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Phaboutdy E, Ward M. Investigation of landscape risk factors for the recent spread of varroa mite ( Varroa destructor) in European honeybee ( Apis mellifera) colonies in New South Wales, Australia. GEOSPATIAL HEALTH 2024; 19. [PMID: 38962991 DOI: 10.4081/gh.2024.1282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 06/08/2024] [Indexed: 07/05/2024]
Abstract
In June 2022, an exotic pest of the European honeybee (Apis mellifera), the varroa mite (Varroa destructor), was detected in surveillance hives at the Port of Newcastle, New South Wales (NSW). Previously, Australia remained the only continent free of the varroa mite. In September 2023, the National Management Group decided to shift the focus of the response from eradication to management. It is estimated that the establishment of varroa mite in Australia could lead to more than $70 million in losses each year due to greatly reduced pollination services. Currently, there are no reported studies on the epidemiology of varroa mite in NSW because it is such a recent outbreak, and there is little knowledge of the factors associated with the presence of V. destructor in the Australian context. We sourced publicly available varroa mite outbreak reports from June 22 to December 19, 2022, to determine if urbanization, land use, and distance from the incursion site are associated with the detection of varroa mite infestation in European honeybee colonies in NSW. The outcome investigated was epidemic day, relative to the first detected premises (June 22, 2022). The study population was comprised of 107 premises, which were declared varroa-infested. The median epidemic day was day 37 (July 29, 2022), and a bimodal distribution was observed from the epidemic curve, which was reflective of an intermittent source pattern of spread. We found that premises were detected to be infected with varroa mite earlier in urban areas [median epidemic day 25 (July 17, 2022)] compared to rural areas [median epidemic day 37.5 (July 29, 2022)]. Infected premises located in areas without cropping, forests, and irrigation were detected earlier in the outbreak [median epidemic days 23.5 (July 15, 2022), 30 (July 22, 2022), and 15 (July 7, 2022), respectively] compared to areas with cropping, forests, and irrigation [median epidemic days 50 (August 11, 2022), 43 (August 4, 2022), and 47 (August 8, 2022), respectively]. We also found that distance from the incursion site was not significantly correlated with epidemic day. Urbanization and land use are potential factors for the recent spread of varroa mite in European honeybee colonies in NSW. This knowledge is essential to managing the current varroa mite outbreak and preventing future mass varroa mite spread events.
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Affiliation(s)
| | - Michael Ward
- Sydney School of Veterinary Science, University of Sydney.
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Gajdosechova Z, Palmer CH, Sukhaket W, Kumkrong P, Busarakam K, Khetnon P, Deawtong S, Mester Z. Methylation and bio-accessibility assessment of arsenate in crickets (Gryllusbimaculatus). CHEMOSPHERE 2024; 350:141032. [PMID: 38151063 DOI: 10.1016/j.chemosphere.2023.141032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 12/29/2023]
Abstract
The ability of an organism to biomethylate toxic inorganic arsenic (As) determines both, the amount of As available for uptake higher up the food chain and the toxicity of bioavailable As. An exposure study was conducted to determine ability of farmed crickets to metabolize dietary arsenate. Crickets were exposed to 1.3 ± 0.1, 5.1 ± 2.5 and 36.3 ± 5.6 mg kg-1 dietary arsenate and quantitation of total As showed retention of 0.416 ± 0.003, 1.3 ± 0.04 and 2.46 ± 0.09 mg kg-1, respectively. Speciation analysis revealed that crickets have well developed ability to biomethylate dietary arsenate and the most abundant methylated As compound was DMA followed by MMA, TMAO and an unknown compound. Arsenobetaine, although present in all feed, control and As-rich, was measured only in the control crickets. To assess the bio-accessibility of the As species, crickets were subjected to simulated gastrointestinal digestion. The results showed that majority of As was extracted in saliva, followed by gastric and intestinal juice, which mass fraction was equal to residue. Over 78% of total As was shown to be bio-accessible with methylated species reaching 100% and iAs over 79% bio-accessibility. Additionally, arsenite and arsenate have shown different distributions between sequential leachate solutions. Bioaccumulation of As was observed in the studied crickets although it does not seem to occur to the same extent at higher exposure levels.
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Affiliation(s)
- Zuzana Gajdosechova
- National Research Council Canada, 1200 Montreal Road, K1A 0R6, Ottawa, ON, Canada.
| | - Calvin H Palmer
- National Research Council Canada, 1200 Montreal Road, K1A 0R6, Ottawa, ON, Canada
| | - Wissarut Sukhaket
- Thailand Institute of Scientific and Technological Research, 35 Mu 3 Tambon Khlong Ha, Amphoe Khlong Luang, Pathum Thani, 12120, Thailand
| | - Paramee Kumkrong
- Thailand Institute of Scientific and Technological Research, 35 Mu 3 Tambon Khlong Ha, Amphoe Khlong Luang, Pathum Thani, 12120, Thailand
| | - Kanungnid Busarakam
- Thailand Institute of Scientific and Technological Research, 35 Mu 3 Tambon Khlong Ha, Amphoe Khlong Luang, Pathum Thani, 12120, Thailand
| | - Phawini Khetnon
- Thailand Institute of Scientific and Technological Research, 35 Mu 3 Tambon Khlong Ha, Amphoe Khlong Luang, Pathum Thani, 12120, Thailand
| | - Suladda Deawtong
- Thailand Institute of Scientific and Technological Research, 35 Mu 3 Tambon Khlong Ha, Amphoe Khlong Luang, Pathum Thani, 12120, Thailand
| | - Zoltan Mester
- National Research Council Canada, 1200 Montreal Road, K1A 0R6, Ottawa, ON, Canada
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Schmarsow R, Moliné MDLP, Damiani N, Domínguez E, Medici SK, Churio MS, Gende LB. Toxicity and sublethal effects of lead (Pb) intake on honey bees (Apis mellifera). CHEMOSPHERE 2023; 344:140345. [PMID: 37793549 DOI: 10.1016/j.chemosphere.2023.140345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/25/2023] [Accepted: 09/30/2023] [Indexed: 10/06/2023]
Abstract
Heavy metal pollution is becoming a worldwide problem affecting pollinators. The massive use of lead (Pb), the most harmful metal for the biosphere, in industries has increased the risk for honey bees. Pb exerts toxicity on living organisms inducing mainly oxidative stress. We assessed the toxicity and sublethal effects of Pb ingestion on protein content, catalase (CAT) activity, fat content and fatty acid (FA) profile of honey bee workers (Apis mellifera L.) under different nutritional conditions during chronic exposure tests. The LD50 was 15.13 ± 6.11 μg Pb2+/bee, similar to other reports. A single oral sublethal dose of 15 μg of Pb2+ affected the survival of bees fed with sugary food for ten days after Pb ingestion while supplementing the diet with bee bread improved Pb tolerance. The highest protein content was found in bees fed with the sugar paste and bee bread diet without Pb. CAT activity tended to decrease in bees of Pb groups independently of diet. Fat content was not affected by the diet type received by bees or Pb ingestion, but the FAs profile varied according to the nutritional quality of the diet. The results highlight that a single sublethal dose of Pb negatively affected the body proteins of bees despite the nutritional condition but did not disturb the FAs profile of workers. Nutrition plays an important role in preventing Pb-induced toxicity in honey bees.
