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Chen Y, Cen Y, Liu Y, Peng Y, Lin Y, Feng Q, Xiao Y, Zheng S. P450 gene CYP6a13 is responsible for cross-resistance of insecticides in field populations of Spodoptera frugiperda. INSECT SCIENCE 2024. [PMID: 38770715 DOI: 10.1111/1744-7917.13376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 03/14/2024] [Accepted: 03/28/2024] [Indexed: 05/22/2024]
Abstract
Continuous and long-term use of traditional and new pesticides can result in cross-resistance among pest populations in different fields. Study on the mechanism of cross-resistance and related genes will help resistance management and field pest control. In this study, the pesticide-resistance mechanism in Spodoptera frugiperda (FAW) was studied with field populations in 3 locations of South China. Field FAW populations were highly resistant to traditional insecticides, chlorpyrifos (organophosphate) and deltamethrin (pyrethroid), and had higher levels of cytochrome P450 activity than a non-resistant laboratory strain. Inhibition of P450 activity by piperonyl butoxide significantly increased the sensitivity of resistant FAW in 3 locations to chlorpyrifos, deltamethrin and chlorantraniliprole (amide), a new type of insecticide, suggesting that P450 detoxification is a critical factor for insecticide resistance in field FAW populations. Transcriptomic analysis indicated that 18 P450 genes were upregulated in the field FAW populations collected in 3 regions and in 2 consecutive years, with CYP6a13, the most significantly upregulated one. Knockdown of CYP6a13 messenger RNA by RNA interference resulted in an increased sensitivity to the 3 tested insecticides in the field FAW. Enzyme activity and molecular docking analyses indicated that CYP6a13 enzyme was able to metabolize the 3 tested insecticides and interact with 8 other types of insecticides, confirming that CYP6a13 is a key cross-resistance gene with a wide range of substrates in the field FAW populations across the different regions and can be used as a biomarker and target for management of FAW insecticide resistance in fields.
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Affiliation(s)
- Yumei Chen
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China
| | - Yongjie Cen
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China
| | - Yu Liu
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China
| | - Yanan Peng
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China
| | - Yiguang Lin
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China
| | - Qili Feng
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China
| | - Yong Xiao
- Institute of Plant Protection, Guangdong Academy of Agricultural Sciences, Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of High Technology for Plant Protection, Guangzhou, China
| | - Sichun Zheng
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China
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Hadidy DE, El Sayed AM, Tantawy ME, Alfy TE, Farag SM, Haleem DRA. Larvicidal and repellent potential of Ageratum houstonianum against Culex pipiens. Sci Rep 2022; 12:21410. [PMID: 36496475 PMCID: PMC9741651 DOI: 10.1038/s41598-022-25939-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 12/07/2022] [Indexed: 12/13/2022] Open
Abstract
Mosquitoes are unquestionably the most medic arthropod vectors of disease. Culex pipiens, usually defined as a common house mosquito, is a well-known carrier of several virus diseases. Crude ethanol extracts of different organs of Agratum houstonianum are tested with Culex pipiens Linnaeus (Diptera: Culicidae) to determine their larvicidal, antifeedant, and repellency effects. Alongside biochemical analysis, the activity of the AChE, ATPase, CarE, and CYP-450 is detected in the total hemolymph of the C. pipiens larvae to examine the enzymatic action on the way to explain their neurotoxic effect and mode of action. Through HPLC and GC-MS analysis of the phytochemical profile of A. houstonianum aerial parts is identified. The larvicidal activity of aerial parts; flower (AF), leaf (AL), and stem (AS) of A. houstonianum extracts are evaluated against the 3rd instar larvae of C. pipiens at 24-, 48- and 72-post-treatment. A. houstonianium AF, AL, and AS extracts influenced the mortality of larvae with LC50 values 259.79, 266.85, and 306.86 ppm, respectively after 24 h of application. The potency of AF and AL extracts was 1.69- and 1.25-folds than that of AS extract, respectively. A high repellency percentage was obtained by AF extract 89.10% at a dose of 3.60 mg/cm2. A. houstonianium AF prevailed inhibition on acetylcholinesterase and decrease in carboxylesterase activity. Moreover, a significant increase in the ATPase levels and a decrease in cytochrome P-450 monooxegenase activity (- 36.60%) are detected. HPLC analysis prevailed chlorogenic and rosmarinic acid as the major phenolic acids in AL and AF, respectively. GC-MS analysis of A. houstonianum results in the identification of phytol as the major makeup. Precocene I and II were detected in AF. Linoleic, linolenic, and oleic acid were detected in comparable amounts in the studied organs. Overall, results suggest that the A. houstonianum flower extract (AF) exhibits significant repellent, antifeedant, and larvicidal activities.
