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Chen G, Xu J, Wang J, Huang W, Liu F, Dong J, Liu B, Shi D, Cheng A, Liao H. Integrated analysis of transcriptome and metabolome revealed clomazone biodegradation in maize seedlings. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2025; 298:118302. [PMID: 40373711 DOI: 10.1016/j.ecoenv.2025.118302] [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: 08/23/2024] [Revised: 04/18/2025] [Accepted: 05/09/2025] [Indexed: 05/17/2025]
Abstract
Clomazone (CMZ) is a pesticide widely used for weed control in soybean fields. However, its persistence in the environment, including soil, surface water, and groundwater, poses potential risks to subsequent crops and human health. To evaluate the ecotoxicological impacts of CMZ residues on maize growth, a comprehensive study was conducted using integrated transcriptomic and metabolomic analyses of maize seedlings. The results showed that maize seedlings absorb CMZ through the roots and translocate it to the shoots, which led to inhibited growth, reduced chlorophyll content, decreased dry weight, increased electrolyte leakage, and elevated antioxidant enzyme activities. Differentially expressed metabolites (DEMs) and genes (DEGs) were significantly altered in CMZ-stressed maize seedlings, with 1456 DEGs and 1461 DEMs in roots, and 2946 DEGs and 2999 DEMs in shoots. Metabolomic profiling revealed the accumulation of key metabolites involved in CMZ catabolism, including carbohydrates, amino acids, glutathione, and flavonoids. UPLC-Q-TOF/MS analysis identified twelve CMZ transformation products (TPs), which correlated with the activities of DEGs, DEMs, and antioxidant enzymes. These findings indicate that maize seedlings detoxify absorbed CMZ through specific pathways, including decarboxylation, and primarily via canonical phase I and phase II reactions. This study suggests that crops like maize can mitigate the toxicity and residues of CMZ, providing insights for strategies to manage and control CMZ ecotoxicity.
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Affiliation(s)
- Guofeng Chen
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Jipeng Xu
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China
| | - Jing Wang
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Wengong Huang
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Feng Liu
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Jiannan Dong
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Baohai Liu
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Dongmei Shi
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Aihua Cheng
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China
| | - Hui Liao
- Safety and Quality Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China; Key Laboratory of Quality and Safety of Cereals and Their Products, State Administration for Market Regulation, China.
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Zhang P, Yang T, Xie Y, Liu Y, Li QX, Wu X, Hua R, Jiao W. Metabolic mechanism, responses, and functions of genes HDH1, HDH3, and GST1 of tea (Camellia sinensis L.) to the insecticide thiamethoxam. JOURNAL OF HAZARDOUS MATERIALS 2025; 486:136969. [PMID: 39733754 DOI: 10.1016/j.jhazmat.2024.136969] [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: 10/02/2024] [Revised: 12/16/2024] [Accepted: 12/21/2024] [Indexed: 12/31/2024]
Abstract
Misuse of insecticides such as thiamethoxam (TMX) not only affects the quality of tea but also leaves residues in tea. Therefore, exploring the metabolic mechanisms of TMX in tea plants can evaluate effects of pesticides on the environment and human health. Here, effects of TMX on tea plants were studied. Malondialdehyde (MDA) content reached a maximum of 12.59 nmol/g fresh weight (FW) on 1st d under X (the recommended dose: 0.015 kg a.i./ha) of TMX. Under 2 X (0.03 kg a.i./ha), the catalase, glutathione S-transferase and superoxide dismutase activity were increased by 45.0 %, 55.5 %, and 49.7 % at 7 d respectively. Metabolomic and transcriptomic analyses revealed that TMX significantly affected amino acid metabolism, flavonoid biosynthesis and glutathione metabolism, and induced the expression of 3-hydroxyisobutyric acid dehydrogenase genes (CsHDH1 and CsHDH3) and glutathione S-transferase gene (CsGST1). The three genes were transiently expressed in Nicotiana benthamiana for the first time to verify the function of TMX degradation, with the degradation rate of 59.2 %-85.3 % at X. This study elucidated the response of tea plants to abiotic stress on the molecular-scale perspective, and the molecular approaches could serve as a model for the study on pesticide metabolism in plants. SYNOPSIS: Degradation ability of CsHDH1, CsHDH3 and CsGST1 genes to thiamethoxam was verified for the first time, providing genetic resources for phytoremediation of pollutants.