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Affiliation(s)
- Ruth Schmarsow
- Centro de Investigación en Abejas Sociales (CIAS), Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Funes 3350, 7600, Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CCT Mar del Plata, Moreno 3527 Piso 3, 7600, Mar del Plata, Argentina
| | - María de la Paz Moliné
- Centro de Investigación en Abejas Sociales (CIAS), Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Funes 3350, 7600, Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CCT Mar del Plata, Moreno 3527 Piso 3, 7600, Mar del Plata, Argentina; Instituto de Investigaciones en Producción, Sanidad y Ambiente (IIPROSAM). CONICET-UNMDP. Centro de Asociación Simple Comisión de Investigaciones Científicas de la provincia de Buenos Aires (CIC PBA), Funes 3350, 7600, Mar del Plata, Argentina
| | - Natalia Damiani
- Centro de Investigación en Abejas Sociales (CIAS), Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Funes 3350, 7600, Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CCT Mar del Plata, Moreno 3527 Piso 3, 7600, Mar del Plata, Argentina; Instituto de Investigaciones en Producción, Sanidad y Ambiente (IIPROSAM). CONICET-UNMDP. Centro de Asociación Simple Comisión de Investigaciones Científicas de la provincia de Buenos Aires (CIC PBA), Funes 3350, 7600, Mar del Plata, Argentina.
| | - Enzo Domínguez
- Centro de Investigación en Abejas Sociales (CIAS), Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Funes 3350, 7600, Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CCT Mar del Plata, Moreno 3527 Piso 3, 7600, Mar del Plata, Argentina; Instituto de Investigaciones en Producción, Sanidad y Ambiente (IIPROSAM). CONICET-UNMDP. Centro de Asociación Simple Comisión de Investigaciones Científicas de la provincia de Buenos Aires (CIC PBA), Funes 3350, 7600, Mar del Plata, Argentina
| | - Sandra Karina Medici
- Centro de Investigación en Abejas Sociales (CIAS), Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Funes 3350, 7600, Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CCT Mar del Plata, Moreno 3527 Piso 3, 7600, Mar del Plata, Argentina; Instituto de Investigaciones en Producción, Sanidad y Ambiente (IIPROSAM). CONICET-UNMDP. Centro de Asociación Simple Comisión de Investigaciones Científicas de la provincia de Buenos Aires (CIC PBA), Funes 3350, 7600, Mar del Plata, Argentina
| | - María Sandra Churio
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CCT Mar del Plata, Moreno 3527 Piso 3, 7600, Mar del Plata, Argentina; Instituto de Investigaciones Físicas de Mar del Plata (IFIMAR). CONICET-UNMDP, Funes 3350, 7600, Mar del Plata, Argentina
| | - Liesel Brenda Gende
- Centro de Investigación en Abejas Sociales (CIAS), Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad Nacional de Mar del Plata (UNMDP), Funes 3350, 7600, Mar del Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CCT Mar del Plata, Moreno 3527 Piso 3, 7600, Mar del Plata, Argentina; Instituto de Investigaciones en Producción, Sanidad y Ambiente (IIPROSAM). CONICET-UNMDP. Centro de Asociación Simple Comisión de Investigaciones Científicas de la provincia de Buenos Aires (CIC PBA), Funes 3350, 7600, Mar del Plata, Argentina
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Bora FD, Babeș AC, Călugăr A, Jitea MI, Hoble A, Filimon RV, Bunea A, Nicolescu A, Bunea CI. Unravelling Heavy Metal Dynamics in Soil and Honey: A Case Study from Maramureș Region, Romania. Foods 2023; 12:3577. [PMID: 37835231 PMCID: PMC10573013 DOI: 10.3390/foods12193577] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/14/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
The study examined soil and honey samples from the Maramureș region, assessing potentially toxic elements and their concentrations. The highest concentrations were found for (Cu), (Zn), (Pb), (Cr), (Ni), (Cd), (Co), and (As), while (Hg) remained below the detection limit. Samples near anthropogenic sources displayed elevated metal levels, with the Aurul settling pond and Herja mine being major contamination sources. Copper concentrations exceeded the legal limits in areas near these sources. Zinc concentrations were highest near mining areas, and Pb and Cd levels surpassed the legal limits near beehives producing acacia honey. Nickel and Co levels were generally within limits but elevated near the Herja mine. The study highlighted the role of anthropogenic activities in heavy metal pollution. In the second part, honey samples were analyzed for heavy metal concentrations, with variations across types and locations. Positive correlations were identified between certain elements in honey, influenced by factors like location and pollution sources. The research emphasized the need for pollution control measures to ensure honey safety. The bioaccumulation factor analysis indicated a sequential metal transfer from soil to honey. The study's comprehensive approach sheds light on toxic element contamination in honey, addressing pollution sources and pathways.