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Affiliation(s)
- Doaa El Hadidy
- grid.419698.bDepartment of Medicinal Plants and Natural Products, National Organization for Drug Control and Research (NODCAR), 51-Wezaret El-Zeraa St, Giza, 12611 Egypt
| | - Abeer M. El Sayed
- grid.7776.10000 0004 0639 9286Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El Aini, 11562 Egypt
| | - Mona El Tantawy
- grid.419698.bDepartment of Medicinal Plants and Natural Products, National Organization for Drug Control and Research (NODCAR), 51-Wezaret El-Zeraa St, Giza, 12611 Egypt
| | - Taha El Alfy
- grid.7776.10000 0004 0639 9286Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El Aini, 11562 Egypt
| | - Shaimaa M. Farag
- grid.7269.a0000 0004 0621 1570Department of Entomology, Faculty of Science, Ain Shams University, Cairo, 11566 Egypt
| | - Doaa R. Abdel Haleem
- grid.7269.a0000 0004 0621 1570Department of Entomology, Faculty of Science, Ain Shams University, Cairo, 11566 Egypt
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Agyekum TP, Arko-Mensah J, Botwe PK, Hogarh JN, Issah I, Dadzie SK, Dwomoh D, Billah MK, Robins T, Fobil JN. Relationship between temperature and Anopheles gambiae sensu lato mosquitoes' susceptibility to pyrethroids and expression of metabolic enzymes. Parasit Vectors 2022; 15:163. [PMID: 35527275 PMCID: PMC9080126 DOI: 10.1186/s13071-022-05273-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 04/01/2022] [Indexed: 11/29/2022] Open
Abstract
Background Malaria remains one of the most devastating diseases globally, and the control of mosquitoes as the vector is mainly dependent on chemical insecticides. Elevated temperatures associated with future warmer climates could affect mosquitoes' metabolic enzyme expression and increase insecticide resistance, making vector control difficult. Understanding how mosquito rearing temperatures influence their susceptibility to insecticide and expression of metabolic enzymes could aid in the development of novel tools and strategies to control mosquitoes in a future warmer climate. This study evaluated the effects of temperature on the susceptibility of Anopheles gambiae sensu lato (s.l.) mosquitoes to pyrethroids and their expression of metabolic enzymes. Methods Anopheles gambiae s.l. eggs obtained from laboratory-established colonies were reared under eight temperature regimes (25, 28, 30, 32, 34, 36, 38, and 40 °C). Upon adult emergence, 3- to 5-day-old female non-blood-fed mosquitoes were used for susceptibility tests following the World Health Organization (WHO) bioassay protocol. Batches of 20–25 mosquitoes from each temperature regime (25–34 °C) were exposed to two pyrethroid insecticides (0.75% permethrin and 0.05% deltamethrin). In addition, the levels of four metabolic enzymes (α-esterase, β-esterase, glutathione S-transferase [GST], and mixed-function oxidase [MFO]) were examined in mosquitoes that were not exposed and those that were exposed to pyrethroids. Results Mortality in An. gambiae s.l. mosquitoes exposed to deltamethrin and permethrin decreased at temperatures above 28 °C. In addition, mosquitoes reared at higher temperatures were more resistant and had more elevated enzyme levels than those raised at low temperatures. Overall, mosquitoes that survived after being exposed to pyrethroids had higher levels of metabolic enzymes than those that were not exposed to pyrethroids. Conclusions This study provides evidence that elevated temperatures decreased An. gambiae s.l. mosquitoes' susceptibility to pyrethroids and increased the expression of metabolic enzymes. This evidence suggests that elevated temperatures projected in a future warmer climate could increase mosquitoes' resistance to insecticides and complicate malaria vector control measures. This study therefore provides vital information, and suggests useful areas of future research, on the effects of temperature variability on mosquitoes that could guide vector control measures in a future warmer climate. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-022-05273-z.
