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Gao S, Tan Y, Han H, Guo N, Gao H, Xu L, Lin K. Resistance to Beta-cypermethrin, Azadirachtin, and Matrine, and Biochemical Characterization of Field Populations of Oedaleus asiaticus (Bey-Bienko) in Inner Mongolia, Northern China. JOURNAL OF INSECT SCIENCE (ONLINE) 2022; 22:1. [PMID: 36374481 PMCID: PMC9662316 DOI: 10.1093/jisesa/ieac063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Indexed: 06/16/2023]
Abstract
Oedaleus asiaticus (Bey-Bienko) is an economically devastating locust species found in grassland and pastoral areas of the Inner Mongolia region of northern China. In this study, resistance to three frequently used insecticides (beta-cypermethrin, matrine, and azadirachtin) was investigated in six field populations of O. asiaticus using the leaf-dip bioassay method. The inhibitory effects of synergists and the activities of detoxification enzyme activities in the different populations were determined to explore potential biochemical resistance mechanisms. The results showed that the field populations SB (resistance ratio [RR] = 7.85), ZB (RR = 5.64), and DB (RR = 6.75) had developed low levels of resistance to beta-cypermethrin compared with a susceptible control strain. Both the SB (RR = 5.92) and XC (RR = 6.38) populations had also developed low levels of resistance against matrine, with the other populations remaining susceptible to both beta-cypermethrin and matrine. All field populations were susceptible to azadirachtin. Synergism analysis showed that triphenyl phosphate (TPP) and diethyl-maleate (DEM) increased the toxicity of beta-cypermethrin significantly in the SB population, while the synergistic effects of TPP, piperonyl butoxide (PBO), and DEM on the toxicity of matrine were higher in SB (SR 3.86, 4.18, and 3.07, respectively) than in SS (SR 2.24, 2.86, and 2.29, respectively), but no synergistic effects of TPP, PBO, and DEM on azadirachtin were found. Biochemical assays showed that the activities of carboxylesterases (CarEs) and glutathione-S-transferases (GSTs) were significantly raised in all field populations of O. asiaticus, with a significant positive correlation observed between beta-cypermethrin resistance and CarE activity. The activities of cytochrome P450 monooxygenases (P450) and multi-function oxidases (MFO) were elevated in all six field populations, and P450 activity displayed strong positive correlations with the three insecticides. Our findings suggest that resistance to beta-cypermethrin in O. asiaticus may be mainly attributed to elevated CarE and GST activities, while P450 plays an important role in metabolizing matrine and azadirachtin. Our study provides insights that will help improve insecticide resistance management strategies.
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Affiliation(s)
- Shujing Gao
- Institute of Grassland Research, Chinese Academy of Agricultural Science, Hohhot 010010, Inner Mongolia, China
| | - Yao Tan
- Research Center for Grassland Entomology, Inner Mongolia Agricultural University, Hohhot 010020, China
| | - Haibin Han
- Institute of Grassland Research, Chinese Academy of Agricultural Science, Hohhot 010010, Inner Mongolia, China
| | - Na Guo
- Institute of Grassland Research, Chinese Academy of Agricultural Science, Hohhot 010010, Inner Mongolia, China
| | - Haiyan Gao
- Institute of Grassland Research, Chinese Academy of Agricultural Science, Hohhot 010010, Inner Mongolia, China
| | - Linbo Xu
- Institute of Grassland Research, Chinese Academy of Agricultural Science, Hohhot 010010, Inner Mongolia, China
| | - Kejian Lin
- Institute of Grassland Research, Chinese Academy of Agricultural Science, Hohhot 010010, Inner Mongolia, China
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Cypermethrin resistance in Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae) from three locations in Thailand and detoxification enzyme activities. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.anres.2018.10.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Marty MA, Krieger RI. Metabolism of uscharidin, a milkweed cardenolide, by tissue homogenates of monarch butterfly larvae,Danaus plexippus L. J Chem Ecol 2013; 10:945-56. [PMID: 24318786 DOI: 10.1007/bf00987975] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/1983] [Revised: 09/22/1983] [Indexed: 11/24/2022]
Abstract
Midgut and fat body homogenates of monarch butterfly larvae,Danaus plexippus L. (Lepidoptera:Danaidae), were examined for microsomal monooxygenase activity usingp-chloro-N-methylanilineN-demethylation and for the ability to metabolize a milkweed (Asclepias spp.) cardenolide (C23 steroid glycoside), uscharidin. All homogenates tested had bothN-demethylation and uscharidin biotransformation activities. Both transformations required NADPH. The monooxygenase inhibitors sesamex, SKF525A, and carbon monoxide inhibitedN-demethylation but not uscharidin biotransformation. Subsequent subcellular fractionation revealed the uscharidin biotransformation occurs in the soluble fraction and not the microsomal fraction, whileN-demethylation occurs in the microsomal fraction and not the soluble fraction. The larval NADPH-dependent microsomal monooxygenase apparently is not involved in the metabolism of uscharidin.