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Affiliation(s)
- Ping Zhang
- School of Resource & Environment of Anhui Agricultural University, Anhui Province Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China.
| | - Tianyuan Yang
- State Key Laboratory of Tea Plant Biology and Utilization; School of Tea Science, Anhui Agricultural University, Hefei, 230036, China.
| | - Yunlong Xie
- School of Resource & Environment of Anhui Agricultural University, Anhui Province Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China.
| | - Yulong Liu
- School of Resource & Environment of Anhui Agricultural University, Anhui Province Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China.
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, 1955 East-West Road, Honolulu, HI 96822, United States.
| | - Xiangwei Wu
- School of Resource & Environment of Anhui Agricultural University, Anhui Province Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China.
| | - Rimao Hua
- School of Resource & Environment of Anhui Agricultural University, Anhui Province Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China.
| | - Weiting Jiao
- School of Resource & Environment of Anhui Agricultural University, Anhui Province Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China; State Key Laboratory of Tea Plant Biology and Utilization; School of Tea Science, Anhui Agricultural University, Hefei, 230036, China.
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3
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Wang W, Long J, Wang H, Huang W, Zhang Y, Duan T. Insights into the effects of anilofos on direct-seeded rice production system through untargeted metabolomics. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 360:124668. [PMID: 39103033 DOI: 10.1016/j.envpol.2024.124668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 08/01/2024] [Accepted: 08/02/2024] [Indexed: 08/07/2024]
Abstract
Weed infestation is the major biological threat in direct-seeded rice production and can cause significant yield losses. The effective use of herbicides is particularly important in direct-seeded rice production. Anilofos, a pre-emergence herbicide, has been shown to be effective against the weed barnyardgrass. However, its impacts on crop yield and the direct-seeded rice production ecosystem remain underexplored. In this study, we conducted field trials and used untargeted metabolomics to investigate systemic effects of two different treatments (40 g/acre and 60 g/acre) on rice shoot and root as well as the rhizosphere soil during the critical tillering stage. Here, a total of 400 metabolites were determined in the crop and soil, with differential metabolites primarily comprising lipids and lipid-like molecules as well as phenylpropanoids and polyketides. Spearman correlation network analysis and a Zi-Pi plot revealed 7 key differential metabolites with significant topological roles, including succinic acid semialdehyde and riboflavin. KEGG pathway analysis showed that anilofos downregulated the amino acid metabolism while mainly promoted carbohydrate metabolism and secondary metabolites biosynthesis of the crop, which made minimal disruption on soil metabolism. Notably, we found 40 g/acre anilofos application could significantly improve the rice yield, potentially linked to the improved activity of flavonoid biosynthesis and starch and sucrose metabolism. This research provides a comprehensive evaluation of anilofos effects in the direct-seeded rice production system, offering new insights into optimizing herbicide use to improve agricultural sustainability and productivity.
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Affiliation(s)
- Weitao Wang
- Earth, Ocean and Atmospheric Sciences Thrust, Function Hub, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, 511457, China; Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China
| | - Jiahuan Long
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China
| | - Huaixu Wang
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Wenyuan Huang
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China
| | - Ying Zhang
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China.
| | - Tingting Duan
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, 550025, China
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Su XN, Li CY, Liu XS, Zhang YP. Brassinosteroids Confer Resistance to Isoproturon through OsBZR4-Mediated Degradation Genes in Rice ( Oryza sativa L.). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:20646-20657. [PMID: 39231315 DOI: 10.1021/acs.jafc.4c06316] [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: 09/06/2024]
Abstract
Plants have complex detoxification and metabolic systems that enable them to deal with environmental pollutants. We report accumulation of the pesticide isoproturon (IPU) in a BR signaling pathway for mutant bzr4-3/5 rice to be significantly higher than in wild-type (WT) rice controls and for exogenous 24-epibrassinolide to reverse toxic symptoms in WT rice but not in mutants. A genome-wide RNA sequencing study of WT/bzr4 rice is performed to identify transcriptomic changes and metabolic mechanisms under IPU exposure. Three differentially expressed genes in yeast cells increase the degradation rate of IPU in a growth medium by factors of 1.61, 1.51, and 1.29 after 72 h. Using UPLC/Q-TOF-MS/MS, five phase I metabolites and five phase II conjugates are characterized in rice grains, with concentrations generally decreasing in bzr4 rice grains. OsBZR4, a regulator of IPU degradation in rice, may eliminate IPU from edible parts of food crops by regulating downstream metabolic genes.