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Affiliation(s)
- Thomas Peprah Agyekum
- Department of Biological, Environmental and Occupational Health Sciences, School of Public Health, University of Ghana, P.O. Box L.G. 13, Accra, Ghana.
| | - John Arko-Mensah
- Department of Biological, Environmental and Occupational Health Sciences, School of Public Health, University of Ghana, P.O. Box L.G. 13, Accra, Ghana
| | - Paul Kingsley Botwe
- Department of Biological, Environmental and Occupational Health Sciences, School of Public Health, University of Ghana, P.O. Box L.G. 13, Accra, Ghana
| | - Jonathan Nartey Hogarh
- Department of Environmental Science, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Ibrahim Issah
- Department of Biological, Environmental and Occupational Health Sciences, School of Public Health, University of Ghana, P.O. Box L.G. 13, Accra, Ghana
| | - Samuel Kweku Dadzie
- Parasitology Department, Noguchi Memorial Institute for Medical Research (NMIMR), University of Ghana, P.O. Box LG 581, Accra, Ghana
| | - Duah Dwomoh
- Department of Biostatistics, School of Public Health, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Maxwell Kelvin Billah
- Department of Animal Biology and Conservation Science, University of Ghana, P.O. Box L.G. 67, Accra, Ghana
| | - Thomas Robins
- Department of Environmental Health Sciences, University of Michigan, 1415 Washington Heights, Ann Arbor, MI, 48109, USA
| | - Julius Najah Fobil
- Department of Biological, Environmental and Occupational Health Sciences, School of Public Health, University of Ghana, P.O. Box L.G. 13, Accra, Ghana
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Roodt AP, Röder N, Pietz S, Kolbenschlag S, Manfrin A, Schwenk K, Bundschuh M, Schulz R. Emerging Midges Transport Pesticides from Aquatic to Terrestrial Ecosystems: Importance of Compound- and Organism-Specific Parameters. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:5478-5488. [PMID: 35441504 DOI: 10.1021/acs.est.1c08079] [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] [Indexed: 06/14/2023]
Abstract
Emerging aquatic insects have the potential to retain aquatic contaminants after metamorphosis, potentially transporting them into adjacent terrestrial food webs. It is unknown whether this transfer is also relevant for current-use pesticides. We exposed larvae of the nonbiting midge, Chironomus riparius, to a sublethal pulse of a mixture of nine moderately polar fungicides and herbicides (logKow 2.5-4.7) at three field relevant treatment levels (1.2-2.5, 17.5-35.0, or 50.0-100.0 μg/L). We then assessed the pesticide bioaccumulation and bioamplification over the full aquatic-terrestrial life cycle of both sexes including the egg laying of adult females. By applying sensitive LC-MS/MS analysis to small sample volumes (∼5 mg, dry weight), we detected all pesticides in larvae from all treatment levels (2.8-1019 ng/g), five of the pesticides in the adults from the lowest treatment level and eight in the higher treatment levels (1.5-3615 ng/g). Retention of the pesticides through metamorphosis was not predictable based solely on pesticide lipophilicity. Sex-specific differences in adult insect pesticide concentrations were significant for five of the pesticides, with greater concentrations in females for four of them. Over the duration of the adults' lifespan, pesticide concentrations generally decreased in females while persisting in males. Our results suggest that a low to moderate daily dietary exposure to these pesticides may be possible for tree swallow nestlings and insectivorous bats.
