Anthropogenic influence on seasonal and spatial variation in bioelements and non-essential elements in honeybees and their hemolymph

Ilijević, Konstantin; Vujanović, Dragana; Orčić, Snežana; Purać, Jelena; Kojić, Danijela; Zarić, Nenad M.; Gržetić, Ivan; Blagojević, Duško; Čelić, Tatjana V.

doi:10.1016/j.cbpc.2020.108852

Cited by 17 publications

(4 citation statements)

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“…The environmental risk thresholds applied by Ruschioni et al (2013) for Cd (0.10 µg g −1 ), Cr (0.12 µg g −1 ), Ni (0.3 µg g −1 ), and Pb (0.7 µg g −1 ) served as a reference to relate our TE contents in ). However, it is likely that various exposure routes exist, implying that both bulk analysis of bees' abdomens and surface analysis of their bodies may offer different insights into the source of TE pollution (Ilijević et al, 2021;Negri et al, 2015;Sadowska et al, 2019). In addition, bees possess the ability to excrete TEs from their bodies in an element-dependent manner (Borsuk et al, 2021), which further complicates identification of a linear relationship between environmental pollution level and TE content in bees.…”

Section: Resultsmentioning

confidence: 99%

“…They found a substantial flux of Pb and Cd excreted in faeces, where bees’ ability to remove Cd during honey production significantly exceeded that for Pb. The involvement of haemolymph in TE toxicokinetics is a potential factor to consider (Ilijević et al, 2021). Some biomolecules with a strong affinity toward Cd, such as metallothioneins, may play a crucial role in Cd detoxification and tolerance in insects (Zhang et al, 2021), thus potentially explaining the peculiarities in Cd–Pb–other TE patterns.…”

Section: Resultsmentioning

confidence: 99%

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Honey Bees and Associated Matrices as Biomonitors of Soil Trace Elements: Assessment of their Sensitivity in a Regional Rural Environment

Praus,

Urbanová,

Száková

2023

Enviro Toxic and Chemistry

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Honey bees (Apis mellifera L.) represent a random biosampler integrating pollutants over space and time. An effective biomonitor for trace element (TE) pollution should provide a linear response to TE levels in the environment. However, uncertainties in detecting TEs originating in soil limit their use. To address this, nine experimental sites with multiple apiaries were established in the Upper Palatine Forest, Czech Republic. The soils surrounding the hives were characterized by estimations of the pseudototal and (bio)available pools of TEs. Our study aimed to (1) quantify the linear relationships between soil TE indices and TE contents in bees, bee bread, honey, and wax, and (2) verify the biobarrier function protecting honey from TE contamination. Lead (0.046–0.140 µg g−1) and nickel (0.12–4.30 µg g−1) contents in bees showed strong linear correlations with (bio)available Pb (0.012–0.254 µg g−1) and pseudototal Ni (17.1–36.4 µg g−1) in soil (Pearson's r = 0.95 and 0.88, p < 0.005), providing high spatial resolution. A weaker, insignificant correlation was observed for chromium (Cr; r = 0.65) and vanadium (V; 0.44), while no correlation was found for cadmium (Cd). However, the lack of associations for Cr, V, and Cd may result from the low soil TE levels in the region, negligible differences among the majority of sites, and temporal concerns related to different time scales of the biomonitors, impacting the linear model's sensitivity. Biochemical traits in bees, such as the biobarrier function, and different bioavailability of TEs from ingested matter may affect the matrix‐to‐matrix transfer of TEs in an element‐dependent manner. Consequently, the linear response of bee‐related biomonitors to TE levels in the environment may significantly deteriorate. Environ Toxicol Chem 2023;00:1–11. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Honey Bees and Associated Matrices as Biomonitors of Soil Trace Elements: Assessment of their Sensitivity in a Regional Rural Environment