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Affiliation(s)
- Florin Dumitru Bora
- Viticulture and Oenology Department, Advanced Horticultural Research Institute of Transylvania, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Mănăștur Street, 400372 Cluj-Napoca, Romania; (F.D.B.); (A.C.B.); (A.C.)
- Laboratory of Chromatography, Advanced Horticultural Research Institute of Transylvania, Faculty of Horticulture and Business for Rural Development, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania;
| | - Anca Cristina Babeș
- Viticulture and Oenology Department, Advanced Horticultural Research Institute of Transylvania, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Mănăștur Street, 400372 Cluj-Napoca, Romania; (F.D.B.); (A.C.B.); (A.C.)
| | - Anamaria Călugăr
- Viticulture and Oenology Department, Advanced Horticultural Research Institute of Transylvania, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Mănăștur Street, 400372 Cluj-Napoca, Romania; (F.D.B.); (A.C.B.); (A.C.)
| | - Mugurel Ioan Jitea
- Department of Economic Sciences, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Mănăștur Street, 400372 Cluj-Napoca, Romania;
| | - Adela Hoble
- Research Laboratory Regarding Exploitation of Land Improvement, Land Reclamation Systems and Irrigation of Horticultural Crops, Advanced Horticultural Research Institute of Transylvania, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Mănăștur Street, 400372 Cluj-Napoca, Romania;
| | - Răzvan Vasile Filimon
- Research Development Station for Viticulture and Winemaking Iași, 48 Mihail Sadoveanu Alley, 700490 Iasi, Romania;
| | - Andrea Bunea
- Biochemistry Department, Faculty of Animal Science and Biotechnology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Mănăștur Street, 400372 Cluj-Napoca, Romania;
| | - Alexandru Nicolescu
- Laboratory of Chromatography, Advanced Horticultural Research Institute of Transylvania, Faculty of Horticulture and Business for Rural Development, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania;
- Department of Pharmaceutical Botany, Faculty of Pharmacy “Iuliu Hațieganu”, University of Medicine and Pharmacy, 23 Gheorghe Marinescu, 400337 Cluj-Napoca, Romania
| | - Claudiu Ioan Bunea
- Viticulture and Oenology Department, Advanced Horticultural Research Institute of Transylvania, Faculty of Horticulture and Business in Rural Development, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, 3-5 Mănăștur Street, 400372 Cluj-Napoca, Romania; (F.D.B.); (A.C.B.); (A.C.)
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Paleolog J, Wilde J, Gancarz M, Wiącek D, Nawrocka A, Strachecka A. Imidacloprid Pesticide Causes Unexpectedly Severe Bioelement Deficiencies and Imbalance in Honey Bees Even at Sublethal Doses. Animals (Basel) 2023; 13:ani13040615. [PMID: 36830400 PMCID: PMC9951668 DOI: 10.3390/ani13040615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/04/2023] [Accepted: 02/05/2023] [Indexed: 02/12/2023] Open
Abstract
Pesticides impair honeybee health in many ways. Imidacloprid (IMD) is a pesticide used worldwide. No information exists on how IMD impact the bees' body bioelement balance, which is essential for bee health. We hypothesized that IMD disturbs this balance and fed the bees (in field conditions) with diets containing 0 ppb (control), 5 ppb (sublethal considered field-relevant), and 200 ppb (adverse) doses of IMD. IMD severely reduced the levels of K, Na, Ca, and Mg (electrolytic) and of Fe, Mo, Mn, Co, Cu, Ni, Se, and Zn, while those of Sn, V, and Cr (enzymatic) were increased. Levels of P, S, Ti, Al, Li, and Sr were also decreased, while only the B content (physiologically essential) was increased. The increase in Tl, Pb, and As levels (toxic) was alarming. Generally, IMD, even in sublethal doses, unexpectedly led to severe bioelement malnutrition in 69% of bioelements and to a stoichiometric mismatch in the remaining ones. This points to the IMD-dependent bioelement disturbance as another, yet unaccounted for, essential metabolic element which can interfere with apian health. Consequently, there is a need for developing methods of bioelement supplementation of the honey bee diet for better preventing bee colony decline and protecting apian health status when faced with pesticides.
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Affiliation(s)
- Jerzy Paleolog
- Department of Invertebrate Ecophysiology and Experimental Biology, University of Life Sciences in Lublin, Doświadczalna 50a, 20-280 Lublin, Poland
- Correspondence: ; Tel.: +48-602725175
| | - Jerzy Wilde
- Department of Poultry Science and Apiculture, Faculty of Animal Bioengineering, Warmia and Mazury University in Olsztyn, Słoneczna 48, 10-957 Olsztyn, Poland
| | - Marek Gancarz
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
- Faculty of Production and Power Engineering, University of Agriculture in Kraków, Balicka 116B, 30-149 Kraków, Poland
| | - Dariusz Wiącek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
| | - Agnieszka Nawrocka
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
| | - Aneta Strachecka
- Department of Invertebrate Ecophysiology and Experimental Biology, University of Life Sciences in Lublin, Doświadczalna 50a, 20-280 Lublin, Poland
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Yazlovytska LS, Karavan VV, Domaciuk M, Panchuk II, Borsuk G, Volkov RA. Increased survival of honey bees consuming pollen and beebread is associated with elevated biomarkers of oxidative stress. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2023.1098350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
IntroductionSignificant losses of honey bee colonies have been observed worldwide in recent decades. Inadequate nutrition is considered to be one of the factors that can reduce honey bee resistance to abiotic and biotic environmental stresses. Accordingly, we assessed the impact of food composition on worker bee survival.MethodsBees in cages were fed six different diets, and then their survival, levels of thiobarbituric acid reactive substances and protein carbonyl groups, catalase and lysozyme activities were evaluated.Results and DiscussionAfter 17 days of feeding, the lowest mortality was observed in the group of bees that received sucrose solution with the addition of willow pollen or artificial rapeseed beebread or artificial willow beebread (diets 4–6). The highest mortality was found in bees that consumed only sucrose solution (diet 1) or the sucrose solution supplemented with a mixture of amino acids (diet 2), which can be explained by the lack of vitamins and microelements in these diets. In the group of bees that received the sucrose solution with rapeseed pollen (diet 3), mortality was intermediate. To check whether the decrease in insect survival could be related to oxidative damage, we evaluated biomarkers of oxidative stress. Consumption of pollen (diets 3 and 5) and artificial beebread (diets 4 and 6) enhances protein carbonylation in worker bees. Feeding bees artificial beebread also resulted in increase in lipid peroxidation and catalase activity, which is probably due to the presence of hydrogen peroxide in the honey contained in beebread. Remarkably, the increase in biomarkers of oxidative stress was not accompanied by adverse but positive effects on insect survival. A lack of amino acids and proteins in the diet 1 did not cause oxidative stress, but led to an increase in lysozyme activity in hemolymph, a biomarker of immune system status. In conclusion, we believe that the increase in oxidative stress biomarkers we found do not indicate oxidative damage, but rather reflect the changes in redox balance due to consumption of certain dietary options.
