Gonçalves FJ, Pacheco M, Aschner M, Pereira P. Caenorhabditis elegans as a tool for environmental risk assessment: emerging and promising applications for a "nobelized worm". Crit Rev Toxicol 2019; 49:411-429. [PMID: 31268799 PMCID: PMC6823147 DOI: 10.1080/10408444.2019.1626801] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/25/2019] [Accepted: 05/30/2019] [Indexed: 02/08/2023]
Abstract
Caenorhabditis elegans has been an invaluable model organism in research fields such as developmental biology and neurobiology. Neurotoxicity is one of the subfields greatly profiting from the C. elegans model within biomedical context, while the corresponding potential of the organism applied to environmental studies is relevant but has been largely underexplored. Within the biomedical scope, the implication of metals and organic chemicals with pesticide activity (hereinafter designated as pesticides) in the etiology of several neurodegenerative diseases has been extensively investigated using this nematode as a primary model organism. Additionally, as a well-known experimental model bearing high sensitivity to different contaminants and representing important functional levels in soil and aquatic ecosystems, C. elegans has high potential to be extensively integrated within Environmental Risk Assessment (ERA) routines. In spite of the recognition of some regulatory agencies, this actual step has yet to be made. The purpose of this review is to discuss the major advantages supporting the inclusion of C. elegans in lower tiers of ERA. Special emphasis was given to its sensitivity to metals and pesticides, which is similar to that of other model organisms commonly used in ERA (e.g. Daphnia magna and Eisenia sp.), and to the large array of endpoints that can be tested with the species, both concerning the aquatic and the soil compartments. The inclusion of C. elegans testing may hence represent a relevant advance in ERA, providing ecologically relevant insights toward improvement of the regulatory capacity for establishing appropriate environmental protection benchmarks.
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Affiliation(s)
- L. Queirós
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal
| | - J. L. Pereira
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal
| | - F. J.M. Gonçalves
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal
| | - M. Pacheco
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal
| | - M. Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - P. Pereira
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal
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41
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Butcherine P, Benkendorff K, Kelaher B, Barkla BJ. The risk of neonicotinoid exposure to shrimp aquaculture. CHEMOSPHERE 2019; 217:329-348. [PMID: 30419387 DOI: 10.1016/j.chemosphere.2018.10.197] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 10/26/2018] [Accepted: 10/29/2018] [Indexed: 06/09/2023]
Abstract
Widespread agricultural use of systemic neonicotinoid insecticides has resulted in the unintended contamination of aquatic environments. Water quality surveys regularly detect neonicotinoids in rivers and waterways at concentrations that could impact aquaculture stock. The toxicity of neonicotinoids to non-target aquatic insect and crustacean species has been recognised, however, there is a paucity of information on their effect on commercial shrimp aquaculture. Here, we show that commercially produced shrimp are likely to be exposed to dietary, sediment and waterborne sources of neonicotinoids; increasing the risks of disease and accidental human consumption. This review examines indicators of sublethal neonicotinoid exposure in non-target species and analyses their potential usefulness for ecotoxicology assessment in shrimp. The identification of rapid, reliable responses to neonicotinoid exposure in shrimp will result in better decision making in aquaculture management.
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Affiliation(s)
- Peter Butcherine
- Marine Ecology Research Centre, Southern Cross University, PO Box 157, Lismore, NSW 2480, Australia.
| | - Kirsten Benkendorff
- Marine Ecology Research Centre, Southern Cross University, PO Box 157, Lismore, NSW 2480, Australia.
| | - Brendan Kelaher
- National Marine Science Centre, Southern Cross University, Coffs Harbour, NSW 2450, Australia.
| | - Bronwyn J Barkla
- Southern Cross Plant Science, Southern Cross University, PO Box 157, Lismore, NSW 2480, Australia.
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42
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Dongxing Z, Yucui N, Congmin J, Liyan L, Xiaoli P, Xu C. Correlation of the oxidative stress indices and Cd exposure using a mathematical model in the earthworm, Eisenia fetida. CHEMOSPHERE 2019; 216:157-167. [PMID: 30366269 DOI: 10.1016/j.chemosphere.2018.10.117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 10/01/2018] [Accepted: 10/16/2018] [Indexed: 06/08/2023]
Abstract
With the increase in heavy metal pollution, it is of great significance to evaluate the ecological security and early warning of cadmium (Cd) contaminated soil. In this paper, a mathematical model was established for the first time by combining the advantages of the factor analysis method and the analytic hierarchy process, and was used to screen and analyze the ecological indices of oxidative stress in earthworms under Cd exposure. The experiment lasted for 40 days, removing one earthworm every 10 days. The Cd2+ concentration gradient was set at 0, 1, 10, 20, 100, 200, 400 and 800 mg kg-1. The ecological indices measured were total protein (TP), peroxidase (POD), superoxide dismutase (SOD), glutathione peroxidase (GPX), glutathione-S-transferase (GST), catalase (CAT), acetylcholinesterase (AChE) and malondialdehyde (MDA) levels. The results showed that when the earthworm was exposed to Cd2+ for 10 days and 30 days, in the head tissues, the key indices to focus on for monitoring were both POD. At 20 days and 40 days, the key indices were both TP. For the tail tissue tests, under Cd exposure for 10 days, the key indicator focused on for monitoring was MDA. After 20 days of exposure, the key monitoring indicator was AChE. At 30 days, it was CAT, and at 40 days, it was TP. This study provides a theoretical basis for the prompt, inexpensive, accurate and scientific early warning of metal contaminated soils and establishes a foundation for application of the screening model for other ecological indicators.
