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Li XY, Si FL, Zhang XX, Zhang YJ, Chen B. Characteristics of Trypsin genes and their roles in insecticide resistance based on omics and functional analyses in the malaria vector Anopheles sinensis. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 201:105883. [PMID: 38685249 DOI: 10.1016/j.pestbp.2024.105883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/15/2024] [Accepted: 03/18/2024] [Indexed: 05/02/2024]
Abstract
Trypsin is one of the most diverse and widely studied protease hydrolases. However, the diversity and characteristics of the Trypsin superfamily of genes have not been well understood, and their role in insecticide resistance is yet to be investigated. In this study, a total of 342 Trypsin genes were identified and classified into seven families based on homology, characteristic domains and phylogenetics in Anopheles sinensis, and the LY-Domain and CLECT-Domain families are specific to the species. Four Trypsin genes, (Astry2b, Astry43a, Astry90, Astry113c) were identified to be associated with pyrethroid resistance based on transcriptome analyses of three field resistant populations and qRT-PCR validation, and the knock-down of these genes significantly decrease the pyrethroid resistance of Anopheles sinensis based on RNAi. The activity of Astry43a can be reduced by five selected insecticides (indoxacarb, DDT, temephos, imidacloprid and deltamethrin); and however, the Astry43a could not directly metabolize these five insecticides, like the trypsin NYD-Tr did in earlier reports. This study provides the overall information frame of Trypsin genes, and proposes the role of Trypsin genes to insecticide resistance. Further researches are necessary to investigate the metabolism function of these trypsins to insecticides.
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Affiliation(s)
- Xiang-Ying Li
- Chongqing Key Laboratory of Vector Control and Utilization, Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing 401331, China
| | - Feng-Ling Si
- Chongqing Key Laboratory of Vector Control and Utilization, Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing 401331, China
| | - Xiao-Xiao Zhang
- Chongqing Key Laboratory of Vector Control and Utilization, Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing 401331, China
| | - Yu-Juan Zhang
- Chongqing Key Laboratory of Vector Control and Utilization, Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing 401331, China
| | - Bin Chen
- Chongqing Key Laboratory of Vector Control and Utilization, Institute of Entomology and Molecular Biology, Chongqing Normal University, Chongqing 401331, China.
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2
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Yang F, Li Y, Gao M, Xia Q, Wang Q, Tang M, Zhou X, Guo H, Xiao Q, Sun L. Comparative expression profiles of carboxylesterase orthologous CXE14 in two closely related tea geometrid species, Ectropis obliqua Prout and Ectropis grisescens Warren. Front Physiol 2023; 14:1194997. [PMID: 37293262 PMCID: PMC10244532 DOI: 10.3389/fphys.2023.1194997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 05/12/2023] [Indexed: 06/10/2023] Open
Abstract
Insect carboxylesterases (CXEs) can be expressed in multiple tissues and play crucial roles in detoxifying xenobiotic insecticides and degrading olfactory cues. Therefore, they have been considered as an important target for development of eco-friendly insect pest management strategies. Despite extensive investigation in most insect species, limited information on CXEs in sibling moth species is currently available. The Ectropis obliqua Prout and Ectropis grisescens Warren are two closely related tea geometrid species, which share the same host of tea plant but differ in geographical distribution, sex pheromone composition, and symbiotic bacteria abundance, providing an excellent mode species for studies of functional diversity of orthologous CXEs. In this study, we focused on EoblCXE14 due to its previously reported non-chemosensory organs-biased expression. First, the EoblCXE14 orthologous gene EgriCXE14 was cloned and sequence characteristics analysis showed that they share a conserved motif and phylogenetic relationship. Quantitative real-time polymerase chain reaction (qRT-PCR) was then used to compare the expression profiles between two Ectropis spp. The results showed that EoblCXE14 was predominately expressed in E. obliqua larvae, whereas EgriCXE14 was abundant in E. grisescens at multiple developmental stages. Interestingly, both orthologous CXEs were highly expressed in larval midgut, but the expression level of EoblCXE14 in E. obliqua midgut was significantly higher than that of EgriCXE14 in E. grisescens midgut. In addition, the potential effect of symbiotic bacteria Wolbachia on the CXE14 was examined. This study is the first to provide comparative expression profiles of orthologous CXE genes in two sibling geometrid moth species and the results will help further elucidate CXEs functions and identify a potential target for tea geometrid pest control.
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Affiliation(s)
- Fengshui Yang
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Yujie Li
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Department of Plant Protection, Henan Institute of Science and Technology, Xinxiang, China
| | - Mengyuan Gao
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Department of Plant Protection, Henan Institute of Science and Technology, Xinxiang, China
| | - Qing Xia
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Qian Wang
- College of Advanced Agricultural Sciences, Zhejiang A & F University, Hangzhou, China
| | - Meijun Tang
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Xiaogui Zhou
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Huawei Guo
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Qiang Xiao
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Liang Sun
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
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Li R, Zhu B, Hu XP, Shi XY, Qi LL, Liang P, Gao XW. Overexpression of PxαE14 Contributing to Detoxification of Multiple Insecticides in Plutella xylostella (L.). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:5794-5804. [PMID: 35510781 DOI: 10.1021/acs.jafc.2c01867] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The diamondback moth, Plutella xylostella (L.), has evolved with varying degrees of resistance to almost all major classes of insecticides and has become the most resistant pest worldwide. The multiresistance to different types of insecticides has been frequently reported in P. xylostella, but little is known about the mechanism. In this study, a carboxylesterase (CarE) gene, PxαE14, was found significantly overexpressed in a field-evolved multiresistant P. xylostella population and can be dramatically induced by eight of nine tested insecticides. Results of the real-time quantitative polymerase chain reaction (RT-qPCR) showed that PxαE14 was predominantly expressed in the midgut and malpighian tubule of larvae. Knockdown of PxαE14 dramatically increased the susceptibility of the larvae to β-cypermethrin, bifenthrin, chlorpyrifos, fenvalerate, malathion, and phoxim, while overexpression of PxαE14 in Drosophila melanogaster increased the tolerance of the fruit flies to these insecticides obviously. More importantly, gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) assay showed that the recombinant PxαE14 expressed in Escherichia coli exhibited metabolic activity against the six insecticides. The homology modeling, molecular docking, and molecular dynamics simulation analyses showed that these six insecticides could stably bind to PxαE14. Taken together, these results demonstrate that constitutive and inductive overexpression of PxαE14 contributes to detoxification of multiple insecticides involved in multiresistance in P. xylostella. Our findings provide evidence for understanding the molecular mechanisms underlying the multiresistance in insect pests.
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Affiliation(s)
- Ran Li
- MOA Key Laboratory of Pest Monitoring and Green Management, Department of Entomology, College of Plant Protection, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Bin Zhu
- MOA Key Laboratory of Pest Monitoring and Green Management, Department of Entomology, College of Plant Protection, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Xue-Ping Hu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, China
| | - Xue-Yan Shi
- MOA Key Laboratory of Pest Monitoring and Green Management, Department of Entomology, College of Plant Protection, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Lin-Lu Qi
- MOA Key Laboratory of Pest Monitoring and Green Management, Department of Entomology, College of Plant Protection, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Pei Liang
- MOA Key Laboratory of Pest Monitoring and Green Management, Department of Entomology, College of Plant Protection, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Xi-Wu Gao
- MOA Key Laboratory of Pest Monitoring and Green Management, Department of Entomology, College of Plant Protection, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, China
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Gong Y, Li M, Li T, Liu N. Molecular and functional characterization of three novel carboxylesterases in the detoxification of permethrin in the mosquito, Culex quinquefasciatus. INSECT SCIENCE 2022; 29:199-214. [PMID: 34048147 DOI: 10.1111/1744-7917.12927] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 03/20/2021] [Accepted: 03/24/2021] [Indexed: 06/12/2023]
Abstract
Carboxylesterases (CarEs) belong to a super family of multifunctional enzymes associated with the degradation of endogenous and exogenous compounds. Many insect CarEs are known to play important roles in catalyzing the hydrolysis of organophosphates (OPs), carbamates, and synthetic pyrethroids (SPs). The elevation of esterase activity through gene amplification and overexpression of estα2 and estβ2 genes contributes to the development of resistance to OP insecticides in the mosquito Culex quinquefasciatus. Three additional CarE genes are upregulated in permethrin-resistant Cx. quinquefasciatus according to an RNA-seq analysis, but their function remains unknown. In this study, we, for the first time, characterized the function of these three novel genes using in vitro protein expression, an insecticide metabolism study and molecular docking analysis. All three CarE genes were significantly overexpressed in resistant mosquito larvae, but not adults, compared to susceptible strain. No gene copy differences in these three genes were found in the mosquitoes tested. In vitro high-performance liquid chromatography (HPLC) revealed that CPIJ018231, CPIJ018232, and CPIJ018233 metabolized 30.4% ± 2.9%, 34.7% ± 6.8%, and 23.2% ± 2.2% of the permethrin, respectively. No mutations in resistant strains might significantly affect their CarE hydrolysis ability. A docking analysis further confirmed that these three CarEs from resistant strain all potentially metabolize permethrin. Taken together, these three carboxylesterase genes could play important roles in the development of permethrin resistance in Cx. quinquefasciatus larvae through transcriptional overexpression, metabolism, and detoxification.
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Affiliation(s)
- Youhui Gong
- Department of Entomology and Plant Pathology, Auburn University, Auburn, Alabama, USA
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ming Li
- Department of Entomology and Plant Pathology, Auburn University, Auburn, Alabama, USA
- Department of Biology Sciences, University of California, San Diego, California, USA
| | - Ting Li
- Department of Entomology and Plant Pathology, Auburn University, Auburn, Alabama, USA
| | - Nannan Liu
- Department of Entomology and Plant Pathology, Auburn University, Auburn, Alabama, USA
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5
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Analysis of Biodegradation of the Synthetic Pyrethroid Cypermethrin by Beauveria bassiana. Curr Microbiol 2022; 79:46. [PMID: 34982241 DOI: 10.1007/s00284-021-02744-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 12/07/2021] [Indexed: 11/03/2022]
Abstract
Entomopathogenic fungi like Beauveria bassiana play a crucial role in natural control of arthropod pests which are being used in Integrated Pest Management programs. Assessing the compatibility of biological and chemical counterparts used in IPM programs is essential to achieve successful results in pest management. Behavior of four isolates of B. bassiana (ITCC 913, ARSEF 2860, ARSEF 1166, and ARSEF 3041) was tested in the presence of the pyrethroid insecticide cypermethrin. Spore germination and growth bioassays were conducted to assess the impact of cypermethrin on germination and growth. Though growth was not totally inhibited, there was retardation in the germination of spores and growth of the mycelium. Under this condition, ITCC 913 showed highest tolerance toward cypermethrin. Further analysis of the culture crude extracts by GC-MS revealed degradation of the insecticide by B. bassiana and putative intermediates of the degradation pathway were identified. This study reveals the potential of the entomopathogen B. bassiana in degradation of the pyrethroid insecticide cypermethrin. In conclusion, this potentiality of the studied fungus may help in the IPM strategies and find its role in degradation of such chemical pesticide compounds for utilization as a biodegradation agent further.
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Qu R, Zhu J, Li M, Jashenko R, Qiu X. Multiple Genetic Mutations Related to Insecticide Resistance are Detected in Field Kazakhstani House Flies (Muscidae: Diptera). JOURNAL OF MEDICAL ENTOMOLOGY 2021; 58:2338-2348. [PMID: 34197608 DOI: 10.1093/jme/tjab110] [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: 04/04/2021] [Indexed: 06/13/2023]
Abstract
The house fly (Musca domestica Linnaeus) is an important disease vector. Insecticide resistance is an obstacle to effective house fly control. Previous studies have demonstrated that point mutations in acetylcholinesterase (Ace), carboxylesterase (MdαE7) and voltage-sensitive sodium channel (Vssc), and over-expression of CYP6D1v1 confer insecticide resistance in the house fly. However, information about the status and underlying mechanisms of insecticide resistance in Kazakhstani house flies is lacking. In this study, we investigated the occurrence of genetic mutations associated with insecticide resistance in field house flies collected at six different locations in southern Kazakhstan. Four mutations (V260L, G342A/V, and F407Y) in Ace and three mutations (G137D and W251L/S) in MdαE7 were detected with appreciable frequencies. Notably, haplotypes carrying triple-loci mutations in Ace and double mutations in MdαE7 were found in Kazakhstan. The L1014H and L1014F mutations in Vssc, and CYP6D1v1 resistance allele were detected at a low frequency in some of the six investigated house fly populations. Phylogenetic analyses of haplotypes supported multiple origins of resistance mutations in Ace and MdαE7. These observations suggest that house flies in southern Kazakhstan may exhibit significant resistance to organophosphates and carbamates. Regular monitoring of insecticide resistance is recommended to achieve effective house fly control by chemical agents in southern Kazakhstan.
