Joint effects of cadmium and copper on Apis mellifera forgers and larvae

Di, Ning; Zhang, Kai; Hladun, Kristen R.; Rust, Michael Κ.; Chen, Ya‐Feng; Zhu, Zhengyang; Liu, Tong‐Xian; Trumble, John T.

doi:10.1016/j.cbpc.2020.108839

Cited by 25 publications

(17 citation statements)

References 54 publications

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“…Bees simultaneously exposed to Pb, cadmium (Cd) and Cu accumulated significant levels of those metals and had lower brain concentrations of dopamine compared to unexposed bees (Nisbet et al, 2018). Cd and Cu exerted a weak synergistic effect on bee survival (Di et al, 2020). However, none of these studies investigated potential effects of combined exposure on cognition.…”

Section: Introductionmentioning

confidence: 99%

Heavy metal pollutants have additive negative effects on honey bee cognition

Monchanin

Drujont

Devaud

et al. 2020

Preprint

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Environmental pollutants can exert sublethal deleterious effects on animals. These include disruption of cognitive functions underlying crucial behaviours. While agrochemicals have been identified as a major threat to pollinators, other compounds, such as heavy metals that are often found in complex mixtures, have largely been overlooked. Here, we assessed the impact of acute exposure to field-realistic concentrations of lead, copper, arsenic, and their combinations, on honey bee learning and memory. All treatments involving single metals slowed down appetitive learning and disrupted memory retrieval at 24 h. Importantly, combinations of these metals induced additive negative effects on both processes, suggesting common pathways of toxicity. Our results highlight the need to further assess the risks of heavy metal pollution on invertebrates and to their associated ecosystem services.Summary statementHoney bees displayed reduced learning and memory performances following acute exposure to arsenic, copper or lead. Exposure to combinations of these metals induced additive effects.

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Section: Introductionmentioning

confidence: 99%

Heavy metal pollutants have additive negative effects on honey bee cognition

Monchanin

Drujont

Devaud

et al. 2020

Preprint

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“…Moreover, chronic exposure to copper (Cu) assessed at different stages in honey bees (14 μg mL -1 Cu) (Di et al 2020) and hive conditions (Hladun et al 2016) caused a reduction in the survival of the larvae and pupae of exposed bees. Nonetheless, it is noteworthy that chronic exposure of P. helleri larvae to 2 and 0.8 μg CuSO4 bee -1 did not affect survival from larval development to adult emergence.…”

Section: Discussionmentioning

confidence: 99%

Lethal and sublethal effects on stingless bee (Partamona helleri) larvae caused by chronic exposure to three agrochemicals

Botina

Barbosa

Acosta

et al. 2023

Preprint

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Over the last few decades, agrochemicals have been partially associated with a global reduction in bees. Toxicological assessment is crucial for understanding the overall agrochemical risks to stingless bees. Therefore, the lethal and sublethal effects of agrochemicals commonly used in crops (copper sulfate, glyphosate, and spinosad) on the behavior and gut microbiota of the stingless bee, Partamona helleri, were assessed using chronic exposure during the larval stage. The recommended field doses of CuSO4 (200 Active Ingredient, a.i., µg) and spinosad (8,16 a.i. µg) reduced survival, but not glyphosate (148 a.i. µg). No significant adverse effects on bee development were observed in any treatment with CuSO4 or glyphosate, but spinosad increased the number of deformed bees and reduced their body mass. Agrochemicals changed the behavior of bees and composition of the gut microbiota of adult bees, and metals such as copper accumulated in the bees’ bodies. The response of bees to agrochemicals depends on the class or dose of the ingested compound. In vitro rearing of stingless bees larvae is a useful tool to elucidate the sublethal effects of agrochemicals.

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“…Some reports indicate that the honey bee cell ultrastructure can be adversely affected by HMs, inducing cell apoptosis that can disrupt cell vigor and cell proliferation. HMs can also negatively affect the genetic material, resulting in mutation, and in addition, they also cause neurotoxic effects [ 86 , 89 , 91 , 94 , 95 , 96 , 97 , 98 , 99 , 100 ]. Other studies have shown that the HMs may affect antioxidant capacity and immunocompetence in honey bees [ 87 , 88 , 101 ].…”

Section: Functional Properties Of Labmentioning

confidence: 99%

Functional Properties and Antimicrobial Activity from Lactic Acid Bacteria as Resources to Improve the Health and Welfare of Honey Bees

Iorizzo

Letizia

Ganassi

et al. 2022

Insects

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Honey bees (Apis mellifera) are agriculturally important pollinators. Over the past decades, significant losses of wild and domestic bees have been reported in many parts of the world. Several biotic and abiotic factors, such as change in land use over time, intensive land management, use of pesticides, climate change, beekeeper’s management practices, lack of forage (nectar and pollen), and infection by parasites and pathogens, negatively affect the honey bee’s well-being and survival. The gut microbiota is important for honey bee growth and development, immune function, protection against pathogen invasion; moreover, a well-balanced microbiota is fundamental to support honey bee health and vigor. In fact, the structure of the bee’s intestinal bacterial community can become an indicator of the honey bee’s health status. Lactic acid bacteria are normal inhabitants of the gastrointestinal tract of many insects, and their presence in the honey bee intestinal tract has been consistently reported in the literature. In the first section of this review, recent scientific advances in the use of LABs as probiotic supplements in the diet of honey bees are summarized and discussed. The second section discusses some of the mechanisms by which LABs carry out their antimicrobial activity against pathogens. Afterward, individual paragraphs are dedicated to Chalkbrood, American foulbrood, European foulbrood, Nosemosis, and Varroosis as well as to the potentiality of LABs for their biological control.

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Joint effects of cadmium and copper on Apis mellifera forgers and larvae

Cited by 25 publications

References 54 publications

Heavy metal pollutants have additive negative effects on honey bee cognition

Heavy metal pollutants have additive negative effects on honey bee cognition

Lethal and sublethal effects on stingless bee (Partamona helleri) larvae caused by chronic exposure to three agrochemicals

Functional Properties and Antimicrobial Activity from Lactic Acid Bacteria as Resources to Improve the Health and Welfare of Honey Bees

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