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Pavlović R, Brodschneider R, Goessler W, Stanisavljević L, Vujčić Z, Zarić NM. Micronutrient Deficiency May Be Associated with the Onset of Chalkbrood Disease in Honey Bees. Insects 2024; 15:269. [PMID: 38667399 PMCID: PMC11050715 DOI: 10.3390/insects15040269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/09/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024]
Abstract
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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Affiliation(s)
- Ratko Pavlović
- Department of Biochemistry, Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia; (R.P.); (Z.V.)
| | - Robert Brodschneider
- Department of Biology, University of Graz, Universitätsplatz 2, 8010 Graz, Austria
| | - Walter Goessler
- Analytical Chemistry for Health and Environment, Institute of Chemistry, University of Graz, Universitätsplatz 1, 8010 Graz, Austria;
| | - Ljubiša Stanisavljević
- Faculty of Biology, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia;
| | - Zoran Vujčić
- Department of Biochemistry, Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia; (R.P.); (Z.V.)
| | - Nenad M. Zarić
- Analytical Chemistry for Health and Environment, Institute of Chemistry, University of Graz, Universitätsplatz 1, 8010 Graz, Austria;
- Faculty of Biology, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia;
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Zarić NM, Brodschneider R, Goessler W. Correction to: Sex-specific element accumulation in honey bees (Apis mellifera). Environ Sci Pollut Res Int 2024:10.1007/s11356-024-32957-z. [PMID: 38498137 DOI: 10.1007/s11356-024-32957-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Affiliation(s)
- Nenad M Zarić
- Faculty of Biology, University of Belgrade, Studentski Trg 16, 11000, Belgrade, Serbia.
- Analytical Chemistry for Health and Environment, Institute of Chemistry, University of Graz, Universitaetsplatz 1, 8010, Graz, Austria.
| | - Robert Brodschneider
- Institute of Biology, University of Graz, Universitaetsplatz 2, 8010, Graz, Austria
| | - Walter Goessler
- Analytical Chemistry for Health and Environment, Institute of Chemistry, University of Graz, Universitaetsplatz 1, 8010, Graz, Austria
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Zarić NM, Brodschneider R, Goessler W. Sex-specific element accumulation in honey bees (Apis mellifera). Environ Sci Pollut Res Int 2024:10.1007/s11356-024-32822-z. [PMID: 38472584 DOI: 10.1007/s11356-024-32822-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/04/2024] [Indexed: 03/14/2024]
Abstract
Honey bees are social insects that show division of labor and sexual dimorphism. Female honey bees differentiate in two different castes, queens or worker bees, while males are called drones. Worker bees have different tasks in the hive including collection of food, its processing, caring for brood, protecting the hive, or producing wax. The drones' only role is to mate with a virgin queen. Many studies have dealt with differences in physiology, behavior, and morphology of workers and drones. This is the first study that demonstrates differences in element accumulation and composition between workers and drones honey bees. Using inductively coupled plasma mass spectrometry, we found that worker honey bees have higher concentrations of most elements analyzed. Drones had higher concentrations of elements essential to bees, Na, P, S, Zn, Cu, and especially Se (2.2 × higher), which is known to be important for sperm quality and fertility in many animals. Until now higher Se content was not observed in male insects. These differences can be attributed to different environmental exposure, reproductive role of drones, but mostly to the food workers and drones consume. Worker bees feed on bee bread, which is rich in minerals. Drones are fed food pre-processed by worker bees.
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Affiliation(s)
- Nenad M Zarić
- Faculty of Biology, University of Belgrade, Studentski Trg 16, 11000, Belgrade, Serbia.