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Kunat-Budzyńska M, Budzyński M, Schulz M, Strachecka A, Gancarz M, Rusinek R, Ptaszyńska AA. Natural Substances, Probiotics, and Synthetic Agents in the Treatment and Prevention of Honeybee Nosemosis. Pathogens 2022; 11:pathogens11111269. [PMID: 36365020 PMCID: PMC9697638 DOI: 10.3390/pathogens11111269] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022] Open
Abstract
Honeybees are important pollinators, but they are continuously exposed to a variety of fungal and bacterial diseases. One of the various diseases affecting honeybees is nosemosis caused by microsporidia from the Nosema genus. Honeybees are mainly infected through consumption of infected food or faeces containing Nosema spp. spores. Nosemosis causes damage to the middle intestine epithelium, which leads to food absorption disorders and honeybee malnutrition. Fumagillin, i.e., the antibiotic used to treat nosemosis, was withdrawn in 2016 from EU countries. Therefore, researchers have been looking for compounds of both natural and synthetic origin to fight nosemosis. Such compounds should not have a negative impact on bees but is expected to inhibit the disease. Natural compounds tested against nosemosis include, e.g., essential oils (EOs), plant extracts, propolis, and bacterial metabolites, while synthetic substances tested as anti-nosemosis agents are represented by porphyrins, vitamins, antibiotics, phenolic, ascorbic acids, and others. This publication presents an 18-year overview of various studies of a number of natural and synthetic compounds used in the treatment and prevention of nosemosis cited in PubMed, GoogleScholar, and CrossRef.
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Affiliation(s)
- Magdalena Kunat-Budzyńska
- Department of Immunobiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Michał Budzyński
- Department of Immunobiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Michał Schulz
- Department of Invertebrate Ecophysiology and Experimental Biology, University of Life Sciences in Lublin, Doświadczalna 50a, 20-280 Lublin, Poland
| | - Aneta Strachecka
- Department of Invertebrate Ecophysiology and Experimental Biology, University of Life Sciences in Lublin, Doświadczalna 50a, 20-280 Lublin, Poland
| | - Marek Gancarz
- Faculty of Production and Power Engineering, University of Agriculture in Krakow, Balicka 116B, 30-149 Krakow, Poland
- Institute of Agrophysics Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
| | - Robert Rusinek
- Institute of Agrophysics Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland
| | - Aneta A. Ptaszyńska
- Department of Immunobiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
- Correspondence:
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Zarić NM, Braeuer S, Goessler W. Arsenic speciation analysis in honey bees for environmental monitoring. JOURNAL OF HAZARDOUS MATERIALS 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] [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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Jabal-Uriel C, Albarracín VN, Calatayud J, Higes M, Martín-Hernández R. Age and Season Effect the Timing of Adult Worker Honeybee Infection by Nosema ceranae. Front Cell Infect Microbiol 2022; 11:823050. [PMID: 35155274 PMCID: PMC8836290 DOI: 10.3389/fcimb.2021.823050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 12/29/2021] [Indexed: 11/13/2022] Open
Abstract
The microsporidia Nosema ceranae is an intracellular parasite of honeybees’ midgut, highly prevalent in Apis mellifera colonies for which important epidemiological information is still unknown. Our research aimed at understanding how age and season influence the onset of infection in honeybees and its development in the colony environment. Adult worker honeybees of less than 24h were marked and introduced into 6 different colonies in assays carried out in spring and autumn. Bees of known age were individually analyzed by PCR for Nosema spp. infection and those resulting positive were studied to determine the load by Real Time-qPCR. The age of onset and development of infection in each season was studied on a total of 2401 bees and the probability and the load of infection for both periods was established with two statistical models. First N. ceranae infected honeybees were detected at day 5 post emergence (p.e.; spring) and at day 4 p.e. (autumn) and in-hive prevalence increased from that point onwards, reaching the highest mean infection on day 18 p.e. (spring). The probability of infection increased significantly with age in both periods although the age variable better correlated in spring. The N. ceranae load tended to increase with age in both periods, although the age-load relationship was clearer in spring than in autumn. Therefore, age and season play an important role on the probability and the development of N. ceranae infection in honeybees, bringing important information to understand how it spreads within a colony.