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Affiliation(s)
- Alexis P Roodt
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
| | - Nina Röder
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
| | - Sebastian Pietz
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
| | - Sara Kolbenschlag
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
| | - Alessandro Manfrin
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
| | - Klaus Schwenk
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
| | - Mirco Bundschuh
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Lennart Hjelms väg 9, SWE-75007 Uppsala, Sweden
| | - Ralf Schulz
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau in der Pfalz, Germany
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Lazarević J, Jevremović S, Kostić I, Vuleta A, Manitašević Jovanović S, Kostić M, Šešlija Jovanović D. Assessment of Sex-Specific Toxicity and Physiological Responses to Thymol in a Common Bean Pest Acanthoscelides obtectus Say. Front Physiol 2022; 13:842314. [PMID: 35250641 PMCID: PMC8892178 DOI: 10.3389/fphys.2022.842314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/25/2022] [Indexed: 11/13/2022] Open
Abstract
Acanthoscelides obtectus Say (Coleoptera: Chrysomelidae: Bruchinae), is one of the most important pests of the common bean Phaseolus vulgaris L. Without appropriate management it may cause significant seed loss in storages. In search for means of environmentally safe and effective protection of beans we assessed biological activity of thymol, an oxygenated monoterpene present in essential oils of many aromatic plants. We studied contact toxicity of thymol on bean seeds and its effects on adult longevity and emergence in F1 generation. Furthermore, we determined acetylcholinesterase (AChE), superoxide dismutase (SOD), catalase (CAT), mixed-function oxidase (MFO), carboxylesterases (CarE) and glutathione S-transferase (GST) activities in response to 24 h exposure of beetles to sublethal and lethal thymol concentrations. Our results showed that thymol decreased adult survival, longevity and percentage of adult emergence. Higher median lethal concentration (LC50) was recorded in females indicating their higher tolerance comparing to males. Overall, activities of SOD, CAT and CarE increased at sublethal and MFO increased at both sublethal and lethal thymol concentrations. On the other hand, GST and AChE activities decreased along with the increase in thymol concentrations from sublethal (1/5 of LC50, 1/2 of LC50) to lethal (LC50). Enzyme responses to the presence of thymol on bean seed were sex-specific. In the control group females had lower CarE and higher SOD, CAT and GST activity than males. In treatment groups, females had much higher CAT activity and much lower CarE activity than males. Our results contribute to deeper understanding of physiological mechanisms underlying thymol toxicity and tolerance which should be taken into account in future formulation of a thymol-based insecticide.
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Bantz A, Goven D, Siegwart M, Maugin S, Raymond V. Exposure to a sublethal dose of imidacloprid induces cellular and physiological changes in Periplaneta americana: Involvement of α2 nicotinic acetylcholine subunit in imidacloprid sensitivity. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 181:105014. [PMID: 35082037 DOI: 10.1016/j.pestbp.2021.105014] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 12/13/2021] [Accepted: 12/13/2021] [Indexed: 06/14/2023]
Abstract
Neonicotinoids are the most important class of insecticides used as pest management tools during several decades. Exposition of insect to sublethal dose of insecticide induces physiological and cellular changes that could contribute to the adaptation of the insects in order to loss their sensitivity to insecticides. The aim of our study is to demonstrate that a subchronic exposure to a sublethal dose of a neonicotinoid imidacloprid is sufficient to induce molecular changes leading to a loss of imidacloprid sensitivity. We report that in the cockroach, Periplaneta americana, subchronic exposure to a sublethal dose of imidacloprid induced weak changes in detoxification enzyme activity and a significant decrease of the nicotinic acetylcholine α2 mRNA. This molecular effect is correlated to a decrease of imidacloprid sensitivity of cockroaches. Using RNA interference, we shown the key role of nicotinic acetylcholine α2 subunit in imidacloprid sensitivity. Thus, quantitative changes in insecticide targets lead to decreased sensitivity to insecticides. This parameter needs to be considered in order to develop sustainable insect resistance management strategies.
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Affiliation(s)
- Alexandre Bantz
- Univ Angers, INRAE, SiFCIR, SFR QUASAV, F-49000 Angers, France.
| | - Delphine Goven
- Univ Angers, INRAE, SiFCIR, SFR QUASAV, F-49000 Angers, France.
| | - Myriam Siegwart
- INRAE, UR 1115 Plantes et Systèmes de culture Horticoles (PSH), 84914 Avignon, France.
| | - Sandrine Maugin
- INRAE, UR 1115 Plantes et Systèmes de culture Horticoles (PSH), 84914 Avignon, France.
| | - Valerie Raymond
- Univ Angers, INRAE, SiFCIR, SFR QUASAV, F-49000 Angers, France.
