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Pat Y, Ogulur I, Yazici D, Mitamura Y, Cevhertas L, Küçükkase OC, Mesisser SS, Akdis M, Nadeau K, Akdis CA. Effect of altered human exposome on the skin and mucosal epithelial barrier integrity. Tissue Barriers 2023; 11:2133877. [PMID: 36262078 PMCID: PMC10606824 DOI: 10.1080/21688370.2022.2133877] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/23/2022] [Accepted: 08/27/2022] [Indexed: 10/24/2022] Open
Abstract
Pollution in the world and exposure of humans and nature to toxic substances is continuously worsening at a rapid pace. In the last 60 years, human and domestic animal health has been challenged by continuous exposure to toxic substances and pollutants because of uncontrolled growth, modernization, and industrialization. More than 350,000 new chemicals have been introduced to our lives, mostly without any reasonable control of their health effects and toxicity. A plethora of studies show exposure to these harmful substances during this period with their implications on the skin and mucosal epithelial barrier and increasing prevalence of allergic and autoimmune diseases in the context of the "epithelial barrier hypothesis". Exposure to these substances causes an epithelial injury with peri-epithelial inflammation, microbial dysbiosis and bacterial translocation to sub-epithelial areas, and immune response to dysbiotic bacteria. Here, we provide scientific evidence on the altered human exposome and its impact on epithelial barriers.
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Affiliation(s)
- Yagiz Pat
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Department of Medical Microbiology, Faculty of Medicine, Aydin Menderes University, Turkey
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Duygu Yazici
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Lacin Cevhertas
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Department of Medical Immunology, Institute of Health Sciences, Bursa Uludag University, Turkey
| | - Ozan C Küçükkase
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Sanne S Mesisser
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Kari Nadeau
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University and Division of Pulmonary, Allergy, and Critical Care Medicine, Stanford University, Stanford, CA, USA
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Christine Kühne-Center for Allergy Research and Education, Davos, Switzerland
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102
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Pinto M, Sousa B, Martins M, Pereira C, Soares C, Fidalgo F. Unveiling the efficacy of pre-emergent application of young Eucalyptus globulus leaves as a weed control strategy: Bridging macroscopic effects and cellular responses. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 203:108010. [PMID: 37714024 DOI: 10.1016/j.plaphy.2023.108010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/17/2023] [Accepted: 09/05/2023] [Indexed: 09/17/2023]
Abstract
Allelopathy, the inhibition of neighbouring plant growth by certain plants, can be particularly useful if applied in a targeted way for weed management. So, this study aimed to assess and characterize the herbicidal activity of fresh and dried leaves from young Eucalyptus globulus Labill. trees applied as a soil amendment. For this, fresh and dried leaves (FL and DL, respectively) were incorporated into the soil at different concentrations (0, 1, 5, and 10% w/w), where Portulaca oleracea L. seeds were sown. After 5 weeks of exposure, results revealed that the soil incorporation of DL at 10% (w/w) presented the strongest herbicidal properties, inhibiting seed germination by 63% and inducing the loss of cell viability. To unravel the possible mode of action and the main targets at both cellular and subcellular levels, an in vitro experiment was performed. Purslane seeds were sown in a nutritive medium containing different dilutions of an aqueous extract prepared with dried eucalyptus leaves. After 5 days of exposure, germinated seedlings were processed for transmission electron microscopy and histological analyses as well as for reactive oxygen species (ROS) in vivo detection by confocal laser scanning microscopy. Results revealed that the allelochemical release from DL induced ROS overproduction, resulting in the loss of cell integrity and organization, which was characterized by damage to several cellular sub-structures, along with enhanced accumulation of lipid droplets. Overall, the incorporation of DL into the soil can represent a sustainable alternative to reduce synthetic herbicide application and subsequent environmental contamination.
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Affiliation(s)
- Mafalda Pinto
- GreenUPorto - Sustainable Agrifood Production Research Centre/INOV4AGRO, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal; CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661, Vairão, Portugal; Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal; BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661, Vairão, Portugal.
| | - Bruno Sousa
- GreenUPorto - Sustainable Agrifood Production Research Centre/INOV4AGRO, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal
| | - Maria Martins
- GreenUPorto - Sustainable Agrifood Production Research Centre/INOV4AGRO, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal
| | - Cláudia Pereira
- GreenUPorto - Sustainable Agrifood Production Research Centre/INOV4AGRO, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal
| | - Cristiano Soares
- GreenUPorto - Sustainable Agrifood Production Research Centre/INOV4AGRO, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal
| | - Fernanda Fidalgo
- GreenUPorto - Sustainable Agrifood Production Research Centre/INOV4AGRO, Biology Department, Faculty of Sciences of University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal.
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103
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Leri M, Vasarri M, Barletta E, Schiavone N, Bergonzi MC, Bucciantini M, Degl’Innocenti D. The Protective Role of Oleuropein Aglycone against Pesticide-Induced Toxicity in a Human Keratinocytes Cell Model. Int J Mol Sci 2023; 24:14553. [PMID: 37834001 PMCID: PMC10572371 DOI: 10.3390/ijms241914553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/14/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
The extensive use of agricultural pesticides to improve crop quality and yield significantly increased the risk to the public of exposure to small but repeated doses of pesticides over time through various routes, including skin, by increasing the risk of disease outbreaks. Although much work was conducted to reduce the use of pesticides in agriculture, little attention was paid to prevention, which could reduce the toxicity of pesticide exposure by reducing its impact on human health. Extra virgin olive oil (EVOO), a major component of the Mediterranean diet, exerts numerous health-promoting properties, many of which are attributed to oleuropein aglycone (OleA), the deglycosylated form of oleuropein, which is the main polyphenolic component of EVOO. In this work, three pesticides with different physicochemical and biological properties, namely oxadiazon (OXA), imidacloprid (IMID), and glyphosate (GLYPHO), were compared in terms of metabolic activity, mitochondrial function and epigenetic modulation in an in vitro cellular model of human HaCaT keratinocytes to mimic the pathway of dermal exposure. The potential protective effect of OleA against pesticide-induced cellular toxicity was then evaluated in a cell pre-treatment condition. This study showed that sub-lethal doses of OXA and IMID reduced the metabolic activity and mitochondrial functionality of HaCaT cells by inducing oxidative stress and altering intracellular calcium flux and caused epigenetic modification by reducing histone acetylation H3 and H4. GLYPHO, on the other hand, showed no evidence of cellular toxicity at the doses tested. Pretreatment of cells with OleA was able to protect cells from the damaging effects of the pesticides OXA and IMID by maintaining metabolic activity and mitochondrial function at a controlled level and preventing acetylation reduction, particularly of histone H3. In conclusion, the bioactive properties of OleA reported here could be of great pharmaceutical and health interest, as they could be further studied to design new formulations for the prevention of toxicity from exposure to pesticide use.
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Affiliation(s)
- Manuela Leri
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.V.); (E.B.); (N.S.); (M.B.)
| | - Marzia Vasarri
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.V.); (E.B.); (N.S.); (M.B.)
- Department of Chemistry, University of Florence, Via U. Schiff 6, 50519 Sesto Fiorentino, Italy;
| | - Emanuela Barletta
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.V.); (E.B.); (N.S.); (M.B.)
| | - Nicola Schiavone
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.V.); (E.B.); (N.S.); (M.B.)
| | - Maria Camilla Bergonzi
- Department of Chemistry, University of Florence, Via U. Schiff 6, 50519 Sesto Fiorentino, Italy;
| | - Monica Bucciantini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.V.); (E.B.); (N.S.); (M.B.)
| | - Donatella Degl’Innocenti
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy; (M.L.); (M.V.); (E.B.); (N.S.); (M.B.)
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104
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Prechsl UE, Mejia-Aguilar A, Cullinan CB. In vivo spectroscopy and machine learning for the early detection and classification of different stresses in apple trees. Sci Rep 2023; 13:15857. [PMID: 37739998 PMCID: PMC10517117 DOI: 10.1038/s41598-023-42428-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 09/10/2023] [Indexed: 09/24/2023] Open
Abstract
The use of in vivo spectroscopy to detect plant stress in its early stages has the potential to enhance food safety and reduce the need for plant protection products. However, differentiating between various stress types before symptoms appear remains poorly studied. In this study, we investigated the potential of Vis-NIR spectroscopy to differentiate between stress types in apple trees (Malus x domestica Borkh.) exposed to apple scab, waterlogging, and herbicides in a greenhouse. Using a spectroradiometer, we collected spectral signatures of leaves still attached to the tree and utilized machine learning techniques to develop predictive models for detecting stress presence and classifying stress type as early as 1-5 days after exposure. Our findings suggest that changes in spectral reflectance at multiple regions accurately differentiate various types of plant stress on apple trees. Our models were highly accurate (accuracies between 0.94 and 1) when detecting the general presence of stress at an early stage. The wavelengths important for classification relate to photosynthesis via pigment functioning (684 nm) and leaf water (~ 1800-1900 nm), which may be associated with altered gas exchange as a short-term stress response. Overall, our study demonstrates the potential of spectral technology and machine learning for early diagnosis of plant stress, which could lead to reduced environmental burden through optimizing resource utilization in agriculture.
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Affiliation(s)
- Ulrich E Prechsl
- Laimburg Research Centre, Laimburg 6, 39040, Auer, South Tyrol, Italy.
| | | | - Cameron B Cullinan
- Laimburg Research Centre, Laimburg 6, 39040, Auer, South Tyrol, Italy
- Faculty of Agricultural, Environmental and Food Sciences, Free University of Bolzano, Piazza Università 1, 39100, Bolzano, South Tyrol, Italy
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105
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Jia Y, Kang L, Wu Y, Zhou C, Li D, Li J, Pan C. Review on Pesticide Abiotic Stress over Crop Health and Intervention by Various Biostimulants. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:13595-13611. [PMID: 37669447 DOI: 10.1021/acs.jafc.3c04013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
Plants are essential for life on earth, and agricultural crops are a primary food source for humans. For the One Health future, crop health is crucial for safe, high-quality agricultural products and the development of future green commodities. However, the overuse of pesticides in modern agriculture raises concerns about their adverse effects on crop resistance and product quality. Recently, biostimulants, including microecological bacteria agents and nanoparticles, have garnered worldwide interest for their ability to sustain plant health and enhance crop resistance. This review analyzed the effects and mechanisms of pesticide stress on crop health. It also investigated the regulation of biostimulants on crop health and the multiomics mechanism, combining research on nanoselenium activating various crop health aspects conducted by the authors' research group. The paper helps readers understand the impact of pesticides on crop health and the positive influence of various biostimulants, especially nanomaterials and small molecules, on crop health.
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Affiliation(s)
- Yujiao Jia
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P. R. China
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, P. R. China
| | - Lu Kang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P. R. China
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, P. R. China
- Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, P. R. China
| | - Yangliu Wu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P. R. China
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, P. R. China
| | - Chunran Zhou
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P. R. China
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, P. R. China
| | - Dong Li
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, Hainan 570228, P. R. China
| | - Jiaqi Li
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P. R. China
| | - Canping Pan
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, P. R. China
- Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, P. R. China
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106
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Lari S, Vanka J, Jee B, Pandiyan A, Yamagani P, Kumar SB, Naidu M, Jonnalagadda P. Mitigation of pesticide residue levels in the exposed dermal regions of occupationally exposed farmworkers by use of personal protective equipment. Front Public Health 2023; 11:1232149. [PMID: 37719736 PMCID: PMC10502222 DOI: 10.3389/fpubh.2023.1232149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/09/2023] [Indexed: 09/19/2023] Open
Abstract
Unsafe pesticide handling practices with the limited use of personal protective equipment (PPE) by the Indian farming groups lead to an increased risk of exposure to pesticides. Therefore, a community-based follow-up study based on dosimeters, wipes, and hand-wash technique was carried out to evaluate the dermal exposure to pesticides and to analyze the impact of the usage of PPE on minimizing the exposure among the farmworkers of Rangareddy district, Telangana, India. Risk in terms of hazard quotient (HQ), hazard index (HI), and safety analysis as margins of safety was assessed. Farmworkers averaged 18 years of farming experience and showed resistance to adopting good agricultural practices. Ten pesticide residues were detected in concentrations ranging from 0.000 to 246 mg ml-1 in hand-wash, 0.000 to 198.33 ng cm-2 in patch dosimeter, and 0.000 to 1,740 ng cm-2 in wipe samples collected from farmworkers not using PPE. The second phase includes the intervention study results that revealed a significant reduction both in the concentrations and the number of pesticide residues detected in the hand-wash, patch, and wipe samples of the farmworkers who have used the PPE provided to them (p < 0.01). Furthermore, the probabilistic health risk assessment in terms of the HQ values ranged from 0.02 to 1029.82, and HI was >1, suggesting the non-carcinogenic risks associated with dermal exposure to pesticides among them. Additionally, the safety risk assessment in terms of the margin of safety suggests that they follow risky handling practices. The study confirms that farmworkers are exposed to pesticides and emphasizes the significance of using PPE in reducing the risk.
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Affiliation(s)
- Summaiya Lari
- ICMR-National Institute of Nutrition, Tarnaka, Osmania University, Hyderabad, India
- Department of Biochemistry, Acharya Nagarjuna University, Guntur, India
| | - Janardhan Vanka
- ICMR-National Institute of Nutrition, Tarnaka, Osmania University, Hyderabad, India
| | - Babban Jee
- Department of Health Research, Ministry of Health and Family Welfare, Government of India, New Delhi, India
| | - Arun Pandiyan
- ICMR-National Institute of Nutrition, Tarnaka, Osmania University, Hyderabad, India
| | - Praveen Yamagani
- ICMR-National Institute of Nutrition, Tarnaka, Osmania University, Hyderabad, India
| | | | - Mohan Naidu
- ICMR-National Institute of Nutrition, Tarnaka, Osmania University, Hyderabad, India
| | - Padmaja Jonnalagadda
- ICMR-National Institute of Nutrition, Tarnaka, Osmania University, Hyderabad, India
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107
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Eisenmann B, Wingerter C, Dressler M, Freund C, Kortekamp A, Bogs J. Fungicide-Saving Potential and Economic Advantages of Fungus-Resistant Grapevine Cultivars. PLANTS (BASEL, SWITZERLAND) 2023; 12:3120. [PMID: 37687364 PMCID: PMC10489737 DOI: 10.3390/plants12173120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/01/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023]
Abstract
The high susceptibility of European grapevine cultivars to downy mildew (DM) and powdery mildew (PM) causes the intensive use of fungicides. Fungus-resistant cultivars (FRCs) with different resistance (R) loci have been bred and could play an important role in reducing plant protection treatments (PPTs). However, little information is available about the extent to which PPTs can be reduced in the field through the use of FRCs and the associated economic advantages. In this study, different strategies with reduced PPTs on FRCs were tested in field experiments. The results demonstrated that the number of PPTs can be reduced by 60 to 90%, resulting in reductions in applied copper and sulfur by 52 to 79% through the use of FRCs compared with susceptible cultivars, without affecting grape or plant health. The saving potential varied among years, depending on the type of R loci and climatic conditions. Furthermore, this study highlights that completely omitting PPTs in the cultivation of FRCs can result in PM or DM infections and possible loss of yield and fruit quality. In addition to the field experiments, a two-year observation of the performance of FRCs in commercial vineyards was undertaken, which highlighted not only the significant reduction in PPTs but also the financial savings that can be achieved through the use of FRCs.