- Analytical Chemistry for Health and Environment, Institute of Chemistry, University of Graz, Universitaetsplatz 1, 8010, Graz, Austria.
| | - Robert Brodschneider
- Institute of Biology, University of Graz, Universitaetsplatz 2, 8010, Graz, Austria
| | - Walter Goessler
- Analytical Chemistry for Health and Environment, Institute of Chemistry, University of Graz, Universitaetsplatz 1, 8010, Graz, Austria
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Zarić NM, Braeuer S, Goessler W. Arsenic speciation analysis in honey bees for environmental monitoring. J Hazard Mater 2022; 432:128614. [PMID: 35338933 DOI: 10.1016/j.jhazmat.2022.128614] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 02/22/2022] [Accepted: 02/28/2022] [Indexed: 06/14/2023]
Abstract
Arsenic can be toxic to living organisms, depending not only on the concentration, but also its chemical form. The aim of this study was to determine arsenic concentrations and perform arsenic speciation analysis for the first time in honeybees, to evaluate their potential as biomonitors. Highest arsenic concentrations were determined in the vicinity of coal fired thermal power plants (367 µg kg-1), followed by an urban region (213 µg kg-1), with much lower concentrations in an industrial city (28.8 µg kg-1) and rural areas (41 µg kg-1). Until now, honey bees have never been used to study different arsenic species in the environment. For this reason, four extraction procedures were tested: water, hot water at 90 °C, 20% methanol, and 1% formic acid. Water at 90 °C was able to extract more than 90% of the total arsenic from honey bee samples. Inorganic arsenic (the sum of arsenite and arsenate) accounted for 95% of arsenic species in bees from three locations, except the industrial city, where it represented only 80% of arsenic species, while 15% was present as DMA.
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Affiliation(s)
- Nenad M Zarić
- University of Graz, Institute of Chemistry, Analytical Chemistry for Health and Environment, Universitaetsplatz 1, 8010 Graz, Austria; University of Belgrade, Faculty of Biology, Studentski trg 16, 11000 Belgrade, Serbia
| | - Simone Braeuer
- University of Graz, Institute of Chemistry, Analytical Chemistry for Health and Environment, Universitaetsplatz 1, 8010 Graz, Austria; Ghent University, Department of Chemistry, Atomic & Mass Spectrometry Research Unit, Krijgslaan 281-S12, 9000 Ghent, Belgium
| | - Walter Goessler
- University of Graz, Institute of Chemistry, Analytical Chemistry for Health and Environment, Universitaetsplatz 1, 8010 Graz, Austria
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Zarić NM, Brodschneider R, Goessler W. Honey bees as biomonitors - Variability in the elemental composition of individual bees. Environ Res 2022; 204:112237. [PMID: 34688641 DOI: 10.1016/j.envres.2021.112237] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/29/2021] [Accepted: 10/16/2021] [Indexed: 06/13/2023]
Abstract
Homogenized or pooled samples of honey bees are already used for monitoring of metal pollution in the environment for a couple of decades. This is the first study that analyzed the elemental composition of individual honey bees. One apiary with 21 hives was used to test in-hive and between-hive differences at the same location. Highest in-hive variability was observed for Al (14.1x), Li (10.3x), V (10.3x), As (8.9x) and Cd (7.9x). For the elements Cu, K, Mg, Na, P, S and Zn the smallest both in-hive (2.3x, 1.8x, 2.0x, 2.2x, 1.9x, 1.7x, 2.4x respectively) as well as between-hive variability (1.5x, 1.4x, 1.4x, 1.6x, 1.4x, 1.4x and 1.5x respectively) was observed. Nonetheless, between-hive variability was statistically significant for all the analyzed elements. We proved that these differences significantly influence comparison of element concentrations in bees from different locations. One hive from Mesić apiary had significantly lower concentrations of Al (hive 18: 18.6 mg kg-1) and U (hive 1: 0.0013 mg kg-1), while at the same time a different hive from the same apiary showed higher concentration of these elements (Al, hive 14: 125 mg kg-1; U, hive 13: 0.012 mg kg-1) compared to another location (thermal power plant, Al: 97 mg kg-1, U: 0.0044 mg kg-1). Therefore, when using honey bees as biomonitors, we recommend a larger number of hives to be sampled at each location to provide an adequate dataset for reliable interpretation of results. Comparing individual bee elemental concentrations, for Na, Mg, P, S, K, Fe, Cu, and Zn negative correlations were found between dry mass of a bee and concentrations of these elements. These negative correlations could be a consequence of higher honey or nectar content in some of the sampled bees. However, this should also be considered when using honey bees as bioindicators.