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Affiliation(s)
- Ruina Qu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiang Zhu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mei Li
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Roman Jashenko
- Institute of Zoology of the Republic of Kazakhstan, Almaty 050060, Kazakhstan
| | - Xinghui Qiu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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Tschesche C, Bekaert M, Humble JL, Bron JE, Sturm A. Genomic analysis of the carboxylesterase family in the salmon louse (Lepeophtheirus salmonis). Comp Biochem Physiol C Toxicol Pharmacol 2021; 248:109095. [PMID: 34098083 PMCID: PMC8387733 DOI: 10.1016/j.cbpc.2021.109095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 05/21/2021] [Accepted: 05/26/2021] [Indexed: 11/16/2022]
Abstract
The pyrethroid deltamethrin and the macrocyclic lactone emamectin benzoate (EMB) are used to treat infestations of farmed salmon by parasitic salmon lice, Lepeophtheirus salmonis. While the efficacy of both compounds against Atlantic populations of the parasite has decreased as a result of the evolution of resistance, the molecular mechanisms of drug resistance in L. salmonis are currently not fully understood. The functionally diverse carboxylesterases (CaE) family includes members involved in pesticide resistance phenotypes of terrestrial arthropods. The present study had the objective to characterize the CaE family in L. salmonis and assess its role in drug resistance. L. salmonis CaE homologues were identified by homology searches in the parasite's transcriptome and genome. The transcript expression of CaEs predicted to be catalytically competent was studied using quantitative reverse-transcription PCR in drug susceptible and multi-resistant L. salmonis. The above strategy led to the identification of 21 CaEs genes/pseudogenes. Phylogenetic analyses assigned 13 CaEs to clades involved in neurodevelopmental signaling and cell adhesion, while three sequences were predicted to encode secreted enzymes. Ten CaEs were identified as being potentially catalytically competent. Transcript expression of acetylcholinesterase (ace1b) was significantly increased in multi-resistant lice compared to drug-susceptible L. salmonis, with transcript abundance further increased in preadult-II females following EMB exposure. In summary, results from the present study demonstrate that L. salmonis possesses fewer CaE gene family members than most arthropods characterized so far. Drug resistance in L. salmonis was associated with overexpression of ace1b.
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Affiliation(s)
- Claudia Tschesche
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, United Kingdom.
| | - Michaël Bekaert
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, United Kingdom
| | - Joseph L Humble
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, United Kingdom
| | - James E Bron
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, United Kingdom
| | - Armin Sturm
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, United Kingdom
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Zhang H, Zhai W, Lin L, Wang P, Xu X, Wei W, Wei D. In Silico Rational Design and Protein Engineering of Disulfide Bridges of an α‐Amylase from
Geobacillus
sp. to Improve Thermostability. STARCH-STARKE 2021. [DOI: 10.1002/star.202000274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Heng Zhang
- State Key Laboratory of Bioreactor Engineering Newworld Institute of Biotechnology East China University of Science and Technology Shanghai 200237 P. R. China
| | - Wenxin Zhai
- State Key Laboratory of Bioreactor Engineering Newworld Institute of Biotechnology East China University of Science and Technology Shanghai 200237 P. R. China
| | - Lin Lin
- Shanghai University of Medicine and Health Sciences Shanghai 200093 P. R. China
- Research Laboratory for Functional Nanomaterial National Engineering Research Center for Nanotechnology Shanghai 200241 P. R. China
| | - Ping Wang
- Weigao Shanghai R&D Center Shanghai 201203 P. R. China
| | - Xiangyang Xu
- Zaozhuang jie nuo enzyme co. ltd Zaozhuang 277100 P. R. China
| | - Wei Wei
- State Key Laboratory of Bioreactor Engineering Newworld Institute of Biotechnology East China University of Science and Technology Shanghai 200237 P. R. China
| | - Dongzhi Wei
- State Key Laboratory of Bioreactor Engineering Newworld Institute of Biotechnology East China University of Science and Technology Shanghai 200237 P. R. China
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Zoh MG, Gaude T, Prud'homme SM, Riaz MA, David JP, Reynaud S. Molecular bases of P450-mediated resistance to the neonicotinoid insecticide imidacloprid in the mosquito Ae. aegypti. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 236:105860. [PMID: 34015756 DOI: 10.1016/j.aquatox.2021.105860] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 04/06/2021] [Accepted: 05/01/2021] [Indexed: 06/12/2023]
Abstract
Resistance to chemical insecticides including pyrethroids, the main insecticide class used against mosquitoes, has re-kindled interest in the use of neonicotinoids. In this context, the present study aimed to characterize the molecular basis of neonicotinoid resistance in the mosquito Aedes aegypti. Resistance mechanisms were studied by combining transcriptomic and genomic data obtained from a laboratory strain selected at the larval stage after 30 generations of exposure to imidacloprid (Imida-R line). After thirty generations of selection, larvae of the Imida-R line showed an 8-fold increased resistance to imidacloprid and a significant cross-tolerance to the pyrethroids permethrin and deltamethrin. Cross-resistance to pyrethroids was only observed in adults when larvae were previously exposed to imidacloprid suggesting a low but inducible expression of resistance alleles at the adult stage. Resistance of the Imida-R line was associated with a slower larval development time in females. Multiple detoxification enzymes were over-transcribed in larvae in association with resistance including the P450s CYP6BB2, CYP9M9 and CYP6M11 previously associated with pyrethroid resistance. Some of them together with their redox partner NADPH P450 reductase were also affected by non-synonymous mutations associated with resistance. Combining genomic and transcriptomic data allowed identifying promoter variations associated with the up-regulation of CYP6BB2 in the resistant line. Overall, these data confirm the key role of P450s in neonicotinoid resistance in Ae. aegypti and their potential to confer cross-resistance to pyrethroids, raising concerns about the use of neonicotinoids for resistance management in this mosquito species.
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Affiliation(s)
- Marius Gonse Zoh
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
| | - Thierry Gaude
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
| | | | - Muhammad Asam Riaz
- Department of Entomology, College of Agriculture, University of Sargodha, Sargodha Pakistan.
| | - Jean-Philippe David
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
| | - Stéphane Reynaud
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
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Black WC, Snell TK, Saavedra-Rodriguez K, Kading RC, Campbell CL. From Global to Local-New Insights into Features of Pyrethroid Detoxification in Vector Mosquitoes. INSECTS 2021; 12:insects12040276. [PMID: 33804964 PMCID: PMC8063960 DOI: 10.3390/insects12040276] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/18/2021] [Accepted: 03/20/2021] [Indexed: 02/04/2023]
Abstract
The threat of mosquito-borne diseases continues to be a problem for public health in subtropical and tropical regions of the world; in response, there has been increased use of adulticidal insecticides, such as pyrethroids, in human habitation areas over the last thirty years. As a result, the prevalence of pyrethroid-resistant genetic markers in natural mosquito populations has increased at an alarming rate. This review details recent advances in the understanding of specific mechanisms associated with pyrethroid resistance, with emphasis on features of insecticide detoxification and the interdependence of multiple cellular pathways. Together, these advances add important context to the understanding of the processes that are selected in resistant mosquitoes. Specifically, before pyrethroids bind to their targets on motoneurons, they must first permeate the outer cuticle and diffuse to inner tissues. Resistant mosquitoes have evolved detoxification mechanisms that rely on cytochrome P450s (CYP), esterases, carboxyesterases, and other oxidation/reduction (redox) components to effectively detoxify pyrethroids to nontoxic breakdown products that are then excreted. Enhanced resistance mechanisms have evolved to include alteration of gene copy number, transcriptional and post-transcriptional regulation of gene expression, as well as changes to cellular signaling mechanisms. Here, we outline the variety of ways in which detoxification has been selected in various mosquito populations, as well as key gene categories involved. Pathways associated with potential new genes of interest are proposed. Consideration of multiple cellular pathways could provide opportunities for development of new insecticides.
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11
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Molecular basis of resistance to organophosphate insecticides in the New World screw-worm fly. Parasit Vectors 2020; 13:562. [PMID: 33168079 PMCID: PMC7653728 DOI: 10.1186/s13071-020-04433-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/29/2020] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The emergence of insecticide resistance is a fast-paced example of the evolutionary process of natural selection. In this study, we investigated the molecular basis of resistance in the myiasis-causing fly Cochliomyia hominivorax (Diptera: Calliphoridae) to dimethyl-organophosphate (OP) insecticides.
Methods
By sequencing the RNA from surviving larvae treated with dimethyl-OP (resistant condition) and non-treated larvae (control condition), we identified genes displaying condition-specific polymorphisms, as well as those differentially expressed.
Results
Both analyses revealed that resistant individuals have altered expression and allele-specific expression of genes involved in proteolysis (specifically serine-endopeptidase), olfactory perception and cuticle metabolism, among others. We also confirmed that resistant individuals carry almost invariably the Trp251Ser mutation in the esterase E3, known to confer OP and Pyrethroid resistance. Interestingly, genes involved in metabolic and detoxifying processes (notably cytochrome P450s) were found under-expressed in resistant individuals. An exception to this were esterases, which were found up-regulated.
Conclusions
These observations suggest that reduced penetration and aversion to dimethyl-OP contaminated food may be important complementary strategies of resistant individuals. The specific genes and processes found are an important starting point for future functional studies. Their role in insecticide resistance merits consideration to better the current pest management strategies.
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Kaur P, Balomajumder C. Effective mycoremediation coupled with bioaugmentation studies: An advanced study on newly isolated Aspergillus sp. in Type-II pyrethroid-contaminated soil. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 261:114073. [PMID: 32078877 DOI: 10.1016/j.envpol.2020.114073] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/14/2020] [Accepted: 01/23/2020] [Indexed: 06/10/2023]
Abstract
The intensive application of type-II pyrethroid worldwide in agricultural and residential practices potentially contributes to soil and water pollution, raising various concerns about environmental and public health. In the present study, robust fungus (strain PYR-P2) with high pyrethroids degradation potential was isolated from pesticide-contaminated soil. The strain was identified based on morphology and molecular characteristics, as Aspergillus sp. The screening of the transforming ability of strain PYR-P2 was evaluated in minimal salt media (MSM), where the fungus utilized up to 500 mg L-1 of pyrethroid mixture (cypermethrin (CYP), cyfluthrin (CYF), cyhalothrin (CYH)). With this in view, central composite design (CCD) with three independent variables (pH, temperature, and initial concentration) was employed to identify the optimal conditions for achieving maximum pyrethroid removal. Under optimal conditions, strain PYR-P2 was implemented for the bioaugmentation studies in natural and sterile soil (NS/SS) systems spiked with pyrethroid (single and mixture) at a concentration of 100 mg kg-1. The highest pyrethroid removal percentages were observed in fungally augmented NS, accompanied by a decrease in pyrethroid half-life (t1/2). Herein, the observed half-life (t1/2) of pyrethroids in the fungally augmented NS varied between 1.48 and 2.69 d, with equally good values recorded in SS as 1.65-3.10 d. Taken together, the mycoremediation study employing fungal (strain PYR-P2) augmentation under optimized conditions represents an efficient strategy to restore pyrethroid-contaminated soil.
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Affiliation(s)
- Parminder Kaur
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
| | - Chandrajit Balomajumder
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
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Facile One-Pot Immobilization of a Novel Thermostable Carboxylesterase from Geobacillus uzenensis for Continuous Pesticide Degradation in a Packed-Bed Column Reactor. Catalysts 2020. [DOI: 10.3390/catal10050518] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The novel carboxylesterase gene (est741) was cloned from Geobacillus uzenensis. The optimal pH and temperature of Est741 were 8.0 and 50 °C. Through site-directed mutation, the optimum temperature of the mutant M160K(EstM160K) was increased from 50 to 60 °C, and showed enhanced T1/2 of 2.5 h at 70 °C in comparison to the wild type (1.3 h). EstM160K was successfully expressed Pichia pastoris and EstM160K fermentation broth was directly immobilized on epoxy-functionalized supports via a one-pot strategy to obtain the immobilized enzyme lx-EstM160K. Additionally, lx-EstM160K showed enhanced T1/2 of 36.8 h at 70 °C in comparison to free enzyme. lx-EstM160K could degrade various pyrethroid pesticides. After 40 min reaction with 50 U of the lx-EstM160K, the malathion removal was 95.8% with a malathion concentration of 20 mg/L. When 2.5 g lx-EstM160K was added to the 10 mL column reactor with the concentration of bifenthrin was 500 mg/L and the transfer rate of the pump was 0.7 mL/min, the degradation rate of lx-EstM160K to bifenthrin was 90.4%. lx-EstM160K exhibited high operational stability and maintained 72% initial activity after ten batches of continuous reaction for bifenthrin pesticide biodegradation.