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Affiliation(s)
- Birgit Eisenmann
- Horticulture and Rural Development, State Education and Research Center of Viticulture, 67435 Neustadt, Germany; (B.E.); (C.W.); (A.K.)
| | - Chantal Wingerter
- Horticulture and Rural Development, State Education and Research Center of Viticulture, 67435 Neustadt, Germany; (B.E.); (C.W.); (A.K.)
| | - Marc Dressler
- Department of Marketing and Entrepreneurship, Ludwigshafen University of Business and Society, 67059 Ludwigshafen, Germany;
| | - Christine Freund
- Horticulture and Rural Development, State Education and Research Center of Viticulture, 67435 Neustadt, Germany; (B.E.); (C.W.); (A.K.)
| | - Andreas Kortekamp
- Horticulture and Rural Development, State Education and Research Center of Viticulture, 67435 Neustadt, Germany; (B.E.); (C.W.); (A.K.)
| | - Jochen Bogs
- Horticulture and Rural Development, State Education and Research Center of Viticulture, 67435 Neustadt, Germany; (B.E.); (C.W.); (A.K.)
- Department of Life Sciences and Engineering, Bingen Technical University of Applied Sciences, 55411 Bingen, Germany
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108
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Ayed A, Polito F, Mighri H, Souihi M, Caputo L, Hamrouni L, Amri I, Nazzaro F, De Feo V, Hirsch AM, Mabrouk Y. Chemical Composition of Essential Oils from Eight Tunisian Eucalyptus Species and Their Antifungal and Herbicidal Activities. PLANTS (BASEL, SWITZERLAND) 2023; 12:3068. [PMID: 37687315 PMCID: PMC10490176 DOI: 10.3390/plants12173068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/04/2023] [Accepted: 08/09/2023] [Indexed: 09/10/2023]
Abstract
Eucalyptus species are known to produce metabolites such as essential oils (EOs) that play an important role in the control of weeds, pests and phytopathogenic fungi. The aims of this study were as follows: (i) to determine the chemical composition of the EOs derived from eight Eucalyptus species growing in Tunisia, and (ii) to study their possible antifungal and herbicidal activities. EOs were obtained by hydrodistillation from the dried leaves of eight Eucalyptus species, namely, E. angulosa, E. cladocalyx, E. diversicolor, E. microcoryx, E. ovata, E. resinifera, E. saligna and E. sargentii, and the determination of their composition was achieved by GC and GC-MS. The EOs' antifungal activities were tested against four Fusarium strains, and the EOs' herbicidal properties were evaluated on the germination and seedling growth of three annual weeds (Trifolium campestre, Lolium rigidum and Sinapis arvensis) and three cultivated crop species (Lepidium sativum, Raphanus sativus and Triticum durum). The EO yields ranged between 0.12 and 1.32%. The most abundant components found were eucalyptol, α-pinene, p-cymene, trans-pinocarveol, α-terpineol and globulol. All EOs showed significant antifungal activity against the four phytopathogenic Fusarium strains. E. cladocalyx EO exhibited the highest level of antifungal activity, and the greatest inhibition of seed germination was obtained even at lowest concentrations used. These findings suggested that E. resinifera, E. ovata and E. cladocalyx EOs could have applications in agriculture as possible biopesticides, as Fusarium antagonists and as bioherbicides.
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Affiliation(s)
- Amira Ayed
- Laboratory of Biotechnology and Nuclear Technology, National Center for Nuclear Sciences and Technologies (CNSTN), Sidi Thabet Technopark, Sidi Thabet 2020, Tunisia; (A.A.); (M.S.)
- Higher Institute of Biotechnology of Sidi Thabet (ISBST), University of Manouba, Sidi Thabet 2020, Tunisia
| | - Flavio Polito
- Department of Pharmacy, University of Salerno, Via San Giovanni Paolo II, 132, 84084 Fisciano, Italy; (F.P.); (L.C.); (V.D.F.)
| | - Hedi Mighri
- Range Ecology Laboratory, Arid Region Institute, University of Gabes, El-Jorf Road Km 22.5, Medenine 4119, Tunisia;
| | - Mouna Souihi
- Laboratory of Biotechnology and Nuclear Technology, National Center for Nuclear Sciences and Technologies (CNSTN), Sidi Thabet Technopark, Sidi Thabet 2020, Tunisia; (A.A.); (M.S.)
| | - Lucia Caputo
- Department of Pharmacy, University of Salerno, Via San Giovanni Paolo II, 132, 84084 Fisciano, Italy; (F.P.); (L.C.); (V.D.F.)
| | - Lamia Hamrouni
- Laboratory of Management and Valorization of Forest Resources, National Institute of Researches on Rural Engineering, Water and Forests, P.B. 10, Ariana 2080, Tunisia;
| | - Ismail Amri
- Laboratory of Biotechnology and Nuclear Technology, National Center for Nuclear Sciences and Technologies (CNSTN), Sidi Thabet Technopark, Sidi Thabet 2020, Tunisia; (A.A.); (M.S.)
- Laboratory of Management and Valorization of Forest Resources, National Institute of Researches on Rural Engineering, Water and Forests, P.B. 10, Ariana 2080, Tunisia;
| | - Filomena Nazzaro
- Institute of Food Science, National Research Council of Italy, Via Roma, 64, 83100 Avellino, Italy;
| | - Vincenzo De Feo
- Department of Pharmacy, University of Salerno, Via San Giovanni Paolo II, 132, 84084 Fisciano, Italy; (F.P.); (L.C.); (V.D.F.)
- Institute of Food Science, National Research Council of Italy, Via Roma, 64, 83100 Avellino, Italy;
| | - Ann M. Hirsch
- Department of Molecular, Cell, and Developmental Biology, Molecular Biology Institute, University of California, Los Angeles, CA 90095, USA;
| | - Yassine Mabrouk
- Laboratory of Biotechnology and Nuclear Technology, National Center for Nuclear Sciences and Technologies (CNSTN), Sidi Thabet Technopark, Sidi Thabet 2020, Tunisia; (A.A.); (M.S.)
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109
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Fragkouli R, Antonopoulou M, Asimakis E, Spyrou A, Kosma C, Zotos A, Tsiamis G, Patakas A, Triantafyllidis V. Mediterranean Plants as Potential Source of Biopesticides: An Overview of Current Research and Future Trends. Metabolites 2023; 13:967. [PMID: 37755247 PMCID: PMC10535963 DOI: 10.3390/metabo13090967] [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: 08/02/2023] [Revised: 08/12/2023] [Accepted: 08/16/2023] [Indexed: 09/28/2023] Open
Abstract
The development and implementation of safe natural alternatives to synthetic pesticides are urgent needs that will provide ecological solutions for the control of plant diseases, bacteria, viruses, nematodes, pests, and weeds to ensure the economic stability of farmers and food security, as well as protection of the environment and human health. Unambiguously, production of botanical pesticides will allow for the sustainable and efficient use of natural resources and finally decrease the use of chemical inputs and burden. This is further underlined by the strict regulations on pesticide residues in agricultural products and is in harmony with the Farm to Fork strategy, which aims to reduce pesticide use by 50% by 2030. Thus, the present work aims to compile the scientific knowledge of the last 5 years (2017-February 2023) regarding the Mediterranean plants that present biopesticidal effects. The literature review revealed 40 families of Mediterranean plants with at least one species that have been investigated as potential biopesticides. However, only six families had the highest number of species, and they were reviewed comprehensively in this study. Following a systematic approach, the extraction methods, chemical composition, biopesticidal activity, and commonly used assays for evaluating the antimicrobial, pesticidal, repellant, and herbicidal activity of plant extracts, as well as the toxicological and safety aspects of biopesticide formulation, are discussed in detail. Finally, the aspects that have not yet been investigated or are under-investigated and future perspectives are highlighted.
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Affiliation(s)
- Regina Fragkouli
- Department of Food Science & Technology, University of Patras, Seferi 2, 30100 Agrinio, Greece; (R.F.); (C.K.); (A.P.)
| | - Maria Antonopoulou
- Department of Sustainable Agriculture, University of Patras, Seferi 2, 30100 Agrinio, Greece; (M.A.); (E.A.); (A.S.); (A.Z.); (G.T.)
| | - Elias Asimakis
- Department of Sustainable Agriculture, University of Patras, Seferi 2, 30100 Agrinio, Greece; (M.A.); (E.A.); (A.S.); (A.Z.); (G.T.)
| | - Alexandra Spyrou
- Department of Sustainable Agriculture, University of Patras, Seferi 2, 30100 Agrinio, Greece; (M.A.); (E.A.); (A.S.); (A.Z.); (G.T.)
| | - Chariklia Kosma
- Department of Food Science & Technology, University of Patras, Seferi 2, 30100 Agrinio, Greece; (R.F.); (C.K.); (A.P.)
| | - Anastasios Zotos
- Department of Sustainable Agriculture, University of Patras, Seferi 2, 30100 Agrinio, Greece; (M.A.); (E.A.); (A.S.); (A.Z.); (G.T.)
| | - George Tsiamis
- Department of Sustainable Agriculture, University of Patras, Seferi 2, 30100 Agrinio, Greece; (M.A.); (E.A.); (A.S.); (A.Z.); (G.T.)
| | - Angelos Patakas
- Department of Food Science & Technology, University of Patras, Seferi 2, 30100 Agrinio, Greece; (R.F.); (C.K.); (A.P.)
| | - Vassilios Triantafyllidis
- Department of Food Science & Technology, University of Patras, Seferi 2, 30100 Agrinio, Greece; (R.F.); (C.K.); (A.P.)
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Deka Boruah HP, Chauhan PS, Acharya C. Editorial: Trends of microbial technologies in rehabilitation of contaminated environments. Front Microbiol 2023; 14:1268002. [PMID: 37675427 PMCID: PMC10478085 DOI: 10.3389/fmicb.2023.1268002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 08/04/2023] [Indexed: 09/08/2023] Open
Affiliation(s)
| | - Puneet Singh Chauhan
- Microbial Technologies Division, CSIR-National Botanical Research Institute, Lucknow, India
| | - Celin Acharya
- Molecular Biology Division, Bhabha Atomic Research Centre, Mumbai, India
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111
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Otero P, Echave J, Chamorro F, Soria-Lopez A, Cassani L, Simal-Gandara J, Prieto MA, Fraga-Corral M. Challenges in the Application of Circular Economy Models to Agricultural By-Products: Pesticides in Spain as a Case Study. Foods 2023; 12:3054. [PMID: 37628052 PMCID: PMC10453233 DOI: 10.3390/foods12163054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/12/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
The income and residue production from agriculture has a strong impact in Spain. A circular economy and a bioeconomy are two alternative sustainable models that include the revalorization of agri-food by-products to recover healthy biomolecules. However, most crops are conventional, implying the use of pesticides. Hence, the reutilization of agri-food by-products may involve the accumulation of pesticides. Even though the waste-to-bioproducts trend has been widely studied, the potential accumulation of pesticides during by-product revalorization has been scarcely assessed. Therefore, in this study, the most common pesticides found in eight highly productive crops in Spain are evaluated according to the available published data, mainly from EFSA reports. Among these, oranges, berries and peppers showed an increasing tendency regarding pesticide exceedances. In addition, the adverse effects of pesticides on human and animal health and the environment were considered. Finally, a safety assessment was developed to understand if the reutilization of citrus peels to recover ascorbic acid (AA) would represent a risk to human health. The results obtained seem to indicate the safety of this by-product to recover AA concentrations to avoid scurvy (45 mg/day) and improve health (200 mg/day). Therefore, this work evaluates the potential risk of pesticide exposure through the revalorization of agri-food by-products using peels from citruses, one of the major agricultural crops in Spain, as a case study.
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Affiliation(s)
- Paz Otero
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
| | - Javier Echave
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
| | - Franklin Chamorro
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
| | - Anton Soria-Lopez
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
| | - Lucia Cassani
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales, Consejo Nacional de Investigaciones Científicas y Técnicas (INTEMA-CONICET), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
| | - Miguel A. Prieto
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
| | - Maria Fraga-Corral
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, 32004 Ourense, Spain; (P.O.); (J.E.); (F.C.); (A.S.-L.); (L.C.); (J.S.-G.); (M.A.P.)
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Choi BS, Lee DU, Kim WS, Park CW, Choe WJ, Moon MJ. Simultaneous Screening of 322 Residual Pesticides in Fruits and Vegetables Using GC-MS/MS and Deterministic Health Risk Assessments. Foods 2023; 12:3001. [PMID: 37628000 PMCID: PMC10453053 DOI: 10.3390/foods12163001] [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: 06/26/2023] [Revised: 08/06/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
The development of efficient methods for evaluating pesticide residues is essential in order to ensure the safety and quality of agricultural products since the Republic of Korea implemented the Positive List System (PLS). The objective of this research was to establish a method for the simultaneous analysis of 322 pesticide residues in fruits and vegetables (such as coffee, potato, corn, and chili pepper), using the quick, easy, cheap, effective, rugged, and safe (QuEChERS) approach in combination with gas chromatography-tandem mass spectrometry (GC-MS/MS). This study introduces a robust, high-throughput GC-MS/MS method for screening the target pesticide residues in agricultural products, achieving the PLS criterion of 0.01 mg/kg LOQ. Despite some compounds not aligning with the CODEX recovery guideline, sufficient reproducibility was confirmed, attesting to the method's applicability in qualitative analyses. A health risk assessment conducted using estimated daily intake/acceptable daily intake ratios indicated low risks associated with product consumption (<0.035391%), thereby confirming their safety. This efficient method holds significant implications for the safe distribution of agricultural products, including during import inspections.