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Su S, Jian C, Zhang X, Fang S, Peng X, Piñero JC, Chen M. Sublethal Effects of Abamectin on the Development, Reproduction, Detoxification Enzyme Activity, and Related Gene Expression of the Oriental Fruit Moth (Lepidoptera: Tortricidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2021; 114:2430-2438. [PMID: 34672347 DOI: 10.1093/jee/toab196] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Indexed: 06/13/2023]
Abstract
Grapholita molesta is one of the most important fruit pests worldwide. Abamectin is a biological pesticide frequently used to control fruit borers like G. molesta in part owing to its translaminar properties. In this study, we characterized the toxicity of abamectin to G. molesta larvae using the diet incorporation method. The sublethal effects of abamectin on the development, reproduction, detoxification enzyme activity, and related gene expression of G. molesta were assessed. The results showed that the LC20 and LC50 values of the insecticide against G. molesta 72 h post-treatment were 1.17 mg L-1 and 5.85 mg L-1, whereas the LC20 and LC50 values 96 h post-treatment were 0.34 mg L-1 and 3.63 mg L-1. When compared to the control, sublethal concentrations of abamectin 1) significantly increased the mortality of the larvae, prepupae, and pupae of G. molesta, 2) prolonged the duration of 3rd to 5th instar larva, prepupal and pupal periods, 3) shortened the longevity of adults, and 4) reduced female fecundity. The enzymatic activity of glutathione S-transferase (GST) varied significantly after exposure to sublethal concentrations of abamectin, but the cytochrome P450 monooxygenases and carboxylesterase activity were not significantly affected. Thirteen of the 25 GST genes were significantly upregulated under different sublethal concentrations of abamectin. The combined findings increase our understanding of the effects of abamectin on G. molesta and the potential role of GSTs in the metabolic interactions of abamectin in this pest, and have applications for more rational and effective use of abamectin to control G. molesta.
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Affiliation(s)
- Sha Su
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Chengzhi Jian
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiaohe Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Sensen Fang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiong Peng
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jaime C Piñero
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA
| | - Maohua Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas, Key Laboratory of Crop Pest Integrated Pest Management on the Loess Plateau of Ministry of Agriculture and Rural Affairs, Northwest A&F University, Yangling 712100, Shaanxi, China
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Banerjee S, Maiti TK, Roy RN. Enzyme producing insect gut microbes: an unexplored biotechnological aspect. Crit Rev Biotechnol 2021; 42:384-402. [PMID: 34612103 DOI: 10.1080/07388551.2021.1942777] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
To explore the unmapped biotechnologically important microbial platforms for human welfare, the insect gut system is such a promising arena. Insects, the inhabitant of all ecological niches, harbor a healthy diversified microbial population in their versatile gut environment. This deep-rooted symbiotic relationship between insects and gut microbes is the result of several indispensable microbial performances that include: enzyme production, detoxification of plant defense compounds and insecticides, maintenance of life cycle, host fertility, bioremediation, pest biocontrol, production of antimicrobial compounds, and in addition provide vitamins, amino acids, and lactic acids to their hosts. Insects have developed such symbiotic interactions with different microorganisms for nutritional benefits like the digestion of dietary compounds by the production of several key hydrolytic enzymes viz: amylase, cellulase, lignocellulase, protease, lipase, xylanase, pectinase, chitinase, laccase, etc. The nutritional enrichment offered by these microbes to insects may be the key factor in the evolutionary attainment of this group. Around one million insect species are grouped under 31 orders, however, only ten of such groups' have been studied in relation to enzyme-producing gut microbes. Moreover, insect gut symbionts are a potential source of biotechnologically active biomolecules as these microbes go through a course of selection pressures in their host gut environment. As symbiosis has pronounced potential regarding the production of novel compounds, especially enzymes with multidimensional industrial capabilities, so there are ample scopes to explore this treasure box for human welfare. Biological significance as well as industrially compatible capabilities can categorize these insect gut symbionts as an unexplored biotechnological aspect.