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Bhatt P, Bhatt K, Huang Y, Lin Z, Chen S. Esterase is a powerful tool for the biodegradation of pyrethroid insecticides. CHEMOSPHERE 2020; 244:125507. [PMID: 31835049 DOI: 10.1016/j.chemosphere.2019.125507] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/11/2019] [Accepted: 11/28/2019] [Indexed: 06/10/2023]
Abstract
Agricultural and household applications of pyrethroid insecticides have significantly increased residual concentrations in living cells and environments. The enhanced concentration is toxic for living beings. Pyrethroid hydrolase enzyme (pyrethroid catalyzing esterase) regulates pyrethroid degradation, and has been well reported in various organisms (bacteria, fungi, insects and animals). Hydrolysis mechanisms of these esterases are different from others and properly function at factors viz., optimum temperature, pH and physicochemical environment. Active site of the enzyme contains common amino acids that play important role in pyrethroid catalysis. Immobilization technology emphasizes the development of better reusable efficiency of pyrethroid hydrolases to carry out large-scale applications for complete degradation of pyrethroids from the environments. In this review we have attempted to provide insights of pyrethroid-degrading esterases in different living systems along with complete mechanisms.
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Affiliation(s)
- Pankaj Bhatt
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Kalpana Bhatt
- Department of Botany and Microbiology, Gurukula Kangri University, Haridwar 249404, Uttarakhand, India
| | - Yaohua Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Ziqiu Lin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou 510642, China.
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Seong KM, Coates BS, Pittendrigh BR. Cytochrome P450s Cyp4p1 and Cyp4p2 associated with the DDT tolerance in the Drosophila melanogaster strain 91-R. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2019; 159:136-143. [PMID: 31400775 DOI: 10.1016/j.pestbp.2019.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/29/2019] [Accepted: 06/12/2019] [Indexed: 06/10/2023]
Abstract
Cytochrome P450s are part of a super-gene family that has undergone gene duplication, divergence, over-expression and, in some cases, loss of function. One such case is the 91-R and 91-C strains of common origin, in Drosophila melanogaster, whereby 91-R (DDT resistant strain) overexpresses Cyp4p1 and Cyp4p2 and both genes are lost in 91-C (DDT susceptible strain). In this study, we used a comparative approach to demonstrate that transcription of Cyp4p1 and Cyp4p2 were constitutively up-regulated in the Drosophila melanogaster strain 91-R as compared to another DDT susceptible strain Canton-S which does not have a loss of function of these genes. Furthermore, significantly increased expression of Cyp4p1 and Cyp4p2 was induced in 91-R in response to sublethal DDT exposure, however, such induction did not occur in the DDT treated Canton-S. Additionally, fixed nucleotide variation within putative transcription factor binding sites of Cyp4p1 and Cyp4p2 promoters were observed between 91-R and Canton-S, however, their impact on transcription remains to be determined. Two GAL4/UAS transgenic strains with integrated heat shock-inducible Cyp4p1- or Cyp4p2-RNAi constructs within wild-type genetic backgrounds were developed. Following heat shock induction of Cyp4p1 and Cyp4p2 knockdown, these transgenic lines showed increased DDT mortality as compared to their corresponding non-heat shock controls. These results provide a functional link of Cyp4p1 and Cyp4p2 in conferring tolerance to DDT exposure.
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Affiliation(s)
- Keon Mook Seong
- Department of Entomology, Michigan State University, East Lansing, MI, USA.
| | - Brad S Coates
- USDA-ARS, Corn Insects & Crop Genetics Research Unit, Ames, IA, USA
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Bhatt P, Huang Y, Zhan H, Chen S. Insight Into Microbial Applications for the Biodegradation of Pyrethroid Insecticides. Front Microbiol 2019; 10:1778. [PMID: 31428072 PMCID: PMC6687851 DOI: 10.3389/fmicb.2019.01778] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 07/18/2019] [Indexed: 12/13/2022] Open
Abstract
Pyrethroids are broad-spectrum insecticides and presence of chiral carbon differentiates among various forms of pyrethroids. Microbial approaches have emerged as a popular solution to counter pyrethroid toxicity to marine life and mammals. Bacterial and fungal strains can effectively degrade pyrethroids into non-toxic compounds. Different strains of bacteria and fungi such as Bacillus spp., Raoultella ornithinolytica, Psudomonas flourescens, Brevibacterium sp., Acinetobactor sp., Aspergillus sp., Candida sp., Trichoderma sp., and Candia spp., are used for the biodegradation of pyrethroids. Hydrolysis of ester bond by enzyme esterase/carboxyl esterase is the initial step in pyrethroid biodegradation. Esterase is found in bacteria, fungi, insect and mammalian liver microsome cells that indicates its hydrolysis ability in living cells. Biodegradation pattern and detected metabolites reveal microbial consumption of pyrethroids as carbon and nitrogen source. In this review, we aim to explore pyrethroid degrading strains, enzymes and metabolites produced by microbial strains. This review paper covers in-depth knowledge of pyrethroids and recommends possible solutions to minimize their environmental toxicity.
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Affiliation(s)
| | | | | | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
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Zhang JH, Zhang S, Yang YX, Zhang YX, Liu ZW. New insight into foregut functions of xenobiotic detoxification in the cockroach Periplaneta americana. INSECT SCIENCE 2018; 25:978-990. [PMID: 28556457 DOI: 10.1111/1744-7917.12486] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 04/19/2017] [Accepted: 04/23/2017] [Indexed: 06/07/2023]
Abstract
The physiological functions of insect foregut, especially in xenobiotic detoxification, are scarcely reported because of unimportance in appearance and insufficient molecular information. The cockroach Periplaneta americana, an entomological model organism, provides perfect material to study physiological functions of foregut tissue due to its architectural feature. Through Illumina sequencing of foregut tissue from P. americana individuals (control) or insects treated with cycloxaprid, as a novel neonicotinoid insecticide, 54 193 166 clean reads were obtained and further assembled into 53 853 unigenes with an average length of 366 bp. Furthermore, the number of unigenes involved in xenobiotic detoxification was analyzed, mainly including 70 cytochrome P450s, 12 glutathione S-transferases (GSTs), seven carboxylesterases (CarEs) and seven adenosine triphosphate-binding cassette (ABC) transporters. Compared to control, the expression of 22 xenobiotic detoxification unigenes was up-regulated after cycloxaprid application, mainly containing 18 P450s, one GST, two CarEs and one ABC adenosine triphosphate transporter, indicating that the oxidation-reduction was the major reactive process to cycloxaprid application. Through quantitative real-time polymerase chain reaction analysis, the expression of selected unigenes (six P450s, one GST and one CarE) was up-regulated at least two-fold following cycloxaprid treatment, and was generally in agreement with transcriptome data. Compared to the previous midgut transcriptome of P. americana, it looks like the expressive abundance of the xenobiotic detoxification unigenes might be important factors to the detoxifying functional differences between foregut and midgut. In conclusion, insect foregut would also play important roles in the physiological processes related to xenobiotic detoxification.
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Affiliation(s)
- Jian-Hua Zhang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Song Zhang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yuan-Xue Yang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yi-Xi Zhang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Ze-Wen Liu
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
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Yang J, Feng Y, Zhan H, Liu J, Yang F, Zhang K, Zhang L, Chen S. Characterization of a Pyrethroid-Degrading Pseudomonas fulva Strain P31 and Biochemical Degradation Pathway of D-Phenothrin. Front Microbiol 2018; 9:1003. [PMID: 29867894 PMCID: PMC5964208 DOI: 10.3389/fmicb.2018.01003] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 04/30/2018] [Indexed: 11/28/2022] Open
Abstract
D-phenothrin is one of the most popular pyrethroid insecticides for its broad spectrum and high insecticidal activity. However, continuous use of D-phenothrin has resulted in serious environmental contamination and raised public concern about its impact on human health. Biodegradation of D-phenothrin has never been investigated and its metabolic behaviors remain unknown. Here, a novel bacterial strain P31 was isolated from active sludge, which completely degraded (100%) D-phenothrin at 50 mg⋅L-1 in 72 h. Based on the morphology, 16S rRNA gene and Biolog tests, the strain was identified as Pseudomonas fulva. Biodegradation conditions were optimized as 29.5°C and pH 7.3 by utilizing response surface methodology. Strain P31 depicted high tolerance and strong D-phenothrin degradation ability through hydrolysis pathway. Strain P31 degraded D-phenothrin at inhibition constant (Ki) of 482.1673 mg⋅L-1 and maximum specific degradation constant (qmax) of 0.0455 h-1 whereas critical inhibitor concentration remained as 41.1189 mg⋅L-1. The 3-Phenoxybenzaldehyde and 1,2-benzenedicarboxylic butyl dacyl ester were identified as the major intermediate metabolites of D-phenothrin degradation pathway through high-performance liquid chromatography and gas chromatography-mass spectrometry. Bioaugmentation of D-phenothrin-contaminated soils with strain P31 dramatically enhanced its degradation, and over 75% of D-phenothrin was removed from soils within 10 days. Moreover, the strain illustrated a remarkable capacity to degrade other synthetic pyrethroids, including permethrin, cyhalothrin, β-cypermethrin, deltamethrin, fenpropathrin, and bifenthrin, exhibiting great potential in bioremediation of pyrethroid-contaminated environment.
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Affiliation(s)
- Jingjing Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Yanmei Feng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Hui Zhan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Jie Liu
- Laboratory of Insect Toxicology, and Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Fang Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Kaiyang Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Lianhui Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
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Sharma B, Dangi AK, Shukla P. Contemporary enzyme based technologies for bioremediation: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 210:10-22. [PMID: 29329004 DOI: 10.1016/j.jenvman.2017.12.075] [Citation(s) in RCA: 200] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 11/10/2017] [Accepted: 12/29/2017] [Indexed: 05/26/2023]
Abstract
The persistent disposal of xenobiotic compounds like insecticides, pesticides, fertilizers, plastics and other hydrocarbon containing substances is the major source of environmental pollution which needs to be eliminated. Many contemporary remediation methods such as physical, chemical and biological are currently being used, but they are not sufficient to clean the environment. The enzyme based bioremediation is an easy, quick, eco-friendly and socially acceptable approach used for the bioremediation of these recalcitrant xenobiotic compounds from the natural environment. Several microbial enzymes with bioremediation capability have been isolated and characterized from different natural sources, but less production of such enzymes is a limiting their further exploitation. The genetic engineering approach has the potential to get large amount of recombinant enzymes. Along with this, enzyme immobilization techniques can boost the half-life, stability and activity of enzymes at a significant level. Recently, nanozymes may offer the potential bioremediation ability towards a broad range of pollutants. In the present review, we have described a brief overview of the microbial enzymes, different enzymes techniques (genetic engineering and immobilization of enzymes) and nanozymes involved in bioremediation of toxic, carcinogenic and hazardous environmental pollutants.
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Affiliation(s)
- Babita Sharma
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak-124001, Haryana, India
| | - Arun Kumar Dangi
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak-124001, Haryana, India
| | - Pratyoosh Shukla
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak-124001, Haryana, India.
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Feng X, Li M, Liu N. Carboxylesterase genes in pyrethroid resistant house flies, Musca domestica. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2018; 92:30-39. [PMID: 29154832 DOI: 10.1016/j.ibmb.2017.11.007] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 10/23/2017] [Accepted: 11/13/2017] [Indexed: 06/07/2023]
Abstract
Carboxylesterases are one of the major enzyme families involved in the detoxification of pyrethroids. Up-regulation of carboxylesterase genes is thought to be a major component of insecticide resistant mechanisms in insects. Based on the house fly transcriptome and genome database, a total of 39 carboxylesterase genes of different functional clades have been identified in house flies. In this study, eleven of these genes were found to be significantly overexpressed in the resistant ALHF house fly strain compared with susceptible aabys and wild-type CS strains. Eight up-regulated carboxylesterase genes with their expression levels were further induced to a higher level in response to permethrin treatments, indicating that constitutive and inductive overexpression of carboxylesterases are co-responsible for the enhanced detoxification of insecticides. Spatial expression studies revealed these up-regulated genes to be abundantly distributed in fat bodies and genetically mapped on autosome 2 or 3 of house flies, and their expression could be regulated by factors on autosome 1, 2 and 5. Taken together, these results demonstrate that multiple carboxylesterase genes are co-upregulated in resistant house flies, providing further evidence for their involvement in the detoxification of insecticides and development of insecticide resistance.
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Affiliation(s)
- Xuechun Feng
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA
| | - Ming Li
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA; Department of Entomology, University of California, Riverside, CA 92521, USA
| | - Nannan Liu
- Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA.