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Affiliation(s)
- Xiang Ning Su
- Research Institute of Plant Protection, Guangdong Academy of Agricultural Sciences & Key Laboratory of Green Prevention and Control of Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs & Key Laboratory of High Technology for Plant Protection of Guangdong Province, Guangzhou 510640, China
| | - Chuan Ying Li
- Research Institute of Plant Protection, Guangdong Academy of Agricultural Sciences & Key Laboratory of Green Prevention and Control of Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs & Key Laboratory of High Technology for Plant Protection of Guangdong Province, Guangzhou 510640, China
| | - Xue Song Liu
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Yu Ping Zhang
- Research Institute of Plant Protection, Guangdong Academy of Agricultural Sciences & Key Laboratory of Green Prevention and Control of Fruits and Vegetables in South China, Ministry of Agriculture and Rural Affairs & Key Laboratory of High Technology for Plant Protection of Guangdong Province, Guangzhou 510640, China
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Chen ZJ, Li SY, Qu YN, Ai G, Wang YH, Pan DJ, Wang HW, Lu D, Liu XL. Comprehensive analyses show the enhancement effect of exogenous melatonin on fluroxypyr-meptyl multiple phase metabolisms in Oryza sativa for reducing environmental risks. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 203:106021. [PMID: 39084780 DOI: 10.1016/j.pestbp.2024.106021] [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: 04/02/2024] [Revised: 06/27/2024] [Accepted: 07/05/2024] [Indexed: 08/02/2024]
Abstract
The role of melatonin (MT), an essential phytohormone controlling the physiological and biochemical reactions of plants to biotic and abiotic stress, in alleviating pesticide phytotoxicity remains unclear. This study explores the effects of MT (0 and 200 mg/L) and six doses of fluroxypyr-meptyl (FLUME) (0-0.14 mg/L) on the physiological response of rice (Oryza sativa). FLUME exposure inhibited the growth of rice seedlings, with MT treatment ameliorating this effect. To determine the biochemical processes and catalytic events involved in FLUME breakdown in rice, six rice root and shoot libraries exposed to either FLUME or FLUME-MT were generated and then subjected to RNA-Seq-LC-Q-TOF-HRMS/MS analyses. The results showed that 1510 root genes and 139 shoot genes exhibited higher upregulation in plants treated with an ecologically realistic FLUME concentration and MT than in those treated with FLUME alone. Gene enrichment analysis revealed numerous FLUME-degradative enzymes operating in xenobiotic tolerance to environmental stress and molecular metabolism. Regarding the FLUME degradation process, certain differentially expressed genes were responsible for producing important enzymes, such as cytochrome P450, glycosyltransferases, and acetyltransferases. Four metabolites and ten conjugates in the pathways involving hydrolysis, malonylation, reduction, glycosylation, or acetylation were characterized using LC-Q-TOF-HRMS/MS to support FLUME-degradative metabolism. Overall, external application of MT can increase rice tolerance to FLUME-induced oxidative stress by reducing phytotoxicity and FLUME accumulation. This study provides insights into MT's role in facilitating FLUME degradation, with potential implications for engineering genotypes supporting FLUME degradation in paddy crops.
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Affiliation(s)
- Zhao Jie Chen
- Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, China.
| | - Si Ying Li
- Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, China
| | - Ya Nan Qu
- Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, China
| | - Gan Ai
- The Key Laboratory of Plant Immunity, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yan Hui Wang
- Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests, Plant Protection Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China
| | - Dong Jin Pan
- Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests, Plant Protection Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China
| | - Hao Wen Wang
- Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, China
| | - Dan Lu
- Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, China
| | - Xiao Liang Liu
- Guangxi Key Laboratory of Agric-Environment and Agric-Products Safety, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, China.
