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Tytuł:
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Susceptibility of Dermanyssus gallinae from China to acaricides and functional analysis of glutathione S-transferases associated with beta-cypermethrin resistance.
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Autorzy:
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Wang C; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
Xu X; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
Huang Y; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
Yu H; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
Li H; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
Wan Q; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
Li H; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
Wang L; Animal Disease Prevention and Control Centre of Pinggu District, Beijing 101200, China.
Sun Y; Animal Disease Prevention and Control Centre of Pinggu District, Beijing 101200, China.
Pan B; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China. Electronic address: .
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Źródło:
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Pesticide biochemistry and physiology [Pestic Biochem Physiol] 2021 Jan; Vol. 171, pp. 104724. Date of Electronic Publication: 2020 Oct 17.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: New York Ny : Academic Press
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MeSH Terms:
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Acaricides*/pharmacology
Mites*
Pyrethrins*/pharmacology
Animals ; China ; Glutathione ; Transferases
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Contributed Indexing:
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Keywords: Beta-cypermethrin; Dermanyssus gallinae; Glutathione S-transferases; Poultry red mite; Resistance
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Substance Nomenclature:
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0 (Acaricides)
0 (Pyrethrins)
1TR49121NP (cypermethrin)
EC 2.- (Transferases)
GAN16C9B8O (Glutathione)
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Entry Date(s):
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Date Created: 20201228 Date Completed: 20201229 Latest Revision: 20201229
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Update Code:
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20240105
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DOI:
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10.1016/j.pestbp.2020.104724
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PMID:
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33357546
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Dermanyssus gallinae poses a significant threat to poultry production, and the resistance to pyrethroids has been identified worldwide. Periodic monitoring of acaricide resistance in D. gallinae is very important for its control, and molecular mechanism associated with beta-cypermethrin resistance in D. gallinae is not fully clear. Results showed, four field isolates of CBP-1, CBP-2, CBP-5 and CBY-1 from China remained either susceptible or with decreased susceptibility (resistance ratio < 5.0) to phoxim, amitraz, propoxur and carbaryl. Four field isolates of CBP-1, CBP-3, CBY-2 and CBH-1 had developed high or extremely high level of resistance (resistance ratio ≥ 40.0) to beta-cypermethrin or permethrin. Detoxification enzyme activity of GSTs was significantly higher in beta-cypermethrin resistant (RS) than susceptible strain (SS), indicating that GSTs are probably involved in beta-cypermethrin resistance in D. gallinae. The recombinant GSTs (rGST-1, 2, 3) showed a pronounced activity toward the conjugates of 1-chloro-2, 4 dinitrobenzene (CDNB) and glutathione (GSH), with rGST-1 presenting the highest enzymatic activity. Constitutive over-expression of Deg-GST-2 was detected in RS strain, and GSTs genes were all inducible with the treatment of beta-cypermethrin in SS and RS strains. More importantly, knocking down Deg-GST-2 gene expression by RNAi increased the susceptibility of RS strain to beta-cypermethrin. HPLC analysis indicated that rGST-1 protein could metabolize phoxim directly, but rGSTs could not directly metabolize beta-cypermethrin. Our results indicated that some field isolates of D. gallinae from China had developed high level of resistance to pyrethroids, and elevated GSTs activity as well as increased GSTs expression levels were involved in beta-cypermethrin resistance, but the three evaluated GSTs did not play a direct role in the metabolism of beta-cypermethrin.
(Copyright © 2020 Elsevier Inc. All rights reserved.)