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Affiliation(s)
- Byong-Sun Choi
- Department of Industrial Chemistry, Pukyong National University, Busan 48513, Republic of Korea;
| | - Dong-Uk Lee
- Biomedical Manufacturing Technology Center, Korea Institute of Industrial Technology, Yeongcheon 38822, Republic of Korea;
| | - Woo-Seong Kim
- Center of Food & Drug Analysis, Busan Regional Office of Food and Drug Safety, Ministry of Food and Drug Safety, Busan 47537, Republic of Korea; (W.-S.K.); (C.-W.P.)
| | - Chan-Woong Park
- Center of Food & Drug Analysis, Busan Regional Office of Food and Drug Safety, Ministry of Food and Drug Safety, Busan 47537, Republic of Korea; (W.-S.K.); (C.-W.P.)
| | - Won-Jo Choe
- Pesticides & Veterinary Drug Residues Division, National Institute of Food & Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju 28159, Republic of Korea
| | - Myung-Jun Moon
- Department of Industrial Chemistry, Pukyong National University, Busan 48513, Republic of Korea;
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113
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Núñez-Gómez D, Melgarejo P, Martínez-Nicolás JJ, Hernández F, Martínez-Font R, Lidón V, Legua P. Effects of marine sediment as agricultural substrate on soil microbial diversity: an amplicon sequencing study. ENVIRONMENTAL MICROBIOME 2023; 18:69. [PMID: 37550709 PMCID: PMC10408225 DOI: 10.1186/s40793-023-00519-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 07/12/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND The soil microbiota has a direct impact on plant development and other metabolic systems, such as the degradation of organic matter and the availability of microelements and metabolites. In the context of agricultural soils, microbial activity is crucial for maintaining soil health and productivity. Thus, the present study aimed to identify, characterize, and quantify the microbial communities of four types of substrates with varying proportions of marine port sediment used for cultivating lemons. By investigating microbial diversity and relative abundance, the work aimed to highlight the importance of soil microbial communities in agriculture when alternative culture media was used. RESULTS The composition and structure of the sampled microbial communities were assessed through the amplification and sequencing of the V3-V4 variable regions of the 16 S rRNA gene The results revealed a diverse microbial community composition in all substrate samples, with a total of 41 phyla, 113 classes, 266 orders, 405 families, 715 genera, and 1513 species identified. Among these, Proteobacteria, Bacteroidota, Planctomycetota, Patescibacteria, Chloroflexi, Actinobacteriota, Acidobacteriota, Verrucomicrobiota, and Gemmatimonadota accounted for over 90% of the bacterial reads, indicating their dominance in the substrates. CONCLUSIONS The impact of the substrate origin on the diversity and relative abundace of the microbiota was confirmed. The higher content of beneficial bacterial communities for plant development identified in peat could explain why is considered an ideal agricultural substrate. Development of "beneficial for plants" bacterial communities in alternative agricultural substrates, regardless of the edaphic characteristics, opens the possibility of studying the forced and specific inoculation of these culture media aiming to be agriculturally ideals.
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Affiliation(s)
- Dámaris Núñez-Gómez
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernandez University, Ctra. Beniel, km 3.2, Orihuela, Alicante, 03312, Spain
| | - Pablo Melgarejo
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernandez University, Ctra. Beniel, km 3.2, Orihuela, Alicante, 03312, Spain.
| | - Juan José Martínez-Nicolás
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernandez University, Ctra. Beniel, km 3.2, Orihuela, Alicante, 03312, Spain
| | - Francisca Hernández
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernandez University, Ctra. Beniel, km 3.2, Orihuela, Alicante, 03312, Spain
| | - Rafael Martínez-Font
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernandez University, Ctra. Beniel, km 3.2, Orihuela, Alicante, 03312, Spain
| | - Vicente Lidón
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernandez University, Ctra. Beniel, km 3.2, Orihuela, Alicante, 03312, Spain
| | - Pilar Legua
- Centro de Investigación e Innovación Agroalimentaria y Agroambiental (CIAGRO-UMH), Miguel Hernandez University, Ctra. Beniel, km 3.2, Orihuela, Alicante, 03312, Spain
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114
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Schneider K, Barreiro-Hurle J, Vossen J, Schouten HJ, Kessel G, Andreasson E, Kieu NP, Strassemeyer J, Hristov J, Rodriguez-Cerezo E. Insights on cisgenic plants with durable disease resistance under the European Green Deal. Trends Biotechnol 2023; 41:1027-1040. [PMID: 37419837 DOI: 10.1016/j.tibtech.2023.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/26/2023] [Accepted: 02/17/2023] [Indexed: 07/09/2023]
Abstract
Significant shares of harvests are lost to pests and diseases, therefore, minimizing these losses could solve part of the supply constraints to feed the world. Cisgenesis is defined as the insertion of genetic material into a recipient organism from a donor that is sexually compatible. Here, we review (i) conventional plant breeding, (ii) cisgenesis, (iii) current pesticide-based disease management, (iv) potential economic implications of cultivating cisgenic crops with durable disease resistances, and (v) potential environmental implications of cultivating such crops; focusing mostly on potatoes, but also apples, with resistances to Phytophthora infestans and Venturia inaequalis, respectively. Adopting cisgenic varieties could provide benefits to farmers and to the environment through lower pesticide use, thus contributing to the European Green Deal target.
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Affiliation(s)
- Kevin Schneider
- Joint Research Centre, European Commission, Calle Inca Garcilaso 3, 41092, Sevilla, Spain.
| | - Jesus Barreiro-Hurle
- Joint Research Centre, European Commission, Calle Inca Garcilaso 3, 41092, Sevilla, Spain
| | - Jack Vossen
- Plant Breeding, Wageningen University & Research, Droevendaalsesteeg 1, 6700, AJ, Wageningen, The Netherlands
| | - Henk J Schouten
- Plant Breeding, Wageningen University & Research, Droevendaalsesteeg 1, 6700, AJ, Wageningen, The Netherlands
| | - Geert Kessel
- Field Crops, Wageningen University & Research, Edelhertweg 1, 8219, PH, Lelystad, The Netherlands
| | - Erik Andreasson
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp Campus, Sweden
| | - Nam Phuong Kieu
- Department of Plant Protection Biology, Swedish University of Agricultural Sciences, Alnarp Campus, Sweden
| | - Jörn Strassemeyer
- Julius Kühn-Institut, Federal Research Centre for Cultivated Plants, Institute for Strategies and Technology Assessment, 14532, Kleinmachnow, Germany
| | - Jordan Hristov
- Joint Research Centre, European Commission, Calle Inca Garcilaso 3, 41092, Sevilla, Spain
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115
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Jobe NB, Huijben S, Paaijmans KP. Non-target effects of chemical malaria vector control on other biological and mechanical infectious disease vectors. Lancet Planet Health 2023; 7:e706-e717. [PMID: 37558351 DOI: 10.1016/s2542-5196(23)00136-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 06/09/2023] [Accepted: 06/17/2023] [Indexed: 08/11/2023]
Abstract
Public health insecticides play a crucial role in malaria control and elimination programmes. Many other arthropods, including mechanical and biological vectors of infectious diseases, have similar indoor feeding or resting behaviours, or both, as malaria mosquitoes, and could be exposed to the same insecticides. In this Personal View, we show that little is known about the insecticide susceptibility status and the extent of exposure to malaria interventions of other arthropod species. We highlight that there is an urgent need to better understand the selection pressure for insecticide resistance in those vectors, to ensure current and future active ingredients remain effective in targeting a broad range of arthropod species, allowing us to prevent and control future outbreaks of infectious diseases other than malaria.
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Affiliation(s)
- Ndey Bassin Jobe
- The Center for Evolution & Medicine, School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Silvie Huijben
- The Center for Evolution & Medicine, School of Life Sciences, Arizona State University, Tempe, AZ, USA; Simon A Levin Mathematical, Computational and Modeling Sciences Center, Arizona State University, Tempe, AZ, USA
| | - Krijn P Paaijmans
- The Center for Evolution & Medicine, School of Life Sciences, Arizona State University, Tempe, AZ, USA; Simon A Levin Mathematical, Computational and Modeling Sciences Center, Arizona State University, Tempe, AZ, USA; The Biodesign Center for Immunotherapy, Vaccines and Virotherapy, Arizona State University, Tempe, AZ, USA; ISGlobal, Barcelona, Spain; Centro de Investigação em Saúde de Manhiça, Maputo, Mozambique.
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116
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Partovi F, Mikkilä J, Iyer S, Mikkilä J, Kontro J, Ojanperä S, Juuti P, Kangasluoma J, Shcherbinin A, Rissanen M. Pesticide Residue Fast Screening Using Thermal Desorption Multi-Scheme Chemical Ionization Mass Spectrometry (TD-MION MS) with Selective Chemical Ionization. ACS OMEGA 2023; 8:25749-25757. [PMID: 37521638 PMCID: PMC10373215 DOI: 10.1021/acsomega.3c00385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 06/30/2023] [Indexed: 08/01/2023]
Abstract
In this work, the detection characteristics of a large group of common pesticides were investigated using a multi-scheme chemical ionization inlet (MION) with a thermal desorption unit (Karsa Ltd.) connected to an Orbitrap (Velos Pro, Thermo Fisher Scientific) mass spectrometer. Standard pesticide mixtures, fruit extracts, untreated fruit juice, and whole fruit samples were inspected. The pesticide mixtures contained 1 ng of each individual target. Altogether, 115 pesticides were detected, with a set of different reagents (i.e., dibromomethane, acetonylacetone, and water) in different polarity modes. The measurement methodology presented was developed to minimize the common bottlenecks originating from sample pretreatments and nonetheless was able to retrieve 92% of the most common pesticides regularly analyzed with standardized UHPLC-MSMS (ultra-high-performance liquid chromatography with tandem mass spectrometry) procedures. The fraction of detected targets of two standard pesticide mixtures generally quantified by GC-MSMS (gas chromatography with tandem mass spectrometry) methodology was much less, equaling 45 and 34%. The pineapple swabbing experiment led to the detection of fludioxonil and diazinon below their respective maximum residue levels (MRLs), whereas measurements of untreated pineapple juice and other fruit extracts led to retrieval of dimethomorph, dinotefuran, imazalil, azoxystrobin, thiabendazole, fludioxonil, and diazinon, also below their MRL. The potential for mutual detection was investigated by mixing two standard solutions and by spiking an extract of fruit with a pesticide's solution, and subsequently, individual compounds were simultaneously detected. For a selected subgroup of compounds, the bromide (Br-) chemical ionization characteristics were further inspected using quantum chemical computations to illustrate the structural features leading to their sensitive detection. Importantly, pesticides could be detected in actual extract and fruit samples, which demonstrates the potential of our fast screening method.
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Affiliation(s)
- Fariba Partovi
- Karsa
Ltd., A. I. Virtasen
aukio 1, Helsinki 00560, Finland
- Aerosol
Physics Laboratory, Physics Unit, Faculty of Engineering and Natural
Sciences, Tampere University, Tampere 33720, Finland
| | - Joona Mikkilä
- Karsa
Ltd., A. I. Virtasen
aukio 1, Helsinki 00560, Finland
| | - Siddharth Iyer
- Aerosol
Physics Laboratory, Physics Unit, Faculty of Engineering and Natural
Sciences, Tampere University, Tampere 33720, Finland
| | - Jyri Mikkilä
- Karsa
Ltd., A. I. Virtasen
aukio 1, Helsinki 00560, Finland
| | - Jussi Kontro
- Karsa
Ltd., A. I. Virtasen
aukio 1, Helsinki 00560, Finland
| | - Suvi Ojanperä
- Finnish
Customs, P.O. Box 512, Helsinki FI-00101, Finland
| | - Paxton Juuti
- Karsa
Ltd., A. I. Virtasen
aukio 1, Helsinki 00560, Finland
| | - Juha Kangasluoma
- Karsa
Ltd., A. I. Virtasen
aukio 1, Helsinki 00560, Finland
- Institute
for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki 00014, Finland
| | | | - Matti Rissanen
- Aerosol
Physics Laboratory, Physics Unit, Faculty of Engineering and Natural
Sciences, Tampere University, Tampere 33720, Finland
- Department
of Chemistry, University of Helsinki, Helsinki 00014, Finland
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Akter L, Alamgir Kobir M, Nasrin M, Nazmul Hasan Siddiqi M, Pervin M, Rabiul Karim M. Effects of exposure to imidacloprid contaminated feed on the visceral organs of adult male rabbits ( Oryctolagus cuniculus). Saudi J Biol Sci 2023; 30:103684. [PMID: 37252212 PMCID: PMC10220483 DOI: 10.1016/j.sjbs.2023.103684] [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: 03/08/2023] [Revised: 04/18/2023] [Accepted: 05/08/2023] [Indexed: 05/31/2023] Open
Abstract
The best-known and often used systemic, broad-spectrum neonicotinoid pesticide is imidacloprid (IMI). This study was carried out on adult male rabbits (n = 12) to assess the residual effects of exposure to IMI-contaminated diet on the liver, lung, heart, and kidney. Pesticide-exposed rabbits (n = 6) received IMI contaminated green grass (Bildor® 0.5 ml (100 mg)/L water) every alternative day once daily for up to 15 days. The remaining rabbits were fed a standard diet free of pesticides as a control. During routine monitoring of the rabbits throughout the experiment, there were no apparent toxic symptoms identified. On days 16, after deep anesthesia blood and visceral organs were collected. The levels of hepatic serum aspartate transaminase and alanine transaminase were considerably elevated in IMI-exposed rabbits (p ≤ 0.05). Thin layer chromatography revealed that the residue of IMI was at the detectable level in the liver and stomach. Histopathologically, the liver revealed coagulation necrosis with granulomatous inflammation and congestion in portal areas with dilated and congested central veins. The lungs showed congestion of blood vessels and granulomatous inflammation around the terminal bronchiole. Accumulations of inflammatory cells were observed in the cortico-medullary junction in the kidney. The heart showed necrosis and infiltration of mononuclear cells within the cardiac muscles. The findings of the current study emphasize that IMI-contaminated feed exposure causes toxicity into the cellular level of different visceral organs of adult male rabbits and it may also cause the similar toxic effects of the other mammals specially the occupationally exposed persons.
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Affiliation(s)
- Latifa Akter
- Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Md. Alamgir Kobir
- Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Morsheda Nasrin
- Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Md. Nazmul Hasan Siddiqi
- Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Munmun Pervin
- Department of Pathology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Mohammad Rabiul Karim
- Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
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Phokwe OJ, Manganyi MC. Medicinal Plants as a Natural Greener Biocontrol Approach to "The Grain Destructor" Maize Weevil ( Sitophilus zeamais) Motschulsky. PLANTS (BASEL, SWITZERLAND) 2023; 12:2505. [PMID: 37447066 DOI: 10.3390/plants12132505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023]
Abstract
According to the United Nations (UN), the global population may skyrocket to 9.8 billion people in 2050 and 11.2 billion in 2100, placing an overwhelming burden on food security as the world will have to meet this growing demand. Maize is the largest staple grain crop produced in developing countries. The maize weevil, Sitophilus zeamais, is one of the most destructive post-harvest pests of stored cereals and grains. The maize weevil contributes up to 40% of total food-grain losses during storage, mainly in developing countries. Current synthetic pesticides are ineffective, and, moreover, they raise serious environmental safety concerns as well as consumer health hazards. Drawing from past oversights and current environmental realities and projections, the global population has been switching to green living by developing sustainable strategies. In our context, these new greener strategies include the utilization of medicinal plants to control maize weevil infestation, which unlocks unlimited innovative possibilities, and, thus, improves the yield, quality, and safety of maize. Medicinal plants are less toxic, easily biodegradable, and capable of protecting grain from pests. This paper systematically outlines the literature on host plants as well as the feeding and associated diseases of the maize weevil. In light of this, we cement medicinal plants as excellent candidates in the pursuit of greener, sustainable, more potent, and cost-effective pesticides.
