Uridine diphosphate glucosyltransferase is vital for fenpropathrin resistance in Bombyx mori (Lepidoptera).
Bombyx mori
UGT
fenpropathrin
pest management
resistance mechanism
Journal
Insect molecular biology
ISSN: 1365-2583
Titre abrégé: Insect Mol Biol
Pays: England
ID NLM: 9303579
Informations de publication
Date de publication:
13 Apr 2024
13 Apr 2024
Historique:
received:
12
12
2023
accepted:
21
03
2024
medline:
13
4
2024
pubmed:
13
4
2024
entrez:
13
4
2024
Statut:
aheadofprint
Résumé
The silkworm (Bombyx mori) is an important model lepidopteran insect and can be used to identify pesticide resistance-related genes of great significance for biological control of pests. Uridine diphosphate glucosyltransferases (UGTs), found in all organisms, are the main secondary enzymes involved in the metabolism of heterologous substances. However, it remains uncertain if silkworm resistance to fenpropathrin involves UGT. This study observes significant variations in BmUGT expression among B. mori strains with variable fenpropathrin resistance post-feeding, indicating BmUGT's role in fenpropathrin detoxification. Knockdown of BmUGT with RNA interference and overexpression of BmUGT significantly decreased and increased BmN cell activity, respectively, indicating that BmUGT plays an important role in the resistance of silkworms to fenpropathrin. In addition, fenpropathrin residues were significantly reduced after incubation for 12 h with different concentrations of a recombinant BmUGT fusion protein. Finally, we verified the conservation of UGT to detoxify fenpropathrin in Spodoptera exigua: Its resistance to fenpropathrin decreased significantly after knocking down SeUGT. In a word, UGT plays an important role in silkworm resistance to fenpropathrin by directly degrading the compound, a function seen across other insects. The results of this study are of great significance for breeding silkworm varieties with high resistance and for biological control of pests.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : the Research Foundation of Education Bureau of Hunan Province
ID : 21A0560
Organisme : the Natural Science Foundation of Hunan Province
ID : 2022JJ40195
Organisme : the Wenzhou Municipal Science and Technology Bureau
ID : WZ2023-15864296
Organisme : the Postgraduate Research & Practice Innovation Program of Jiangsu Province
ID : SJCX23_2240
Organisme : the Open Fund of the Key Laboratory of Silkworm and Mulberry Genetic Improvement
ID : KL202202
Organisme : Open Fund of Wenzhou Science and Technology Bureau Foundation
ID : 2023N0004
Informations de copyright
© 2024 Royal Entomological Society.
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