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Affiliation(s)
- Zhou Dongxing
- College of Resources and Environmental Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Ning Yucui
- College of Resources and Environmental Science, Northeast Agricultural University, Harbin, 150030, China
| | - Jin Congmin
- College of Resources and Environmental Science, Northeast Agricultural University, Harbin, 150030, China
| | - Liu Liyan
- Publicity and United Front Work Department, Northeast Agricultural University, Harbin, 150030, China.
| | - Pan Xiaoli
- College of Resources and Environmental Science, Northeast Agricultural University, Harbin, 150030, China; College of Physics Science and Engineering, Yulin Normal University, Yulin, 537000, China
| | - Cao Xu
- Institute of Microbiology, Heilongjiang Academy of Sciences, Harbin, 150030, China
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Crisan L, Borota A, Suzuki T, Funar-Timofei S. An Approach to Identify New Insecticides Against Myzus Persicae. In silico Study Based on Linear and Non-linear Regression Techniques. Mol Inform 2019; 38:e1800119. [PMID: 30632677 DOI: 10.1002/minf.201800119] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 12/04/2018] [Indexed: 11/11/2022]
Abstract
Neonicotinoids are known to have high insecticidal potency, low mammalian toxicity and relatively tough activity for the development of resistance against aphids. A series of guadipyr insecticides, active against Myzus persicae was engaged in silico studies, based on Multiple Linear Regression (MLR), Partial Least Squares regression (PLS), Artificial Neural Networks (ANN), Support Vector Machine (SVM) and Pharmacophore modeling. Robust and predictive models were built using correlations between the insecticidal profile, expressed by experimental pLC50 values, and molecular descriptors, calculated from the energy optimized structures. Four new potential insecticides active against Myzus persicae and their predicted pLC50 toxicity values were reported for the first time. The models presented here can be used as an approach in the screening and prioritization of chemicals in a scientific and regulatory frame and for toxicity prediction.
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Affiliation(s)
- Luminita Crisan
- Computational Chemistry Department, Institute of Chemistry Timisoara of the Romanian Academy, B-dul Mihai Viteazu 24, RO-300223, Timisoara, Romania
| | - Ana Borota
- Computational Chemistry Department, Institute of Chemistry Timisoara of the Romanian Academy, B-dul Mihai Viteazu 24, RO-300223, Timisoara, Romania
| | - Takahiro Suzuki
- Natural Science Laboratory, Toyo University, 5-28-20 Hakusan, Bunkyo-ku, Tokyo, 112-8606, Japan
| | - Simona Funar-Timofei
- Computational Chemistry Department, Institute of Chemistry Timisoara of the Romanian Academy, B-dul Mihai Viteazu 24, RO-300223, Timisoara, Romania
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Njattuvetty Chandran N, Fojtova D, Blahova L, Rozmankova E, Blaha L. Acute and (sub)chronic toxicity of the neonicotinoid imidacloprid on Chironomus riparius. CHEMOSPHERE 2018; 209:568-577. [PMID: 29957517 DOI: 10.1016/j.chemosphere.2018.06.102] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 06/13/2018] [Accepted: 06/14/2018] [Indexed: 06/08/2023]
Abstract
Impacts of neonicotinoids on non-target insects, including aquatic species, may significantly influence ecosystem structure and functioning. The present study investigated the sensitivity of Chironomus riparius to imidacloprid exposures during 24-h, 10- and 28-days by assessing larval survival, growth, emergence and oxidative stress-related parameters. C. riparius exhibited high sensitivity compared to other model aquatic species with acute 24-h LC50 being 31.5 μg/L and 10-days LOEC (growth) 0.625 μg/L. A 28-days partial life cycle test demonstrated imidacloprid effects on the emergence of C. riparius. Exposure to sublethal concentrations during 10-days caused an imbalance in the reduced and oxidized glutathione (GSH and GSSG), and slightly induced lipid peroxidation (increased malondialdehyde, MDA). Our results indicate that oxidative stress may be a relevant mechanism in the neonicotinoid toxicity, reflected in the insect development and life cycle parameters.
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Affiliation(s)
| | - Dana Fojtova
- Masaryk University, Faculty of Science, RECETOX, Kamenice 5, 625 00, Brno, Czech Republic
| | - Lucie Blahova
- Masaryk University, Faculty of Science, RECETOX, Kamenice 5, 625 00, Brno, Czech Republic
| | - Eliska Rozmankova
- Masaryk University, Faculty of Science, RECETOX, Kamenice 5, 625 00, Brno, Czech Republic
| | - Ludek Blaha
- Masaryk University, Faculty of Science, RECETOX, Kamenice 5, 625 00, Brno, Czech Republic.
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