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Affiliation(s)
- Ompelege Jacqueline Phokwe
- Department of Biological and Environmental Sciences, Faculty of Natural Sciences, Walter Sisulu University, Mthatha 5117, South Africa
| | - Madira Coutlyne Manganyi
- Department of Biological and Environmental Sciences, Faculty of Natural Sciences, Walter Sisulu University, Mthatha 5117, South Africa
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119
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Tsong JL, Khor SM. Modern analytical and bioanalytical technologies and concepts for smart and precision farming. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37376849 DOI: 10.1039/d3ay00647f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Unpredictable natural disasters, disease outbreaks, climate change, pollution, and war constantly threaten food crop production. Smart and precision farming encourages using information or data obtained by using advanced technology (sensors, AI, and IoT) to improve decision-making in agriculture and achieve high productivity. For instance, weather prediction, nutrient information, pollutant assessment, and pathogen determination can be made with the help of new analytical and bioanalytical methods, demonstrating the potential for societal impact such as environmental, agricultural, and food science. As a rising technology, biosensors can be a potential tool to promote smart and precision farming in developing and underdeveloped countries. This review emphasizes the role of on-field, in vivo, and wearable biosensors in smart and precision farming, especially those biosensing systems that have proven with suitably complex and analytically challenging samples. The development of various agricultural biosensors in the past five years that fulfill market requirements such as portability, low cost, long-term stability, user-friendliness, rapidity, and on-site monitoring will be reviewed. The challenges and prospects for developing IoT and AI-integrated biosensors to increase crop yield and advance sustainable agriculture will be discussed. Using biosensors in smart and precision farming would ensure food security and revenue for farming communities.
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Affiliation(s)
- Jia Ling Tsong
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Sook Mei Khor
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
- Centre for Fundamental and Frontier Sciences in Nanostructure Self-Assembly, Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
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Maati H, Amadine O, Essamlali Y, Aboulhrouz S, Jioui I, Dânoun K, Zahouily M. Ultrasound-assisted degradation of organophosphorus pesticide methidathion using CuFe 2O 4@SiO 2-GO COOH as a magnetic separable sonocatalyst. RSC Adv 2023; 13:19617-19626. [PMID: 37388148 PMCID: PMC10305793 DOI: 10.1039/d3ra02773b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/14/2023] [Indexed: 07/01/2023] Open
Abstract
Water contamination by pesticides is a critical environmental issue, necessitating the development of sustainable and efficient degradation methods. This study focuses on synthesizing and evaluating a novel heterogeneous sonocatalyst for degrading pesticide methidathion. The catalyst consists of graphene oxide (GO) decorated CuFe2O4@SiO2 nanocomposites. Comprehensive characterization using various techniques confirmed the superior sonocatalytic activity of the CuFe2O4@SiO2-GOCOOH nanocomposite compared to CuFe2O4@SiO2 alone. The enhanced performance is attributed to the combined effects of GO and CuFe2O4@SiO2, including increased surface area, enhanced adsorption capabilities, and efficient electron transfer pathways. Reaction parameters such as time, temperature, concentration, and pH significantly influenced the degradation efficiency of methidathion. Longer reaction times, higher temperatures, and lower initial pesticide concentrations favored faster degradation and higher efficiency. Optimal pH conditions were identified to ensure effective degradation. Remarkably, the catalyst demonstrated excellent recyclability, indicating its potential for practical implementation in pesticide-contaminated wastewater treatment. This research contributes to the development of sustainable methods for environmental remediation, highlighting the promising potential of the graphene oxide decorated CuFe2O4@SiO2 nanocomposite as an effective heterogeneous sonocatalyst for pesticide degradation.
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Affiliation(s)
- Houda Maati
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR) Benguerir Morocco
- Mohammed VI Polytechnic University Lot 660 - Hay Moulay Rachid, Ben Guerir 43150 Morocco
| | - Othmane Amadine
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR) Benguerir Morocco
- Mohammed VI Polytechnic University Lot 660 - Hay Moulay Rachid, Ben Guerir 43150 Morocco
| | - Younes Essamlali
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR) Benguerir Morocco
- Mohammed VI Polytechnic University Lot 660 - Hay Moulay Rachid, Ben Guerir 43150 Morocco
| | - Soumia Aboulhrouz
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR) Benguerir Morocco
- Mohammed VI Polytechnic University Lot 660 - Hay Moulay Rachid, Ben Guerir 43150 Morocco
| | - Ilham Jioui
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR) Benguerir Morocco
- Mohammed VI Polytechnic University Lot 660 - Hay Moulay Rachid, Ben Guerir 43150 Morocco
| | - Karim Dânoun
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR) Benguerir Morocco
- Mohammed VI Polytechnic University Lot 660 - Hay Moulay Rachid, Ben Guerir 43150 Morocco
| | - Mohamed Zahouily
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR) Benguerir Morocco
- Mohammed VI Polytechnic University Lot 660 - Hay Moulay Rachid, Ben Guerir 43150 Morocco
- Laboratory of Materials, Catalysis & Valorization of Natural Resources, Hassan II University, FST-Mohammedia Morocco
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Sobieraj J, Metelski D. Insights into Toxic Prymnesium parvum Blooms as a Cause of the Ecological Disaster on the Odra River. Toxins (Basel) 2023; 15:403. [PMID: 37368703 PMCID: PMC10302719 DOI: 10.3390/toxins15060403] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 06/04/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
In 2022, Poland and Germany experienced a prolonged and extensive mass fish kill in the Odra River. During the period from the end of July to the beginning of September 2022, a high level of incidental disease and mortality was observed in various fish species (dozens of different species were found dead). The fish mortality affected five Polish provinces (Silesia, Opole, Lower Silesia, Lubuskie, and Western Pomerania) and involved reservoir systems covering most of the river (the Odra River is 854 km long, of which 742 km are in Poland). Fatal cases were investigated using toxicological, anatomopathological, and histopathological tests. Water samples were collected to determine nutrient status in the water column, phytoplankton biomass, and community composition. High nutrient concentrations indicated high phytoplankton productivity, with favorable conditions for golden algal blooms. The harmful toxins (prymnesins secreted by Prymnesium parvum habitats) had not been found in Poland before, but it was only a matter of time, especially in the Odra River, whose waters are permanently saline and still used for navigation. The observed fish mortality resulted in a 50% decrease in the fish population in the river and affected mainly cold-blooded species. Histopathological examinations of fish showed acute damage to the most perfused organs (gills, spleen, kidneys). The disruption to hematopoietic processes and damage to the gills were due to the action of hemolytic toxins (prymnesins). An evaluation of the collected hydrological, meteorological, biological, and physico-chemical data on the observed spatio-temporal course of the catastrophe, as well as the detection of three compounds from the group of B-type prymnesins in the analyzed material (the presence of prymnesins was confirmed using an analysis of the fragmentation spectrum and the accurate tandem mass spectrometry (MS/MS) measurement, in combination with high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS), allowed the formulation and subsequent testing of the hypothesis for a direct link between the observed fish mortality and the presence of prymnesins in the Odra River. This article systematizes what is known about the causes of the fish kill in the Odra River in 2022, based on official government reports (one Polish and one German) and the EU technical report by the Joint Research Centre. A review and critical analysis of government findings (Polish and German) on this disaster were conducted in the context of what is known to date about similar cases of mass fish kills.
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Affiliation(s)
- Janusz Sobieraj
- Department of Building Engineering, Warsaw University of Technology, 00-637 Warsaw, Poland;
| | - Dominik Metelski
- Research Group SEJ-609 “AMIKO”, Faculty of Economics and Management Sciences, Campus de Cartuja s/n, University of Granada, 18071 Granada, Spain
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122
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Ma Y, Zhu Q, Luo S, Zhang F, Liu L, Mengxue Z, Zhang Z, Cao X, Qiu X, Zeng X, Ji D, Li C, Zhong X, Wang J, Wei Y. Environmentally relevant concentrations of fipronil selectively disrupt venous vessel development in zebrafish embryos/larvae. CHEMOSPHERE 2023:139146. [PMID: 37290517 DOI: 10.1016/j.chemosphere.2023.139146] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/29/2023] [Accepted: 06/04/2023] [Indexed: 06/10/2023]
Abstract
The pesticide fipronil is widely dispersed in aquatic environments and frequently detected in the general population. Although the adverse effects on embryonic growth by fipronil exposure have been extensively documented, the early responses for its developmental toxicity are largely unknown. In the present study, we explored the sensitive targets of fipronil, focusing on vascular injury using zebrafish embryos/larvae and cultured human endothelial cells. Exposure to 5-500 μg/L fipronil at the early stage impeded the growth of sub-intestinal venous plexus (SIVP), caudal vein plexus (CVP), and common cardinal veins (CCV). The damages on venous vessels occurred at exposure to the environmentally relevant concentration as low as 5 μg/L fipronil, whereas no significant change was observed in general toxicity indexes. In contrast, vascular development of the dorsal aorta (DA) or intersegmental artery (ISA) was not affected. In addition, the mRNA levels of vascular markers and vessel type-specific function genes exhibited significant decreases in venous genes, including nr2f2, ephb4a, and flt4, but no appreciable change in arterial genes. Likewise, the more pronounced changes in cell death and cytoskeleton disruption were shown in human umbilical vein endothelial cells as compared with human aortic endothelial cells. Furthermore, molecular docking supported a stronger affinity of fipronil and its metabolites to the proteins correlated with venous development, such as BMPR2 and SMARCA4. These results reveal the heterogeneity in developing vasculature responsive to fipronil's exposure. The preferential impacts on the veins confer higher sensitivity, allowing them to be appropriate targets for monitoring fipronil's developmental toxicity.
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Affiliation(s)
- Ya Ma
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Qicheng Zhu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Shili Luo
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Fenghong Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China
| | - Lei Liu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China
| | - Zhi Mengxue
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China
| | - Zhuyi Zhang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiaolian Cao
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xuelin Qiu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiangyu Zeng
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Di Ji
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Chenxin Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xiali Zhong
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Jianshe Wang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, China.
| | - Yanhong Wei
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China.
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123
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Pupim ACE, Basso CR, Machado CCA, Watanabe PS, Fernandes GSA, ErthalL RP, Sodré GBC, Guarnier FA, Simão ANC, Araújo EJA. Long-term and low dose oral malathion exposure causes morphophysiological changes in the colon of rats. Life Sci 2023; 327:121840. [PMID: 37290667 DOI: 10.1016/j.lfs.2023.121840] [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: 03/15/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/10/2023]
Abstract
BACKGROUND Malathion (MAL) is an organophosphate insecticide that inhibits cholinesterases, used to control pests in agriculture and to combat mosquitoes that transmit various arboviruses. As acetylcholine is one of the major neurotransmitters of the enteric nervous system (ENS), humans exposed to MAL by ingestion of contaminated food and water can develop symptoms due disfunction of the gastrointestinal tract. Although the deleterious effects after exposure to high doses are recognized, little is known about the long-term and low-dose effects of this pesticide on the structure and motility of the colon. AIMS to evaluate the effects of prolonged oral exposure to low levels of MAL on the wall structure and colonic motility parameters of young rats. MAIN METHODS The animals were divided into three groups: control, and groups that received 10 or 50 mg/kg of MAL via gavage for 40 days. The colon was collected for histological analysis and analysis of the ENS through the evaluation of total neurons and subpopulations of the myenteric and submucosal plexuses. Cholinesterase activity and functional analyzes of the colon were evaluated. KEY FINDINGS MAL treatments (10 and 50 mg/Kg) reduced the butyrylcholinesterase activity, and caused enlargement of faecal pellets, atrophy of muscle layers and several changes in neurons of both myenteric and submucosal plexi. Considering colonic contraction, MAL (50 mg/Kg) increased the number of retrograde colonic migratory motor complexes. SIGNIFICANCE The long-term exposure to low doses of MAL affects colonic morphophysiology, which highlights the need to intensify control and care in the use of this pesticide.
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Affiliation(s)
- A C E Pupim
- Department of Histology, State University of Londrina, Londrina, Paraná, Brazil.
| | - C R Basso
- Department of Histology, State University of Londrina, Londrina, Paraná, Brazil
| | - C C A Machado
- Department of Histology, State University of Londrina, Londrina, Paraná, Brazil
| | - P S Watanabe
- Department of Histology, State University of Londrina, Londrina, Paraná, Brazil
| | - G S A Fernandes
- Department of General Biology, State University of Londrina, Londrina, Paraná, Brazil
| | - R P ErthalL
- Department of General Biology, State University of Londrina, Londrina, Paraná, Brazil
| | - G B C Sodré
- Department of Histology, State University of Londrina, Londrina, Paraná, Brazil
| | - F A Guarnier
- Department of Pathological Sciences, State University of Londrina, Londrina, Paraná, Brazil
| | - A N C Simão
- Department of Pathology, Clinical Analysis and Toxicology, State University of Londrina, Paraná, Brazil
| | - E J A Araújo
- Department of Histology, State University of Londrina, Londrina, Paraná, Brazil
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Kushveer JS, Sharma R, Samantaray M, Amutha R, Sarma VV. Purification and evaluation of 2, 4-di-tert butylphenol (DTBP) as a biocontrol agent against phyto-pathogenic fungi. Fungal Biol 2023; 127:1067-1074. [PMID: 37344008 DOI: 10.1016/j.funbio.2023.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/14/2023] [Accepted: 05/16/2023] [Indexed: 06/23/2023]
Abstract
A fungal strain, Marasmiellus sp (PUK64), isolated from the mangrove forests in Muthupet, Tamil Nadu, East coast of India, along with others were screened for the search of potent bioactive compounds. A phenolic compound, 2,4-di-tert-butylphenol (DTBP), was isolated from the most promising strain PUK64 and its chemical structure was ascertained. DTBP demonstrated remarkable antifungal activity against the phytopathogenic fungi Aspergillus oryzae, Curvularia lunata and Fusarium verticillioides. In an in-vitro experimental setup, DTBP suppressed the growth of all three fungi, among which F. verticillioides was found to be highly susceptible. This effect relates with the inhibition of spore germination and hyphal growth that we observed. DTBP showed high affinity with the F. verticillioides's β-tubulin protein (determined by ligand-protein docking) as compared to the standard fungicide carbendazim (CBZ). Molecular docking and simulation studies of DTBP with target β-tubulin further confirmed the potential of β-tubulin binding in F. verticillioides. To our knowledge, this is the first report on DTBP-mediated biocontrol of phytopathogenic fungi, produced by Marasmiellus sp. PUK64 that can be potent inhibitor of β-tubulin protein of F. verticillioides.
