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Chaudhary V, Kumar M, Chauhan C, Sirohi U, Srivastav AL, Rani L. Strategies for mitigation of pesticides from the environment through alternative approaches: A review of recent developments and future prospects. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 354:120326. [PMID: 38387349 DOI: 10.1016/j.jenvman.2024.120326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/14/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024]
Abstract
Chemical-based peticides are having negative impacts on both the healths of human beings and plants as well. The World Health Organisation (WHO), reported that each year, >25 million individuals in poor nations are having acute pesticide poisoning cases along with 20,000 fatal injuries at global level. Normally, only ∼0.1% of the pesticide reaches to the intended targets, and rest amount is expected to come into the food chain/environment for a longer period of time. Therefore, it is crucial to reduce the amounts of pesticides present in the soil. Physical or chemical treatments are either expensive or incapable to do so. Hence, pesticide detoxification can be achieved through bioremediation/biotechnologies, including nano-based methodologies, integrated approaches etc. These are relatively affordable, efficient and environmentally sound methods. Therefore, alternate strategies like as advanced biotechnological tools like as CRISPR Cas system, RNAi and genetic engineering for development of insects and pest resistant plants which are directly involved in the development of disease- and pest-resistant plants and indirectly reduce the use of pesticides. Omics tools and multi omics approaches like metagenomics, genomics, transcriptomics, proteomics, and metabolomics for the efficient functional gene mining and their validation for bioremediation of pesticides also discussed from the literatures. Overall, the review focuses on the most recent advancements in bioremediation methods to lessen the effects of pesticides along with the role of microorganisms in pesticides elimination. Further, pesticide detection is also a big challenge which can be done by using HPLC, GC, SERS, and LSPR ELISA etc. which have also been described in this review.
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Affiliation(s)
- Veena Chaudhary
- Department of Chemistry, Meerut College, Meerut, Uttar-Pradesh, India
| | - Mukesh Kumar
- Department of Floriculture and Landscaping Architecture, College of Horticulture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, Uttar Pradesh, India
| | - Chetan Chauhan
- Department of Floriculture and Landscaping Architecture, College of Horticulture, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut, Uttar Pradesh, India
| | - Ujjwal Sirohi
- National Institute of Plant Genome Research, New Delhi, India
| | - Arun Lal Srivastav
- Chitkara University School of Engineering and Technology, Chitkara University, Himachal Pradesh, India.
| | - Lata Rani
- Chitkara School of Pharmacy, Chitkara University, Himachal Pradesh, India
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Wang Z, Zhang R, Pei Y, Wu W, Hu Z, Zuo Y. The knockout of the nicotinic acetylcholine receptor subunit gene α1 (nAChR α1) through CRISPR/Cas9 technology exposes its involvement in the resistance of Spodoptera exigua to insecticides. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 196:105616. [PMID: 37945231 DOI: 10.1016/j.pestbp.2023.105616] [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: 07/15/2023] [Revised: 09/05/2023] [Accepted: 09/09/2023] [Indexed: 11/12/2023]
Abstract
Insect nicotinic acetylcholine receptors (nAChRs) are the directed targets of many insecticides. However, there have been no reports on the molecular characterization of the nAChR gene family or the causal association between nAChR α1 and resistance to insecticides in S. exigua, which is a significant agricultural pest. In this study, we identified a total of 9 candidate nAChR subunits in S. exigua, namely nAChR α1-α7 and nAChR β1-β2. For functional validation roles of Seα1 in insecticide resistance of S. exigua, we introduced a ∼ 1041-bp deletion of the Seα1 gene in a homozygous mutant strain (Seα1-KO) by CRISPR/Cas9 genome editing system, resulting in a premature truncation of the Seα1 protein and the subsequent loss of functional transmembrane (TM) 3 and TM4 elements. Compared with WH-S strain (wild-type strain), the Seα1-KO strain exhibited 2.62-folds resistant to trifluoropyrimidine, 8.3-folds resistant to dimehypo, and 5.28-folds resistant to dinotefuran, but no significant change in susceptibility to emamectin benzoate, spinetoram, lambda-cyhalothrin, permethrin and chlorpyrifos. Thus, this study has laid a solid foundation for investigating the role of nAChRs in S. exigua, and provides evidence for the crucial involvement of the α1 subunit in the mechanism of trifluoropyrimidine, dimehypo, and dinotefuran in S. exigua. Moreover, it provides a reference for the value of Seα1 subunit and its homologues in other species as insecticide targets.
