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Sathishkumar P, Elumalai P, Saravanakumar K, Ganesan AR. Prevalence and impact of herbicides/insecticides on non-target ecosystem and its mitigation strategy. ENVIRONMENTAL RESEARCH 2024; 260:119677. [PMID: 39053759 DOI: 10.1016/j.envres.2024.119677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2024] [Accepted: 07/23/2024] [Indexed: 07/27/2024]
Affiliation(s)
- Palanivel Sathishkumar
- Green Lab, Department of Prosthodontics, Saveetha Dental College and Hospital, SIMATS, Saveetha University, Chennai, 600 077, Tamil Nadu, India.
| | - Punniyakotti Elumalai
- State Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, 455000, Henan, China
| | - Kandasamy Saravanakumar
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon, 200-701, Republic of Korea
| | - Abirami Ramu Ganesan
- Division of Food Production and Society, Biomarine Resource Valorisation, Norwegian Institute of Bioeconomy Research, Torggården, Kudalsveien 6, NO-8027, Bodø, Norway
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Qonaah IA, Simon AL, Warner D, Rostron RM, Bruce TJA, Ray RV. Rapid screening for resistance to Sitobion avenae (F.) and Rhopalosiphum padi (L.) in winter wheat seedlings and selection of efficient assessment methods. PEST MANAGEMENT SCIENCE 2024. [PMID: 39425459 DOI: 10.1002/ps.8485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2024] [Revised: 09/09/2024] [Accepted: 10/01/2024] [Indexed: 10/21/2024]
Abstract
BACKGROUND Sitobion avenae (F.) and Rhopalosiphum padi (L.) are harmful pests of wheat [Triticum aestivum (L.)]. No genetic resistance against the aphids has been identified in commercial wheat varieties and resistance phenotyping can be time-consuming and laborious. Here, we tested a high-throughput phenotyping method to screen 29 commercial winter wheat varieties for alate antixenosis and antibiosis. We validated this method using comprehensive behavioural analyses, including alate attraction to volatile organic compounds (VOCs) and a feeding bioassay using an electrical penetration graph (EPG), subsequently highlighting possible sources of resistance. RESULTS We observed differences in alate behaviour upon assessing alate settlement on wheat seedlings and attraction towards VOCs, revealing the importance of visual and early post-alighting cues for alate host selection. Aphid settlement was four times higher on the most preferred variety than on the least preferred variety. Using an EPG bioassay, we identified phloem feeding and stylet derailment parameters linked to resistance. We found antibiosis assessment on detached leaves to be an inadequate screen because it produced results inconsistent with intact leaves assessment. Alate and nymph mortality were identified as key traits signifying antibiosis, showing significant positive relationships with alate reproduction and nymph mean relative growth rate. CONCLUSIONS Overall, antixenosis and antibiosis varietal responses were consistent for both aphid species. Alate settlement on wheat seedlings was a more efficient antixenosis screen than an olfactometer assay using VOCs. In addition to assessing alate and nymph survival for antibiosis, this allows for more rapid phenotyping of large numbers of genotypes to identify novel aphid resistance genes for varietal improvement. © 2024 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Ilma A Qonaah
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Sutton Bonington, UK
| | - Amma L Simon
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Sutton Bonington, UK
| | | | - Rosanna M Rostron
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Sutton Bonington, UK
| | | | - Rumiana V Ray
- Division of Plant and Crop Sciences, School of Biosciences, University of Nottingham, Sutton Bonington, UK
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Du Z, Zhang G, Yu C, Qin Y, He S, Li J, Guo L, Wan H. Characterization of CYP303A1 and its potential application based on ZIF-8 nanoparticle-wrapped dsRNA in Nilaparvata lugens (Stål). PEST MANAGEMENT SCIENCE 2024. [PMID: 39394876 DOI: 10.1002/ps.8479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2024] [Revised: 09/25/2024] [Accepted: 09/28/2024] [Indexed: 10/14/2024]
Abstract
BACKGROUND RNA interference (RNAi) technology has been put forward as a promising method for pest control and resistance management. Mining highly efficient lethal genes and constructing stable double-stranded RNA (dsRNA) delivery systems are of great significance to improve the application potential of RNAi technology. RESULTS In this study, we characterized a molting-related gene, NlCYP303A1, in Nilaparvata lugens that was highly expressed in the cuticle and at the end stages of each instar in nymphs. Silencing the expression of NlCYP303A1 in N. lugens resulted in a deformed phenotype and a significant increase in mortality. Furthermore, interfering with NlCYP303A1 changed the relative expression of key genes in the chitin synthesis and degradation pathway. Finally, we used the nanocarrier zeolitic imidazolate framework-8 (ZIF-8) to load dsNlCYP303A1, forming a complex denoted as dsNlCYP303A1@ZIF-8. The results of both feeding and rice-seedling dip experiments indicated that the expression of NlCYP303A1 was dramatically and persistently suppressed by the dsNlCYP303A1@ZIF-8 treatment, compared with treatment with dsNlCYP303A1, suggesting that ZIF-8 can enhance the interference efficiency as well as the stability of dsNlCYP303A1. CONCLUSIONS Our results demonstrate that the lethal gene NlCYP303A1 can be employed as an excellent target for RNAi technology by loading onto a nano-delivery system, and provide new insights into the creation of innovative pest control approaches. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Zuyi Du