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RNA-seq of Rice Yellow Stem Borer Scirpophaga incertulas Reveals Molecular Insights During Four Larval Developmental Stages. G3-GENES GENOMES GENETICS 2017; 7:3031-3045. [PMID: 28717048 PMCID: PMC5592929 DOI: 10.1534/g3.117.043737] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The yellow stem borer (YSB), Scirpophaga incertulas, is a prominent pest in rice cultivation causing serious yield losses. The larval stage is an important stage in YSB, responsible for maximum infestation. However, limited knowledge exists on the biology and mechanisms underlying the growth and differentiation of YSB. To understand and identify the genes involved in YSB development and infestation, so as to design pest control strategies, we performed de novo transcriptome analysis at the first, third, fifth, and seventh larval developmental stages employing Illumina Hi-seq. High-quality reads (HQR) of ∼229 Mb were assembled into 24,775 transcripts with an average size of 1485 bp. Genes associated with various metabolic processes, i.e., detoxification mechanism [CYP450, GSTs, and carboxylesterases (CarEs)], RNA interference (RNAi) machinery (Dcr-1, Dcr-2, Ago-1, Ago-2, Sid-1, Sid-2, Sid-3, and Sid-1-related gene), chemoreception (CSPs, GRs, OBPs, and ORs), and regulators [transcription factors (TFs) and hormones] were differentially regulated during the developmental stages. Identification of stage-specific transcripts made it possible to determine the essential processes of larval development. Comparative transcriptome analysis revealed that YSB has not evolved much with respect to the detoxification mechanism, but showed the presence of distinct RNAi machinery. The presence of strong specific visual recognition coupled with chemosensory mechanisms supports the monophagous nature of YSB. Designed expressed sequenced tags-simple-sequence repeats (EST-SSRs) will facilitate accurate estimation of the genetic diversity of YSB. This is the first report on characterization of the YSB transcriptome and the identification of genes involved in key processes, which will help researchers and industry to devise novel pest control strategies. This study also opens up a new avenue to develop next-generation resistant rice using RNAi or genome editing approaches.
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Faucon F, Gaude T, Dusfour I, Navratil V, Corbel V, Juntarajumnong W, Girod R, Poupardin R, Boyer F, Reynaud S, David JP. In the hunt for genomic markers of metabolic resistance to pyrethroids in the mosquito Aedes aegypti: An integrated next-generation sequencing approach. PLoS Negl Trop Dis 2017; 11:e0005526. [PMID: 28379969 PMCID: PMC5393893 DOI: 10.1371/journal.pntd.0005526] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 04/17/2017] [Accepted: 03/25/2017] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The capacity of Aedes mosquitoes to resist chemical insecticides threatens the control of major arbovirus diseases worldwide. Until alternative control tools are widely deployed, monitoring insecticide resistance levels and identifying resistance mechanisms in field mosquito populations is crucial for implementing appropriate management strategies. Metabolic resistance to pyrethroids is common in Aedes aegypti but the monitoring of the dynamics of resistant alleles is impeded by the lack of robust genomic markers. METHODOLOGY/PRINCIPAL FINDINGS In an attempt to identify the genomic bases of metabolic resistance to deltamethrin, multiple resistant and susceptible populations originating from various continents were compared using both RNA-seq and a targeted DNA-seq approach focused on the upstream regions of detoxification genes. Multiple detoxification enzymes were over transcribed in resistant populations, frequently associated with an increase in their gene copy number. Targeted sequencing identified potential promoter variations associated with their over transcription. Non-synonymous variations affecting detoxification enzymes were also identified in resistant populations. CONCLUSION /SIGNIFICANCE This study not only confirmed the role of gene copy number variations as a frequent cause of the over expression of detoxification enzymes associated with insecticide resistance in Aedes aegypti but also identified novel genomic resistance markers potentially associated with their cis-regulation and modifications of their protein structure conformation. As for gene transcription data, polymorphism patterns were frequently conserved within regions but differed among continents confirming the selection of different resistance factors worldwide. Overall, this study paves the way of the identification of a comprehensive set of genomic markers for monitoring the spatio-temporal dynamics of the variety of insecticide resistance mechanisms in Aedes aegypti.
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Affiliation(s)
- Frederic Faucon
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 2233 rue de la piscine Grenoble, France
- Université Grenoble—Alpes, France
- Environmental and Systems Biology (BEeSy), Université Grenoble Alpes, Grenoble, France
| | - Thierry Gaude
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 2233 rue de la piscine Grenoble, France
- Université Grenoble—Alpes, France
- Environmental and Systems Biology (BEeSy), Université Grenoble Alpes, Grenoble, France
| | - Isabelle Dusfour
- Unité d’Entomologie Médicale, Institut Pasteur de la Guyane, 23 avenue Pasteur, Cayenne, France
| | | | - Vincent Corbel
- Institut de Recherche pour le Développement (IRD), Maladies Infectieuses et Vecteurs, Ecologie, Génétique, Evolution et Contrôle (IRD 224-CNRS 5290 UM1-UM2), Montpellier, France
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Lat Yao Chatuchak Bangkok, Thailand
| | - Waraporn Juntarajumnong
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Lat Yao Chatuchak Bangkok, Thailand
- Center for Advanced Studies for Agriculture and Food, Kasetsart University Institute for Advanced Studies, Kasetsart University, Bangkok Thailand (CASAF, NRU-KU, Thailand)
| | - Romain Girod
- Unité d’Entomologie Médicale, Institut Pasteur de la Guyane, 23 avenue Pasteur, Cayenne, France
| | | | - Frederic Boyer
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 2233 rue de la piscine Grenoble, France
- Université Grenoble—Alpes, France
- Environmental and Systems Biology (BEeSy), Université Grenoble Alpes, Grenoble, France
| | - Stephane Reynaud
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 2233 rue de la piscine Grenoble, France
- Université Grenoble—Alpes, France
- Environmental and Systems Biology (BEeSy), Université Grenoble Alpes, Grenoble, France
| | - Jean-Philippe David
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 2233 rue de la piscine Grenoble, France
- Université Grenoble—Alpes, France
- Environmental and Systems Biology (BEeSy), Université Grenoble Alpes, Grenoble, France
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Kishk A, Anber HAI, AbdEl-Raof TK, El-Sherbeni AHD, Hamed S, Gowda S, Killiny N. RNA interference of carboxyesterases causes nymph mortality in the Asian citrus psyllid, Diaphorina citri. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2017; 94. [PMID: 28195667 DOI: 10.1002/arch.21377] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae), is an important pest of citrus. In addition, D. citri is the vector of Huanglongbing, a destructive disease in citrus, also known as citrus greening disease caused by Candidatus Liberibacter asiaticus. Huanglongbing causes huge losses for citrus industries. Insecticide application for D. citri is the major strategy to prevent disease spread. The heavy use of insecticides causes development of insecticide resistance. We used RNA interference (RNAi) to silence genes implicated in pesticide resistance in order to increase the susceptibility. The activity of dsRNA to reduce the expression of carboxyesterases including esterases FE4 (EstFE4) and acetylcholinesterases (AChe) in D. citri was investigated. The dsRNA was applied topically to the fourth and fifth instars of nymphs. We targeted several EstFE4 and AChe genes using dsRNA against a consensus sequence for each of them. Five concentrations (25, 50, 75, 100, 125 ng/μl) from both dsRNAs were used. The treatments with the dsRNA caused concentration dependent nymph mortality. The highest gene expression levels of both AChe and EstFE4 were found in the fourth and fifth nymphal instars. Gene expression analysis showed that AChe genes were downregulated in emerged adults from dsRNA-AChe-treated nymphs compared to controls. However, EstFE4 genes were not affected. In the same manner, treatment with dsRNA-EstFE4 reduced expression level of EstFE4 genes in emerged adults from treated nymphs, but did not affect the expression of AChe genes. In the era of environmentally friendly control strategies, RNAi is a new promising venue to reduce pesticide applications.
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Affiliation(s)
- Abdelaziz Kishk
- Department of Plant Pathology, IFAS, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, USA
- Department of Plant Protection, Faculty of Agriculture, Tanta University, Tanta, Egypt
| | - Helmy A I Anber
- Department of Plant Protection, Faculty of Agriculture, Tanta University, Tanta, Egypt
| | - Tsamoh K AbdEl-Raof
- Department of Plant Protection, Faculty of Agriculture, Tanta University, Tanta, Egypt
| | | | - Sobhy Hamed
- Department of Plant Protection, Faculty of Agriculture, Tanta University, Tanta, Egypt
| | - Siddarame Gowda
- Department of Plant Pathology, IFAS, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, USA
| | - Nabil Killiny
- Department of Plant Pathology, IFAS, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, USA
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Silva WM, Berger M, Bass C, Williamson M, Moura DMN, Ribeiro LMS, Siqueira HAA. Mutation (G275E) of the nicotinic acetylcholine receptor α6 subunit is associated with high levels of resistance to spinosyns in Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2016; 131:1-8. [PMID: 27265820 DOI: 10.1016/j.pestbp.2016.02.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 01/14/2016] [Accepted: 02/17/2016] [Indexed: 06/05/2023]
Abstract
The tomato leafminer, Tuta absoluta, now a major pest of tomato crops worldwide, is primarily controlled using chemical insecticides. Recently, high levels of resistance to the insecticide spinosad have been described in T. absoluta populations in Brazil. Selection of a resistant field-collected strain led to very high levels of resistance to spinosad and cross-resistance to spinetoram, but not to other insecticides that target the nicotinic acetylcholine receptor (nAChR). In this study the mechanisms underlying resistance to spinosad were investigated using toxicological, biochemical and molecular approaches. Inhibition of metabolic enzymes using synergists and biochemical assessment of detoxification enzyme activity provided little evidence of metabolic resistance in the selected strain. Cloning and sequencing of the nAChR α6 subunit from T. absoluta, the spinosad target-site, from susceptible and spinosad-resistant strains were done to investigate the role of a target-site mechanism in resistance. A single nucleotide change was identified in exon 9 of the α6 subunit of the resistant strain, resulting in the replacement of the glycine (G) residue at position 275 observed in susceptible T. absoluta strains with a glutamic acid (E). A high-throughput DNA-based diagnostic assay was developed and used to assess the prevalence of the G275E mutation in 17 field populations collected from different geographical regions of Brazil. The resistant allele was found at low frequency, and in the heterozygous form, in seven of these populations but at much higher frequency and in the homozygous form in a population collected in the Iraquara municipality. The frequency of the mutation was significantly correlated with the mortality of these populations in discriminating dose bioassays. In summary our results provide evidence that the G275E mutation is an important mechanism of resistance to spinosyns in T. absoluta, and may be used as a marker for resistance monitoring in field populations.
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Affiliation(s)
- Wellington M Silva
- Departamento de Agronomia - (Entomologia), Universidade Federal Rural de Pernambuco, 52171-900 Recife, PE, Brazil
| | - Madeleine Berger
- Department of Biological Chemistry and Crop Protection, Rothamsted Research, Harpenden AL5 2JQ, United Kingdom
| | - Chris Bass
- College of Life and Environmental Sciences, Biosciences, University of Exeter, Penryn Campus, Penryn, Cornwall TR10 9FE, UK
| | - Martin Williamson
- Department of Biological Chemistry and Crop Protection, Rothamsted Research, Harpenden AL5 2JQ, United Kingdom
| | - Danielle M N Moura
- Departamento de Microbiologia, Aggeu Magalhães - FIOCRUZ, 50732-970 Recife, PE, Brazil
| | - Lílian M S Ribeiro
- Departamento de Agronomia - (Entomologia), Universidade Federal Rural de Pernambuco, 52171-900 Recife, PE, Brazil
| | - Herbert A A Siqueira
- Departamento de Agronomia - (Entomologia), Universidade Federal Rural de Pernambuco, 52171-900 Recife, PE, Brazil.
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Zhang J, Zhang Y, Li J, Liu M, Liu Z. Midgut Transcriptome of the Cockroach Periplaneta americana and Its Microbiota: Digestion, Detoxification and Oxidative Stress Response. PLoS One 2016; 11:e0155254. [PMID: 27153200 PMCID: PMC4859610 DOI: 10.1371/journal.pone.0155254] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 04/26/2016] [Indexed: 02/01/2023] Open
Abstract
The cockroach, Periplaneta americana, is an obnoxious and notorious pest of the world, with a strong ability to adapt to a variety of complex environments. However, the molecular mechanism of this adaptability is mostly unknown. In this study, the genes and microbiota composition associated with the adaptation mechanism were studied by analyzing the transcriptome and 16S rDNA pyrosequencing of the P. americana midgut, respectively. Midgut transcriptome analysis identified 82,905 unigenes, among which 64 genes putatively involved in digestion (11 genes), detoxification (37 genes) and oxidative stress response (16 genes) were found. Evaluation of gene expression following treatment with cycloxaprid further revealed that the selected genes (CYP6J1, CYP4C1, CYP6K1, Delta GST, alpha-amylase, beta-glucosidase and aminopeptidase) were upregulated at least 2.0-fold at the transcriptional level, and four genes were upregulated more than 10.0-fold. An interesting finding was that three digestive enzymes positively responded to cycloxaprid application. Tissue expression profiles further showed that most of the selected genes were midgut-biased, with the exception of CYP6K1. The midgut microbiota composition was obtained via 16S rDNA pyrosequencing and was found to be mainly dominated by organisms from the Firmicutes phylum, among which Clostridiales, Lactobacillales and Burkholderiales were the main orders which might assist the host in the food digestion or detoxification of noxious compounds. The preponderant species, Clostridium cellulovorans, was previously reported to degrade lignocellulose efficiently in insects. The abundance of genes involved in digestion, detoxification and response to oxidative stress, and the diversity of microbiota in the midgut might provide P. americana high capacity to adapt to complex environments.