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Affiliation(s)
- Zeyu Wang
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China; Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling 712100, Shaanxi, PR China
| | - Ruiming Zhang
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China; Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling 712100, Shaanxi, PR China
| | - Yakun Pei
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China; Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling 712100, Shaanxi, PR China
| | - Wenjun Wu
- Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling 712100, Shaanxi, PR China
| | - Zhaonong Hu
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China; Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling 712100, Shaanxi, PR China.
| | - Yayun Zuo
- Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi, PR China; Key Laboratory for Botanical Pesticide R&D of Shaanxi Province, Yangling 712100, Shaanxi, PR China.
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CRISPR-Cas Genome Editing for Insect Pest Stress Management in Crop Plants. STRESSES 2022. [DOI: 10.3390/stresses2040034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Global crop yield and food security are being threatened by phytophagous insects. Innovative methods are required to increase agricultural output while reducing reliance on hazardous synthetic insecticides. Using the revolutionary CRISPR-Cas technology to develop insect-resistant plants appears to be highly efficient at lowering production costs and increasing farm profitability. The genomes of both a model insect, Drosophila melanogaster, and major phytophagous insect genera, viz. Spodoptera, Helicoverpa, Nilaparvata, Locusta, Tribolium, Agrotis, etc., were successfully edited by the CRISPR-Cas toolkits. This new method, however, has the ability to alter an insect’s DNA in order to either induce a gene drive or overcome an insect’s tolerance to certain insecticides. The rapid progress in the methodologies of CRISPR technology and their diverse applications show a high promise in the development of insect-resistant plant varieties or other strategies for the sustainable management of insect pests to ensure food security. This paper reviewed and critically discussed the use of CRISPR-Cas genome-editing technology in long-term insect pest management. The emphasis of this review was on the prospective uses of the CRISPR-Cas system for insect stress management in crop production through the creation of genome-edited crop plants or insects. The potential and the difficulties of using CRISPR-Cas technology to reduce pest stress in crop plants were critically examined and discussed.
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Shi T, Tang P, Wang X, Yang Y, Wu Y. CRISPR-mediated knockout of nicotinic acetylcholine receptor (nAChR) α6 subunit confers high levels of resistance to spinosyns in Spodoptera frugiperda. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 187:105191. [PMID: 36127065 DOI: 10.1016/j.pestbp.2022.105191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/28/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
Spinosyn insecticides (spinosad and spinetoram) have been widely used to control a number of agricultural pests including the fall armyworm, Spodoptera frugiperda. Mutations of the nicotinic acetylcholine receptor α6 subunit (nAChRα6) have been reported to confer high levels of resistance to spinosyns in several insect pests. Here we used CRISPR-mediated gene knockout to determine the involvement of S. frugiperda nAChRα6 (Sfα6) in spinosyns susceptibility. A Sfα6 knockout strain of S. frugiperda (Sfα6-KO) was established using dual single guide RNA (sgRNA) directed large fragment deletion with the CRISPR/Cas9 system. Sfα6-KO showed high levels of resistance to spinosad (307-fold) and spinetoram (517-fold) compared with the progenitor strain YJ-19, while no resistance was observed to emamectin benzoate, indoxacarb, chlorfenapyr, chlorantraniliprole and broflanilide. Genetic analyses confirmed that spinosad resistance in Sfα6-KO was autosomal, incompletely recessive and tightly linked to the edited deletion mutation of Sfα6. Our results provided in vivo functional evidence for Sfα6 as the major target of spinosyns against S. frugiperda, and demonstrated that disruption of Sfα6 causes high level resistance to spinosyns. Although no mutations of Sfα6 have yet been reported in any field populations of S. frugiperda, it is critical to develop F1 screens and/or DNA-based methods to detect and monitor the mutant allele frequencies of Sfα6 across global populations of S. frugiperda.