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Guijian Zhang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Chang Yu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yao Qin
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Shun He
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Jianhong Li
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Le Guo
- Hubei Hongshan Laboratory, Wuhan, China
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Hu Wan
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
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Zhang Y, Li JN, Wang JX, Li YF, Kallenborn R, Xiao H, Cai MG, Tang ZH, Zhang ZF. High-throughput screening of 222 pesticides in road environments in a megacity of northern China: A new approach to urban population exposure. ENVIRONMENTAL RESEARCH 2024; 257:119379. [PMID: 38851374 DOI: 10.1016/j.envres.2024.119379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 05/25/2024] [Accepted: 06/06/2024] [Indexed: 06/10/2024]
Abstract
A large number of pesticides have been widely manufactured and applied, and are released into the environment with negative impact on human health. Pesticides are largely used in densely populated urban environments, in green zones, along roads and on private properties. In order to characterize the potential exposure related health effects of pesticide and their occurrence in the urban environment, 222 pesticides were screened and quantified in 228 road dust and 156 green-belt soil samples in autumn and spring from Harbin, a megacity in China, using GC-MS/MS base quantitative trace analysis. The results showed that a total of 33 pesticides were detected in road dust and green-belt soil, with the total concentrations of 650 and 236 ng/g (dry weight = dw), respectively. The concentrations of pesticides in road dust were significantly higher than that in green-belt soil. Pesticides in the environment were influenced by the seasons, with the highest concentrations of insecticides in autumn and the highest levels of herbicides in spring. In road dust, the concentrations of highways in autumn and spring (with the mean values of 94.1 and 68.2 ng/g dw) were much lower than that of the other road classes (arterial roads, sub-arterial roads and branch ways). Whereas in the green-belt soil, there was no significant difference in the concentration of pesticides between the different road classes. A first risk assessment was conducted to evaluate the potential adverse health effects of the pesticides, the results showed that the highest hazard index (HI) for a single pesticide in dust and soil was 0.12, the hazard index for children was higher than that for adults, with an overall hazard index of less than 1. Our results indicated that pesticide levels do not have a significant health impact on people.
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Affiliation(s)
- Ye Zhang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China; Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin, 150040, China
| | - Jin-Nong Li
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China; Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin, 150040, China
| | - Jian-Xin Wang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China; Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin, 150040, China
| | - Yi-Fan Li
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China; International Joint Research Center for Arctic Environment and Ecosystem (IJRC-AEE), Polar Academy, Harbin Institute of Technology, Harbin, 150090, China; IJRC-PTS-NA, Toronto, M2N 6X9, Canada
| | - Roland Kallenborn
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China; International Joint Research Center for Arctic Environment and Ecosystem (IJRC-AEE), Polar Academy, Harbin Institute of Technology, Harbin, 150090, China; Faculty of Chemistry, Biotechnology & Food Sciences (KBM), Norwegian University of Life Sciences (NMBU), Ås NO-1432, Norway
| | - Hang Xiao
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China
| | - Ming-Gang Cai
- Coastal and Ocean Management Institute, Xiamen University, Xiamen, 361102, China
| | - Zhong-Hua Tang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, 150040, China; Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin, 150040, China.
| | - Zi-Feng Zhang
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China; International Joint Research Center for Arctic Environment and Ecosystem (IJRC-AEE), Polar Academy, Harbin Institute of Technology, Harbin, 150090, China.
