期刊
TOXICS
卷 9, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/toxics9050109
关键词
microplastics; honey bees; ecological risk assessment; environmental pollution; pollinator crisis
资金
- Alexander von Humboldt foundation (AvH)
Microplastics (MPs) are widespread and persistent pollutants found in various media, with potential negative effects on the health and fitness of honey bees. Further research is needed to assess the risks of MPs to bees before they can be considered a potential threat.
Microplastics (MPs) are ubiquitous and persistent pollutants, and have been detected in a wide variety of media, from soils to aquatic systems. MPs, consisting primarily of polyethylene, polypropylene, and polyacrylamide polymers, have recently been found in 12% of samples of honey collected in Ecuador. Recently, MPs have also been identified in honey bees collected from apiaries in Copenhagen, Denmark, as well as nearby semiurban and rural areas. Given these documented exposures, assessment of their effects is critical for understanding the risks of MP exposure to honey bees. Exposure to polystyrene (PS)-MPs decreased diversity of the honey bee gut microbiota, followed by changes in gene expression related to oxidative damage, detoxification, and immunity. As a result, the aim of this perspective was to investigate whether wide-spread prevalence of MPs might have unintended negative effects on health and fitness of honey bees, as well as to draw the scientific community's attention to the possible risks of MPs to the fitness of honey bees. Several research questions must be answered before MPs can be considered a potential threat to bees.
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