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Affiliation(s)
- Jianhua Zhang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Yixi Zhang
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Jingjing Li
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Meiling Liu
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
| | - Zewen Liu
- Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), College of Plant Protection, Nanjing Agricultural University, Nanjing, China
- * E-mail:
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Terhzaz S, Cabrero P, Brinzer RA, Halberg KA, Dow JAT, Davies SA. A novel role of Drosophila cytochrome P450-4e3 in permethrin insecticide tolerance. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2015; 67:38-46. [PMID: 26073628 PMCID: PMC4673087 DOI: 10.1016/j.ibmb.2015.06.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 05/27/2015] [Accepted: 06/04/2015] [Indexed: 06/01/2023]
Abstract
The exposure of insects to xenobiotics, such as insecticides, triggers a complex defence response necessary for survival. This response includes the induction of genes that encode key Cytochrome P450 monooxygenase detoxification enzymes. Drosophila melanogaster Malpighian (renal) tubules are critical organs in the detoxification and elimination of these foreign compounds, so the tubule response induced by dietary exposure to the insecticide permethrin was examined. We found that expression of the gene encoding Cytochrome P450-4e3 (Cyp4e3) is significantly up-regulated by Drosophila fed on permethrin and that manipulation of Cyp4e3 levels, specifically in the principal cells of the Malpighian tubules, impacts significantly on the survival of permethrin-fed flies. Both dietary exposure to permethrin and Cyp4e3 knockdown cause a significant elevation of oxidative stress-associated markers in the tubules, including H2O2 and lipid peroxidation byproduct, HNE (4-hydroxynonenal). Thus, Cyp4e3 may play an important role in regulating H2O2 levels in the endoplasmic reticulum (ER) where it resides, and its absence triggers a JAK/STAT and NF-κB-mediated stress response, similar to that observed in cells under ER stress. This work increases our understanding of the molecular mechanisms of insecticide detoxification and provides further evidence of the oxidative stress responses induced by permethrin metabolism.
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Affiliation(s)
- Selim Terhzaz
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, United Kingdom.
| | - Pablo Cabrero
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, United Kingdom
| | - Robert A Brinzer
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, United Kingdom
| | - Kenneth A Halberg
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, United Kingdom
| | - Julian A T Dow
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, United Kingdom
| | - Shireen-A Davies
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, Scotland, United Kingdom
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Karthi S, Shivakumar MS. Time-of-day specific changes in pesticide detoxification ability ofSpodoptera litura(Lepidoptera: Noctuidae). BIOL RHYTHM RES 2015. [DOI: 10.1080/09291016.2015.1116738] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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28
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Arouri R, Le Goff G, Hemden H, Navarro-Llopis V, M'saad M, Castañera P, Feyereisen R, Hernández-Crespo P, Ortego F. Resistance to lambda-cyhalothrin in Spanish field populations of Ceratitis capitata and metabolic resistance mediated by P450 in a resistant strain. PEST MANAGEMENT SCIENCE 2015; 71:1281-1291. [PMID: 25296621 DOI: 10.1002/ps.3924] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 09/24/2014] [Accepted: 09/29/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND The withdrawal of malathion in the European Union in 2009 resulted in a large increase in lambda-cyhalothrin applications for the control of the Mediterranean fruit fly, Ceratitis capitata, in Spanish citrus crops. RESULTS Spanish field populations of C. capitata have developed resistance to lambda-cyhalothrin (6-14-fold), achieving LC50 values (129-287 ppm) higher than the recommended concentration for field treatments (125 ppm). These results contrast with the high susceptibility to lambda-cyhalothrin found in three Tunisian field populations. We have studied the mechanism of resistance in the laboratory-selected resistant strain W-1Kλ (205-fold resistance). Bioassays with synergists showed that resistance was almost completely suppressed by the P450 inhibitor PBO. The study of the expression of 53 P450 genes belonging to the CYP4, CYP6, CYP9 and CYP12 families in C. capitata revealed that CYP6A51 was overexpressed (13-18-fold) in the resistant strain. The W-1Kλ strain also showed high levels of cross-resistance to etofenprox (240-fold) and deltamethrin (150-fold). CONCLUSION Field-evolved resistance to lambda-cyhalothrin has been found in C. capitata. Metabolic resistance mediated by P450 appears to be the main resistance mechanism in the resistant strain W-1Kλ. The levels of cross-resistance found may compromise the effectiveness of other pyrethroids for the control of this species. © 2014 Society of Chemical Industry.
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Affiliation(s)
- Rabeh Arouri
- Departamento de Biologia Medioambiental, Centro de Investigaciones Biológicas, CSIC, Madrid, Spain
| | - Gaelle Le Goff
- INRA, CNRS, Université de Nice Sophia Antipolis, Sophia Antipolis, France
| | - Hiethem Hemden
- Centre National des Sciences et Technologies Nucléaires (CNSTN), Sidi Thabet, Tunisia
| | | | - Mariem M'saad
- Centre National des Sciences et Technologies Nucléaires (CNSTN), Sidi Thabet, Tunisia
| | - Pedro Castañera
- Departamento de Biologia Medioambiental, Centro de Investigaciones Biológicas, CSIC, Madrid, Spain
| | - René Feyereisen
- INRA, CNRS, Université de Nice Sophia Antipolis, Sophia Antipolis, France
| | - Pedro Hernández-Crespo
- Departamento de Biologia Medioambiental, Centro de Investigaciones Biológicas, CSIC, Madrid, Spain
| | - Félix Ortego
- Departamento de Biologia Medioambiental, Centro de Investigaciones Biológicas, CSIC, Madrid, Spain
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Faucon F, Dusfour I, Gaude T, Navratil V, Boyer F, Chandre F, Sirisopa P, Thanispong K, Juntarajumnong W, Poupardin R, Chareonviriyaphap T, Girod R, Corbel V, Reynaud S, David JP. Identifying genomic changes associated with insecticide resistance in the dengue mosquito Aedes aegypti by deep targeted sequencing. Genome Res 2015. [PMID: 26206155 PMCID: PMC4561493 DOI: 10.1101/gr.189225.115] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The capacity of mosquitoes to resist insecticides threatens the control of diseases such as dengue and malaria. Until alternative control tools are implemented, characterizing resistance mechanisms is crucial for managing resistance in natural populations. Insecticide biodegradation by detoxification enzymes is a common resistance mechanism; however, the genomic changes underlying this mechanism have rarely been identified, precluding individual resistance genotyping. In particular, the role of copy number variations (CNVs) and polymorphisms of detoxification enzymes have never been investigated at the genome level, although they can represent robust markers of metabolic resistance. In this context, we combined target enrichment with high-throughput sequencing for conducting the first comprehensive screening of gene amplifications and polymorphisms associated with insecticide resistance in mosquitoes. More than 760 candidate genes were captured and deep sequenced in several populations of the dengue mosquito Ae. aegypti displaying distinct genetic backgrounds and contrasted resistance levels to the insecticide deltamethrin. CNV analysis identified 41 gene amplifications associated with resistance, most affecting cytochrome P450s overtranscribed in resistant populations. Polymorphism analysis detected more than 30,000 variants and strong selection footprints in specific genomic regions. Combining Bayesian and allele frequency filtering approaches identified 55 nonsynonymous variants strongly associated with resistance. Both CNVs and polymorphisms were conserved within regions but differed across continents, confirming that genomic changes underlying metabolic resistance to insecticides are not universal. By identifying novel DNA markers of insecticide resistance, this study opens the way for tracking down metabolic changes developed by mosquitoes to resist insecticides within and among populations.
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Affiliation(s)
- Frederic Faucon
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 38041 Grenoble Cedex 9, France; Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France; Environmental and Systems Biology (BEeSy), Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France
| | - Isabelle Dusfour
- Unité d'Entomologie Médicale, Institut Pasteur de la Guyane, 97306 Cayenne Cedex, France
| | - Thierry Gaude
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 38041 Grenoble Cedex 9, France; Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France; Environmental and Systems Biology (BEeSy), Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France
| | - Vincent Navratil
- Pôle Rhône Alpes de Bioinformatique, Université Lyon 1, 69100 Villeurbanne, France
| | - Frederic Boyer
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 38041 Grenoble Cedex 9, France; Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France; Environmental and Systems Biology (BEeSy), Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France
| | - Fabrice Chandre
- Institut de Recherche pour le Développement (IRD), Maladies Infectieuses et Vecteurs, Ecologie, Génétique, Evolution et Contrôle (IRD 224-CNRS 5290 UM1-UM2), 34394 Montpellier Cedex 5, France
| | - Patcharawan Sirisopa
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Lat Yao Chatuchak Bangkok 10900, Thailand; Center for Advanced Studies for Agriculture and Food, Kasetsart University Institute for Advanced Studies, Kasetsart University, Bangkok 10900, Thailand (CASAF, NRU-KU, Thailand)
| | - Kanutcharee Thanispong
- Bureau of Vector Borne Diseases, Department of Disease Control, Ministry of Public Health, Mueang, Nonthaburi 11000, Thailand
| | - Waraporn Juntarajumnong
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Lat Yao Chatuchak Bangkok 10900, Thailand; Center for Advanced Studies for Agriculture and Food, Kasetsart University Institute for Advanced Studies, Kasetsart University, Bangkok 10900, Thailand (CASAF, NRU-KU, Thailand)
| | - Rodolphe Poupardin
- Vector Biology Group, Liverpool School of Tropical Medicine, L35QA Liverpool, United Kingdom
| | - Theeraphap Chareonviriyaphap
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Lat Yao Chatuchak Bangkok 10900, Thailand; Center for Advanced Studies for Agriculture and Food, Kasetsart University Institute for Advanced Studies, Kasetsart University, Bangkok 10900, Thailand (CASAF, NRU-KU, Thailand)
| | - Romain Girod
- Unité d'Entomologie Médicale, Institut Pasteur de la Guyane, 97306 Cayenne Cedex, France
| | - Vincent Corbel
- Institut de Recherche pour le Développement (IRD), Maladies Infectieuses et Vecteurs, Ecologie, Génétique, Evolution et Contrôle (IRD 224-CNRS 5290 UM1-UM2), 34394 Montpellier Cedex 5, France; Department of Entomology, Faculty of Agriculture, Kasetsart University, Lat Yao Chatuchak Bangkok 10900, Thailand; Center for Advanced Studies for Agriculture and Food, Kasetsart University Institute for Advanced Studies, Kasetsart University, Bangkok 10900, Thailand (CASAF, NRU-KU, Thailand)
| | - Stephane Reynaud
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 38041 Grenoble Cedex 9, France; Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France; Environmental and Systems Biology (BEeSy), Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France
| | - Jean-Philippe David
- Laboratoire d'Ecologie Alpine (LECA), CNRS, UMR 5553, 38041 Grenoble Cedex 9, France; Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France; Environmental and Systems Biology (BEeSy), Université Grenoble-Alpes, 38041 Grenoble Cedex 9, France
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Lü FG, Fu KY, Li Q, Guo WC, Ahmat T, Li GQ. Identification of carboxylesterase genes and their expression profiles in the Colorado potato beetle Leptinotarsa decemlineata treated with fipronil and cyhalothrin. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2015; 122:86-95. [PMID: 26071812 DOI: 10.1016/j.pestbp.2014.12.015] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 11/12/2014] [Accepted: 12/15/2014] [Indexed: 06/04/2023]
Abstract
Based on the Leptinotarsa decemlineata transcriptome dataset and the GenBank sequences, 70 novel carboxylesterases and 2 acetylcholinesterases were found. The 72 members belong to a multifunctional carboxylesterase/cholinesterase superfamily (CCE). A phylogenetic tree including the 72 LdCCEs and the CCEs from Tribolium castaneum, Drosophila melanogaster and Apis mellifera revealed that all CCEs fell into three main phylogenetic groups: dietary/detoxification, hormone/semiochemical processing, and neurodevelopmental classes. Numbers of L. decemlineata CCEs in the three classes were 52, 12 and 8, respectively. The dietary/detoxification class includes two clades: coleopteran xenobiotic metabolizing and α-esterase type CCEs. CCEs in the two clades have independently expanded in L. decemlineata. The hormone/semiochemical processing class has three clades: integument CCEs, β- and pheromone CCEs and juvenile hormone CCEs. Integument CCEs in L. decemlineata have also expanded. The neurodevelopmental CCEs are implicated the most ancient class, containing acetylcholinesterase, neuroligin, neurotactin, glutactin, gliotactin and others. Among the 70 novel CCE genes, KM220566, KM220530, KM220576, KM220527 and KM220541 were fipronil-inducible, and KM220578, KM220566, KM220542, KM220564, KM220561, KM220554, KM220527, KM220538 and KM220541 were cyhalothrin-inducible. They were the candidates involving in insecticide detoxification. Moreover, our results also provided a platform to understand the functions and evolution of L. decemlineata CCE genes.