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Montgomery J, Morran S, MacGregor DR, McElroy JS, Neve P, Neto C, Vila-Aiub MM, Sandoval MV, Menéndez AI, Kreiner JM, Fan L, Caicedo AL, Maughan PJ, Martins BAB, Mika J, Collavo A, Merotto A, Subramanian NK, Bagavathiannan MV, Cutti L, Islam MM, Gill BS, Cicchillo R, Gast R, Soni N, Wright TR, Zastrow-Hayes G, May G, Malone JM, Sehgal D, Kaundun SS, Dale RP, Vorster BJ, Peters B, Lerchl J, Tranel PJ, Beffa R, Fournier-Level A, Jugulam M, Fengler K, Llaca V, Patterson EL, Gaines TA. Current status of community resources and priorities for weed genomics research. Genome Biol 2024; 25:139. [PMID: 38802856 PMCID: PMC11129445 DOI: 10.1186/s13059-024-03274-y] [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: 07/11/2023] [Accepted: 05/13/2024] [Indexed: 05/29/2024] Open
Abstract
Weeds are attractive models for basic and applied research due to their impacts on agricultural systems and capacity to swiftly adapt in response to anthropogenic selection pressures. Currently, a lack of genomic information precludes research to elucidate the genetic basis of rapid adaptation for important traits like herbicide resistance and stress tolerance and the effect of evolutionary mechanisms on wild populations. The International Weed Genomics Consortium is a collaborative group of scientists focused on developing genomic resources to impact research into sustainable, effective weed control methods and to provide insights about stress tolerance and adaptation to assist crop breeding.
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Affiliation(s)
- Jacob Montgomery
- Department of Agricultural Biology, Colorado State University, 1177 Campus Delivery, Fort Collins, CO, 80523, USA
| | - Sarah Morran
- Department of Agricultural Biology, Colorado State University, 1177 Campus Delivery, Fort Collins, CO, 80523, USA
| | - Dana R MacGregor
- Protecting Crops and the Environment, Rothamsted Research, Harpenden, Hertfordshire, UK
| | - J Scott McElroy
- Department of Crop, Soil, and Environmental Sciences, Auburn University, Auburn, AL, USA
| | - Paul Neve
- Department of Plant and Environmental Sciences, University of Copenhagen, Taastrup, Denmark
| | - Célia Neto
- Department of Plant and Environmental Sciences, University of Copenhagen, Taastrup, Denmark
| | - Martin M Vila-Aiub
- IFEVA-Conicet-Department of Ecology, University of Buenos Aires, Buenos Aires, Argentina
| | | | - Analia I Menéndez
- Department of Ecology, Faculty of Agronomy, University of Buenos Aires, Buenos Aires, Argentina
| | - Julia M Kreiner
- Department of Botany, The University of British Columbia, Vancouver, BC, Canada
| | - Longjiang Fan
- Institute of Crop Sciences, Zhejiang University, Hangzhou, China
| | - Ana L Caicedo
- Department of Biology, University of Massachusetts Amherst, Amherst, MA, USA
| | - Peter J Maughan
- Department of Plant and Wildlife Sciences, Brigham Young University, Provo, UT, USA
| | | | - Jagoda Mika
- Bayer AG, Weed Control Research, Frankfurt, Germany
| | | | - Aldo Merotto
- Department of Crop Sciences, Federal University of Rio Grande Do Sul, Porto Alegre, Rio Grande Do Sul, Brazil
| | - Nithya K Subramanian
- Department of Soil and Crop Sciences, Texas A&M University, College Station, TX, USA
| | | | - Luan Cutti
- Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI, USA
| | | | - Bikram S Gill
- Department of Plant Pathology, Kansas State University, Manhattan, KS, USA
| | - Robert Cicchillo
- Crop Protection Discovery and Development, Corteva Agriscience, Indianapolis, IN, USA
| | - Roger Gast
- Crop Protection Discovery and Development, Corteva Agriscience, Indianapolis, IN, USA
| | - Neeta Soni
- Crop Protection Discovery and Development, Corteva Agriscience, Indianapolis, IN, USA
| | - Terry R Wright