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Xing P, Mao R, Zhang G, Li Y, Zhou W, Diao H, Ma R. Secondary metabolites in Cordyceps javanica with insecticidal potential. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 204:106076. [PMID: 39277389 DOI: 10.1016/j.pestbp.2024.106076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/27/2024] [Accepted: 08/03/2024] [Indexed: 09/17/2024]
Abstract
Cordyceps javanica has been registered as a fungal insecticide in several countries. However, little is known about whether metabolic toxins are involved in the insecticidal process. In this research, we assessed the insecticidal activity of the fermentation broth of C. javanica. Myzus persicae mortality differed when exposed to the metabolized C. javanica broths at 3 days post fermentation (DPF) and 5 DPF. Comparison of the metabolic fluid at 3 DPF and 5 DPF revealed a key alkaloid, heteratisine, which was found to have insecticidal activity and acetylcholinesterase (AChE) inhibitory activity. Heteratisine has high insecticidal activity against adult M. persicae, the absolute 50% lethal concentration (LC50) was only 0.2272 mg/L. Heteratisine showed high inhibitory activity on AChE with the 50% maximal inhibitory concentration (IC50) of 76.69 μM. Molecular docking and dynamic simulations showed that heteratisine conjugation occurs at the peripheral anionic site (PAS) of the AChE of M. persicae, leading to suppression of enzyme activity. Heteratisine was rarely found in fungal metabolites, which helps us to understand the complex and elaborate insecticidal mechanism of C. javanica.
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Affiliation(s)
- Peixiang Xing
- College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China; State Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
| | - Ruixia Mao
- College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
| | - Guisen Zhang
- College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
| | - Yihua Li
- College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
| | - Wenwen Zhou
- College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China; State Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Taiyuan 030031, Shanxi, China
| | - Hongliang Diao
- College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China; State Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Taiyuan 030031, Shanxi, China.
| | - Ruiyan Ma
- College of Plant Protection, Shanxi Agricultural University, Taiyuan 030031, Shanxi, China; State Key Laboratory of Sustainable Dryland Agriculture (in preparation), Shanxi Agricultural University, Taiyuan 030031, Shanxi, China.
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Narayanan M, Devarayan K, Verma M, Selvaraj M, Ghramh HA, Kandasamy S. Assessing the ecological impact of pesticides/herbicides on algal communities: A comprehensive review. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 268:106851. [PMID: 38325057 DOI: 10.1016/j.aquatox.2024.106851] [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: 08/28/2023] [Revised: 01/12/2024] [Accepted: 01/25/2024] [Indexed: 02/09/2024]
Abstract
The escalating use of pesticides in agriculture for enhanced crop productivity threatens aquatic ecosystems, jeopardizing environmental integrity and human well-being. Pesticides infiltrate water bodies through runoff, chemical spills, and leachate, adversely affecting algae, vital primary producers in marine ecosystems. The repercussions cascade through higher trophic levels, underscoring the need for a comprehensive understanding of the interplay between pesticides, algae, and the broader ecosystem. Algae, susceptible to pesticides via spillage, runoff, and drift, experience disruptions in community structure and function, with certain species metabolizing and bioaccumulating these contaminants. The toxicological mechanisms vary based on the specific pesticide and algal species involved, particularly evident in herbicides' interference with photosynthetic activity in algae. Despite advancements, gaps persist in comprehending the precise toxic effects and mechanisms affecting algae and non-target species. This review consolidates information on the exposure and toxicity of diverse pesticides and herbicides to aquatic algae, elucidating underlying mechanisms. An emphasis is placed on the complex interactions between pesticides/herbicides, nutrient content, and their toxic effects on algae and microbial species. The variability in the harmful impact of a single pesticide across different algae species underscores the necessity for further research. A holistic approach considering these interactions is imperative to enhance predictions of pesticide effects in marine ecosystems. Continued research in this realm is crucial for a nuanced understanding of the repercussions of pesticides and herbicides on aquatic ecosystems, mainly algae.
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Affiliation(s)
- Mathiyazhagan Narayanan
- Center for Research and Innovation, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Science, Saveetha University, Chennai 602 105, Tamil Nadu, India.
| | - Kesavan Devarayan
- Department of Basic Sciences, College of Fisheries Engineering, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Vettar River View Campus, Nagapattinam 611 002, India
| | - Monu Verma
- Water-Energy Nexus Laboratory, Department of Environmental Engineering, University of Seoul, Seoul 02504, South Korea; Department of Food Science and Technology, Graphic Era (Deemed to be University), Dehradun 248002, Uttarakhand, India
| | - Manickam Selvaraj
- Department of Chemistry, Faculty of Science, King Khalid University, Abha 61413, Saudi Arabia
| | - Hamed A Ghramh
- Research Centre for Advanced Materials Science (RCAMS), King Khalid University, PO Box 9004, Abha 61413, Saudi Arabia
| | - Sabariswaran Kandasamy
- Department of Biotechnology, PSGR Krishnammal College for Women, Peelamedu, Coimbatore 641004, India.
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