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Affiliation(s)
- Tailong Shi
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China.
| | - Ping Tang
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China.
| | - Xingliang Wang
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yihua Yang
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yidong Wu
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China.
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Kumari P, Jasrotia P, Kumar D, Kashyap PL, Kumar S, Mishra CN, Kumar S, Singh GP. Biotechnological Approaches for Host Plant Resistance to Insect Pests. Front Genet 2022; 13:914029. [PMID: 35719377 PMCID: PMC9201757 DOI: 10.3389/fgene.2022.914029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/16/2022] [Indexed: 11/14/2022] Open
Abstract
Annually, the cost of insect pest control in agriculture crosses billions of dollars around the world. Until recently, broad-spectrum synthetic pesticides were considered as the most effective means of pest control in agriculture. However, over the years, the overreliance on pesticides has caused adverse effects on beneficial insects, human health and the environment, and has led to the development of pesticide resistant insects. There is a critical need for the development of alternative pest management strategies aiming for minimum use of pesticides and conservation of natural enemies for maintaining the ecological balance of the environment. Host plant resistance plays a vital role in integrated pest management but the development of insect-resistant varieties through conventional ways of host plant resistance takes time, and is challenging as it involves many quantitative traits positioned at various loci. Biotechnological approaches such as gene editing, gene transformation, marker-assisted selection etc. in this direction have recently opened up a new era of insect control options. These could contribute towards about exploring a much wider array of novel insecticidal genes that would otherwise be beyond the scope of conventional breeding. Biotechnological interventions can alter the gene expression level and pattern as well as the development of transgenic varieties with insecticidal genes and can improve pest management by providing access to novel molecules. This review will discuss the emerging biotechnological tools available to develop insect-resistant engineered crop genotypes with a better ability to resist the attack of insect pests.
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Affiliation(s)
- Pritam Kumari
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
- CCS Haryana Agricultural University, Hisar, India
| | - Poonam Jasrotia
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - Deepak Kumar
- CCS Haryana Agricultural University, Hisar, India
| | - Prem Lal Kashyap
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - Satish Kumar
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | | | - Sudheer Kumar
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
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Zuo YY, Xue YX, Wang ZY, Ren X, Aioub AAA, Wu YD, Yang YH, Hu ZN. Knockin of the G275E mutation of the nicotinic acetylcholine receptor (nAChR) α6 confers high levels of resistance to spinosyns in Spodoptera exigua. INSECT SCIENCE 2022; 29:478-486. [PMID: 33998150 DOI: 10.1111/1744-7917.12922] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/02/2021] [Accepted: 03/09/2021] [Indexed: 06/12/2023]
Abstract
Spinosyns, including spinosad and spinetoram, act on the insect central nervous system, gradually paralyzing or destroying the target insect. Spinosad resistance is associated with loss-of-function mutations in the nicotinic acetylcholine receptor (nAChR) α6 subunit in a number of agricultural pests. Using gene editing, nAChR α6 has been verified as a target for spinosyns in five insect species. Recently, a point mutation (G275E) in exon 9 of nAChR α6 was identified in spinosad-resistant strains of Thrips palmi and Tuta absoluta. To date, no in vivo functional evidence has been obtained to support that this mutation is involved in spinosyn resistance in lepidopteran pests. In this study, the G275E mutation was introduced into the nAChR of Spodoptera exigua using clustered regularly interspaced short palindromic repeats (CRISPR) / CRISPR-associated protein 9 (Cas9) gene-editing technology. Reverse transcriptase-polymerase chain reaction and sequencing confirmed that this mutation was present in exon 9 of the nAChR transcripts in the edited 275E strain. The results of bioassays showed that the 275E strain was highly resistant to spinosad (230-fold) and spinetoram (792-fold) compared to the unedited background strain, directly confirming that the G275E mutation of the nAChR α6 subunit confers high levels of spinosyn resistance in S. exigua. Inheritance analysis showed that the resistance trait is autosomal and incompletely recessive. This study employs a reverse genetics approach to validate the functional role played by the G275E mutation in nAChR α6 of S. exigua in spinosyns resistance and provides another example of the use of CRISPR/Cas9 gene-editing technology to confirm the role played by candidate target site mutations in insecticide resistance.