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Affiliation(s)
- Feng-Gong Lü
- Education Ministry Key Laboratory of Integrated Management of Crop Diseases and Pests, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
| | - Kai-Yun Fu
- Education Ministry Key Laboratory of Integrated Management of Crop Diseases and Pests, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
| | - Qian Li
- Education Ministry Key Laboratory of Integrated Management of Crop Diseases and Pests, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
| | - Wen-Chao Guo
- Department of Plant Protection, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
| | - Tursun Ahmat
- Department of Plant Protection, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
| | - Guo-Qing Li
- Education Ministry Key Laboratory of Integrated Management of Crop Diseases and Pests, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China.
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31
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Yuan G, Li Y, Farnsworth CA, Coppin CW, Devonshire AL, Scott C, Russell RJ, Wu Y, Oakeshott JG. Isomer-specific comparisons of the hydrolysis of synthetic pyrethroids and their fluorogenic analogues by esterases from the cotton bollworm Helicoverpa armigera. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2015; 121:102-106. [PMID: 26047117 DOI: 10.1016/j.pestbp.2014.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Accepted: 12/10/2014] [Indexed: 06/04/2023]
Abstract
The low aqueous solubility and chiral complexity of synthetic pyrethroids, together with large differences between isomers in their insecticidal potency, have hindered the development of meaningful assays of their metabolism and metabolic resistance to them. To overcome these problems, Shan and Hammock (2001) [7] therefore developed fluorogenic and more water-soluble analogues of all the individual isomers of the commonly used Type 2 pyrethroids, cypermethrin and fenvalerate. The analogues have now been used in several studies of esterase-based metabolism and metabolic resistance. Here we test the validity of these analogues by quantitatively comparing their hydrolysis by a battery of 22 heterologously expressed insect esterases with the hydrolysis of the corresponding pyrethroid isomers by these esterases in an HPLC assay recently developed by Teese et al. (2013) [14]. We find a strong, albeit not complete, correlation (r = 0.7) between rates for the two sets of substrates. The three most potent isomers tested were all relatively slowly degraded in both sets of data but three esterases previously associated with pyrethroid resistance in Helicoverpa armigera did not show higher activities for these isomers than did allelic enzymes derived from susceptible H. armigera. Given their amenability to continuous assays at low substrate concentrations in microplate format, and ready detection of product, we endorse the ongoing utility of the analogues in many metabolic studies of pyrethroids.
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Affiliation(s)
- G Yuan
- Key laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400716, China; Department of Entomology, College of Plant Protection, Key Laboratory of Monitoring and Management of Crop Diseases and Pest Insects (Ministry of Agriculture), Nanjing Agricultural University, Nanjing 210095, China
| | - Y Li
- Research and Development Centre of Biorational Pesticides, Northwest Agriculture and Forestry University, Yangling, China
| | - C A Farnsworth
- CSIRO Land & Water Flagship, ACT, Australia; School of Biological Sciences, Australian National University, ACT, Australia; Cotton Catchment Communities CRC, Narrabri, NSW, Australia
| | - C W Coppin
- CSIRO Land & Water Flagship, ACT, Australia
| | | | - C Scott
- CSIRO Land & Water Flagship, ACT, Australia
| | | | - Y Wu
- Department of Entomology, College of Plant Protection, Key Laboratory of Monitoring and Management of Crop Diseases and Pest Insects (Ministry of Agriculture), Nanjing Agricultural University, Nanjing 210095, China
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32
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Cui F, Li MX, Chang HJ, Mao Y, Zhang HY, Lu LX, Yan SG, Lang ML, Liu L, Qiao CL. Carboxylesterase-mediated insecticide resistance: Quantitative increase induces broader metabolic resistance than qualitative change. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2015; 121:88-96. [PMID: 26047115 DOI: 10.1016/j.pestbp.2014.12.016] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 12/13/2014] [Accepted: 12/15/2014] [Indexed: 05/27/2023]
Abstract
Carboxylesterases are mainly involved in the mediation of metabolic resistance of many insects to organophosphate (OP) insecticides. Carboxylesterases underwent two divergent evolutionary events: (1) quantitative mechanism characterized by the overproduction of carboxylesterase protein; and (2) qualitative mechanism caused by changes in enzymatic properties because of mutation from glycine/alanine to aspartate at the 151 site (G/A151D) or from tryptophan to leucine at the 271 site (W271L), following the numbering of Drosophila melanogaster AChE. Qualitative mechanism has been observed in few species. However, whether this carboxylesterase mutation mechanism is prevalent in insects remains unclear. In this study, wild-type, G/A151D and W271L mutant carboxylesterases from Culex pipiens and Aphis gossypii were subjected to germline transformation and then transferred to D. melanogaster. These germlines were ubiquitously expressed as induced by tub-Gal4. In carboxylesterase activity assay, the introduced mutant carboxylesterase did not enhance the overall carboxylesterase activity of flies. This result indicated that G/A151D or W271L mutation disrupted the original activities of the enzyme. Less than 1.5-fold OP resistance was only observed in flies expressing A. gossypii mutant carboxylesterases compared with those expressing A. gossypii wild-type carboxylesterase. However, transgenic flies universally showed low resistance to OP insecticides compared with non-transgenic flies. The flies expressing A. gossypii W271L mutant esterase exhibited 1.5-fold resistance to deltamethrin, a pyrethroid insecticide compared with non-transgenic flies. The present transgenic Drosophila system potentially showed that a quantitative increase in carboxylesterases induced broader resistance of insects to insecticides than a qualitative change.
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Affiliation(s)
- Feng Cui
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
| | - Mei-Xia Li
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Hai-Jing Chang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Department of Molecular Biology and Bioinformatics, College of Life Science, Agricultural University of Hebei, Baoding 071000, China
| | - Yun Mao
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Han-Ying Zhang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Li-Xia Lu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Shuai-Guo Yan
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; College of Life Science, Henan Normal University, Xinxiang 453007, China
| | - Ming-Lin Lang
- Department of Molecular Biology and Bioinformatics, College of Life Science, Agricultural University of Hebei, Baoding 071000, China
| | - Li Liu
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.
| | - Chuan-Ling Qiao
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
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Bergamo LW, Fresia P, Azeredo-Espin AML. Incongruent nuclear and mitochondrial genetic structure of new world screwworm fly populations due to positive selection of mutations associated with dimethyl- and diethyl-organophosphates resistance. PLoS One 2015; 10:e0128441. [PMID: 26030866 PMCID: PMC4451984 DOI: 10.1371/journal.pone.0128441] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 04/27/2015] [Indexed: 11/30/2022] Open
Abstract
Livestock production is an important economic activity in Brazil, which has been suffering significant losses due to the impact of parasites. The New World screwworm (NWS) fly, Cochliomyia hominivorax, is an ectoparasite and one of the most important myiasis-causing flies endemic to the Americas. The geographic distribution of NWS has been reduced after the implementation of the Sterile Insect Technique (SIT), being eradicated in North America and part of Central America. In South America, C. hominivorax is controlled by chemical insecticides, although indiscriminate use can cause selection of resistant individuals. Previous studies have associated the Gly137Asp and Trp251Leu mutations in the active site of carboxylesterase E3 to resistance of diethyl and dimethyl-organophosphates insecticides, respectively. Here, we have sequenced a fragment of the carboxylesterase E3 gene (ChαE7), comprising part of intron iII, exon eIII, intron iIII and part of exon eIV, and three mitochondrial gene sequences (CR, COI and COII), of NWS flies from 21 locations in South America. These markers were used for population structure analyses and the ChαE7 gene was also investigated to gain insight into the selective pressures that have shaped its evolution. Analysis of molecular variance (AMOVA) and pairwise FST analysis indicated an increased genetic structure between locations in the ChαE7 compared to the concatenated mitochondrial genes. Discriminant analysis of principal components (DAPC) and spatial analysis of molecular variance (SAMOVA) indicated different degrees of genetic structure for all markers, in agreement with the AMOVA results, but with low correlation to geographic data. The NWS fly is considered a panmitic species based on mitochondrial data, while it is structured into three groups considering the ChαE7 gene. A negative association between the two mutations related to organophosphate resistance and Fay & Wu’s H significant negative values for the exons, suggest that these mutations evolved under positive selection.
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Affiliation(s)
- Luana Walravens Bergamo
- Center for Molecular Biology and Genetic Engineering (CBMEG), Campinas State University (UNICAMP), Campinas, SP, Brazil
- Department of Genetics, Evolution and Bioagents (DGEB), Institute of Biology (IB), Campinas State University (UNICAMP), Campinas, SP, Brazil
- * E-mail:
| | - Pablo Fresia
- Center for Molecular Biology and Genetic Engineering (CBMEG), Campinas State University (UNICAMP), Campinas, SP, Brazil
| | - Ana Maria L. Azeredo-Espin
- Center for Molecular Biology and Genetic Engineering (CBMEG), Campinas State University (UNICAMP), Campinas, SP, Brazil
- Department of Genetics, Evolution and Bioagents (DGEB), Institute of Biology (IB), Campinas State University (UNICAMP), Campinas, SP, Brazil
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Pathway and kinetics of cyhalothrin biodegradation by Bacillus thuringiensis strain ZS-19. Sci Rep 2015; 5:8784. [PMID: 25740758 PMCID: PMC4350101 DOI: 10.1038/srep08784] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 02/04/2015] [Indexed: 11/22/2022] Open
Abstract
Cyhalothrin is a common environmental pollutant which poses increased risks to non-target organisms including human beings. This study reported for the first time a newly isolated strain, Bacillus thuringiensis ZS-19 completely degraded cyhalothrin in minimal medium within 72 h. The bacterium transformed cyhalothrin by cleavage of both the ester linkage and diaryl bond to yield six intermediate products. Moreover, a novel degradation pathway of cyhalothrin in strain ZS-19 was proposed on the basis of the identified metabolites. In addition to degradation of cyhalothrin, this strain was found to be capable of degrading 3-phenoxybenzoic acid, a common metabolite of pyrethroids. Furthermore, strain ZS-19 participated in efficient degradation of a wide range of pyrethroids including cyhalothrin, fenpropathrinn, deltamethrin, beta-cypermethrin, cyfluthrin and bifenthrin. Taken together, our results provide insights into the mechanism of cyhalothrin degradation and also highlight the promising potentials of B.thuringiensis ZS-19 in bioremediation of pyrethroid-contaminated environment. This is the first report of (i) degradation of cyhalothrin and other pyrethroids by B.thuringiensis, (ii) identification of 3-phenoxyphenyl acetonitrile and N-(2-isoproxy-phenyl)-4-phenoxy-benzamide as the metabolites in the degradation pathway of pyrethroids, and (iii) a pathway of degradation of cyhalothrin by cleavage of both the ester linkage and diaryl bond in a microorganism.
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Zou CS, Cao CW, Zhang GC, Wang ZY. Purification, characterization, and sensitivity to pesticides of carboxylesterase from Dendrolimus superans (Lepidoptera: Lasiocampidae). JOURNAL OF INSECT SCIENCE (ONLINE) 2014; 14:ieu122. [PMID: 25525114 PMCID: PMC5634022 DOI: 10.1093/jisesa/ieu122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 01/20/2014] [Indexed: 06/04/2023]
Abstract
Through a combination of steps including centrifugation, ammonium sulfate gradient precipitation, sephadex G-25 gel chromatography, diethylaminoethyl cellulose 52 ion-exchange chromatography and hydroxyapatite affinity chromatography, carboxylesterase (CarE, EC3.1.1.1) from sixth instar larch caterpillar moth, Dendrolimus superans (Lepidoptera: Lasiocampidae) larvae was purified and its biochemical properties were compared between crude homogenate and purified CarE. The final purified CarE after hydroxyapatite chromatography had a specific activity of 52.019 μmol/(min·mg protein), 138.348-fold of crude homogenate, and the yield of 2.782%. The molecular weight of the purified CarE was approximately 84.78 kDa by SDS-PAGE. Three pesticides (dichlorvos, lambda-cyhalothrin, and avermectins) showed different inhibition to crude CarE and purified CarE, respectively. In vitro median inhibitory concentration indicated that the sensitivity of CarE (both crude homogenate and final purified CarE) to pesticides was in decreasing order of dichlorvos > avermectins > lambda-cyhalothrin. By the kinetic analysis, the substrates alpha-naphthyl acetate (α-NA) and beta-naphthyl acetate (β-NA) showed lesser affinity to crude extract than purified CarE. The results also indicated that both crude homogenate and purified CarE had more affinity to α-NA than to β-NA, and the Kcat and Vmax values of crude extract were lower than purified CarE using α-NA or β-NA as substrate.
