Imidacloprid exposure disrupts gene expression in Apis mellifera, potentially threatening pollination efficiency

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorLippi, Isabella Cristina de Castro-
Autor(es): dc.creatorLima, Yan Souza-
Autor(es): dc.creatorScheffer, Jaine da Luz-
Autor(es): dc.creatorMoreira, Iloran Do Rosário Corrêa-
Autor(es): dc.creatorKadri, Samir Moura-
Autor(es): dc.creatorAlvarez, Marcus Vinícius Niz-
Autor(es): dc.creatorOrsi, Ricardo de Oliveira-
Data de aceite: dc.date.accessioned2025-08-21T21:52:00Z-
Data de disponibilização: dc.date.available2025-08-21T21:52:00Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/299380-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/299380-
Descrição: dc.descriptionBees are indispensable pollinators for maintaining both ecosystems and agricultural productivity. However, their populations have been reduced, potentially attributed to habitat loss, climate change, heightened vulnerability to diseases and parasites, and the use of pesticides. Neonicotinoids, acting as agonists of nicotinic cholinergic receptors, have been associated with detrimental impacts on bees, including decreased survival rates. In this study, Apis mellifera L. in their foraging phase were exposed to lethal or sublethal doses of imidacloprid through ingestion or contact. After 1 and 4 hours, the bees were euthanised and stored in an ultra-freezer (−80 °C) for transcriptomic analysis. After 1 hour and 4 hours of all treatments, twenty-four genes were differentially expressed, potentially impacting foraging activity and thus pollination, promoting genetic dysregulation, and affecting genes associated with odorant-binding proteins (OBPs) and chemosensory proteins (CSPs). This suppression suggests compromised olfactory function and chemical communication, essential for foraging and pollination. Additionally, metabolic alterations were observed, influencing crucial enzymes involved in carbohydrate and protein digestion, potentially impacting bee performance. Imidacloprid exposure also disrupted the gene encoding a circadian clock-controlled protein, which regulates circadian rhythms essential for behaviours like orientation, navigation, and sleep, all crucial for colony survival. Evidence of an adaptive response to oxidative stress was observed, indicated by increased expression of genes related to hexamerin 70a and vitellogenin. Beyond threats to bee health, substanti al economic and environmental impacts are evident, underscoring the urgent need for sustainable alternatives in pesticide management to ensure bee preservation and global food security.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionCentre of Education Science and Technology in Rational Beekeeping (NECTAR) Department of Animal Production and Medicine Veterinary Preventive UNESP-São Paulo State University, Campus Botucatu-Distrito de Rubião Junior s/n, Caixa Postal 560-
Descrição: dc.descriptionInstitute of Biotechnology UNESP-São Paulo State University, São Paulo-
Descrição: dc.descriptionCentre of Education Science and Technology in Rational Beekeeping (NECTAR) Department of Animal Production and Medicine Veterinary Preventive UNESP-São Paulo State University, Campus Botucatu-Distrito de Rubião Junior s/n, Caixa Postal 560-
Descrição: dc.descriptionInstitute of Biotechnology UNESP-São Paulo State University, São Paulo-
Descrição: dc.descriptionFAPESP: 2020/10524-0-
Descrição: dc.descriptionCAPES: 88887.502119/2020-00-
Formato: dc.format245-252-
Idioma: dc.languageen-
Relação: dc.relationBulletin of Insectology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjecthoney bee-
Palavras-chave: dc.subjectneonicotinoids-
Palavras-chave: dc.subjectpesticides-
Palavras-chave: dc.subjectpollination-
Título: dc.titleImidacloprid exposure disrupts gene expression in Apis mellifera, potentially threatening pollination efficiency-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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