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Affiliation(s)
- Sandipan Banerjee
- Microbiology Research Laboratory, Department of Botany, Dr. B. N. Dutta Smriti Mahavidyalaya, Hatgobindapur, Burdwan, India.,Mycology and Plant Pathology Laboratory, Department of Botany, Visva-Bharati University, Santiniketan, India
| | | | - Raj Narayan Roy
- Microbiology Research Laboratory, Department of Botany, Dr. B. N. Dutta Smriti Mahavidyalaya, Hatgobindapur, Burdwan, India
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Bosch-Serra D, Rodríguez MA, Avilla J, Sarasúa MJ, Miarnau X. Esterase, Glutathione S-Transferase and NADPH-Cytochrome P450 Reductase Activity Evaluation in Cacopsylla pyri L. (Hemiptera: Psyllidae) Individual Adults. INSECTS 2021; 12:insects12040329. [PMID: 33917008 PMCID: PMC8067761 DOI: 10.3390/insects12040329] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/20/2021] [Accepted: 04/01/2021] [Indexed: 11/16/2022]
Abstract
Cacopsylla pyri (L.) (Hemiptera: Psyllidae) is a key pest of pear orchards in Spain. The large number of insecticide treatments necessary for control may be an important contributor to the emergence of resistance. Laboratory toxicity and biochemical assays are necessary to validate the existence of insecticide resistance and establish the underlying mechanisms. All the methodologies developed to evaluate enzyme activity in C. pyri to date have incorporated "pools" of adults to detect minimum activity ranges. In this study, we determined the optimal working conditions for evaluation of the activities of esterase, glutathione S-transferase and NADPH-cytochrome P450 reductase in individual insects via colorimetric methods using a microplate reader. The main factors affecting enzymatic analysis activity, such as enzyme source and substrate concentration, filter wavelength, buffer pH, reaction time and additives, were evaluated for optimization. Determining the frequency of resistant individuals within a population could be used as an indicator for the evolution of insecticide resistance over time. Two laboratory strains, one of them selected with cypermethrin, and two field populations were analyzed for this purpose. The data obtained revealed high values and great variation in the activity ranges of esterase (EST) in the insecticide-selected population as well as in the field populations validating the applied methodology.
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Affiliation(s)
- Dolors Bosch-Serra
- Department of Sustainable Plant Protection, Food and Agriculture Research Institute (IRTA), ETSEA Campus, Av. Rovira Roure 191, 25198 Lleida, Spain
- Correspondence:
| | - Marcela A. Rodríguez
- Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Casilla 160-C, Concepción 4030000, Chile;
| | - Jesús Avilla
- Department of Crop and Forest Sciences, Agrotecnio-CERCA Center, University of Lleida (UdL), Av. Rovira Roure 191, 25198 Lleida, Spain; (J.A.); (M.J.S.)
| | - María José Sarasúa
- Department of Crop and Forest Sciences, Agrotecnio-CERCA Center, University of Lleida (UdL), Av. Rovira Roure 191, 25198 Lleida, Spain; (J.A.); (M.J.S.)
| | - Xavier Miarnau
- Fruit Production Program, Food and Agriculture Research Institute (IRTA), Fruitcentre, Parc Científic i Tecnològic Agroalimentari de Lleida (PCiTAL), Parc de Gardeny, Edifici Fruitcentre, 25003 Lleida, Spain;
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Tian L, Gao X, Zhang S, Zhang Y, Ma D, Cui J. Dynamic changes of transcriptome of fifth-instar spodoptera litura larvae in response to insecticide. 3 Biotech 2021; 11:98. [PMID: 33520584 DOI: 10.1007/s13205-021-02651-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 01/09/2021] [Indexed: 10/22/2022] Open
Abstract
Spodoptera litura is a major insect with a cosmopolitan distribution and strong resistance to multiple insecticides. Determining the molecular basis and key candidate genes of the insecticide resistance of S. litura may help in managing this insect. In this study, fifth-instar S. litura larvae were subjected to transcriptome analysis at 6, 12, 24, 48, and 72 h after feeding on an LC20 dose of avermectin. The result showed that genes responding to avermectin changed dynamically with different gene counts and resistance mechanisms at the fifth instar based on a metabolic pathway map. These responses included degrading the insecticide by a series of P450 and glutathione-S-transferase enzymes starting at the 12 h time point, with subsequent increases in the number of genes involved and shifts to TOLL and immune deficiency (IMD) pathways at 48 h after feeding the insecticide. Weighted correlation network analysis (WGCNA) determined a co-expression module related to the avermectin response at 12 and 24 h (r = 0.403, p = 0.0371; r = 0.436, p = 0.023), in which a hub gene (LOC111358940) related to metalloproteinase activity was identified. In addition, Analysis of the genes in the co-expression module further revealed that eight genes encoding UDP-glucuronosyltransferases were directly associated with insecticide response in S. litura. These results provide better understanding of the avermectin response mechanism of S. litura and may be useful in developing improved control strategies for this species. SUPPLEMENTARY INFORMATION The online version of this article (10.1007/s13205-021-02651-9) contains supplementary material, which is available to authorized users.