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Affiliation(s)
- Chuan-shan Zou
- School of Forestry, Northeast Forestry University, Harbin 150040, P.R. China
| | - Chuan-wang Cao
- School of Forestry, Northeast Forestry University, Harbin 150040, P.R. China
| | - Guo-cai Zhang
- School of Forestry, Northeast Forestry University, Harbin 150040, P.R. China
| | - Zhi-ying Wang
- School of Forestry, Northeast Forestry University, Harbin 150040, P.R. China
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Xu J, Strange JP, Welker DL, James RR. Detoxification and stress response genes expressed in a western North American bumble bee, Bombus huntii (Hymenoptera: Apidae). BMC Genomics 2013; 14:874. [PMID: 24330608 PMCID: PMC3878831 DOI: 10.1186/1471-2164-14-874] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Accepted: 12/06/2013] [Indexed: 11/12/2022] Open
Abstract
Background The Hunt bumble bee (Bombus huntii Greene, Hymenoptera: Apidae) is a holometabolous, social insect important as a pollinator in natural and agricultural ecosystems in western North America. Bumble bees spend a significant amount of time foraging on a wide variety of flowering plants, and this activity exposes them to both plant toxins and pesticides, posing a threat to individual and colony survival. Little is known about what detoxification pathways are active in bumble bees, how the expression of detoxification genes changes across life stages, or how the number of detoxification genes expressed in B. huntii compares to other insects. Results We found B. huntii expressed at least 584 genes associated with detoxification and stress responses. The expression levels of some of these genes, such as those encoding the cytochrome P450s, glutathione S-transferases (GSTs) and glycosidases, vary among different life stages to a greater extent than do other genes. We also found that the number of P450s, GSTs and esterase genes expressed by B. huntii is similar to the number of these genes found in the genomes of other bees, namely Bombus terrestris, Bombus impatiens, Apis mellifera and Megachile rotundata, but many fewer than are found in the fly Drosophila melanogaster. Conclusions Bombus huntii has transcripts for a large number of detoxification and stress related proteins, including oxidation and reduction enzymes, conjugation enzymes, hydrolytic enzymes, ABC transporters, cadherins, and heat shock proteins. The diversity of genes expressed within some detoxification pathways varies among the life stages and castes, and we typically identified more genes in the adult females than in larvae, pupae, or adult males, for most pathways. Meanwhile, we found the numbers of detoxification and stress genes expressed by B. huntii to be more similar to other bees than to the fruit fly. The low number of detoxification genes, first noted in the honey bee, appears to be a common phenomenon among bees, and perhaps results from their symbiotic relationship with plants. Many flowering plants benefit from pollinators, and thus offer these insects rewards (such as nectar) rather than defensive plant toxins.
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Affiliation(s)
| | | | | | - Rosalind R James
- USDA-ARS, Pollinating Insects Research Unit, Department of Biology, Utah State University, Logan, UT 84322-5310, USA.
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Organophosphate and pyrethroid hydrolase activities of mutant Esterases from the cotton bollworm Helicoverpa armigera. PLoS One 2013; 8:e77685. [PMID: 24204917 PMCID: PMC3812244 DOI: 10.1371/journal.pone.0077685] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2013] [Accepted: 09/04/2013] [Indexed: 11/19/2022] Open
Abstract
Two mutations have been found in five closely related insect esterases (from four higher Diptera and a hymenopteran) which each confer organophosphate (OP) hydrolase activity on the enzyme and OP resistance on the insect. One mutation converts a Glycine to an Aspartate, and the other converts a Tryptophan to a Leucine in the enzymes’ active site. One of the dipteran enzymes with the Leucine mutation also shows enhanced activity against pyrethroids. Introduction of the two mutations in vitro into eight esterases from six other widely separated insect groups has also been reported to increase substantially the OP hydrolase activity of most of them. These data suggest that the two mutations could contribute to OP, and possibly pyrethroid, resistance in a variety of insects. We therefore introduced them in vitro into eight Helicoverpa armigera esterases from a clade that has already been implicated in OP and pyrethroid resistance. We found that they do not generally enhance either OP or pyrethroid hydrolysis in these esterases but the Aspartate mutation did increase OP hydrolysis in one enzyme by about 14 fold and the Leucine mutation caused a 4–6 fold increase in activity (more in one case) of another three against some of the most insecticidal isomers of fenvalerate and cypermethrin. The Aspartate enzyme and one of the Leucine enzymes occur in regions of the H. armigera esterase isozyme profile that have been previously implicated in OP and pyrethroid resistance, respectively.
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Dorđević TM, Šiler-Marinković SS, Ðurović RD, Dimitrijević-Branković SI, Gajić Umiljendić JS. Stability of the pyrethroid pesticide bifenthrin in milled wheat during thermal processing, yeast and lactic acid fermentation, and storage. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:3377-3383. [PMID: 23606131 DOI: 10.1002/jsfa.6188] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 04/11/2013] [Accepted: 04/19/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND Pesticide residues have become an unavoidable part of food commodities. In the context of increased interest for food processing techniques as a tool for reducing pesticide residues, it is interesting to study the potential loss of pesticides during lactic acid and yeast fermentation. In the present paper the effect of fermentation by Lactobacillus plantarum and Saccharomyces cerevisiae and storage on 23 °C on bifenthrin in wheat was investigated. In addition, the effect of sterilisation (applied in order to avoid contamination with wild microorganism strains, i.e. to determine the individual effects of used strains) on bifenthrin degradation was tested as well. RESULTS No significant loss of bifenthrin was observed during storage, or after the sterilisation. During the lactic acid fermentation, reduction within wheat fortified with 0.5 mg kg(-1) was 42%, while quite lower within samples fortified with 2.5 mg kg(-1) , maximum 18%. In contrast, bifenthrin concentration was not reduced during yeast fermentation, as the reduction in fortified samples was in the range of spontaneous chemical degradation during incubation period. CONCLUSION Possible bifenthrin contamination in wheat, in amounts over the maximum residue limits, could not be reduced by sterilisation or by yeast fermentation, but lactic acid fermentation could be an effective tool for minimising residual contamination.
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Affiliation(s)
- Tijana M Dorđević
- Institute of Pesticides and Environmental Protection, Banatska 31b, 11080, Belgrade, Serbia
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Chen S, Lin Q, Xiao Y, Deng Y, Chang C, Zhong G, Hu M, Zhang LH. Monooxygenase, a novel beta-cypermethrin degrading enzyme from Streptomyces sp. PLoS One 2013; 8:e75450. [PMID: 24098697 PMCID: PMC3787105 DOI: 10.1371/journal.pone.0075450] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 08/16/2013] [Indexed: 11/30/2022] Open
Abstract
The widely used insecticide beta-cypermethrin has become a public concern because of its environmental contamination and toxic effects on mammals. In this study, a novel beta-cypermethrin degrading enzyme designated as CMO was purified to apparent homogeneity from a Streptomyces sp. isolate capable of utilizing beta-cypermethrin as a growth substrate. The native enzyme showed a monomeric structure with a molecular mass of 41 kDa and pI of 5.4. The enzyme exhibited the maximal activity at pH 7.5 and 30°C. It was fairly stable in the pH range from 6.5–8.5 and at temperatures below 10°C. The enzyme activity was significantly stimulated by Fe2+, but strongly inhibited by Ag+, Al3+, and Cu2+. The enzyme catalyzed the degradation of beta-cypermethrin to form five products via hydroxylation and diaryl cleavage. A novel beta-cypermethrin detoxification pathway was proposed based on analysis of these products. The purified enzyme was identified as a monooxygenase by matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry analysis (MALDI-TOF-MS) and N-terminal protein sequencing. Given that all the characterized pyrethroid-degrading enzymes are the members of hydrolase family, CMO represents the first pyrethroid-degrading monooxygenase identified from environmental microorganisms. Taken together, our findings depict a novel pyrethroid degradation mechanism and indicate that the purified enzyme may be a promising candidate for detoxification of beta-cypermethrin and environmental protection.
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Affiliation(s)
- Shaohua Chen
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, People's Republic of China
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Teese MG, Farnsworth CA, Li Y, Coppin CW, Devonshire AL, Scott C, East P, Russell RJ, Oakeshott JG. Heterologous expression and biochemical characterisation of fourteen esterases from Helicoverpa armigera. PLoS One 2013; 8:e65951. [PMID: 23799064 PMCID: PMC3684599 DOI: 10.1371/journal.pone.0065951] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Accepted: 04/29/2013] [Indexed: 11/18/2022] Open
Abstract
Esterases have recurrently been implicated in insecticide resistance in Helicoverpa armigera but little is known about the underlying molecular mechanisms. We used a baculovirus system to express 14 of 30 full-length esterase genes so far identified from midgut cDNA libraries of this species. All 14 produced esterase isozymes after native PAGE and the isozymes for seven of them migrated to two regions of the gel previously associated with both organophosphate and pyrethroid resistance in various strains. Thirteen of the enzymes obtained in sufficient yield for further analysis all showed tight binding to organophosphates and low but measurable organophosphate hydrolase activity. However there was no clear difference in activity between the isozymes from regions associated with resistance and those from elsewhere in the zymogram, or between eight of the isozymes from a phylogenetic clade previously associated with resistance in proteomic and quantitative rtPCR experiments and five others not so associated. By contrast, the enzymes differed markedly in their activities against nine pyrethroid isomers and the enzymes with highest activity for the most insecticidal isomers were from regions of the gel and, in some cases, the phylogeny that had previously been associated with pyrethroid resistance. Phospholipase treatment confirmed predictions from sequence analysis that three of the isozymes were GPI anchored. This unusual feature among carboxylesterases has previously been suggested to underpin an association that some authors have noted between esterases and resistance to the Cry1Ac toxin from Bacillus thuringiensis. However these three isozymes did not migrate to the zymogram region previously associated with Cry1Ac resistance.
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Affiliation(s)
- Mark G. Teese
- CSIRO Ecosystem Sciences, Canberra, Australia
- School of Chemistry, Australian National University, Canberra, Australia
| | - Claire A. Farnsworth
- CSIRO Ecosystem Sciences, Canberra, Australia
- School of Biological Sciences, Australian National University, Canberra, Australia
| | - Yongqiang Li
- CSIRO Ecosystem Sciences, Canberra, Australia
- Research and Development Centre of Biorational Pesticides, College of Plant Protection, Northwest A&F University, Yangling, People’s Republic of China
| | | | | | - Colin Scott
- CSIRO Ecosystem Sciences, Canberra, Australia
| | - Peter East
- CSIRO Ecosystem Sciences, Canberra, Australia
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Konus M, Koy C, Mikkat S, Kreutzer M, Zimmermann R, Iscan M, Glocker MO. Molecular adaptations of Helicoverpa armigera midgut tissue under pyrethroid insecticide stress characterized by differential proteome analysis and enzyme activity assays. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2013; 8:152-62. [DOI: 10.1016/j.cbd.2013.04.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2013] [Revised: 04/17/2013] [Accepted: 04/18/2013] [Indexed: 12/20/2022]
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Coppin CW, Jackson CJ, Sutherland T, Hart PJ, Devonshire AL, Russell RJ, Oakeshott JG. Testing the evolvability of an insect carboxylesterase for the detoxification of synthetic pyrethroid insecticides. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2012; 42:343-352. [PMID: 22300675 DOI: 10.1016/j.ibmb.2012.01.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2011] [Revised: 01/18/2012] [Accepted: 01/20/2012] [Indexed: 05/31/2023]
Abstract
Esterases have been implicated in metabolic resistance to synthetic pyrethroids in several insect species but little is yet known of the molecular basis for these effects. In this work modern directed evolution technology was used to test to what extent it is possible to genetically enhance the pyrethroid hydrolytic activity of the E3 carboxylesterase from the blowfly Lucilia cuprina. High throughput screening of a random mutant library with individual stereoisomers of fluorogenic analogues of two type II pyrethroids identified 17 promising variants that were then also tested with the commercial pyrethroid deltamethrin. Between them, these variants displayed significantly improved activities for all the substrates tested. Amino acid substitutions at ten different residues were clearly implicated in the improvements, although most only enhanced activity for a subset of the stereoisomers. Several new combinations of the most promising amino acid substitutions were then made, and negative epistatic effects were found in most of the combinations, but significant improvements were also found in a minority of them. The best mutant recovered contained three amino acid changes and hydrolysed deltamethrin at more than 100 times the rate of wild-type E3. Structural analysis shows that nine of the ten mutated residues improving pyrethroid or analogue activities cluster in putative substrate binding pockets in the active site, with the three mutations of largest effect all increasing the volume of the acyl pocket.
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Affiliation(s)
- Chris W Coppin
- CSIRO Ecosystem Sciences, Canberra, ACT 2601, Australia.