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Affiliation(s)
- M A Marty
- Department of Environmental Toxicology, University of California Davis, 95616, California
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Chen XQ, Xiao Y, Wu LB, Chen Y, Peng Y. Imidacloprid affects Pardosa pseudoannulata adults and their unexposed offspring. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2012; 88:654-658. [PMID: 22395200 DOI: 10.1007/s00128-012-0584-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 02/23/2012] [Indexed: 05/31/2023]
Abstract
Imidacloprid is a nicotine-based, systemic, widely used insecticide. In order to investigate the effects of imidacloprid on the spider Pardosa pseudoannulata (Araneae: Lycosidae), specimens were exposed to different concentrations of imidacloprid (12.5, 25, 50, 100, 200 mg/L) by the dipping method. Surviving spiders were used to determine the fecundity, development time of unexposed offspring, predation, and the activities of detoxification enzymes. Significant reductions were observed in survival rate and fecundity of spiders exposed to imidacloprid. The development times of unexposed offspring (F(1)) were prolonged significantly with increased concentrations of imidacloprid. Spiders exposed to concentrations of imidacloprid above 25 mg/L showed significantly weaker predation on Drosophila melanogaster than the control group, but a low dose of imidacloprid (12.5 mg/L) increased predation ability. The activities of carboxyl esterase, acetyl cholinesterase, and the mixed-function oxidase were significantly inhibited by imidacloprid. With increasing concentrations of imidacloprid, the activities of all three kinds of enzymes were decreased significantly. These results suggest that imidacloprid can stimulate the performance of spiders (in low concentration) and has chronic toxicity to the spiders.
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Affiliation(s)
- Xiao-qiong Chen
- College of Life Sciences, Hubei University, Wuhan, 430062, People's Republic of China
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Price NR. Insect resistance to insecticides: mechanisms and diagnosis. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. C, COMPARATIVE PHARMACOLOGY AND TOXICOLOGY 1991; 100:319-26. [PMID: 1687524 DOI: 10.1016/0742-8413(91)90003-c] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- N R Price
- Ministry of Agriculture, Fisheries and Food, Central Science Laboratory, Slough, Berks, U.K
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Microsomal Mono-Oxygenases. Pharmacology 1985. [DOI: 10.1016/b978-0-08-030812-8.50012-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
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Zijlstra JA, Vogel EW, Breimer DD. Strain-differences and inducibility of microsomal oxidative enzymes in Drosophila melanogaster flies. Chem Biol Interact 1984; 48:317-38. [PMID: 6424954 DOI: 10.1016/0009-2797(84)90143-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Some basic characteristics of the enzyme system involved in the oxidative metabolism of xenobiotic compounds were investigated in Drosophila melanogaster flies. Attention was focussed on (1) the normal levels of these enzymes and their activities in whole flies, in different parts of the fly's body and in different sexes, (2) the changes in levels and activities of the enzymes elicited by pretreatment of the flies with known enzyme inducers and (3) differences between strains. Four commonly used wild-type (WT) strains, three insecticide resistant strains (IR) and one white-eyed mutant strain were employed. Except in those experiments on sex differences and in spatial distribution in the fly's body of the enzymatic activities, microsomes were isolated from whole-body homogenates of mixtures of female and male flies. Microsomal cytochrome P-450, benzo[a]pyrene (BP) hydroxylation, p-nitroanisole (pNA) demethylation and aminopyrine (AP) demethylation were measured in control flies and in flies pretreated with Aroclor 1254 (AC), phenobarbital (PB) or butylated hydroxytoluene (BHT). In flies of the WT strain Berlin-K, there were no significant differences in BP hydroxylation activity and its inducibility between the two sexes. In males, inducibility of BP hydroxylation activity was similar in the head, thorax and abdomen, but significantly lower in testis. Considerable differences in some enzyme activities were found between the strains. pNA demethylation and AP demethylation were substantially higher in all IR strains, while no correlation could be found between their increased insecticide resistance and BP hydroxylating capacity or cytochrome P-450 content of the microsomes. Response to enzyme inducing compounds was found to be strain-dependent. PB proved to be a more efficient inducer of BP hydroxylation than AC, which does induce pNA demethylation. BHT has inducing properties that are intermediate between PB and AC. IR strain Hikone-R turned out to be an exception, possessing very low BP hydroxylating capacity and a low degree of inducibility of mixed-function oxidase activities. Differential temperature dependence was found for BP hydroxylation as compared with pNA demethylation. While BP hydroxylation was doubled when raising the temperature from 25 degrees C to 35 degrees C, pNA demethylation was reduced by 50%.