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Affiliation(s)
- Ya-Yun Zuo
- Institute of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
- Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yu-Xin Xue
- Institute of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Key Laboratory for Botanical Pesticide R & D of Shaanxi Province, Yangling, Shaanxi, 712100, China
| | - Ze-Yu Wang
- Institute of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Key Laboratory for Botanical Pesticide R & D of Shaanxi Province, Yangling, Shaanxi, 712100, China
| | - Xuan Ren
- Institute of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Key Laboratory for Botanical Pesticide R & D of Shaanxi Province, Yangling, Shaanxi, 712100, China
| | - Ahmed A A Aioub
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Yi-Dong Wu
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yi-Hua Yang
- College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Zhao-Nong Hu
- Institute of Pesticide Science, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Key Laboratory for Botanical Pesticide R & D of Shaanxi Province, Yangling, Shaanxi, 712100, China
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Jiang D, Qian C, Wang D, Wang F, Zhao S, Yang Y, Baxter SW, Wang X, Wu Y. Varying contributions of three ryanodine receptor point mutations to diamide insecticide resistance in Plutella xylostella. PEST MANAGEMENT SCIENCE 2021; 77:4874-4883. [PMID: 34176224 DOI: 10.1002/ps.6534] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/20/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Although decoding the molecular mechanisms underlying insecticide resistance has often proven difficult, recent progress has revealed that specific mutations in the ryanodine receptor (RyR) of the diamondback moth, Plutella xylostella, can confer resistance to diamide insecticides. The extent to which specific RyR mutations contribute to the diamide resistance phenotype, the associated genetic traits and fitness costs remain limited. RESULTS Three field-evolved PxRyR mutations (G4946E, I4790 M, and I4790 K) were respectively introgressed into a common susceptible background strain (IPP-S) of P. xylostella with marker-assisted backcrossing. The mutations alone can result in moderate to high levels of resistance to five commercial diamides (flubendiamide, chlorantraniliprole, cyantraniliprole, tetraniliprole, and cyclaniliprole), and the resistance intensity mediated by the three mutations was hierarchical in order of I4790 K (1199- to >2778-fold) > G4946E (39- to 739-fold) > I4790 M (16- to 57-fold). Flubendiamide resistance was autosomal and incompletely recessive, and was significantly linked with the introgressed mutations in the three constructed strains. In addition, the resistance levels to flubendiamide of hybrid progeny from any two resistant strains fell in between the status of their parents. Furthermore, by comparing the net replacement rate, the fitness of 4946E, 4790 M and 4790 K strains were 0.77, 0.93 and 0.92 relative to the IPP-S strain, respectively. CONCLUSION Three independent PxRyR mutations confer varying degrees of resistance to diamides in P. xylostella. Among the three mutations, I4790 K confers highest levels of resistance (> 1000-fold) to all five commercial diamides. The findings can guide resistance management practices for diamides in P. xylostella and other arthropods.
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Affiliation(s)
- Dong Jiang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Cheng Qian
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Danhui Wang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Falong Wang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Shan Zhao
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yihua Yang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Simon W Baxter
- Bio21 Institute, School of BioSciences, University of Melbourne, Melbourne, VIC, Australia
| | - Xingliang Wang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yidong Wu
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, China
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Li JJ, Shi Y, Wu JN, Li H, Smagghe G, Liu TX. CRISPR/Cas9 in lepidopteran insects: Progress, application and prospects. JOURNAL OF INSECT PHYSIOLOGY 2021; 135:104325. [PMID: 34743972 DOI: 10.1016/j.jinsphys.2021.104325] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/26/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
Clustered regularly spaced short palindrome repeats (CRISPR) structure family forms the acquired immune system in bacteria and archaea. Recent advances in CRISPR/Cas genome editing as derived from prokaryotes, confirmed the characteristics of robustness, high target specificity and programmability, and also revolutionized the insect sciences field. The successful application of CRISPR in a wide variety of lepidopteran insects, with a high genetic diversity, provided opportunities to explore gene functions, insect modification and pest control. In this review, we present a detailed overview on the recent progress of CRISPR in lepidopteran insects, and described the basic principles of the system and its application. Major interest is on wing development, pigmentation, mating, reproduction, sex determination, metamorphosis, resistance and silkworm breeding innovation. Finally, we outlined the limitations of CRISPR/Cas system and discussed its application prospects in lepidopteran insects.