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Izutsu M, Zhou J, Sugiyama Y, Nishimura O, Aizu T, Toyoda A, Fujiyama A, Agata K, Fuse N. Genome features of "Dark-fly", a Drosophila line reared long-term in a dark environment. PLoS One 2012; 7:e33288. [PMID: 22432011 PMCID: PMC3303825 DOI: 10.1371/journal.pone.0033288] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Accepted: 02/08/2012] [Indexed: 11/22/2022] Open
Abstract
Organisms are remarkably adapted to diverse environments by specialized metabolisms, morphology, or behaviors. To address the molecular mechanisms underlying environmental adaptation, we have utilized a Drosophila melanogaster line, termed “Dark-fly”, which has been maintained in constant dark conditions for 57 years (1400 generations). We found that Dark-fly exhibited higher fecundity in dark than in light conditions, indicating that Dark-fly possesses some traits advantageous in darkness. Using next-generation sequencing technology, we determined the whole genome sequence of Dark-fly and identified approximately 220,000 single nucleotide polymorphisms (SNPs) and 4,700 insertions or deletions (InDels) in the Dark-fly genome compared to the genome of the Oregon-R-S strain, a control strain. 1.8% of SNPs were classified as non-synonymous SNPs (nsSNPs: i.e., they alter the amino acid sequence of gene products). Among them, we detected 28 nonsense mutations (i.e., they produce a stop codon in the protein sequence) in the Dark-fly genome. These included genes encoding an olfactory receptor and a light receptor. We also searched runs of homozygosity (ROH) regions as putative regions selected during the population history, and found 21 ROH regions in the Dark-fly genome. We identified 241 genes carrying nsSNPs or InDels in the ROH regions. These include a cluster of alpha-esterase genes that are involved in detoxification processes. Furthermore, analysis of structural variants in the Dark-fly genome showed the deletion of a gene related to fatty acid metabolism. Our results revealed unique features of the Dark-fly genome and provided a list of potential candidate genes involved in environmental adaptation.
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Affiliation(s)
- Minako Izutsu
- Laboratory for Biodiversity, Global COE Program, Graduate School of Science, Kyoto University, Kyoto, Japan
- Laboratory for Molecular Developmental Biology, Graduate School of Science, Kyoto University, Kyoto, Japan
| | - Jun Zhou
- Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts, United States of America
| | - Yuzo Sugiyama
- Laboratory for Biodiversity, Global COE Program, Graduate School of Science, Kyoto University, Kyoto, Japan
| | - Osamu Nishimura
- Laboratory for Biodiversity, Global COE Program, Graduate School of Science, Kyoto University, Kyoto, Japan
| | - Tomoyuki Aizu
- Comparative Genomics Laboratory, National Institute of Genetics, Mishima, Japan
| | - Atsushi Toyoda
- Comparative Genomics Laboratory, National Institute of Genetics, Mishima, Japan
| | - Asao Fujiyama
- Comparative Genomics Laboratory, National Institute of Genetics, Mishima, Japan
| | - Kiyokazu Agata
- Laboratory for Biodiversity, Global COE Program, Graduate School of Science, Kyoto University, Kyoto, Japan
- Laboratory for Molecular Developmental Biology, Graduate School of Science, Kyoto University, Kyoto, Japan
| | - Naoyuki Fuse
- Laboratory for Biodiversity, Global COE Program, Graduate School of Science, Kyoto University, Kyoto, Japan
- * E-mail:
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Chen S, Luo J, Hu M, Geng P, Zhang Y. Microbial detoxification of bifenthrin by a novel yeast and its potential for contaminated soils treatment. PLoS One 2012; 7:e30862. [PMID: 22348025 PMCID: PMC3278408 DOI: 10.1371/journal.pone.0030862] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 12/22/2011] [Indexed: 11/19/2022] Open
Abstract
Bifenthrin is one the most widespread pollutants and has caused potential effect on aquatic life and human health, yet little is known about microbial degradation in contaminated regions. A novel yeast strain ZS-02, isolated from activated sludge and identified as Candida pelliculosa based on morphology, API test and 18S rDNA gene analysis, was found highly effective in degrading bifenthrin over a wide range of temperatures (20–40°C) and pH (5–9). On the basis of response surface methodology (RSM), the optimal degradation conditions were determined to be 32.3°C and pH 7.2. Under these conditions, the yeast completely metabolized bifenthrin (50 mg·L−1) within 8 days. This strain utilized bifenthrin as the sole carbon source for growth as well as co-metabolized it in the presence of glucose, and tolerated concentrations as high as 600 mg·L−1 with a qmax, Ks and Ki of 1.7015 day−1, 86.2259 mg·L−1 and 187.2340 mg·L−1, respectively. The yeast first degraded bifenthrin by hydrolysis of the carboxylester linkage to produce cyclopropanecarboxylic acid and 2-methyl-3-biphenylyl methanol. Subsequently, 2-methyl-3-biphenylyl methanol was further transformed by biphenyl cleavage to form 4-trifluoromethoxy phenol, 2-chloro-6-fluoro benzylalcohol, and 3,5-dimethoxy phenol, resulting in its detoxification. Eventually, no persistent accumulative product was detected by gas chromatopraphy-mass spectrometry (GC-MS) analysis. This is the first report of a novel pathway of degradation of bifenthrin by hydrolysis of ester linkage and cleavage of biphenyl in a microorganism. Furthermore, strain ZS-02 degraded a variety of pyrethroids including bifenthrin, cyfluthrin, deltamethrin, fenvalerate, cypermethrin, and fenpropathrin. In different contaminated soils introduced with strain ZS-02, 65–75% of the 50 mg·kg−1 bifenthrin was eliminated within 10 days, suggesting the yeast could be a promising candidate for remediation of environments affected by bifenthrin. Finally, this is the first described yeast capable of degrading bifenthrin.
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Affiliation(s)
- Shaohua Chen
- Laboratory of Insect Toxicology, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, People's Republic of China
| | - Jianjun Luo
- Laboratory of Insect Toxicology, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, People's Republic of China
| | - Meiying Hu
- Laboratory of Insect Toxicology, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, People's Republic of China
- * E-mail:
| | - Peng Geng
- Laboratory of Insect Toxicology, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, People's Republic of China
| | - Yanbo Zhang
- Laboratory of Insect Toxicology, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, People's Republic of China
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Couso-Ferrer F, Arouri R, Beroiz B, Perera N, Cervera A, Navarro-Llopis V, Castañera P, Hernández-Crespo P, Ortegoa F. Cross-resistance to insecticides in a malathion-resistant strain of Ceratitis capitata (Diptera: Tephritidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2011; 104:1349-1356. [PMID: 21882703 DOI: 10.1603/ec11082] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Resistance to malathion has been reported in field populations of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae), in areas of Spain where an intensive use of this insecticide was maintained for several years. The main goal of this study was to determine whether resistance to malathion confers cross-resistance to different types of insecticides. Susceptibility bioassays showed that the malathion-resistant W-4Km strain (176-fold more resistant to malathion than the susceptible C strain) has moderate levels of cross-resistance (three- to 16-fold) to other organophosphates (trichlorphon, diazinon, phosmet and methyl-chlorpyrifos), the carbamate carbaryl, the pyrethroid lambda-cyhalothrin, and the benzoylphenylurea derivative lufenuron, whereas cross-resistance to spinosad was below two-fold. The W-4Km strain was selected with lambda-cyhalothrin to establish the lambda-cyhalothrin-resistant W-1Klamda strain (35-fold resistant to lambda-cyhalothrin). The synergistic activity of the esterase inhibitor DEF with lambda-cyhalothrin and the increase in esterase activity in the W-1Klamda strain suggests that esterases may be involved in the development of resistance to this insecticide. Our results showed that resistance to malathion may confer some degree of cross-resistance to insecticides currently approved for the control of Mediterranean fruit fly in citrus crops (lambda-cyhalothrin, lufenuron, and methyl-chlorpyrifos). Especially relevant is the case of lambda-cyhalothrin, because we have shown that resistance to this insecticide can rapidly evolve to levels that may compromise its effectiveness in the field.
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Affiliation(s)
- Francisco Couso-Ferrer
- Departamento de Biología Medioambiental, Centro de Investiga-clones Biológicas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain
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46
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Zhang C, Wang S, Yan Y. Isomerization and biodegradation of beta-cypermethrin by Pseudomonas aeruginosa CH7 with biosurfactant production. BIORESOURCE TECHNOLOGY 2011; 102:7139-7146. [PMID: 21570279 DOI: 10.1016/j.biortech.2011.03.086] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2011] [Revised: 03/24/2011] [Accepted: 03/26/2011] [Indexed: 05/30/2023]
Abstract
Pseudomonas aeruginosa CH7, isolated from activated sludge, was able not only to isomerize and degrade beta-cypermethrin but also to utilize it as the sole source of carbon and energy for growth and produce biosurfactant. The strain effectively degraded beta-cypermethrin with inocula biomass of 0.1-0.2 g L(-1) at 25-35°C, pH 6-9, and a final concentration of beta-cypermethrin 25-900 mg L(-1). Via response surface methodology analysis, we found the optimal condition was 29.4°C, pH 7.0, and inocula biomass of 0.15 g L(-1); under these conditions, about 90% of the beta-cypermethrin could be degraded within 12 days. Noticeably, biosurfactant was detected in the MSM culture of strain CH7, suggesting that the biosurfactant (rhamnolipid) could potentially enhance the degradation of beta-cypermethrin by promoting the dissolution, adsorption, and absorption of the hydrophobic compounds. Therefore, CH7 may serve as a promising strain in the bioremediation of wastewater and soil polluted by beta-cypermethrin.
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Affiliation(s)
- Chen Zhang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100094, China
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Russell RJ, Scott C, Jackson CJ, Pandey R, Pandey G, Taylor MC, Coppin CW, Liu JW, Oakeshott JG. The evolution of new enzyme function: lessons from xenobiotic metabolizing bacteria versus insecticide-resistant insects. Evol Appl 2011; 4:225-48. [PMID: 25567970 PMCID: PMC3352558 DOI: 10.1111/j.1752-4571.2010.00175.x] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2010] [Accepted: 11/12/2010] [Indexed: 11/30/2022] Open
Abstract
Here, we compare the evolutionary routes by which bacteria and insects have evolved enzymatic processes for the degradation of four classes of synthetic chemical insecticide. For insects, the selective advantage of such degradative activities is survival on exposure to the insecticide, whereas for the bacteria the advantage is simply a matter of access to additional sources of nutrients. Nevertheless, bacteria have evolved highly efficient enzymes from a wide variety of enzyme families, whereas insects have relied upon generalist esterase-, cytochrome P450- and glutathione-S-transferase-dependent detoxification systems. Moreover, the mutant insect enzymes are less efficient kinetically and less diverged in sequence from their putative ancestors than their bacterial counterparts. This presumably reflects several advantages that bacteria have over insects in the acquisition of new enzymatic functions, such as a broad biochemical repertoire from which new functions can be evolved, large population sizes, high effective mutation rates, very short generation times and access to genetic diversity through horizontal gene transfer. Both the insect and bacterial systems support recent theory proposing that new biochemical functions often evolve from 'promiscuous' activities in existing enzymes, with subsequent mutations then enhancing those activities. Study of the insect enzymes will help in resistance management, while the bacterial enzymes are potential bioremediants of insecticide residues in a range of contaminated environments.
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Affiliation(s)
| | - Colin Scott
- CSIRO Ecosystem Sciences Canberra, ACT, Australia
| | | | - Rinku Pandey
- CSIRO Ecosystem Sciences Canberra, ACT, Australia
| | | | | | | | - Jian-Wei Liu
- CSIRO Ecosystem Sciences Canberra, ACT, Australia
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48
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Biodegradation of deltamethrin and its hydrolysis product 3-phenoxybenzaldehyde by a newly isolated Streptomyces aureus strain HP-S-01. Appl Microbiol Biotechnol 2011; 90:1471-83. [DOI: 10.1007/s00253-011-3136-3] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2010] [Revised: 01/16/2011] [Accepted: 01/18/2011] [Indexed: 10/18/2022]
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49
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Scott C, Begley C, Taylor MJ, Pandey G, Momiroski V, French N, Brearley C, Kotsonis SE, Selleck MJ, Carino FA, Bajet CM, Clarke C, Oakeshott JG, Russell RJ. Free-Enzyme Bioremediation of Pesticides. ACS SYMPOSIUM SERIES 2011. [DOI: 10.1021/bk-2011-1075.ch011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Colin Scott
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Cameron Begley
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Matthew J. Taylor
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Gunjan Pandey
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Vinko Momiroski
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Nigel French
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Clint Brearley
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Steve E. Kotsonis
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Michael J. Selleck
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Flerida A. Carino
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Cristina M. Bajet
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Craig Clarke
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - John G. Oakeshott
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
| | - Robyn J. Russell
- CSIRO Ecosystem Sciences, GPO Box 1700, Canberra, Australian Capital Territory 2601, Australia
- Orica Australia Pty Ltd., 1 Nicholson Street, Melbourne Victoria 3000, Australia
- Institute of Chemistry, University of the Philippines, Diliman, Quezon City 1101, Philippines
- Pesticide Toxicology and Chemistry Laboratory, National Crop Protection Center, University of the Philippines, Los Banos, Laguna 4031, Philippines
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50
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Chen S, Yang L, Hu M, Liu J. Biodegradation of fenvalerate and 3-phenoxybenzoic acid by a novel Stenotrophomonas sp. strain ZS-S-01 and its use in bioremediation of contaminated soils. Appl Microbiol Biotechnol 2010; 90:755-67. [DOI: 10.1007/s00253-010-3035-z] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Revised: 11/20/2010] [Accepted: 11/22/2010] [Indexed: 10/18/2022]
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