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Affiliation(s)
- Nenad M Zarić
- University of Belgrade - Faculty of Biology, Studentski Trg 16, 11000, Belgrade, Serbia; University of Graz, Institute of Chemistry, Analytical Chemistry for Health and Environment, Universitaetsplatz 1, 8010, Graz, Austria.
| | - Robert Brodschneider
- University of Graz, Institute of Biology, Universitaetsplatz 2, Graz, 8010, Austria
| | - Walter Goessler
- University of Graz, Institute of Chemistry, Analytical Chemistry for Health and Environment, Universitaetsplatz 1, 8010, Graz, Austria
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Zarić NM, Deljanin I, Ilijević K, Stanisavljević L, Ristić M, Gržetić I. Honeybees as sentinels of lead pollution: Spatio-temporal variations and source appointment using stable isotopes and Kohonen self-organizing maps. Sci Total Environ 2018; 642:56-62. [PMID: 29894882 DOI: 10.1016/j.scitotenv.2018.06.040] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/02/2018] [Accepted: 06/04/2018] [Indexed: 05/13/2023]
Abstract
In this study, honeybees were used to determine spatio-temporal variations and origin sources of Pb. Lead concentrations and isotopic composition were used in combination with selected statistical methods. The sampling was carried out at five different locations in Serbia: urban region (BG), petrochemical industry (PA), suburban region (PV), rural region (MS) and thermal power plant region (TPP) during 2014. At PA and PV locations, samples were taken during multiple years. This is the first use of Kohonen self-organizing map (SOM) in combination with honeybees as bioindicators to determine spatio-temporal variations and origin of Pb pollution. It was observed that during the years Pb concentrations were in decline. Anthropogenic sources are most dominant in BG and TPP, in PA there are mixed sources of natural and anthropogenic origin and in PV Pb is of natural origin. It can be concluded that honeybees in combination with SOM can be used to differentiate between slight changes in spatio-temporal variations of Pb, as well as for source appointment.
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Affiliation(s)
- Nenad M Zarić
- Innovation Center of the Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia.
| | - Isidora Deljanin
- Innovation Center of the Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia
| | - Konstantin Ilijević
- University of Belgrade, Faculty of Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Ljubiša Stanisavljević
- University of Belgrade, Faculty of Biology, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Mirjana Ristić
- University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, 11120 Belgrade, Serbia
| | - Ivan Gržetić
- University of Belgrade, Faculty of Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
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Zarić NM, Ilijević K, Stanisavljević L, Gržetić I. Use of honeybees (Apis mellifera L.) as bioindicators for assessment and source appointment of metal pollution. Environ Sci Pollut Res Int 2017; 24:25828-25838. [PMID: 28936680 DOI: 10.1007/s11356-017-0196-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 09/12/2017] [Indexed: 05/13/2023]
Abstract
The ability of honeybees to collect particulate matter (PM) on their bodies makes them outstanding bioindicators. In this study, two cities, Pančevo (PA) and Vršac (VS), South Banat district, Vojvodina, Serbia, were covered with two sampling sites each. The aims of this study were to determine concentrations of Al, Ba, Cd, Co, Cr, Cu, Fe, Mn, Na, Ni, Sr, and Zn in the bodies of honeybees during July and September of 2013, 2014, and 2015 and to analyze their spatial and temporal variations and sources of analyzed elements, as well as to assess pollution levels in the two cities. Significant temporal differences were found for Al, Ba, Cd, Co, Cr, Cu, Fe, Mn, Na, Ni, and Zn. Trend of reduction in metal concentrations in bodies of honeybees during the years was observed. Statistically significant spatial variations were observed for Al, Ba, and Sr, with higher concentrations in VS. PCA and CA analyses were used for the first time to assess sources of metals found in honeybees. These analyses showed two sources of metals. Co, Cd, Na, Fe, Mn, Zn, and partly Cu were contributed to anthropogenic sources, while Ca, Al, Mg, Cr, Ba, Sr, and Ni were contributed to natural sources.
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Affiliation(s)
- Nenad M Zarić
- Innovation center of Faculty of Technology & Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, 11120, Serbia.
| | - Konstantin Ilijević
- University of Belgrade, Faculty of Chemistry, Studentski trg 16, Belgrade, 11000, Serbia
| | | | - Ivan Gržetić
- University of Belgrade, Faculty of Chemistry, Studentski trg 16, Belgrade, 11000, Serbia
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