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Affiliation(s)
- Jiang-Jie Li
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China; Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Yan Shi
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China; Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
| | - Ji-Nan Wu
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China
| | - Hao Li
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China
| | - Guy Smagghe
- Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
| | - Tong-Xian Liu
- Key Lab of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, Shandong 266109, PR China.
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He H, Tang J, Chen J, Hu J, Zhu Z, Liu Y, Shuai L, Cao L, Liu Z, Xia Z, Ding X, Hu S, Zhang Y, Rang J, Xia L. Flaviolin-Like Gene Cluster Deletion Optimized the Butenyl-Spinosyn Biosynthesis Route in Saccharopolyspora pogona. ACS Synth Biol 2021; 10:2740-2752. [PMID: 34601869 DOI: 10.1021/acssynbio.1c00344] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Reduction and optimization of the microbial genome is an important strategy for constructing synthetic biological chassis cells and overcoming obstacles in natural product discovery and production. However, it is of great challenge to discover target genes that can be deleted and optimized due to the complicated genome of actinomycetes. Saccharopolyspora pogona can produce butenyl-spinosyn during aerobic fermentation, and its genome contains 32 different gene clusters. This suggests that there is a large amount of potential competitive metabolism in S. pogona, which affects the biosynthesis of butenyl-spinosyn. By analyzing the genome of S. pogona, six polyketide gene clusters were identified. From those, the complete deletion of clu13, a flaviolin-like gene cluster, generated a high butenyl-spinosyn-producing strain. Production of this strain was 4.06-fold higher than that of the wildtype strain. Transcriptome profiling revealed that butenyl-spinosyn biosynthesis was not primarily induced by the polyketide synthase RppA-like but was related to hypothetical protein Sp1764. However, the repression of sp1764 was not enough to explain the enormous enhancement of butenyl-spinosyn yields in S. pogona-Δclu13. After the comparative proteomic analysis of S. pogona-Δclu13 and S. pogona, two proteins, biotin carboxyl carrier protein (BccA) and response regulator (Reg), were investigated, whose overexpression led to great advantages of butenyl-spinosyn biosynthesis. In this way, we successfully discovered three key genes that obviously optimize the biosynthesis of butenyl-spinosyn. Gene cluster simplification performed in conjunction with multiomics analysis is of great practical significance for screening dominant chassis strains and optimizing secondary metabolism. This work provided an idea about screening key factors and efficient construction of production strains.