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Affiliation(s)
- J S Kushveer
- Department of Biotechnology, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - Rahul Sharma
- Department of Biotechnology, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - Mahesh Samantaray
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - R Amutha
- Department of Bioinformatics, School of Life Sciences, Pondicherry University, Pondicherry, India
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Peluso T, Nittoli V, Reale C, Porreca I, Russo F, Roberto L, Giacco A, Silvestri E, Mallardo M, De Felice M, Ambrosino C. Chronic Exposure to Chlorpyrifos Damages Thyroid Activity and Imbalances Hepatic Thyroid Hormones Signaling and Glucose Metabolism: Dependency of T3-FOXO1 Axis by Hyperglycemia. Int J Mol Sci 2023; 24:ijms24119582. [PMID: 37298533 DOI: 10.3390/ijms24119582] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/08/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023] Open
Abstract
Early life exposure to Endocrine Disruptor Chemicals (EDCs), such as the organophosphate pesticide Chlorpyrifos (CPF), affects the thyroid activity and dependent process, including the glucose metabolism. The damage of thyroid hormones (THs) as a mechanism of action of CPF is underestimated because the studies rarely consider that TH levels and signaling are customized peripherally. Here, we investigated the impairment of metabolism/signaling of THs and lipid/glucose metabolism in the livers of 6-month-old mice, developmentally and lifelong exposed to 0.1, 1, and 10 mg/kg/die CPF (F1) and their offspring similarly exposed (F2), analyzing the levels of transcripts of the enzymes involved in the metabolism of T3 (Dio1), lipids (Fasn, Acc1), and glucose (G6pase, Pck1). Both processes were altered only in F2 males, affected by hypothyroidism and by a systemic hyperglycemia linked to the activation of gluconeogenesis in mice exposed to 1 and 10 mg/kg/die CPF. Interestingly, we observed an increase in active FOXO1 protein due to a decrease in AKT phosphorylation, despite insulin signaling activation. Experiments in vitro revealed that chronic exposure to CPF affected glucose metabolism via the direct modulation of FOXO1 activity and T3 levels in hepatic cells. In conclusion, we described different sex and intergenerational effects of CPF exposure on the hepatic homeostasis of THs, their signaling, and, finally, glucose metabolism. The data points to FOXO1-T3-glucose signaling as a target of CPF in liver.
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Affiliation(s)
- Teresa Peluso
- Department of Science and Technology, University of Sannio, Via de Sanctis, 82100 Benevento, Italy
- Biogem Scarl, Institute of Molecular Biology and Genetics Research, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Valeria Nittoli
- Biogem Scarl, Institute of Molecular Biology and Genetics Research, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Carla Reale
- Biogem Scarl, Institute of Molecular Biology and Genetics Research, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Immacolata Porreca
- Biogem Scarl, Institute of Molecular Biology and Genetics Research, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Filomena Russo
- Biogem Scarl, Institute of Molecular Biology and Genetics Research, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Luca Roberto
- Biogem Scarl, Institute of Molecular Biology and Genetics Research, Via Camporeale, 83031 Ariano Irpino, Italy
| | - Antonia Giacco
- Department of Science and Technology, University of Sannio, Via de Sanctis, 82100 Benevento, Italy
| | - Elena Silvestri
- Department of Science and Technology, University of Sannio, Via de Sanctis, 82100 Benevento, Italy
| | - Massimo Mallardo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples "Federico II", Via Pansini 5, 80131 Naples, Italy
| | - Mario De Felice
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples "Federico II", Via Pansini 5, 80131 Naples, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), CNR, Via Pansini 6, 80131 Naples, Italy
| | - Concetta Ambrosino
- Department of Science and Technology, University of Sannio, Via de Sanctis, 82100 Benevento, Italy
- Biogem Scarl, Institute of Molecular Biology and Genetics Research, Via Camporeale, 83031 Ariano Irpino, Italy
- Institute of Experimental Endocrinology and Oncology (IEOS), CNR, Via Pansini 6, 80131 Naples, Italy
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Prechsl UE, Rizzoli W, Marschall K, Jasper Wubs ER. Fungicide-free management of Alternaria leaf blotch and fruit spot on apple indicates Alternaria spp. as secondary colonizer. Sci Rep 2023; 13:8431. [PMID: 37225789 DOI: 10.1038/s41598-023-35448-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 05/18/2023] [Indexed: 05/26/2023] Open
Abstract
The fungal genus Alternaria is a pan-global pathogen of > 100 crops, and is associated with the globally expanding Alternaria leaf blotch in apple (Malus x domestica Borkh.) which leads to severe leaf necrosis, premature defoliation, and large economic losses. Up to date, the epidemiology of many Alternaria species is still not resolved as they can be saprophytic, parasitic or shift between both lifestyles and are also classified as primary pathogen able to infect healthy tissue. We argue that Alternaria spp. does not act as primary pathogen, but only as a necrosis-dependent opportunist. We studied the infection biology of Alternaria spp. under controlled conditions and monitored disease prevalence in real orchards and validated our ideas by applying fungicide-free treatments in 3-years field experiments. Alternaria spp. isolates were not able to induce necroses in healthy tissue, but only when prior induced damages existed. Next, leaf-applied fertilizers, without fungicidal effect, reduced Alternaria-associated symptoms (- 72.7%, SE: ± 2.5%) with the same efficacy as fungicides. Finally, low leaf magnesium, sulphur, and manganese concentrations were consistently linked with Alternaria-associated leaf blotch. Fruit spot incidence correlated positively with leaf blotch, was also reduced by fertilizer treatments, and did not expand during storage unlike other fungus-mediated diseases. Our findings suggest that Alternaria spp. may be a consequence of leaf blotch rather than its primary cause, as it appears to colonize the physiologically induced leaf blotch. Taking into account existing observations that Alternaria infection is connected to weakened hosts, the distinction may appear slight, but is of great significance, as we can now (a) explain the mechanism of how different stresses result in colonization with Alternaria spp. and (b) substitute fungicides for a basic leaf fertilizer. Therefore, our findings can result in significant decreases in environmental costs due to reduced fungicide use, especially if the same mechanism applies to other crops.
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Affiliation(s)
| | - Werner Rizzoli
- Terra Institute, Säbenertorgasse 2, 39042, Brixen, BZ, Italy
| | - Klaus Marschall
- Terra Institute, Säbenertorgasse 2, 39042, Brixen, BZ, Italy
| | - E R Jasper Wubs
- Sustainable Agroecosystems Group, Institute of Agricultural Sciences, Department of Environmental Systems Science, ETH Zürich, Universitätstrasse 2, 8092, Zurich, Switzerland
- Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), P.O. Box 50, 6700 AB, Wageningen, The Netherlands
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Santra HK, Banerjee D. Antifungal activity of volatile and non-volatile metabolites of endophytes of Chloranthus elatior Sw. FRONTIERS IN PLANT SCIENCE 2023; 14:1156323. [PMID: 37265637 PMCID: PMC10229785 DOI: 10.3389/fpls.2023.1156323] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 04/18/2023] [Indexed: 06/03/2023]
Abstract
Agriculture crops that have fungal infections suffer significant economic losses and reduced crop output. Chemical fungicides are used to tackle the problem, although this has additional detrimental side effects. There is an urgent need for safe and novel antifungals. Volatiles from plant-beneficial endophytic fungi are considered promising alternatives for the biological control of fungal pathogens as a sustainable approach in an agroecosystem. In the present investigation, a volatile-emitting sterile endophytic fungus, Diaporthe sp. CEL3 with bio-fumigation activity, was isolated from leaves of the ethnomedicinal plant Chloranthus elatior Sw., collected from the Passighat forest of North-East India. The camphor odor volatiles of CEL3 showed an inhibitory effect against eight fungal pathogens in vitro and minimized the infections of Monilinia fructicola, a causal agent of cherry fruit rot, in VOC-exposed cherry fruits. Rhizoctonia solani, Botrytis cinerea, Pythium ultimum, and M. fructicola were maximally inhibited up to 51.5%, 55.8%, 61.9%, and 78.5%, respectively, in comparison to control by the volatiles. Another isolate, CEL7, identified as Curvularia sp., synthesized non-volatile, soluble antifungal metabolites in its cell-free extracts and exhibited antifungal action. Bioassay-guided fractionation revealed the presence of imidazole compounds- (2-aminoethyl)-1H-imidazole-2-carbaldehyde, Pyrazole 4, 5 imidazole, 1-formyl 3-ethyl, phenol compounds-Phenol, 4-[2-(methylamino) ethyl]-, 6-Nitro-3-chlorophenol, Phenol, 2,4,6-tri-tert-butyl-, etc., in the cell-free extracts, with a MIC value of 250-2,000 µg ml-1. Optimum VOC emission was achieved in a modified PDA medium with instantly smashed potato (150 g L-1), dextrose (20 g L-1), wheat husk (20 g L-1), and yeast extract (20 g L-1), with additional salts. Interestingly, endophytic CEL3 emitted different types of volatiles, and trans-verbenol (32.25%), geraniol (30.32%), trans-ocimenol (12.90%), and mentha-4,8-diene (5.16%) were the prime ones. These VOCs cause lethal leakage of protein and necessary intracellular molecules from the fungal pathogens. Thus, CEL3 could potentially be used as a bio-fumigating agent to control post-harvest infections caused by fungal pathogens. This study opens a new approach to the use of endophytic fungi in biocontrol.
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Affiliation(s)
- Hiran Kanti Santra
- Microbiology and Microbial Biotechnology Laboratory, Department of Botany and Forestry, Vidyasagar University, Midnapore, India
| | - Debdulal Banerjee
- Microbiology and Microbial Biotechnology Laboratory, Department of Botany and Forestry, Vidyasagar University, Midnapore, India
- Center for Life Sciences, Vidyasagar University, Midnapore, India
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128
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Meenakshi MM, Annasamy G, Sankaranarayanan M. Highly sensitive technique for detection of adulterants in centella herbal samples using surface enhanced Raman spectroscopy (SERS). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 299:122878. [PMID: 37209480 DOI: 10.1016/j.saa.2023.122878] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 04/12/2023] [Accepted: 05/10/2023] [Indexed: 05/22/2023]
Abstract
The trace level detection of adulterants in food, nutritional supplements and medicinal herbs is highly challenging in the field of food processing and herbal industries. In addition, laborious sample processing procedures and well trained personnel are required to analyse the samples using conventional analytical equipments. In this study, a highly sensitive technique with minimal sampling processes and human intervention is proposed for the trace amount detection of pesticidal residues in centella powder. Herein, graphene oxide gold (GO-Au) nanocomposite coated parafilm is developed as substrate by simple dropcasting technique to facilitate dual surface enhanced Raman signal. The dual SERS enhancement involving chemical enhancement from graphene and electromagnetic signal enhancement from gold nanoparticles is utilized for detection of chlorpyrifos in the ppm level concentration. The flexible polymeric surfaces could be the better choice for SERS substrates due to their inherent properties such as flexibility, transparency, roughness and hydrophobicity. Among the various types of flexible substrates explored, GO-Au nanocomposites coated parafilm substrates showed better Raman signal enhancement. Parafilm coated with GO-Au nanocomposites is successful in achieving detection limits down to 0.1 ppm of chlorpyrifos in centella herbal powder sample. Thus, the fabricated parafilm based GO-Au SERS substrates could be used as a screening tool at quality control of herbal product manufacturing sectors for trace level detection of adulterants in herbal samples from their unique chemical and structural information.
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Affiliation(s)
- M Muthu Meenakshi
- Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Avadi 600062, India
| | | | - Mugesh Sankaranarayanan
- Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Avadi 600062, India
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129
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Mishra AK, Singh H, Kumar A, Gupta H, Mishra A. Recent Advancements in Liquid Chromatographic Techniques to Estimate Pesticide Residues Found in Medicinal Plants around the Globe. Crit Rev Anal Chem 2023:1-15. [PMID: 37184105 DOI: 10.1080/10408347.2023.2212049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
In the present review article, different advanced liquid chromatographic techniques and the advanced techniques other than liquid chromatography that are used to estimate the pesticide residues from different plant-based samples are presented. In the beginning of the article, details of pesticides, their health effects and various cell lines used for the related study has been outlined. Afterward, detailed descriptions regarding pesticides classification are inscribed. In the end, recent advancements in the area of analysis of pesticides for herbal drugs are explained. Solid phase micro extraction (SPME) and solid-phase extraction (SPE) are considered as most common method of sample preparation for pesticides and its residual analysis. The most commonly used analytical separation technique for pesticide analysis is liquid chromatography (LC) integrated with mass spectrometry (MS) and MS/MS as Triple Quadrupole Mass Spectrometer (QqQ) for the samples analysis where high level of sensitivity and accuracy is required in quantification.
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Affiliation(s)
- Arun K Mishra
- Central Facility of Instrumentation, Pharmacy Academy, IFTM University, Moradabad, India
| | - Harpreet Singh
- Advanced Phytochemistry Lab, School of Pharma. Sciences, IFTM University, Moradabad, India
| | - Arvind Kumar
- Advanced Phytochemistry Lab, School of Pharma. Sciences, IFTM University, Moradabad, India
| | - Himanshu Gupta
- Department of Chemistry, School of Sciences, IFTM University, Moradabad, India
| | - Amrita Mishra
- Department of B.Pharm (Ayu), Delhi Pharmaceutical Sciences & Research University, New Delhi, India
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130
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Hrynko I, Kaczyński P, Łuniewski S, Łozowicka B. Removal of triazole and pyrethroid pesticides from wheat grain by water treatment and ultrasound-supported processes. CHEMOSPHERE 2023; 333:138890. [PMID: 37182706 DOI: 10.1016/j.chemosphere.2023.138890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 05/03/2023] [Accepted: 05/06/2023] [Indexed: 05/16/2023]
Abstract
A simple way to reduce pesticides in cereal grains is to use washing methods. The challenge of this study was to evaluate the effectiveness of reduction of 3 triazole fungicides (difenoconazole, tebuconazole, tetraconazole) and 3 pyrethroid insecticides (beta-cyfluthrin, cypermethrin, deltamethrin) commonly used in wheat protection. Four different pre-washing methods (hot and cold water washing, twice water, and ultrasound-supported washing) were evaluated. The processing factor (PF) was calculated based on the concentration of pesticides determined by LC-MS/MS in the samples of cereal grains before and after the washing process. PFs were within the range 0.01-0.97. Time, teperature and ultrasound were factors influencing the efficiency of water treatment. The study showed that ultrasound-supported washing eliminated pesticide residues to a greater extent than ordinary washing. This process significantly affected or completely reduced concentrations of triazoles in wheat grains. The highest reduction of residues (99%) was received for tebuconazole and ultrasound washing with heating temperature of 60 °C for a total of 10 min. In all washing processes, pyrethroids were removed with lower efficiency than triazoles. The lowest residue reduction was obtained for cypermethrin and washing under cold water for 5 min (3%; PF = 0.97). Beta-Cyfluthrin showed only a 6-27% reduction regardless of the process (PF: 0.73-0.95). Using static analysis, the relationship between the properties of pesticides and the reduction of their concentration in cereals was clarified and showed a strong correlation.