- Genome Center of Excellence, Corteva Agriscience, Johnston, IA, USA
| | | | - Gregory May
- Genome Center of Excellence, Corteva Agriscience, Johnston, IA, USA
| | - Jenna M Malone
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, South Australia, Australia
| | - Deepmala Sehgal
- Jealott's Hill International Research Centre, Syngenta Ltd, Bracknell, Berkshire, UK
| | - Shiv Shankhar Kaundun
- Jealott's Hill International Research Centre, Syngenta Ltd, Bracknell, Berkshire, UK
| | - Richard P Dale
- Jealott's Hill International Research Centre, Syngenta Ltd, Bracknell, Berkshire, UK
| | - Barend Juan Vorster
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria, South Africa
| | - Bodo Peters
- Bayer AG, Weed Control Research, Frankfurt, Germany
| | | | - Patrick J Tranel
- Department of Crop Sciences, University of Illinois, Urbana, IL, USA
| | - Roland Beffa
- Senior Scientist Consultant, Herbicide Resistance Action Committee / CropLife International, Liederbach, Germany
| | | | - Mithila Jugulam
- Department of Agronomy, Kansas State University, Manhattan, KS, USA
| | - Kevin Fengler
- Genome Center of Excellence, Corteva Agriscience, Johnston, IA, USA
| | - Victor Llaca
- Genome Center of Excellence, Corteva Agriscience, Johnston, IA, USA
| | - Eric L Patterson
- Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI, USA
| | - Todd A Gaines
- Department of Agricultural Biology, Colorado State University, 1177 Campus Delivery, Fort Collins, CO, 80523, USA.
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Roland RM, Bhawani SA, Ibrahim MNM. Synthesis of molecularly imprinted polymer by precipitation polymerization for the removal of ametryn. BMC Chem 2023; 17:165. [PMID: 38001543 PMCID: PMC10668388 DOI: 10.1186/s13065-023-01084-0] [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: 09/08/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Ametryn (AME) is a triazine herbicide which is mainly used to kill unwanted herbs in crops. Despite its importance in agriculture, the usage of AME also poses a risk to humans and the ecosystem due to its toxicity. Hence, it is important to develop a method for the effective removal of AME from various water sources which is in the form of molecular imprinting polymer (MIP). In this study, MIP of AME was synthesized via precipitation polymerization using AME as the template molecule with three different functional monomers including methacrylic acid (MAA), acrylamide (AAm) and 2-vinylpyridine (2VP). The three different synthesized polymers namely MIP (MAA), MIP (AAm) and MIP (2VP) were characterized using Fourier Infra-red spectroscopy (FTIR) and Field Emission Electron Microscopy (FESEM). Then, the batch binding study was carried out using all three MIPs in which MIP (MAA) attained the highest rebinding efficiency (93.73%) among the synthesized polymers. The Energy-Dispersive X-ray spectroscopy (EDX) analysis, Brunauer-Emmett-Teller (BET) analysis and thermogravimetric analysis (TGA) were also conducted on the selected MIP (MAA). Adsorption studies including initial concentration, pH and polymer dosage were also conducted on MIP (MAA). In this study, the highest adsorption efficiency was attained at the optimum condition of 6 ppm of AME solution at pH 7 with 0.1 g of MIP (MAA). MIP (MAA) was successfully applied to remove AME from spiked distilled water, tap water and river water samples with removal efficiencies of 95.01%, 90.24% and 88.37%, respectively.
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Affiliation(s)
- Rachel Marcella Roland
- Faculty of Resource Science and Technology, Universiti Malaysia Sarawak (UNIMAS), 94300, Kota Samarahan, Sarawak, Malaysia
| | - Showkat Ahmad Bhawani
- Faculty of Resource Science and Technology, Universiti Malaysia Sarawak (UNIMAS), 94300, Kota Samarahan, Sarawak, Malaysia.