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Affiliation(s)
- Haocheng He
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Jianli Tang
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Jianming Chen
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Jinjuan Hu
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Zirong Zhu
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Yang Liu
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Ling Shuai
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Li Cao
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Zhudong Liu
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Ziyuan Xia
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Xuezhi Ding
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Shengbiao Hu
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Youming Zhang
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Jie Rang
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
| | - Liqiu Xia
- Hunan Provincial Key Laboratory for Microbial Molecular Biology, State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Science, Hunan Normal University, Changsha 410083, China
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Yao S, Yang Y, Xue Y, Zhao W, Liu X, Du M, Yin X, Guan R, Wei J, An S. New insights on the effects of spinosad on the development of Helicoverpa armigera. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 221:112452. [PMID: 34198186 DOI: 10.1016/j.ecoenv.2021.112452] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 06/13/2023]
Abstract
Helicoverpa armigera (cotton bollworm) is one of the most destructive pests worldwide. Due to resistance to Bacillus thuringiensis and conventional insecticides, an effective management strategy to control this pest is urgently needed. Spinosad, a natural pesticide, is considered an alternative; however, the mechanism underlying the developmental effects of sublethal spinosad exposure remains elusive. In this study, the mechanism was examined using an insect model of H. armigera. Results confirmed that exposure to sublethal spinosad led to reduced larval wet weight, delayed larval developmental period, caused difficulty in molting, and deformed pupae. Further investigation demonstrated that exposure to sublethal spinosad caused a significant decrease in 20E titer and increase in JH titer, thereby leading to the discordance between 20E and JH titers, and consequently alteration in the expression levels of HR3 and Kr-h1. These results suggested that sublethal spinosad caused hormonal disorders in larvae, which directly affect insect development. Our study serves as a reference and basis for the toxicity evaluation of spinosad on molting and pupation in insect metamorphosis, which may contribute to identifying targets for effective control of cotton bollworm.
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Affiliation(s)
- Shuangyan Yao
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Yue Yang
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Yuying Xue
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Wenli Zhao
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Xiaoguang Liu
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Mengfang Du
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Xinming Yin
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Ruobing Guan
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China.
| | - Jizhen Wei
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China.
| | - Shiheng An
- State Key Laboratory of Wheat and Maize Crop Science/College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China.
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Lan J, Wang Z, Chen Z, Zhang L, Zhao J, Guan Q, Liao C, Liu N, Han Q. Identification of the Aedes aegypti nAChR gene family and molecular target of spinosad. PEST MANAGEMENT SCIENCE 2021; 77:1633-1641. [PMID: 33202106 DOI: 10.1002/ps.6183] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/18/2020] [Accepted: 11/17/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Spinosad is an insecticide with unique mode of action (MOA) of disrupting nicotinic acetylcholine receptor and is efficacious against many insect species. Mutations in the nicotinic acetylcholine receptor (nAChR) α6 subunit have been identified that are associated with levels of spinosad resistance, but the molecular characterization of the nAChR gene family and a causative association between nAChR α6 and resistance to spinosad in Aedes aegypti, a primary vector of many arboviruses, have not yet been reported. RESULTS In this study, we identified 10 candidate nAChR subunits in Ae. Aegypti, nAChRα1-α9 and nAChRβ1, showing similarly orthologous relationships with Anopheles gambiae. With the application of the CRISPR/Cas9 genome editing system, we introduced a 32-bp deletion at the 5' end of the Aaeα6 (Ae. aegypti nAChR α6) gene in a homozygous mutant strain (Aaeα6-KO). The mutation produced two successive pre-mature stop codons, resulting in loss of function in the target receptor. The Aaeα6-KO mutant strain exhibited a 320-fold level of resistance to spinosad compared with wildtype. A recessive mode of inheritance for spinosad resistance was found in the Aaeα6-KO strain. CONCLUSION CRISPR/Cas9 introduced truncated Aaeα6 receptor in Ae. aegypti resulted in an increased level of resistance to spinosad, suggesting that the conserved nAChR α6 subunit is the target for spinosad insecticide. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Jianqiang Lan
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
| | - Zihe Wang
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
| | - Zhaohui Chen
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
| | - Lei Zhang
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
| | - Jianguo Zhao
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