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Affiliation(s)
- Clara Jabal-Uriel
- Laboratorio de Patología Apícola, Centro de Investigación Apícola y Agroambiental (CIAPA), Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal (IRIAF), Consejería de Agricultura de la Junta de Comunidades de Castilla-La Mancha, Marchamalo, Spain
| | - Verónica N. Albarracín
- Facultad de Agronomía y Zootecnia de la Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Joaquín Calatayud
- Departamento de Biología, Geología, Física y Química inorgánica, Universidad Rey Juan Carlos, Madrid, Spain
| | - Mariano Higes
- Laboratorio de Patología Apícola, Centro de Investigación Apícola y Agroambiental (CIAPA), Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal (IRIAF), Consejería de Agricultura de la Junta de Comunidades de Castilla-La Mancha, Marchamalo, Spain
| | - Raquel Martín-Hernández
- Laboratorio de Patología Apícola, Centro de Investigación Apícola y Agroambiental (CIAPA), Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal (IRIAF), Consejería de Agricultura de la Junta de Comunidades de Castilla-La Mancha, Marchamalo, Spain
- Instituto de Recursos Humanos para la Ciencia y la Tecnología (INCRECYT – ESF/EC-FSE), Fundación Parque Científico y Tecnológico de Castilla – La Mancha, Albacete, Spain
- *Correspondence: Raquel Martín-Hernández,
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10
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Toutiaee S, Mojgani N, Harzandi N, Moharrami M, Mokhberosafa L. In vitro probiotic and safety attributes of Bacillus spp. isolated from beebread, honey samples and digestive tract of honeybees Apis mellifera. Lett Appl Microbiol 2022; 74:656-665. [PMID: 35000212 DOI: 10.1111/lam.13650] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/30/2021] [Accepted: 12/31/2021] [Indexed: 01/03/2023]
Abstract
Bacillus species isolated from honeybee Apis mellifera gut, honey and bee bread samples were characterized for their in vitro probiotic and safety attributes. Alpha and γ haemolytic cultures were tested for their antibiotic resistance, antibacterial spectrum, acid and bile tolerance, adhesion ability (auto-aggregation, co-aggregation and hydrophobicity) and phenol tolerance. Safety criteria included evaluation of virulence genes and cytotoxicity percentages. Bacillus isolates inhibited both Gram-positive and Gram-negative pathogens including Staphylococcus aureus, Pseudomonas aeruginosa, Enterococcus faecalis and Streptococcus mutans, while none could inhibit Listeria monocytogenes. Among the isolates, Bacillus subtilis ZH05, ZB03 and ZG025 showed resistance to most of the tested antibiotics and were considered unsafe. B. subtilis (4) and B. licheniformis (1) tolerated acidic pH and bile conditions, never the less were more tolerant in simulated intestinal conditions vis-a-vis gastric conditions. In 0·5% phenol concentrations, B. licheniformis ZH02 showed highest growth, while, B. subtilis ZG029 demonstrated highest auto-aggregation (65 ± 4·6) and hydrophobicity (23 ± 3·6) percentages (P < 0·05). The isolates lacked virulence genes (hblA, hblC, hblD, nhe, cytK and ces), and their cytotoxic percentage on Caco-2 cell lines was ˂15%. Overall, honeybees appear to be a good source of Bacillus species exhibiting typical in vitro probiotic properties, which could be of commercial interest.
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Affiliation(s)
- S Toutiaee
- Department of Microbiology, Islamic Azad University, Karaj Branch, Karaj, Iran
| | - N Mojgani
- Biotechnology Department, Razi Vaccine and Serum Research Institute, Agriculture Research, Education and Extension Organization, Tehran, Iran
| | - N Harzandi
- Department of Microbiology, Islamic Azad University, Karaj Branch, Karaj, Iran
| | - M Moharrami
- Honeybee, Silkworm and Wild Life Research Department, Razi Vaccine and Serum Research Institute, Agriculture Research, Education and Extension Organization, Tehran, Iran
| | - L Mokhberosafa
- Biotechnology Department, Razi Vaccine and Serum Research Institute, Agriculture Research, Education and Extension Organization, Tehran, Iran
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11
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Liu P, Zhu Y, Ye L, Shi T, Li L, Cao H, Yu L. Overwintering honeybees maintained dynamic and stable intestinal bacteria. Sci Rep 2021; 11:22233. [PMID: 34782655 PMCID: PMC8593070 DOI: 10.1038/s41598-021-01204-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 10/25/2021] [Indexed: 12/23/2022] Open
Abstract
Honeybee is an important pollinator for maintaining ecological balance. However, scientist found the bizarre mass death of bees in winter. Meanwhile, some reported that the differences composed of intestinal bacteria between healthy honeybees and CCD honeybees. It is essential that explored dynamic changes to the intestinal bacteria in overwintering honeybees. We collected bee samples before overwintering, during prophase of overwintering, metaphase of overwintering, anaphase of overwintering, telophase of overwintering, and after overwintering. By using high-throughput sequencing targeting the V3-V4 regions of the 16S rDNA, the abundance of the intestinal bacteria were analyzed in overwintering honeybees. A total of 1,373,886 high-quality sequences were acquired and Proteobacteria (85.69%), Firmicutes (10.40%), Actinobacteria (3.66%), and Cyanobacteria (1.87%) were identified as major components of the intestinal bacteria. All core honeybee intestinal bacteria genera, such as Gilliamella, Bartonella, Snodgrassella, Lactobacillus, Frischella, Commensalibacter, and Bifidobacterium were detected. The abundance of Actinobacteria, Bartonella, and Bifidobacterium increased initially and then decreased in winter honeybees. There were no significant differences in the richness and evenness of the microbiota in overwintering honeybees; however, there was a statistically significant difference in the beta diversity of the intestinal bacteria after overwintering compared with that in other groups. Our results suggested that honeybees maintained their intestinal ecosystem balance, and increased the abundance of gut probiotics in response to environmental and nutrition pressures in winter.
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Affiliation(s)
- Peng Liu
- College of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province, China
| | - Yujie Zhu
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui Province, China
| | - Liang Ye
- College of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province, China
| | - Tengfei Shi
- College of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province, China
| | - Lai Li
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui Province, China
| | - Haiqun Cao
- College of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province, China
| | - Linsheng Yu
- College of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province, China.
