Abstract：
:τ-Fluvalinate (fluvalinate) is a highly selective pyrethroid insecticide compound used for controlling ectoparasitic mites that cause major damages in honey bee colonies. Although honey bees have resistance and low toxicity to this xenobiotic chemical, little is known about the effects of this chemical on sensory modulation and behaviors in honey bees. Here we addressed the effect on olfactory cognition at the behavioral, molecular, and neurophysiological levels. First, we found that topical application of fluvalinate to honeybee abdomen elicited somewhat severe toxicity to honey bees. Furthermore, honeybees treated with sublethal doses of fluvalinate showed a significant decrease in olfactory responses. At the molecular level, there was no change in gene expression levels of odorant receptor co-receptor (Orco), which is important for electrical conductivity induced by odorant binding in insects. Rather, small neuropeptide F (sNPF) signaling pathway was involved in olfactory fluctuation after treatment of fluvalinate. This indicates that olfactory deficits by abdominal contact of fluvalinate may stem from various internal molecular pathways in honey bees.
journal_name
Pestic Biochem Physioljournal_title
Pesticide biochemistry and physiologyauthors
Lim S,Yunusbaev U,Ilyasov R,Lee HS,Kwon HWdoi
10.1016/j.pestbp.2020.02.005subject
Has Abstractpub_date
2020-03-01 00:00:00pages
221-227eissn
0048-3575issn
1095-9939pii
S0048-3575(20)30028-6journal_volume
164pub_type
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