| | - Qingfeng Guan
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
| | - Chenghong Liao
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
| | - Nannan Liu
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL, USA
| | - Qian Han
- Laboratory of Tropical Veterinary Medicine and Vector Biology, School of Life and Pharmaceutical Sciences, Hainan University, Haikou, China
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Shi P, Guo SK, Gao YF, Chen JC, Gong YJ, Tang MQ, Cao LJ, Li H, Hoffmann AA, Wei SJ. Association Between Susceptibility of Thrips palmi to Spinetoram and Frequency of G275E Mutation Provides Basis for Molecular Quantification of Field-Evolved Resistance. JOURNAL OF ECONOMIC ENTOMOLOGY 2021; 114:339-347. [PMID: 33399196 DOI: 10.1093/jee/toaa314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Indexed: 06/12/2023]
Abstract
Putative mechanisms underlying spinosyn resistance have been identified in controlled studies on many species; however, mechanisms underlying field-evolved resistance and the development of a molecular diagnostic method for monitoring field resistance have lagged behind. Here, we examined levels of resistance of melon thrips, Thrips palmi Karny (Thysanoptera:Thripidae), to spinetoram as well as target site mutations in field populations across China to identify potential mechanisms and useful molecular markers for diagnostic and quantifying purposes. In resistant populations, we identified the G275E mutation, which has previously been linked to spinosyns resistance, and F314V mutation, both located in the α6 subunit of the nicotinic acetylcholine receptor. There was a strong correlation between levels of spinetoram resistance and allele frequency of G275E mutation in field-collected populations (r2 = 0.84) and those reared under laboratory conditions for two to five generations (r2 = 0.91). LC50 ranged from 0.12 to 0.66 mg/liter in populations without G275E mutation, whereas it ranged from 33.12 to 39.91 mg/liter in most populations with a G275E mutation frequency more than 90%. Our results indicate that the field-evolved resistance of T. palmi to spinetoram in China is mainly conferred by the G275E mutation. The frequency of the G275E mutation provides a useful diagnostic for quantifying resistance levels in field populations of T. palmi.
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Affiliation(s)
- Pan Shi
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Shao-Kun Guo
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
| | - Yong-Fu Gao
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
| | - Jin-Cui Chen
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
| | - Ya-Jun Gong
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
| | - Meng-Qing Tang
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Li-Jun Cao
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
| | - Hu Li
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Ary Anthony Hoffmann
- Pest and Environmental Adaptation Research Group, School of BioSciences, Bio21 Institute, University of Melbourne, Parkville, VIC, Australia
| | - Shu-Jun Wei
- Institute of Plant and Environmental Protection, Beijing Academy of Agricultural and Forestry Sciences, Haidian District, Beijing, China
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
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Wang X, Cao X, Jiang D, Yang Y, Wu Y. CRISPR/Cas9 mediated ryanodine receptor I4790M knockin confers unequal resistance to diamides in Plutella xylostella. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2020; 125:103453. [PMID: 32798712 DOI: 10.1016/j.ibmb.2020.103453] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/24/2020] [Accepted: 08/03/2020] [Indexed: 05/15/2023]
Abstract
The diamondback moth Plutella xylostella is a major destructive pest of Brassica worldwide. P. xylostella has evolved resistance to nearly all commercial insecticides used for its control, including the most recent chemical class, diamide insecticides. Several studies show that the G4946E and I4790M mutations of ryanodine receptor (RyR) are strongly associated with diamide resistance in insects. While the pivotal functional role of G4946E in conferring diamide resistance phenotype has confirmed by several studies in different species, no direct evidence has unambiguously confirmed the functional significance of the single I4790M mutation in diamide resistance. Here, we successfully constructed a knockin homozygous strain (I4790M-KI) of P. xylostella using CRISPR/Cas9 coupled with homology directed repair approach to introduce I4790M into RyR. When compared with the background susceptible IPP-S strain, the manipulated I4790M-KI strain exhibited moderate resistance to the phthalic acid diamide flubendiamide (40.5-fold) and low resistance to anthranilic diamides chlorantraniliprole (6.0-fold) and cyantraniliprole (7.7-fold), with no changes to the toxicities of indoxacarb and β-cypermethrin. Furthermore, the acquired flubendiamide resistance was inherited in an autosomally recessive mode and significantly linked with the I4790M mutation of RyR in this I4790M-KI strain. Our findings provide in vivo functional evidence for the causality of I4790M mutation of PxRyR with moderate levels of resistance to flubendiamide in P. xylostella, and support the hypothesis that the diamide classes have different interactions with RyRs.
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Affiliation(s)
- Xingliang Wang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Xiaowei Cao
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Dong Jiang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Yihua Yang
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Yidong Wu
- Key Laboratory of Plant Immunity and College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China.
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