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12
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Ptaszyńska AA, Latoch P, Hurd PJ, Polaszek A, Michalska-Madej J, Grochowalski Ł, Strapagiel D, Gnat S, Załuski D, Gancarz M, Rusinek R, Krutmuang P, Martín Hernández R, Higes Pascual M, Starosta AL. Amplicon Sequencing of Variable 16S rRNA from Bacteria and ITS2 Regions from Fungi and Plants, Reveals Honeybee Susceptibility to Diseases Results from Their Forage Availability under Anthropogenic Landscapes. Pathogens 2021; 10:381. [PMID: 33810160 PMCID: PMC8004708 DOI: 10.3390/pathogens10030381] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 12/12/2022] Open
Abstract
European Apis mellifera and Asian Apis cerana honeybees are essential crop pollinators. Microbiome studies can provide complex information on health and fitness of these insects in relation to environmental changes, and plant availability. Amplicon sequencing of variable regions of the 16S rRNA from bacteria and the internally transcribed spacer (ITS) regions from fungi and plants allow identification of the metabiome. These methods provide a tool for monitoring otherwise uncultured microbes isolated from the gut of the honeybees. They also help monitor the composition of the gut fungi and, intriguingly, pollen collected by the insect. Here, we present data from amplicon sequencing of the 16S rRNA from bacteria and ITS2 regions from fungi and plants derived from honeybees collected at various time points from anthropogenic landscapes such as urban areas in Poland, UK, Spain, Greece, and Thailand. We have analysed microbial content of honeybee intestine as well as fungi and pollens. Furthermore, isolated DNA was used as the template for screening pathogens: Nosema apis, N. ceranae, N. bombi, tracheal mite (Acarapis woodi), any organism in the parasitic order Trypanosomatida, including Crithidia spp. (i.e., Crithidia mellificae), neogregarines including Mattesia and Apicystis spp. (i.e., Apicistis bombi). We conclude that differences between samples were mainly influenced by the bacteria, plant pollen and fungi, respectively. Moreover, honeybees feeding on a sugar based diet were more prone to fungal pathogens (Nosema ceranae) and neogregarines. In most samples Nosema sp. and neogregarines parasitized the host bee at the same time. A higher load of fungi, and bacteria groups such as Firmicutes (Lactobacillus); γ-proteobacteria, Neisseriaceae, and other unidentified bacteria was observed for Nosema ceranae and neogregarine infected honeybees. Healthy honeybees had a higher load of plant pollen, and bacteria groups such as: Orbales, Gilliamella, Snodgrassella, and Enterobacteriaceae. Finally, the period when honeybees switch to the winter generation (longer-lived forager honeybees) is the most sensitive to diet perturbations, and hence pathogen attack, for the whole beekeeping season. It is possible that evolutionary adaptation of bees fails to benefit them in the modern anthropomorphised environment.
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Affiliation(s)
- Aneta A. Ptaszyńska
- Department of Immunobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19 Str., 20-033 Lublin, Poland
- School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK;
| | - Przemyslaw Latoch
- Polish-Japanese Academy of Information Technology, Koszykowa 86 Str., 02-008 Warsaw, Poland;
- Laboratory of Gene Expression, ECOTECH-Complex, Maria Curie-Sklodowska University, ul. Gleboka 39, 20-612 Lublin, Poland;
| | - Paul J. Hurd
- School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK;
| | - Andrew Polaszek
- Department of Life Sciences, Insects Division, Natural History Museum, London SW7 5BD, UK;
| | - Joanna Michalska-Madej
- Biobank Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pilarskiego 14/16, 90-231 Łódź, Poland; (J.M.-M.); (Ł.G.); (D.S.)
| | - Łukasz Grochowalski
- Biobank Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pilarskiego 14/16, 90-231 Łódź, Poland; (J.M.-M.); (Ł.G.); (D.S.)
| | - Dominik Strapagiel
- Biobank Lab, Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Łódź, Pilarskiego 14/16, 90-231 Łódź, Poland; (J.M.-M.); (Ł.G.); (D.S.)
| | - Sebastian Gnat
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Institute of Preclinical Veterinary Sciences, University of Life Sciences, Akademicka 12, 20-033 Lublin, Poland;
| | - Daniel Załuski
- Department of Pharmaceutical Botany and Pharmacognosy, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus University, Marie Curie-Skłodowska 9, 85-094 Bydgoszcz, Poland;
| | - Marek Gancarz
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4 Str., 20-290 Lublin, Poland; (M.G.); (R.R.)
- Faculty of Production and Power Engineering, University of Agriculture in Kraków, Balicka 116B, 30-149 Kraków, Poland
| | - Robert Rusinek
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4 Str., 20-290 Lublin, Poland; (M.G.); (R.R.)
| | - Patcharin Krutmuang
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand;
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Raquel Martín Hernández
- Centro de Investigación Apícola y Agroambiental (CIAPA), Laboratorio de Patología Apícola, IRIAF Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal, Consejería de Agricultura de la Junta de Comunidades de Castilla-La Mancha, Camino de San Martín s/n, 19180 Marchamalo, Spain; (R.M.H.); (M.H.P.)