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8
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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: 7] [Impact Index Per Article: 3.5] [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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9
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Ya Ma L, Lu Y, Cheng J, Wan Q, Ge J, Wang Y, Li Y, Feng F, Li M, Yu X. Functional characterization of rice (Oryza sativa) thioredoxins for detoxification and degradation of atrazine. Gene 2023:147540. [PMID: 37279861 DOI: 10.1016/j.gene.2023.147540] [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: 04/28/2023] [Revised: 05/22/2023] [Accepted: 06/02/2023] [Indexed: 06/08/2023]
Abstract
Thioredoxins (TRXs) are a group of antioxidant enzymes that play a critical role in plant growth and resistance to stress. However, the functional role and mechanism of rice TRXs in response to pesticides (e.g. atrazine, ATZ) stress remain largely unexplored. Here, 24 differentially expressed TRX genes (14 up and 10 down) of ATZ-exposed rice were identified through high-throughput RNA-sequencing analysis. Twenty-four TRX genes were unevenly mapped to 11 chromosomes and some of the genes were validated by quantitative RT-PCR. Bioinformatics analysis revealed that ATZ-responsive TRX genes contain multiple functional cis-elements and conserved domains. To demonstrate the functional role of the genes in ATZ degradation, one representative TRX gene LOC_Os07g08840 was transformed into yeast cells and observed significantly lower ATZ content compared to the control. Using LC-Q-TOF-MS/MS, five metabolites were characterized. One hydroxylation (HA) and two N-dealkylation products (DIA and DEA) were significantly increased in the medium with positive transformants. Our work indicated that TRX-coding genes here were responsible for ATZ degradation, suggesting that thioredoxins could be one of the vital strategies for pesticide degradation and detoxification in crops.
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Affiliation(s)
- Li Ya Ma
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Yingfei Lu
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; College of Resources and Environment, Anhui Agricultural University, 230036, Hefei, China
| | - Jinjin Cheng
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Qun Wan
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Jing Ge
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Ya Wang
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Yong Li
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Fayun Feng
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Mei Li
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China
| | - Xiangyang Yu
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Zhongling Street 50, 210014, Nanjing, China.
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Hassan S, Ganai BA. Deciphering the recent trends in pesticide bioremediation using genome editing and multi-omics approaches: a review. World J Microbiol Biotechnol 2023; 39:151. [PMID: 37029313 DOI: 10.1007/s11274-023-03603-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/03/2023] [Indexed: 04/09/2023]
Abstract
Pesticide pollution in recent times has emerged as a grave environmental problem contaminating both aquatic and terrestrial ecosystems owing to their widespread use. Bioremediation using gene editing and system biology could be developed as an eco-friendly and proficient tool to remediate pesticide-contaminated sites due to its advantages and greater public acceptance over the physical and chemical methods. However, it is indispensable to understand the different aspects associated with microbial metabolism and their physiology for efficient pesticide remediation. Therefore, this review paper analyses the different gene editing tools and multi-omics methods in microbes to produce relevant evidence regarding genes, proteins and metabolites associated with pesticide remediation and the approaches to contend against pesticide-induced stress. We systematically discussed and analyzed the recent reports (2015-2022) on multi-omics methods for pesticide degradation to elucidate the mechanisms and the recent advances associated with the behaviour of microbes under diverse environmental conditions. This study envisages that CRISPR-Cas, ZFN and TALEN as gene editing tools utilizing Pseudomonas, Escherichia coli and Achromobacter sp. can be employed for remediation of chlorpyrifos, parathion-methyl, carbaryl, triphenyltin and triazophos by creating gRNA for expressing specific genes for the bioremediation. Similarly, systems biology accompanying multi-omics tactics revealed that microbial strains from Paenibacillus, Pseudomonas putida, Burkholderia cenocepacia, Rhodococcus sp. and Pencillium oxalicum are capable of degrading deltamethrin, p-nitrophenol, chlorimuron-ethyl and nicosulfuron. This review lends notable insights into the research gaps and provides potential solutions for pesticide remediation by using different microbe-assisted technologies. The inferences drawn from the current study will help researchers, ecologists, and decision-makers gain comprehensive knowledge of value and application of systems biology and gene editing in bioremediation assessments.
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Affiliation(s)
- Shahnawaz Hassan
- Department of Environmental Science, University of Kashmir, Srinagar, 190006, India.
| | - Bashir Ahmad Ganai
- Centre of Research for Development, University of Kashmir, Srinagar, 190006, India.
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