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Affiliation(s)
- Izabela Hrynko
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Chelmonskiego 22, 15-195, Bialystok, Poland.
| | - Piotr Kaczyński
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Chelmonskiego 22, 15-195, Bialystok, Poland
| | - Stanisław Łuniewski
- The Uniwersity of Finance and Management, Ciepla 40, 15-472, Bialystok, Poland
| | - Bożena Łozowicka
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Chelmonskiego 22, 15-195, Bialystok, Poland
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131
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Leite FF, de Sousa NF, de Oliveira BHM, Duarte GD, Ferreira MDL, Scotti MT, Filho JMB, Rodrigues LC, de Moura RO, Mendonça-Junior FJB, Scotti L. Anticancer Activity of Chalcones and Its Derivatives: Review and In Silico Studies. Molecules 2023; 28:molecules28104009. [PMID: 37241750 DOI: 10.3390/molecules28104009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/29/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
Chalcones are direct precursors in the biosynthesis of flavonoids. They have an α,β-unsaturated carbonyl system which gives them broad biological properties. Among the biological properties exerted by chalcones, their ability to suppress tumors stands out, in addition to their low toxicity. In this perspective, the present work explores the role of natural and synthetic chalcones and their anticancer activity in vitro reported in the last four years from 2019 to 2023. Moreover, we carried out a partial least square (PLS) analysis of the biologic data reported for colon adenocarcinoma lineage HCT-116. Information was obtained from the Web of Science database. Our in silico analysis identified that the presence of polar radicals such as hydroxyl and methoxyl contributed to the anticancer activity of chalcones derivatives. We hope that the data presented in this work will help researchers to develop effective drugs to inhibit colon adenocarcinoma in future works.
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Affiliation(s)
- Fernando Ferreira Leite
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Natália Ferreira de Sousa
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Bruno Hanrry Melo de Oliveira
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Gabrielly Diniz Duarte
- Post-Graduate Program in Development and Innovation of Drugs and Medicines, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Maria Denise Leite Ferreira
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Marcus Tullius Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - José Maria Barbosa Filho
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Luís Cezar Rodrigues
- Post-Graduate Program in Development and Innovation of Drugs and Medicines, Federal University of Paraíba, João Pessoa 58051-900, Brazil
| | - Ricardo Olímpio de Moura
- Post-Graduate Program in Pharmaceuticals Sciences Paraiba State University, Campina Grande 58429-500, Brazil
| | | | - Luciana Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, João Pessoa 58051-900, Brazil
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132
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Leite Dias S, Garibay-Hernández A, Brendel FL, Gabriel Chavez B, Brückner E, Mock HP, Franke J, D’Auria JC. A New Fluorescence Detection Method for Tryptophan- and Tyrosine-Derived Allelopathic Compounds in Barley and Lupin. PLANTS (BASEL, SWITZERLAND) 2023; 12:1930. [PMID: 37653847 PMCID: PMC10222917 DOI: 10.3390/plants12101930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 04/25/2023] [Accepted: 05/04/2023] [Indexed: 09/02/2023]
Abstract
Barley (Hordeum vulgare) is one of the most widely cultivated crops for feedstock and beer production, whereas lupins (Lupinus spp.) are grown as fodder and their seeds are a source of protein. Both species produce the allelopathic alkaloids gramine and hordenine. These plant-specialized metabolites may be of economic interest for crop protection, depending on their tissue distribution. However, in high concentrations they pose a health risk to humans and animals that feed on them. This study was carried out to develop and validate a new method for monitoring these alkaloids and their related metabolites using fluorescence detection. Separation was performed on an HSS T3 column using slightly acidified water-acetonitrile eluents. Calibration plots expressed linearity over the range 0.09-100 pmol/µL for gramine. The accuracy and precision ranged from 97.8 to 123.4%, <7% RSD. The method was successfully applied in a study of the natural range of abundance of gramine, hordenine and their related metabolites, AMI, tryptophan and tyramine, in 22 barley accessions and 10 lupin species. This method provides accurate and highly sensitive chromatographic separation and detection of tryptophan- and tyrosine-derived allelochemicals and is an accessible alternative to LC-MS techniques for routine screening.
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Affiliation(s)
- Sara Leite Dias
- Department of Molecular Genetics, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
| | - Adriana Garibay-Hernández
- Department of Physiology and Cell Biology, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
| | - Fabian Leon Brendel
- Department of Molecular Genetics, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
| | - Benjamin Gabriel Chavez
- Department of Molecular Genetics, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
| | - Elena Brückner
- Department of Molecular Genetics, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
- Department of Physiology and Cell Biology, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
| | - Hans-Peter Mock
- Department of Physiology and Cell Biology, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
| | - Jakob Franke
- Institute of Botany, Leibniz University Hannover, 30419 Hannover, Germany
| | - John Charles D’Auria
- Department of Molecular Genetics, Leibniz Institute for Plant Genetics and Crop Plant Research (IPK), 06466 Gatersleben, Germany
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133
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Villanueva ME, Salinas SR, Vico RV, Bianco ID. Surface characterization and interfacial activity of chitinase chi18-5 against chitosan in langmuir monolayers. Colloids Surf B Biointerfaces 2023; 227:113337. [PMID: 37167692 DOI: 10.1016/j.colsurfb.2023.113337] [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: 03/04/2023] [Revised: 04/26/2023] [Accepted: 05/06/2023] [Indexed: 05/13/2023]
Abstract
One of the challenges for producing active chitinase formulations relies on the gap between the laboratory tests and the biological scenarios where the enzyme will perform its function. In this work, we have employed different Langmuir monolayer arrays to evaluate the interfacial behavior of a recently purified recombinant chitinase, Chi18-5. We have demonstrated that two conformations exist for the chitinase at pH values close to its pI, showing very distinct structural properties at the air/aqueous interface. Enzyme activity was assessed by implementing different kinetic approaches and using a chitosan-1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC) mixed film as organized substrate model membrane. Combining these strategies, we demonstrated that better catalytic efficiencies can be obtained for Chi18-5 at pH 5. Moreover, the chitinase activity at the air/aqueous interface can be tuned by introducing in situ pH modifications over the surrounding milieu. We also studied the changes in the topography at the mesoscale level using Brewster Angle Microscopy (BAM). We found that Chi18-5 segregated onto the chitosan domains of the membrane, showing differences in homogeneity depending on the pH imposed. Alternatively, pure Chi18-5 was tested for immobilization onto a hydrophilic activated solid support using the Langmuir-Blodgett technique. Atomic Force Microscopy (AFM) analyses showed successfully stabilization and preservation of molecular features attributed to the pH at which the enzyme deposition was performed.
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Affiliation(s)
- M E Villanueva
- Centro de Investigaciones en Química Biológica de Córdoba (CIQUIBIC), CONICET, Departamento de Química Biológica Ranwel Caputto, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - S R Salinas
- Centro de Excelencia en Productos y Procesos de Córdoba (CEPROCOR), CONICET, Córdoba, Argentina
| | - R V Vico
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC-UNC-CONICET), Departamento de Química Orgánica. Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - I D Bianco
- Centro de Excelencia en Productos y Procesos de Córdoba (CEPROCOR), CONICET, Córdoba, Argentina; Universidad Nacional de La Rioja, Departamento de Ciencias Exactas, Físicas y Naturales, La Rioja, Argentina.
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134
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Li W, Long Y, Yin X, Wang W, Zhang R, Mo F, Zhang Z, Chen T, Chen J, Wang B, Chen X. Antifungal activity and mechanism of tetramycin against Alternaria alternata, the soft rot causing fungi in kiwifruit. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 192:105409. [PMID: 37105636 DOI: 10.1016/j.pestbp.2023.105409] [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: 02/08/2023] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 06/19/2023]
Abstract
Kiwifruit rot caused by the fungus Alternaria alternata occurs in many countries, leading to considerable losses during kiwifruit production. In this study, we evaluated the antifungal activity and mechanism of tetramycin against kiwifruit soft rot caused by Alternaria alternata. Tetramycin exerted antifungal effects through the suppression of mycelial growth, conidial germination, and the pathogenicity of A. alternata. Scanning electron microscopic observations revealed that tetramycin destroyed the mycelial structure, causing the mycelia to twist, shrink, and even break. Furthermore, transmission electron microscopy revealed that tetramycin caused severe plasmolysis and a decrease in cell inclusions, and the cell wall appeared thinner with blurred boundaries. In addition, tetramycin destroyed cell membrane integrity, resulting in the leakage of cellular components such as nucleic acids and proteins in mycelial suspensions. Moreover, tetramycin also caused cell wall lysis by enhancing the activities of chitinase and β-1,3-glucanase and inducing the overexpression of related chitinase gene (Chit) and β-1,3-glucanase gene (β-1,3-glu) in A. alternata. In field trials, tetramycin not only decreased the incidence of kiwifruit rot but also create a beneficial living space for kiwifruit growth. Overall, this study indicated that the application of tetramycin could serve as an alternative measure for the management of kiwifruit rot.
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Affiliation(s)
- Wenzhi Li
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Youhua Long
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China; Teaching Experiment Farm, Guizhou University, Guiyang 550025, China.
| | - Xianhui Yin
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Weizhen Wang
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Rongquan Zhang
- Management Committee of Eastern Agricultural Industrial Park of Shuicheng County, Liupanshui 553000, China
| | - Feixu Mo
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Zhuzhu Zhang
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China.
| | - Tingting Chen
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Jia Chen
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Bingce Wang
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Xuetang Chen
- Research Center for Engineering Technology of Kiwifruit, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, 550025, China
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135
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Su M, Bao R, Wu Y, Gao B, Xiao P, Li W. Diafenthiuron causes developmental toxicity in zebrafish (Danio rerio). CHEMOSPHERE 2023; 323:138253. [PMID: 36849025 DOI: 10.1016/j.chemosphere.2023.138253] [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: 12/15/2022] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Diafenthiuron, a broad-spectrum insecticide and acaricide used for agricultural crop protection, is highly toxic to nontarget organisms. However, the developmental toxicity of diafenthiuron and its underlying mechanisms are not fully understood. Thus, the purpose of this study was to investigate the developmental toxicity of diafenthiuron in zebrafish. Zebrafish embryos were exposed to diafenthiuron at different concentrations (0.01, 0.1, and 1 μM) from 3 to 120 h post fertilization (hpf). Diafenthiuron exposure significantly shortened the body lengths of zebrafish larvae and significantly decreased superoxide dismutase activity. It also downregulated the spatiotemporal expression of pomc and prl, marker genes involved in pituitary development. Moreover, diafenthiuron exposure downregulated the spatiotemporal expression of liver-specific marker, fabp10a, and inhibited the development of the liver, a detoxification organ. In conclusion, our data provide evidence of the developmental toxicity and hepatotoxicity of diafenthiuron in aquatic organisms, and they are instrumental for further environmental risk assessment of diafenthiuron in aquatic ecosystems.
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Affiliation(s)
- Menglan Su
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, School of Biomedical Sciences, Huaqiao University, Xiamen, 361021, PR China
| | - Rongkai Bao
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, School of Biomedical Sciences, Huaqiao University, Xiamen, 361021, PR China
| | - Yaqing Wu
- Instrumental Analysis Center of Huaqiao University, Xiamen, 361021, PR China
| | - Bo Gao
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, School of Biomedical Sciences, Huaqiao University, Xiamen, 361021, PR China
| | - Peng Xiao
- National and Local Joint Engineering Research Center for Ecological Treatment Technology of Urban Water Pollution, Zhejiang Provincial Key Lab for Water Environment and Marine Biological Resources Protection, Institute for Eco-environmental Research of Sanyang Wetland, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, PR China.
| | - Wenhua Li
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, School of Biomedical Sciences, Huaqiao University, Xiamen, 361021, PR China.
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136
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Cho HH, Jung DH, Heo JH, Lee CY, Jeong SY, Lee JH. Gold Nanoparticles as Exquisite Colorimetric Transducers for Water Pollutant Detection. ACS APPLIED MATERIALS & INTERFACES 2023; 15:19785-19806. [PMID: 37067786 DOI: 10.1021/acsami.3c00627] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Gold nanoparticles (AuNPs) are useful nanomaterials as transducers for colorimetric sensors because of their high extinction coefficient and ability to change color depending on aggregation status. Therefore, over the past few decades, AuNP-based colorimetric sensors have been widely applied in several environmental and biological applications, including the detection of water pollutants. According to various studies, water pollutants are classified into heavy metals or cationic metal ions, toxins, and pesticides. Notably, many researchers have been interested in AuNP that detect water pollutants with high sensitivity and selectivity, while offering no adverse environmental issues in terms of AuNP use. This review provides a representative overview of AuNP-based colorimetric sensors for detecting several water pollutants. In particular, we emphasize the advantages of AuNP as colorimetric transducers for water pollutant detection in terms of their low toxicity, high stability, facile processability, and unique optical properties. Next, we discuss the status quo and future prospects of AuNP-based colorimetric sensors for the detection of water pollutants. We believe that this review will promote research and development of AuNP as next-generation colorimetric transducers for water pollutant detection.