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Khan Mirza F, Yarahmadi F, Lotfi Jalal-Abadi A, Meraaten AA. Enzymes mediating resistance to chlorpyriphos in Aphis fabae (Homoptera: Aphididae). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 206:111335. [PMID: 32977083 DOI: 10.1016/j.ecoenv.2020.111335] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 06/11/2023]
Abstract
The black bean aphid, Aphis fabae (Homoptera: Aphididae), is a widespread pest that has more than 200 hosts in the world. Insecticide resistance (IR) due to frequent applications is the major limitation in integrated pest management programs. Biochemical resistance is a common type of IR in which the insecticide is detoxified by one or more enzymes of the pest before reaching its target site. In this study, the IR of A. fabae populations to chlorpyrifos was evaluated in two single sprayed fields (fields A and C) and one replicated spraying field (field B) in comparison with a susceptible population (field H) during 2015. After treatments, total protein content and the activity of two detoxifying enzymes, esterases (ESTs) and glutathione S-transferases (GSTs), and acetylcholinesterase (AChE) in the populations were determined. Results clearly showed higher total protein content for the field populations compared to the susceptible population. The total protein content in field B population was significantly more than other populations. The total protein contents in Field A, B and C were 2.81, 2.89 and 1.06-fold more than susceptible strain, respectively. Higher actives of enzymes were observed in fields A, B, and C populations compared to the susceptible population (field H). The highest activity of GSTs and ESTs was observed in the field B population. Taken together, the present study demonstrated a significant IR to chlorpyrifos in the sprayed populations of A. fabae that can be attributed to the higher activity of their detoxification enzymes.
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Affiliation(s)
- Farideh Khan Mirza
- Department of Plant Protection, Faculty of Agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Ahwaz, Iran
| | - Fatemeh Yarahmadi
- Department of Plant Protection, Faculty of Agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Ahwaz, Iran.
| | - Amin Lotfi Jalal-Abadi
- Department of Genetics and Plant Productions, Faculty of Agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Mollasani, Ahwaz, Iran
| | - Ali Akbar Meraaten
- Department of Biological Sciences, Institute for Advances Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
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Navarro-Roldán MA, Bosch D, Gemeno C, Siegwart M. Enzymatic detoxification strategies for neurotoxic insecticides in adults of three tortricid pests. BULLETIN OF ENTOMOLOGICAL RESEARCH 2020; 110:144-154. [PMID: 31218990 DOI: 10.1017/s0007485319000415] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We examined the role of the most important metabolic enzyme families in the detoxification of neurotoxic insecticides on adult males and females from susceptible populations of Cydia pomonella (L.), Grapholita molesta (Busck), and Lobesia botrana (Denis & Schiffermüller). The interaction between the enzyme families - carboxylesterases (EST), glutathione-S-transferases (GST), and polysubstrate monooxygenases (PSMO) - with the insecticides - chlorpyrifos, λ-cyhalothrin, and thiacloprid - was studied. Insect mortality arising from the insecticides, with the application of enzyme inhibitors - S,S,S-tributyl phosphorotrithioate (DEF), diethyl maleate (DEM), and piperonyl butoxide (PBO) - was first determined. The inhibitors' influence on EST, GST, and PSMO activity was quantified. EST and PSMO (the phase-I enzymatic activities) were involved in the insecticide detoxification in the three species for both sexes, highlighting the role of EST, whereas GST (phase-II enzymes) was involved only in G. molesta insecticide detoxification. L. botrana exhibited, in general, the highest level of enzymatic activity, with a significantly higher EST activity compared with the other species. It was the only species with differences in the response between sexes, with higher GST and PSMO activity in females than in males, which can be explained as the lower susceptibility of the females to the tested insecticides. A positive correlation between PSMO activity and the thiacloprid LD50s in the different species-sex groups was observed explaining the species-specific differences in susceptibility to the product reported in a previous study.
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Affiliation(s)
- M A Navarro-Roldán
- Department of Crop and Forest Sciences, University of Lleida (UdL), 25198-Lleida, Spain
| | - D Bosch
- Department of Sustainable Crop Protection, Food and Agriculture Research Institute (IRTA)25198-Lleida,Spain
| | - C Gemeno
- Department of Crop and Forest Sciences, University of Lleida (UdL), 25198-Lleida, Spain
| | - M Siegwart
- Agronomic National Research Institute (INRA), UR 1115 PSH, Plantes et Systèmes de culture Horticoles, 84914-Avignon, France
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