Combined effect of a neonicotinoid insecticide and a fungicide on honeybee gut epithelium and microbiota, adult survival, colony strength and foraging preferences

Favaro, Riccardo; Garrido, Paula Melisa; Bruno, Daniele; Braglia, Chiara; Alberoni, Daniele; Baffoni, Loredana; Tettamanti, Gianluca; Porrini, Martin Pablo; Di Gioia, Diana; Angeli, Sergio

doi:10.1016/j.scitotenv.2023.167277

Science of The Total Environment

2023

DOI: 10.1016/j.scitotenv.2023.167277

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Combined effect of a neonicotinoid insecticide and a fungicide on honeybee gut epithelium and microbiota, adult survival, colony strength and foraging preferences

Riccardo Favaro,

Paula Melisa Garrido,

Daniele Bruno

et al.

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2024

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Cited by 6 publications

References 90 publications

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Prospects of probiotics in beekeeping: a review for sustainable approach to boost honeybee health

Smriti,

Rana,

Singh

et al. 2024

Arch Microbiol

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Prospects of probiotics in beekeeping: a review for sustainable approach to boost honeybee health

Smriti,

Rana,

Singh

et al. 2024

Arch Microbiol

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Application of a robust MALDI mass spectrometry approach for bee pollen investigation

Braglia,

Alberoni,

Di Gioia

et al. 2024

Anal Bioanal Chem

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Pollen collected by pollinators can be used as a marker of the foraging behavior as well as indicate the botanical species present in each environment. Pollen intake is essential for pollinators’ health and survival. During the foraging activity, some pollinators, such as honeybees, manipulate the collected pollen mixing it with salivary secretions and nectar (corbicular pollen) changing the pollen chemical profile. Different tools have been developed for the identification of the botanical origin of pollen, based on microscopy, spectrometry, or molecular markers. However, up to date, corbicular pollen has never been investigated. In our work, corbicular pollen from 5 regions with different climate conditions was collected during spring. Pollens were identified with microscopy-based techniques, and then analyzed in MALDI-MS. Four different chemical extraction solutions and two physical disruption methods were tested to achieve a MALDI-MS effective protocol. The best performance was obtained using a sonication disruption method after extraction with acetic acid or trifluoroacetic acid. Therefore, we propose a new rapid and reliable methodology for the identification of the botanical origin of the corbicular pollens using MALDI-MS. This new approach opens to a wide range of environmental studies spanning from plant biodiversity to ecosystem trophic interactions. Graphical Abstract

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Environmental pollution effect on honey bees and their derived products: a comprehensive analysis

Margaoan,

Papa,

Nicolescu

et al. 2024

Environ Sci Pollut Res

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Several factors, including environmental degradation, air pollution, intense urbanization, excessive agriculture, and climate change, endanger the well-being of animals and plants. One of the major issues with an increasingly negative impact is agricultural contamination with pesticides and antibiotics. Seed coatings with neonicotinoid insecticides used as a protective layer against pests are shown to exceed the permissible limits in most cases. Neonicotinoid compounds bind to nicotinic acetylcholine receptors, therefore affecting the honey bees’ brain. Heavy metals in higher concentrations are lethal for honey bees, and the residue in bee products might pose a threat to human health. Highly effective acaricides used to treat Varroa destructor infestations in honey bee colonies have negative effects on honey bee reproduction, olfaction, and honey production. Furthermore, amitraz and fluvalinate are mostly found in the highest amounts and lead to decreased honey production and reduced colony reproduction, along with decreased learning ability and memory. However, scientific studies have shown that honey bees act as a reliable bio-indicator of environmental pollution. In response to the growing demand for bee products, the effects of adulteration and improper storage conditions have gotten worse and represent a new risk factor. In light of the shifting global economy, it is important to analyze consumer expectations and adjust manufacturing accordingly. By ensuring the manufacture of high-quality, traceable products devoid of drug residues, consumers will be better protected from subsequent health problems. This review’s objectives are based on the necessity of identifying the risks associated with honey bees and bee products. Graphical abstract

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Combined effect of a neonicotinoid insecticide and a fungicide on honeybee gut epithelium and microbiota, adult survival, colony strength and foraging preferences

Cited by 6 publications

References 90 publications

Prospects of probiotics in beekeeping: a review for sustainable approach to boost honeybee health

Prospects of probiotics in beekeeping: a review for sustainable approach to boost honeybee health

Application of a robust MALDI mass spectrometry approach for bee pollen investigation

Environmental pollution effect on honey bees and their derived products: a comprehensive analysis

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