Praus,

Urbanová,

Száková

2023

Enviro Toxic and Chemistry

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“…For instance, Bilandžić et al (2014) Previous studies have reported higher heavy metal concentrations in honeybee bodies during active seasons when compared with moderately active seasons. For instance, Ilijević et al (2021) identified seasonal and spatial variations in bio-and nonessential element content in honeybees and concluded that elements were influenced by both location and season. The authors also identified higher nonessential element concentrations (including Pb) in spring and summer honeybees when compared with winter bees.…”

Section: Discussionmentioning

confidence: 99%

Seasonal heavy metal effects on detoxification and antioxidant gene expression in the urban honeybee

Gizaw,

Kim,

Moon

et al. 2023

Entomological Research

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Environmental pollutants are associated with honeybee colony losses and may show seasonal concentration variations with respect to the environment and plants. In this study, we examined arsenic (As), lead (Pb), and mercury (Hg) seasonal variations in honey and honeybees in urban areas. Seasonal trends in detoxification (CYP9Q1, CYP9Q2, and CYP9Q3) and antioxidant genes encoding catalase (CAT) and superoxide dismutase (SOD1) were also determined in honeybees. Accordingly, As, Pb, and Hg concentrations were significantly increased in summer in both honey and honeybee samples when compared with other seasons. Similarly, the expression level of CYP9Q1, CYP9Q2, CYP9Q3, SOD1, and CAT showed a significant increase in summer honeybees. This increased expression level particularly in summer honeybees indicating an increased summer honeybee exposure and adaptive oxidative stress responses to environmental pollutants, including heavy metals due to increased flight activity when compared with other seasons. Thus, active season honeybees were subjected to environmental oxidative and detoxification stressors when exposed to environmental pollutants, including heavy metals.

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“…Minerals and nutrients are vital for the reproduction and development of adult bees and larvae. It is known that some elements are essential to honey bees (Na, K, Ca, Mg, P), while others can be toxic (Al, Pb, Cd, Ba) [10,11]. Al is not a proven nutrient.…”

Section: Introductionmentioning

confidence: 99%

Micronutrient Deficiency May Be Associated with the Onset of Chalkbrood Disease in Honey Bees

Pavlović,

Brodschneider,

Goessler

et al. 2024

Insects

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Chalkbrood is a disease of honey bee brood caused by the fungal parasite Ascosphaera apis. Many factors such as genetics, temperature, humidity and nutrition influence the appearance of clinical symptoms. Poor nutrition impairs the immune system, which favors the manifestation of symptoms of many honey bee diseases. However, a direct link between dietary ingredients and the symptoms of chalkbrood disease has not yet been established. We show here that the elemental composition of chalkbrood mummies and healthy larvae from the same infected hives differ, as well as that mummies differ from larvae from healthy hives. Chalkbrood mummies had the highest concentration of macroelements such as Na, Mg, P, S, K and Ca and some microelements such as Rb and Sn, and at the same time the lowest concentration of B, As, Sr, Ag, Cd, Sb, Ba and Pb. Larvae from infected hives contained less Pb, Ba, Cs, Sb, Cd, Sr, As, Zn, Cu, Ni, Co, Mn, Cr, V and Al in contrast to healthy larvae from a disease-free apiary. This is the first study to demonstrate such differences, suggesting that an infection alters the larval nutrition or that nutrition is a predisposition for the outbreak of a chalkbrood infection. Though, based on results obtained from a case study, rather than from a controlled experiment, our findings stress the differences in elements of healthy versus diseased honey bee larvae.

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Anthropogenic influence on seasonal and spatial variation in bioelements and non-essential elements in honeybees and their hemolymph

Cited by 17 publications

References 40 publications

Honey Bees and Associated Matrices as Biomonitors of Soil Trace Elements: Assessment of their Sensitivity in a Regional Rural Environment

Honey Bees and Associated Matrices as Biomonitors of Soil Trace Elements: Assessment of their Sensitivity in a Regional Rural Environment

Seasonal heavy metal effects on detoxification and antioxidant gene expression in the urban honeybee

Micronutrient Deficiency May Be Associated with the Onset of Chalkbrood Disease in Honey Bees

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