- Instituto de Recursos Humanos para la Ciencia y la Tecnología (INCRECYT-FEDER), Fundación Parque Científico y Tecnológico de Castilla—La Mancha, 02006 Albacete, Spain
| | - Mariano Higes Pascual
- Centro de Investigación Apícola y Agroambiental (CIAPA), Laboratorio de Patología Apícola, IRIAF Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal, Consejería de Agricultura de la Junta de Comunidades de Castilla-La Mancha, Camino de San Martín s/n, 19180 Marchamalo, Spain; (R.M.H.); (M.H.P.)
| | - Agata L. Starosta
- Laboratory of Gene Expression, ECOTECH-Complex, Maria Curie-Sklodowska University, ul. Gleboka 39, 20-612 Lublin, Poland;
- Department of Molecular Biology, Institute of Biological Sciences, Maria Curie-Sklodowska University, Akademicka 19 Str., 20-033 Lublin, Poland
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13
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Pachla A, Ptaszyńska AA, Wicha M, Kunat M, Wydrych J, Oleńska E, Małek W. Insight into probiotic properties of lactic acid bacterial endosymbionts of Apis mellifera L. derived from the Polish apiary. Saudi J Biol Sci 2021; 28:1890-1899. [PMID: 33732075 PMCID: PMC7938192 DOI: 10.1016/j.sjbs.2020.12.040] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 12/22/2022] Open
Abstract
Taking into account that fructophilic lactic acid bacteria (FLAB) can play an important role in the health of honey bees and can be used as probiotics, phenotypic properties of probiotic interest of Lactobacillus kunkeei (12 strains) and Fructobacillus fructossus bacteria (2 strains), isolated from Apis mellifera gastrointestinal tract, have been studied. We have evaluated survival of tested FLAB in honey bee gut, their susceptibility to antibiotics (ampicillin, erythromycin, tylosin), cell surface hydrophobicity, auto-aggregation ability, co-aggregation with model pathogenic bacteria, biofilm formation capacity, and effect of studied FLAB, added to sucrose syrup bee diet, on longevity of honey bees. The tested FLAB exhibited good gastrointestinal tract tolerance and high antibiotic susceptibility, which are important criteria in the screening of probiotic candidates. It was also found that all FLAB studied have high cell surface hydrophobicity and fulfil next selection criterion for their use as probiotics. Symbionts of A. mellifera showed also auto- and co-aggregation capacities regarded as valuable features for biofilm formation and inhibition of pathogens adhesion to the bee gut cells. Biofilm-development ability is a desired characteristic of probiotic lactic acid bacteria. As indicated by quantitative crystal violet-stained microplate assay and confocal laser scanning microscopy imaging, all studied A. mellifera gut isolates exhibit a biofilm positive phenotype. Moreover, it was also documented, on honey bees kept in cages, that supplementation of A. mellifera sucrose diet with FLAB decreases mortality and improves significantly longevity of honey bees. Presented research showed that A. mellifera FLAB symbionts are good candidates for application as probiotics.
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Affiliation(s)
- Artur Pachla
- Research and Development Center, Biowet Puławy, 2 H. Arciucha st., 24–100 Puławy, Poland
| | - Aneta A. Ptaszyńska
- Department of Immunobiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie–Skłodowska University, 19 Akademicka st., 20–033 Lublin, Poland
| | - Magdalena Wicha
- Research and Development Center, Biowet Puławy, 2 H. Arciucha st., 24–100 Puławy, Poland
| | - Magdalena Kunat
- Department of Immunobiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie–Skłodowska University, 19 Akademicka st., 20–033 Lublin, Poland
| | - Jerzy Wydrych
- Department of Functional Anatomy and Cytobiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, M. Curie–Skłodowska University, Akademicka 19, 20–033 Lublin, Poland
| | - Ewa Oleńska
- Department of Microbiology and Biotechnology, Faculty of Biology, University of Białystok, Ciołkowskiego 1J, 15-245 Białystok, Poland
| | - Wanda Małek
- Department of Genetics and Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, M. Curie–Skłodowska University, Akademicka 19, 20–033 Lublin, Poland
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14
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Ilijević K, Vujanović D, Orčić S, Purać J, Kojić D, Zarić N, Gržetić I, Blagojević DP, Čelić TV. Anthropogenic influence on seasonal and spatial variation in bioelements and non-essential elements in honeybees and their hemolymph. Comp Biochem Physiol C Toxicol Pharmacol 2021; 239:108852. [PMID: 32777467 DOI: 10.1016/j.cbpc.2020.108852] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/27/2020] [Accepted: 07/03/2020] [Indexed: 12/01/2022]
Abstract
Honeybee colony losses have been a focus of research in the last years, due to the importance of managed honeybee colonies for economy and ecology. Different unfavorable conditions from the outside environment have a strong impact on the hive health. The majority of losses occur mainly during winter and the exact reason is not completely understood. Only a small number of studies are dealing with content of bioelements, their function and influence on honeybee physiology. The aim of the present study was to determine seasonal and spatial variations in content of bioelements and non-essential elements, in hemolymph and whole body of honeybees originating from three regions with different degrees of urbanization and industrialization. Concentrations of 16 elements were compared: macroelements (Ca, K, Mg, Na), microelements (Cu, Fe, Mn, Zn) and non-essential elements (Al, Ba, Cd, Co, Cr, Ni, Pb, Sr) in samples collected from 3 different environments: Golija (rural region), Belgrade (urban region) and Zajača (industrial region). Content of bioelements and non-essential elements in honeybees was under noticeable influence of the surrounding environment, season and degree of honeybee activity. Hemolymph was proven to be helpful in differentiating air pollution from other sources of honeybee exposure. The results of our study demonstrated that bees can be successfully used as biomonitors since we have observed statistically significant differences among observed locations, but unless compared locations are exposed to excessively different pollution pressures, it is essential that all bees should be collected at the same season.
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Affiliation(s)
- Konstantin Ilijević
- University of Belgrade, Faculty of Chemistry, Studentski trg 16, 11000 Belgrade, Serbia
| | - Dragana Vujanović
- University of Belgrade, Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Snežana Orčić
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg D. Obradovića 3, 21000 Novi Sad, Serbia
| | - Jelena Purać
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg D. Obradovića 3, 21000 Novi Sad, Serbia
| | - Danijela Kojić
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg D. Obradovića 3, 21000 Novi Sad, Serbia
| | - Nenad Zarić
- University of Belgrade, Faculty of Biology, Studentski trg 16, 11000 Belgrade, Serbia
| | - Ivan Gržetić
- University of Belgrade, Faculty of Chemistry, Studentski trg 16, 11000 Belgrade, Serbia
| | - Duško P Blagojević
- University of Belgrade, Institute for Biological Research "Siniša Stanković", Department of Physiology, Bulevar despota Stefana 142, 11060 Belgrade, Serbia
| | - Tatjana V Čelić
- University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Trg D. Obradovića 3, 21000 Novi Sad, Serbia.