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Affiliation(s)
- Hui Hun Cho
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Research Center for Advanced Materials Technology (RCAMT), Core Research Institute (CRI), Suwon 16419, Republic of Korea
| | - Do Hyeon Jung
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Jun Hyuk Heo
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Research Center for Advanced Materials Technology (RCAMT), Core Research Institute (CRI), Suwon 16419, Republic of Korea
| | - Chae Yeon Lee
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Sang Yun Jeong
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Jung Heon Lee
- School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Research Center for Advanced Materials Technology (RCAMT), Core Research Institute (CRI), Suwon 16419, Republic of Korea
- Department of Metabiohealth, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
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137
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Li J, Ye J, Zhou R, Gui K, Li J, Feng J, Ma Z, Lei P, Gao Y. Systematic Study on Turpentine-Derived Amides from Natural Plant Monoterpenes as Potential Antifungal Candidates. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5507-5515. [PMID: 36988236 DOI: 10.1021/acs.jafc.3c00314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
To overcome the high volatility, low aqueous solubility, and few definite action sites of monoterpenoid pesticides and improve their properties and effectiveness in the control of crop pathogenic fungi, herein, a series of natural turpentine-based amide derivatives exhibiting satisfactory antifungal activity were designed and synthesized. A systematic study was conducted on antifungal activity and the physiological and biochemical response of compounds 5o (EC50 = 1.139 μg/mL) and 5j (EC50 = 1.762 μg/mL) against Rhizoctonia solani. The effect of the target compound on the potential target-site succinate dehydrogenase was evaluated. The soluble concentrates of compounds 5o and 5j possessing good performance and control effects were prepared for practical application. To conduct a comprehensive analysis of the relationship between structural descriptors and activity, four representative title compounds were selected for theoretical calculation: 5o, 5j, 5k, and 5j. The binding mode of compound 5o and boscalid with succinate dehydrogenase was analyzed via molecular docking. This study provides a reference for the development of monoterpene pesticides with high efficiency, elucidated target sites, and the appropriate formula.
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Affiliation(s)
- Jiening Li
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
| | - Jiuhui Ye
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
| | - Rui Zhou
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
| | - Kuo Gui
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
| | - Jian Li
- Jiangsu Province Key Laboratory of Biomass Energy and Materials, College of Forestry, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
- International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, People's Republic of China
| | - Juntao Feng
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
| | - Zhiqing Ma
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
| | - Peng Lei
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
| | - Yanqing Gao
- College of Plant Protection, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, People's Republic of China
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138
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Cheng Z, Hou Z, Han H, Yu X, Li J, Zhao Q, Zhang N, Lu Z. Adsorption, mobility, and degradation of the pesticide propaquizafop in five agricultural soils in China. Sci Rep 2023; 13:5814. [PMID: 37037846 PMCID: PMC10086030 DOI: 10.1038/s41598-023-32771-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 04/02/2023] [Indexed: 04/12/2023] Open
Abstract
Propaquizafop is a fatty acid synthetic herbicide used to control annual and perennial grasses. To understand the potential environmental risks of propaquizafop to crops and food safety, the adsorption, mobility, and degradation of propaquizafop in five different soils were studied. At an initial concentration of 5 mg L-1 propaquizafop, its adsorption equilibrium was reached within 24 h, and the adsorption rates were between 46.98 and 57.76%. The Elovich kinetic model provided the best fit for the kinetic model, with R2 values between 0.9882 and 0.9940. For the isothermal adsorption tests, the Freundlich model was used to better fit the adsorption characteristics of propaquizafop in different soils, with R2 values between 0.9748 and 0.9885. Increasing the concentration of Ca2+ was beneficial for propaquizafop adsorption. In the soil thin-layer chromatography tests, the Rf of propaquizafop in the five soil samples ranged from 0.076 to 0.123. The results of the soil column leaching tests showed that propaquizafop did not migrate in the five soil columns; it was not detected in the leachate of each soil column, and propaquizafop in the soil columns only existed in the 0-5 cm soil layer. The results of soil thin-layer chromatography and soil column leaching tests showed that propaquizafop is a pesticide with a weak migration ability. Under the same environmental conditions, the degradation rate of propaquizafop in different soils followed the order LF fluvo-aquic soil (T1/2 = 1.41 d) > CS red loam (T1/2 = 2.76 d) > SX paddy soil (T1/2 = 3.52 d) > CC black soil (T1/2 = 5.74 d) > BS ginseng soil (T1/2 = 7.75 d). Considering the effects of soil moisture, incubation temperature, and microorganisms on propaquizafop degradation in the soil, temperature was found to have the greatest influence on its degradation rate.
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Affiliation(s)
- Zhijia Cheng
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Zhiguang Hou
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China.
| | - Hongbo Han
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Xiaolong Yu
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Jiaxin Li
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Qinghui Zhao
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Ning Zhang
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China
| | - Zhongbin Lu
- College of Plant Protection, Jilin Agricultural University, Changchun, 130118, China.
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139
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Wang K, Wang B, Ma H, Wang Z, Liu Y, Wang Q. Natural Products for Pesticides Discovery: Structural Diversity Derivation and Biological Activities of Naphthoquinones Plumbagin and Juglone. Molecules 2023; 28:molecules28083328. [PMID: 37110562 PMCID: PMC10141837 DOI: 10.3390/molecules28083328] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/06/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Plant diseases and insect pests seriously affect the yield and quality of crops and are difficult to control. Natural products are an important source for the discovery of new pesticides. In this work, naphthoquinones plumbagin and juglone were selected as parent structures, and a series of their derivatives were designed, synthesized and evaluated for their fungicidal activities, antiviral activities and insecticidal activities. We found that the naphthoquinones have broad-spectrum anti-fungal activities against 14 types of fungus for the first time. Some of the naphthoquinones showed higher fungicidal activities than pyrimethanil. Compounds I, I-1e and II-1a emerged as new anti-fungal lead compounds with excellent fungicidal activities (EC50 values: 11.35-17.70 µg/mL) against Cercospora, arachidicola Hori. Some compounds also displayed good to excellent antiviral activities against the tobacco mosaic virus (TMV). Compounds I-1f and II-1f showed similar level of anti-TMV activities with ribavirin, and could be used as new antiviral candidates. These compound also exhibited good to excellent insecticidal activities. Compounds II-1d and III-1c displayed a similar level of insecticidal activities with matrine, hexaflumuron and rotenone against Plutella xylostella. In current study, plumbagin and juglone were discovered as parent structures, which lays a foundation for their application in plant protection.
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Affiliation(s)
- Kaihua Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Beibei Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Henan Ma
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Ziwen Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
| | - Yuxiu Liu
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
| | - Qingmin Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China
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140
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Rauchman SH, Locke B, Albert J, De Leon J, Peltier MR, Reiss AB. Toxic External Exposure Leading to Ocular Surface Injury. Vision (Basel) 2023; 7:vision7020032. [PMID: 37092465 PMCID: PMC10123707 DOI: 10.3390/vision7020032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/30/2023] [Accepted: 04/01/2023] [Indexed: 04/07/2023] Open
Abstract
The surface of the eye is directly exposed to the external environment, protected only by a thin tear film, and may therefore be damaged by contact with ambient particulate matter, liquids, aerosols, or vapors. In the workplace or home, the eye is subject to accidental or incidental exposure to cleaning products and pesticides. Organic matter may enter the eye and cause infection. Ocular surface damage can trigger a range of symptoms such as itch, discharge, hyperemia, photophobia, blurred vision, and foreign body sensation. Toxin exposure can be assessed clinically in multiple ways, including via measurement of tear production, slit-lamp examination, corneal staining, and conjunctival staining. At the cellular level, environmental toxins can cause oxidative damage, apoptosis of corneal and conjunctival cells, cell senescence, and impaired motility. Outcomes range from transient and reversible with complete healing to severe and sight-compromising structural changes. Classically, evaluation of tolerance and safety was carried out using live animal testing; however, new in vitro and computer-based, in silico modes are superseding the gold standard Draize test. This review examines how environmental features such as pollutants, temperature, and seasonality affect the ocular surface. Chemical burns to the eye are considered, and approaches to protect the ocular surface are detailed.
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Affiliation(s)
| | - Brandon Locke
- Department of Medicine and Biomedical Research Institute, NYU Long Island School of Medicine, Mineola, NY 11501, USA
| | - Jacqueline Albert
- Department of Medicine and Biomedical Research Institute, NYU Long Island School of Medicine, Mineola, NY 11501, USA
| | - Joshua De Leon
- Department of Medicine and Biomedical Research Institute, NYU Long Island School of Medicine, Mineola, NY 11501, USA
| | - Morgan R. Peltier
- Department of Psychiatry and Behavioral Health, Jersey Shore University Medical Center, Neptune, NJ 07753, USA
| | - Allison B. Reiss
- Department of Medicine and Biomedical Research Institute, NYU Long Island School of Medicine, Mineola, NY 11501, USA
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141
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Gong Y, Li T, Xiu X, Desneux N, Hou M. Lack of Known Target-Site Mutations in Field Populations of Ostrinia furnacalis in China from 2019 to 2021. TOXICS 2023; 11:332. [PMID: 37112559 PMCID: PMC10146737 DOI: 10.3390/toxics11040332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
The Asian corn borer, Ostrinia furnacalis (Guenée) (Lepidoptera; Pyralidae), is one of the most destructive insect pests of corn, for which chemical insecticides have been the primary method of control, especially during outbreaks. Little information is currently available on the status of insecticide resistance and associated mechanisms in O. furnacalis field populations. Invasions and outbreaks of Spodoptera frugiperda in China in recent years have increased chemical application in corn fields, which adds to the selection pressure on O. furnacalis. This study was conducted to estimate the risk of insecticide resistance by investigating the frequency of insecticide resistant alleles associated with target site insensitivity in field populations of O. furnacalis. Using the individual-PCR genotype sequencing analysis, none of the six target-site insecticide resistant mutations were detected in O. furnacalis field populations collected from 2019 to 2021 in China. These investigated insecticide resistance alleles are common in resistant Lepidoptra pests and are responsible for resistance to pyrethroids, organophosphorus, carbamates, diamide, and Cry1Ab. Our results support the low insecticide resistance status in field O. furnacalis populations and betokens the unlikely development of high resistance mediated by the common target-site resistance alleles. Additionally, the findings would serve as references for further efforts toward the sustainable management of O. furnacalis.
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Affiliation(s)
- Youhui Gong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Ting Li
- Department of Biological Sciences, Alabama State University, Montgomery, AL 36104, USA
| | - Xiaojian Xiu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Nicolas Desneux
- Université Côte d’Azur, INRAE, CNRS, UMR ISA, 06000 Nice, France
| | - Maolin Hou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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142
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Kumar Sharma S. The Importance of Organocatalysis (Asymmetric and Non‐Asymmetric) in Agrochemicals. ChemistrySelect 2023. [DOI: 10.1002/slct.202300204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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143
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Macar O, Kalefetoğlu Macar T, Çavuşoğlu K, Yalçın E, Acar A. Assessing the combined toxic effects of metaldehyde mollucide. Sci Rep 2023; 13:4888. [PMID: 36966255 PMCID: PMC10039924 DOI: 10.1038/s41598-023-32183-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 03/23/2023] [Indexed: 03/27/2023] Open
Abstract
The excessive use of metaldehyde in agriculture to combat mollusks endangers both the environment and non-target organisms. The aim of this study is to investigate the toxicity caused by metaldehyde in Allium cepa with the help of physiological, cytogenetic, biochemical and anatomical parameters. Also, DNA fragmentation caused by metaldehyde in root tip cells was measured by the "Comet Assay" method. The control group was germinated with tap water and the application groups were germinated with 20 mg/L metaldehyde, 40 mg/L metaldehyde, 100 mg/L metaldehyde and 200 mg/L metaldehyde for 72 h. The results of the physiological parameters showed that metaldehyde had a growth-limiting effect in A. cepa, depending on the application dose. According to root elongation levels, the EC50 (effective concentration) value for metaldehyde was 60.6 mg/L in A. cepa. As the treatment dose increased, the incidence of micronucleus and chromosomal aberrations gradually increased while mitotic index decreased. Metaldehyde exposure induced damages such as sticky chromosome, fragment, unequal distribution of chromatin, reverse polarization, bridge, and multipolar anaphase. In addition, metaldehyde caused cell damage in epidermis and cortex, thickening of the cortex cell wall and flattened cell nucleus in root meristem. Increasing doses of metaldehyde application also increased malondialdehyde levels, superoxide dismutase and catalase activities. As a result, it has been determined that the toxicity of metaldehyde in plants is versatile and the A. cepa test material is a suitable biological indicator to determine this toxicity.
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Affiliation(s)
- Oksal Macar
- Department of Food Technology, Şebinkarahisar School of Applied Sciences, Giresun University, Giresun, Turkey.
| | - Tuğçe Kalefetoğlu Macar
- Department of Food Technology, Şebinkarahisar School of Applied Sciences, Giresun University, Giresun, Turkey
| | - Kültiğin Çavuşoğlu
- Faculty of Science and Art, Department of Biology, Giresun University, Giresun, Turkey
| | - Emine Yalçın
- Faculty of Science and Art, Department of Biology, Giresun University, Giresun, Turkey
| | - Ali Acar
- Department of Medical Services and Techniques, Vocational School of Health Services, Giresun University, Giresun, Turkey
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144
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Sohail M, Musstjab Akber Shah Eqani SA, Ilyas S, Bokhari H, Ali N, Podgorski JE, Muhammad S, Adelman D, Lohmann R. Gaseous and soil OCPs and PCBs along the Indus River, Pakistan: spatial patterns and air-soil gradients. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2023; 25:531-541. [PMID: 36661269 DOI: 10.1039/d2em00363e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This study presents first-hand information on the occurrence of persistent organic pollutants (POPs) in the ambient air and surface soil along the Indus flood-plain, Pakistan. The sampling campaign was conducted at 15 site locations during 2014-15, along the Indus River (approximately 1300 km). Composite surface soil samples (N = 15) and passive air samples (N = 15) were collected for the estimation of gaseous POPs as well as air-soil exchange to evaluate the POP emission and distribution or dispersion patterns, source tracking, and contribution of the local and regional sources towards POP accumulation in the Indus River system. Among the studied POPs, levels of DDTs and PCBs were noticeably higher in ambient air (50-560 and 10-1100 pg m-3) and in soil (0.20-350 and 1.40-20 ng g-1), respectively. Regarding the spatial patterns, higher DDT concentrations (ng g-1) were detected in the air and soil samples collected from the wet mountain zone (WMZ) (p < 0.05), followed by the alluvial riverine zone (ARZ), low-lying mountain zone (LLZ), and frozen mountain zone (FMZ). The PCB data did not exhibit significant differences (p > 0.05) for the air samples, while PCB concentrations were significantly higher (p < 0.05) in soil from the LLZ, which may be associated with rapid urbanization and industrial activities in this area. The air-soil exchange of DDTs and PCBs showed net volatilization at most of the studied sites except for a few samples from the FMZ and WMZ. Results of this study about air-soil exchange gradients indicate the long range regional atmospheric transport (LRAT) of POPs to the colder areas (FMZ) of Pakistan, where these act as a secondary source of POPs in these areas.