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Yu SJ, Ing RT. Microsomal biphenyl hydroxylase of fall armyworm larvae and its induction by allelochemicals and host plants. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. C, COMPARATIVE PHARMACOLOGY AND TOXICOLOGY 1984; 78:145-52. [PMID: 6146463 DOI: 10.1016/0742-8413(84)90062-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Biphenyl was hydroxylated to 4-hydroxybiphenyl by a mixed-function oxidase system from midgut microsomes of fall armyworm (Spodoptera frugiperda) larvae. Optimum conditions for assaying the enzyme were established. The microsomal biphenyl 4-hydroxylase activity increased during larval development and declined in the prepupa. Allelochemicals (monoterpenes, indoles and flavones), drugs (phenobarbital and 3-methylcholanthrene) and host plants were found to induce the hydroxylase. The enzyme was also found to be fairly active in other species such as velvetbean caterpillars, corn earworms, tobacco budworms, mole crickets, American cockroaches and honey bees.
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Fisher CW, Mayer RT. Characterization of house fly microsomal mixed function oxidases: inhibition by juvenile hormone i and piperonyl butoxide. Toxicology 1982; 24:15-31. [PMID: 6814016 DOI: 10.1016/0300-483x(82)90059-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The microsomal mixed function oxidase system of the house fly (Musca domestica [L.]) was characterized with respect to N-demethylation of p-chloromethylaniline, O-demethylation of methoxyresorufin, epoxidation of aldrin and the formation of a metabolite-cytochrome P-450 complex during oxidation of piperonyl butoxide (PB). The inhibition of these reactions by juvenile hormone I (E, E cis methyl 10,11-epoxy-7-ethyl-3, 11-dimethyl-2, 6-tridecadienoate, JH-I) was competitive for the N-demethylase, epoxidase and the formation of the PB metabolite-complex. Non-competitive inhibition was observed for the O-demethylase. The inhibition of these reactions by JH-I provides evidence that the mixed function oxidase system participates in the degradation of juvenile hormone, and that the juvenile hormone-like properties of PB and other methylenedioxyphenyl compounds are derived from their inhibition of this degradation. The PB metabolite-cytochrome P-450 complex has 2 absorbance maxima in the reduced form (427 and 455 nm), and a single absorbance maximum in the oxidized form (438 nm). pH affected the extinction of the 427 and 455 nm absorbance bands. The pH equilibrium point was 8.3 for the reduced PB metabolite complex, and 9.5 for ethylisocyanide. In addition, the PB metabolite complex could be generated in vivo.
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Cohen E. Studies on several microsomal enzymes in two strains of Tribolium castaneum (tenebrionidae, coleoptera). ACTA ACUST UNITED AC 1982. [DOI: 10.1016/0306-4492(82)90022-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Kulkarni AP, Hodgson E. Multiplicity of cytochrome P-450 in microsomal membranes from the housefly, Musca domestica. BIOCHIMICA ET BIOPHYSICA ACTA 1980; 632:573-88. [PMID: 7437476 DOI: 10.1016/0304-4165(80)90334-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The heterogeneity of cytochrome P-450 in abdominal microsomes from the CSMA, SBO, Fc, Rutgers and Baygon strains of the housefly was examined by three different methods. Examination of 'apparent absolute absorption spectra' indicated at least two types of cytochrome in all strains, one with an absorption maximum at about 394 nm, being present in greater quantity in the insecticide-resistant strains, while the other, with an absorption maximum at about 412 nm, predominates in the insecticide-susceptible strains. Controlled tryptic digestion of microsomes followed by spectral examination at various time intervals indicated a heterogeneous population of cytochromes P-450 in CSMA, Fc and Rutgers strains. Subfractionation of microsomes from houseflies of the CSMA and Fc strains by a two-step discontinuous sucrose gradient centrifugation method provided evidence for cytochromes P-450 of different spectral characteristics. The concentration of cytochrome P-450, as well as its spectral characteristics varied between fractions and strains.
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Comparative Toxicology: Cytochrome P 450 and Mixed-Function Oxidase Activity in Target and Nontarget Organisms. ACTA ACUST UNITED AC 1976. [DOI: 10.1016/b978-0-12-107607-8.50009-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Pelkonen O, Kärki N. Epoxidation of xenobiotics in the human fetus and placenta: A possible mechanism of transplacental drug-induced injuries. Biochem Pharmacol 1975. [DOI: 10.1016/0006-2952(75)90372-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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