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15
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Kunat M, Wagner GK, Staniec B, Jaszek M, Matuszewska A, Stefaniuk D, Ptaszyńska AA. Aqueous extracts of jet-black ant Lasius fuliginosus nests for controlling nosemosis, a disease of honeybees caused by fungi of the genus Nosema. THE EUROPEAN ZOOLOGICAL JOURNAL 2020. [DOI: 10.1080/24750263.2020.1845405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- M. Kunat
- Department of Immunobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | - G. K. Wagner
- Department of Zoology and Environmental Conservation, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | - B. Staniec
- Department of Zoology and Environmental Conservation, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | - M. Jaszek
- Chair of Biochemistry and Biotechnology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | - A. Matuszewska
- Chair of Biochemistry and Biotechnology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | - D. Stefaniuk
- Chair of Biochemistry and Biotechnology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | - A. A. Ptaszyńska
- Department of Immunobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
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16
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Extracts from Eleutherococcus senticosus (Rupr. et Maxim.) Maxim. Roots: A New Hope Against Honeybee Death Caused by Nosemosis. Molecules 2020; 25:molecules25194452. [PMID: 32998304 PMCID: PMC7582972 DOI: 10.3390/molecules25194452] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/21/2020] [Accepted: 09/23/2020] [Indexed: 12/19/2022] Open
Abstract
Pollinators, the cornerstones of our terrestrial ecosystem, have been at the very core of our anxiety. This is because we can nowadays observe a dangerous decline in the number of insects. With the numbers of pollinators dramatically declining worldwide, the scientific community has been growing more and more concerned about the future of insects as fundamental elements of most terrestrial ecosystems. Trying to address this issue, we looked for substances that might increase bee resistance. To this end, we checked the effects of plant-based adaptogens on honeybees in laboratory tests and during field studies on 30 honeybee colonies during two seasons. In this study, we have tested extracts obtained from: Eleutherococcus senticosus, Garcinia cambogia, Panax ginseng, Ginkgo biloba, Schisandra chinensis, and Camellia sinensis. The 75% ethanol E. senticosus root extract proved to be the most effective, both as a cure and in the prophylaxis of nosemosis. Therefore, Eleutherococcus senticosus, and its active compounds, eleutherosides, are considered the most powerful adaptogens, in the pool of all extracts that were selected for screening, for supporting immunity and improving resistance of honeybees. The optimum effective concentration of 0.4 mg/mL E. senticosus extract responded to c.a. 5.76, 2.56 and 0.07 µg/mL of eleutheroside B, eleutheroside E and naringenin, respectively. The effect of E. senticosus extracts on honeybees involved a similar adaptogenic response as on other animals, including humans. In this research, we show for the first time such an adaptogenic impact on invertebrates, i.e., the effect on honeybees stressed by nosemosis. We additionally hypothesised that these adaptogenic properties were connected with eleutherosides-secondary metabolites found exclusively in the Eleutherococcus genus and undetected in other studied extracts. As was indicated in this study, eleutherosides are very stable chemically and can be found in extracts in similar amounts even after two years from extraction. Considering the role bees play in nature, we may conclude that demonstrating the adaptogenic properties which plant extracts have in insects is the most significant finding resulting from this research. This knowledge might bring to fruition numerous economic and ecological benefits.
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17
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Szczurek A, Maciejewska M, Bąk B, Wilk J, Wilde J, Siuda M. Gas Sensor Array and Classifiers as a Means of Varroosis Detection. SENSORS 2019; 20:s20010117. [PMID: 31878107 PMCID: PMC6983005 DOI: 10.3390/s20010117] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 11/16/2022]
Abstract
The study focused on a method of detection for bee colony infestation with the Varroa destructor mite, based on the measurements of the chemical properties of beehive air. The efficient detection of varroosis was demonstrated. This method of detection is based on a semiconductor gas sensor array and classification module. The efficiency of detection was characterized by the true positive rate (TPR) and true negative rate (TNR). Several factors influencing the performance of the method were determined. They were: (1) the number and kind of sensors, (2) the classifier, (3) the group of bee colonies, and (4) the balance of the classification data set. Gas sensor array outperformed single sensors. It should include at least four sensors. Better results of detection were attained with a support vector machine (SVM) as compared with the k-nearest neighbors (k-NN) algorithm. The selection of bee colonies was important. TPR and TNR differed by several percent for the two examined groups of colonies. The balance of the classification data was crucial. The average classification results were, for the balanced data set: TPR = 0.93 and TNR = 0.95, and for the imbalanced data set: TP = 0.95 and FP = 0.53. The selection of bee colonies and the balance of classification data set have to be controlled in order to attain high performance of the proposed detection method.
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Affiliation(s)
- Andrzej Szczurek
- Faculty of Environmental Engineering, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland;
| | - Monika Maciejewska
- Faculty of Environmental Engineering, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland;
- Correspondence:
| | - Beata Bąk
- Apiculture Department, Warmia and Mazury University in Olsztyn, Sloneczna 48, 10-957 Olsztyn, Poland; (B.B.); (J.W.); (J.W.); (M.S.)
| | - Jakub Wilk
- Apiculture Department, Warmia and Mazury University in Olsztyn, Sloneczna 48, 10-957 Olsztyn, Poland; (B.B.); (J.W.); (J.W.); (M.S.)
| | - Jerzy Wilde
- Apiculture Department, Warmia and Mazury University in Olsztyn, Sloneczna 48, 10-957 Olsztyn, Poland; (B.B.); (J.W.); (J.W.); (M.S.)
| | - Maciej Siuda
- Apiculture Department, Warmia and Mazury University in Olsztyn, Sloneczna 48, 10-957 Olsztyn, Poland; (B.B.); (J.W.); (J.W.); (M.S.)
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