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Affiliation(s)
- Muhammad Sohail
- Department of Biosciences, COMSATS University Islamabad, Pakistan.
- Department of Zoology, University of Central Punjab, Sargodha Campus, Lahore, Pakistan.
| | | | - Shazia Ilyas
- Department of Environmental Sciences, Forman Christian College (A Chartered University), Lahore, Pakistan
| | - Habib Bokhari
- Department of Microbiology, Kohsar University Murree, Punjab, Pakistan
| | - Nadeem Ali
- Centre of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Joel E Podgorski
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-8600 Dübendorf, Switzerland
| | - Shafi Muhammad
- Department of Biosciences, COMSATS University Islamabad, Pakistan.
| | - Dave Adelman
- Graduate School of Oceanography, University of Rhode Island, 215 South Ferry Road, Narragansett, Rhode Island 02882, USA
| | - Rainer Lohmann
- Graduate School of Oceanography, University of Rhode Island, 215 South Ferry Road, Narragansett, Rhode Island 02882, USA
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145
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Molina G, Laino A, Arrighetti F, Lacava M, Romero S, Mijailovsky S, Garcia CF. Effect of the Insecticide Chlorpyrifos on Behavioral and Metabolic Aspects of the Spider Polybetes pythagoricus. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:1293-1308. [PMID: 36919993 DOI: 10.1002/etc.5607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/09/2023] [Accepted: 03/13/2023] [Indexed: 05/09/2023]
Abstract
The toxicity of pesticides to organisms depends on the total amount of chemical exposure. Toxicity can be minimized if the organism recognizes the pesticide and alters its behavior. Furthermore, the physical barrier of cuticular hydrocarbons can prevent the entrance of the pesticide into the organism. Finally, if the pesticide enters the body, the organism experiences physiological changes favoring detoxification and the maintenance of homeostasis. We analyzed the behavioral and metabolic response of the spider Polybetes pythagoricus at different times of exposure to the organophosphate pesticide chlorpyrifos. First we observed that the individuals are capable of recognizing and avoiding surfaces treated with pesticides based on a behavioral analysis. Subsequently, we characterized cuticular hydrocarbons as a possible barrier against pesticides. Then we observed that the pesticide provoked histological damage, mainly at the level of the midgut diverticula. Finally, we analyzed the activity of several of the spider's enzymes linked to oxidative stress after exposure to chlorpyrifos for different lengths of time (6, 24, and 48 h). We observed that catalase activity was high at the start, whereas the activity of superoxide dismutase and glutathione S-transferase changed significantly at 48 h. Lipid peroxidation became high at 6 h, but decreased at 48 h. In conclusion, although P. pythagoricus can avoid contact with chlorpyrifos, this pesticide causes activation of the antioxidant system when it enters the body. Our results make a significant contribution to the ecotoxicology of spiders. Environ Toxicol Chem 2023;00:1-16. © 2023 SETAC.
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Affiliation(s)
- Gabriel Molina
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner,", La Plata, Argentina
| | - Aldana Laino
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner,", La Plata, Argentina
| | - Florencia Arrighetti
- Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Consejo National de Investigaciones Cientificas y Téchnicas, Buenos Aires, Argentina
| | - Mariangeles Lacava
- Centro Universitario de Rivera, Universidad de La República, Rivera, Uruguay
| | - Sofia Romero
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner,", La Plata, Argentina
| | - Sergio Mijailovsky
- 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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146
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Aidoo OF, Souza PGC, Silva RS, Júnior PAS, Picanço MC, Heve WK, Duker RQ, Ablormeti FK, Sétamou M, Borgemeister C. Modeling climate change impacts on potential global distribution of Tamarixia radiata Waterston (Hymenoptera: Eulophidae). THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 864:160962. [PMID: 36565865 DOI: 10.1016/j.scitotenv.2022.160962] [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: 06/15/2022] [Revised: 12/08/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
The Asian citrus psyllid (ACP), Diaphorina citri Kuwayama (Hemiptera: Liviidae), is an efficient vector of "Candidatus Liberibacter" species, the causative agents implicated in citrus greening or huanglongbing (HLB). HLB is the most devastating citrus disease and has killed millions of citrus trees worldwide. Classical biological control using Tamarixia radiata Waterston (Hymenoptera: Eulophidae) against ACP has been successful in some regions. Climatic conditions are critical in determining suitable areas for the geographical distribution of T. radiata. However, paucity of information on climate change impacts on the global spread of T. radiata restricts international efforts to manage ACP with T. radiata. We investigated the potential global distribution of T. radiata using 317 native and non-native occurrence records and 20 environmental data sets (with correlation coefficients (|r| > 0.7)). Using the Maximum Entropy model, these data were analyzed for two shared socioeconomic pathways (SSPs) and two time periods (2030s and 2050s). We showed that habitat suitability for T. radiata occurred in all continents except Antarctica. However, the highly suitable areas for T. radiata were found in parts of the Americas, Asia, Africa and Oceania. The climate suitable areas would increase until the 2050s. The predictions showed that mean temperature of coldest quarter and precipitation of warmest quarter were the most important environmental variables that influenced the distribution of T. radiata. The model reliably predicted habitat suitability for T. radiata, which can be adapted in classical biological control programs to effectively manage ACP in an environmentally friendly manner.
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Affiliation(s)
- Owusu F Aidoo
- Department of Biological, Physical and Mathematical Sciences, School of Natural and Environmental Sciences, University of Environment and Sustainable Development, PMB, Somanya, E/R, Ghana
| | - Philipe G C Souza
- Department of Agronomy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil
| | - Ricardo S Silva
- Department of Agronomy, Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, MG 39100-000, Brazil.
| | - Paulo A S Júnior
- Department of Entomology, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, Viçosa, MG 36570-900, Brazil
| | - Marcelo C Picanço
- Department of Entomology, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, Viçosa, MG 36570-900, Brazil
| | - William K Heve
- Department of Biological, Physical and Mathematical Sciences, School of Natural and Environmental Sciences, University of Environment and Sustainable Development, PMB, Somanya, E/R, Ghana
| | - Rahmat Q Duker
- Department of Biological, Physical and Mathematical Sciences, School of Natural and Environmental Sciences, University of Environment and Sustainable Development, PMB, Somanya, E/R, Ghana
| | - Fred K Ablormeti
- Council for Scientific and Industrial Research (CSIR), P. O. Box 245, Sekondi, W/R, Ghana
| | - Mamoudou Sétamou
- Citrus Center, Texas A & M University-Kingsville, 312 N. International Blvd., Weslaco, TX 78599, USA
| | - Christian Borgemeister
- Centre for Development Research (ZEF), University of Bonn, Genscherallee 3, 53113 Bonn, Germany
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147
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Obasekore H, Fanni M, Ahmed SM, Parque V, Kang BY. Agricultural Robot-Centered Recognition of Early-Developmental Pest Stage Based on Deep Learning: A Case Study on Fall Armyworm ( Spodoptera frugiperda). SENSORS (BASEL, SWITZERLAND) 2023; 23:3147. [PMID: 36991858 PMCID: PMC10056802 DOI: 10.3390/s23063147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/23/2023] [Accepted: 03/06/2023] [Indexed: 06/19/2023]
Abstract
Accurately detecting early developmental stages of insect pests (larvae) from off-the-shelf stereo camera sensor data using deep learning holds several benefits for farmers, from simple robot configuration to early neutralization of this less agile but more disastrous stage. Machine vision technology has advanced from bulk spraying to precise dosage to directly rubbing on the infected crops. However, these solutions primarily focus on adult pests and post-infestation stages. This study suggested using a front-pointing red-green-blue (RGB) stereo camera mounted on a robot to identify pest larvae using deep learning. The camera feeds data into our deep-learning algorithms experimented on eight ImageNet pre-trained models. The combination of the insect classifier and the detector replicates the peripheral and foveal line-of-sight vision on our custom pest larvae dataset, respectively. This enables a trade-off between the robot's smooth operation and localization precision in the pest captured, as it first appeared in the farsighted section. Consequently, the nearsighted part utilizes our faster region-based convolutional neural network-based pest detector to localize precisely. Simulating the employed robot dynamics using CoppeliaSim and MATLAB/SIMULINK with the deep-learning toolbox demonstrated the excellent feasibility of the proposed system. Our deep-learning classifier and detector exhibited 99% and 0.84 accuracy and a mean average precision, respectively.
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Affiliation(s)
- Hammed Obasekore
- Department of Robot and Smart System Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Mohamed Fanni
- Production Engineering and Mechanical Design Department, Mansoura University, Mansoura 35516, Egypt
- Department of Mechatronics and Robotics Engineering, Egypt-Japan University of Science and Technology, Alexandria 21934, Egypt
| | - Sabah Mohamed Ahmed
- Department of Mechatronics and Robotics Engineering, Egypt-Japan University of Science and Technology, Alexandria 21934, Egypt
- Electrical Engineering Department, Assuit University, Assuit 71515, Egypt
| | - Victor Parque
- Department of Mechatronics and Robotics Engineering, Egypt-Japan University of Science and Technology, Alexandria 21934, Egypt
- Department of Modern Mechanical Engineering, Waseda University, Tokyo 169-8050, Japan
| | - Bo-Yeong Kang
- Department of Robot and Smart System Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
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148
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Platani M, Sokefun O, Bassil E, Apidianakis Y. Genetic engineering and genome editing in plants, animals and humans: Facts and myths. Gene 2023; 856:147141. [PMID: 36574935 DOI: 10.1016/j.gene.2022.147141] [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: 03/30/2022] [Revised: 12/17/2022] [Accepted: 12/21/2022] [Indexed: 12/25/2022]
Abstract
Human history is inextricably linked to the introduction of desirable heritable traits in plants and animals. Selective breeding (SB) predates our historical period and has been practiced since the advent of agriculture and farming more than ten thousand years ago. Since the 1970s, methods of direct plant and animal genome manipulation are constantly being developed. These are collectively described as "genetic engineering" (GE). Plant GE aims to improve nutritional value, insect resistance and weed control. Animal GE has focused on livestock improvement and disease control. GE applications also involve medical improvements intended to treat human disease. The scientific consensus built around marketed products of GE organisms (GEOs) is usually well established, noting significant benefits and low risks. GEOs are exhaustively scrutinized in the EU and many non-EU countries for their effects on human health and the environment, but scrutiny should be equally applied to all previously untested organisms derived directly from nature or through selective breeding. In fact, there is no evidence to suggest that natural or selectively bred plants and animals are in principle safer to humans than GEOs. Natural and selectively bred strains evolve over time via genetic mutations that can be as risky to humans and the environment as the mutations found in GEOs. Thus, previously untested plant and animal strains aimed for marketing should be proven useful or harmful to humans only upon comparative testing, regardless of their origin. Highlighting the scientific consensus declaring significant benefits and rather manageable risks provided by equitably accessed GEOs, can mitigate negative predispositions by policy makers and the public. Accordingly, we provide an overview of the underlying technologies and the scientific consensus to help resolve popular myths about the safety and usefulness of GEOs.
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Affiliation(s)
- Maria Platani
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
| | - Owolabi Sokefun
- Department of Biological Sciences, University of Cyprus, Nicosia, Cyprus
| | - Elias Bassil
- Horticultural Sciences Department, University of Florida, Gainesville, USA
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149
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Bohari FL, Sheikh Mohd Ghazali SAI, Dzulkifli NN, Baharin SNA, Fatimah I, Poddar S. Studies on the intercalation of calcium–aluminium layered double hydroxide-MCPA and its controlled release mechanism as a potential green herbicide. OPEN CHEM 2023. [DOI: 10.1515/chem-2022-0291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
Abstract
Abstract
The intercalation of 2-methyl-4-chlorophenoxyacetic acid (MCPA) herbicide into the interlayer matrix of calcium–aluminium layered double hydroxide (CaAl LDH) host has been successfully done via the co-precipitation method to form CaAl-MCPA nanocomposite, proposing an eco-friendly alternative with an adjusted delivery system for herbicide application. The intercalation process is supported by powder X-ray diffraction analysis with an expanded interlayer spacing from 8.6 to 19.6 Å for nanocomposite pH 13, which is due to the inclusion of larger size anion in the interlayer. Next, the absence of a nitrate peak at 1,326 cm−1 and the presence of a newly formed peak at 1,416 cm−1 in the Fourier transformed infrared spectroscopy analysis also confirmed the process of the intercalation. The significant decrease in nitrogen content to 0.50% indicates the intercalation of MCPA using the carbon, hydrogen, nitrogen, sulphur analyser. The release rate of the MCPA anion in the aqueous solutions is initially rapid, followed by the slow release in the order of phosphate > carbonate > chloride and followed the pseudo-second-order kinetic model. Hence, the conducted studies exhibit the successful intercalation of the MCPA herbicide anion and its controlled release mechanism as a potential hybrid green herbicide.
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Affiliation(s)
- Farah Liyana Bohari
- Material, Inorganic, and Oloechemistry (MaterInoleo) Research Group, School of Chemistry and Environment, Faculty of Applied Sciences, Universiti Teknologi MARA Cawangan Negeri Sembilan Kampus Kuala Pilah , 72000 , Kuala Pilah , Negeri Sembilan , Malaysia
| | - Sheikh Ahmad Izaddin Sheikh Mohd Ghazali
- Material, Inorganic, and Oloechemistry (MaterInoleo) Research Group, School of Chemistry and Environment, Faculty of Applied Sciences, Universiti Teknologi MARA Cawangan Negeri Sembilan Kampus Kuala Pilah , 72000 , Kuala Pilah , Negeri Sembilan , Malaysia
| | - Nur Nadia Dzulkifli
- Material, Inorganic, and Oloechemistry (MaterInoleo) Research Group, School of Chemistry and Environment, Faculty of Applied Sciences, Universiti Teknologi MARA Cawangan Negeri Sembilan Kampus Kuala Pilah , 72000 , Kuala Pilah , Negeri Sembilan , Malaysia
| | - Siti Nor Atika Baharin
- Advanced Material for Environmental Remediation (AMER) Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA Cawangan Negeri Sembilan Kampus Kuala Pilah , 72000 , Kuala Pilah , Negeri Sembilan , Malaysia
| | - Is Fatimah
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII , J1. Kaliurang Km 14 , Sleman , Yogyakarta 55584 , Indonesia
| | - Sandeep Poddar
- Research and Innovation Division, Lincoln University College, Wisma Lincoln , 12-18, Jalan SS 6/12 Petaling Jaya , Selangor, 47301 , Malaysia
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150
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Jarvis SE, Malik VS. Healthy and Environmentally Sustainable Dietary Patterns for Type 2 Diabetes: Dietary Approaches as Co-benefits to the Overlapping Crises. J Indian Inst Sci 2023. [DOI: 10.1007/s41745-023-00358-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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