1
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Upoma N, Akter N, Ferdousi FK, Sultan MZ, Rahman S, Alodhayb A, Alibrahim KA, Habib A. Interactions of Co(II)- and Zn(II)porphyrin of 5,10,15,20-tetrakis(1-methyl-4-pyridinio)porphyrin with DNA in Aqueous Solution and Their Antimicrobial Activities. ACS OMEGA 2024; 9:22325-22335. [PMID: 38799349 PMCID: PMC11112571 DOI: 10.1021/acsomega.4c01708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/31/2024] [Accepted: 04/25/2024] [Indexed: 05/29/2024]
Abstract
Antibiotics are frequently used to treat, prevent, or control bacterial infections, but in recent years, infections resistant to all known classes of conventional antibiotics have significantly grown. The development of novel, nontoxic, and nonincursive antimicrobial methods that work more quickly and efficiently than the present antibiotics is required to combat this growing public health issue. Here, Co(II) and Zn(II) derivatives of tetrakis(1-methylpyridinium-4yl)porphyrin [H2TMPyP]4+ as a tetra(ρ-toluenesulfonate) were synthesized and purified to investigate their interactions with DNA (pH 7.40, 25 °C) using UV-vis, fluorescence techniques, and antimicrobial activity. UV-vis results showed that [H2TMPyP]4+ had a high hypochromicity (∼64%) and a substantial bathochromic shift (Δλ, 14 nm), while [Co(II)TMPyP]4+ and [Zn(II)TMPyP]4+ showed little hypochromicity (∼37%) and a small bathochromic shift (Δλ, 3-6 nm). Results reveal that [H2TMPyP]4+ interacts with DNA via intercalation, while Co(II)- and [Zn(II)TMPyP]4+ interact with DNA via outside self-stacking. Fluorescence results also confirmed the interaction of [H2TMPyP]4+ and the metalloporphyrins with DNA. Results of the antimicrobial activity assay revealed that the metalloporphyrins showed inhibitory effects on Gram-positive and Gram-negative bacteria and fungi, but that neither the counterions nor [H2TMPyP]4+ exhibited any inhibitory effects. Mechanism of antimicrobial activities of metalloporphyrins are discussed.
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Affiliation(s)
| | - Nazmin Akter
- Department
of Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
| | | | - Md. Zakir Sultan
- Centre
for Advanced Research in Sciences (CARS), University of Dhaka, Dhaka 1000, Bangladesh
| | - Shofiur Rahman
- Biological
and Environmental Sensing Research Unit, King Abdullah Institute for
Nanotechnology, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah Alodhayb
- Biological
and Environmental Sensing Research Unit, King Abdullah Institute for
Nanotechnology, King Saud University, Riyadh 11451, Saudi Arabia
| | - Khuloud A. Alibrahim
- Department
of Chemistry, College of Science, Princess
Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Ahsan Habib
- Department
of Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
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2
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Glavinic U, Jovanovic NM, Dominikovic N, Lakic N, Ćosić M, Stevanovic J, Stanimirovic Z. Potential of Wormwood and Oak Bark-Based Supplement in Health Improvement of Nosema ceranae-Infected Honey Bees. Animals (Basel) 2024; 14:1195. [PMID: 38672343 PMCID: PMC11047348 DOI: 10.3390/ani14081195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/02/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Nosema ceranae, a microsporidian parasite, as one of the stressors that contribute to honey bee decline, has a significant negative impact on the longevity, productivity, and reproductive capacity of honey bee colonies. There are several different strategies for Nosema infection control, including natural-based and antibiotic-based products. In this study, we tested wormwood and oak bark-based supplement "Medenko forte" on survival, Nosema infection, oxidative stress, and expression of immune-related genes in artificially N. ceranae-infected bees. The results revealed a positive influence on the survival of Nosema-infected bees, irrespectively of the moment of supplement application (day 1, day 3, or day 6 after bee emergence), as well as reduction of Nosema loads and, consequently, Nosema-induced oxidative stress. Supplementation had no negative effects on bee immunity, but better anti-Nosema than immune-stimulating effects were affirmed based on expression levels of abaecin, defensin, hymenoptaecin, apidaecin, and vitellogenin genes. In conclusion, the tested supplement "Medenko forte" has great potential in the health protection of Nosema-infected bees. However, further investigations need to be performed to elucidate its mechanisms of action.
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Affiliation(s)
- Uros Glavinic
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. Oslobodjenja 18, 11000 Belgrade, Serbia; (U.G.); (N.D.); (J.S.); (Z.S.)
| | - Nemanja M. Jovanovic
- Department of Parasitology, Faculty of Veterinary Medicine, University of Belgrade, Bul. Oslobodjenja 18, 11000 Belgrade, Serbia
| | - Nina Dominikovic
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. Oslobodjenja 18, 11000 Belgrade, Serbia; (U.G.); (N.D.); (J.S.); (Z.S.)
| | - Nada Lakic
- Department of Statistics, Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Belgrade, Serbia;
| | - Milivoje Ćosić
- Institute of Forestry, Kneza Viseslava 3, 11000 Belgrade, Serbia;
| | - Jevrosima Stevanovic
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. Oslobodjenja 18, 11000 Belgrade, Serbia; (U.G.); (N.D.); (J.S.); (Z.S.)
| | - Zoran Stanimirovic
- Department of Biology, Faculty of Veterinary Medicine, University of Belgrade, Bul. Oslobodjenja 18, 11000 Belgrade, Serbia; (U.G.); (N.D.); (J.S.); (Z.S.)
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3
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Gok Yurttas A, Çinar K, Khan Z, Elgün T, Mayack C. Inactivation of Nosema spp. with zinc phthalocyanine. J Invertebr Pathol 2024; 203:108074. [PMID: 38350524 DOI: 10.1016/j.jip.2024.108074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 01/12/2024] [Accepted: 02/09/2024] [Indexed: 02/15/2024]
Abstract
Most honey bee pathogens, such as Vairimorpha (Nosema), cannot be rapidly and definitively diagnosed in a natural setting, consequently there is typically the spread of these diseases through shared and re-use of beekeeping equipment. Furthermore, there are no viable treatment options available for Nosema spores to aid in managing the spread of this bee disease. We therefore aimed to develop a new method using novel Zinc Phthalocyanine (ZnPc) as a photosensitizer for the photodynamic inactivation of Nosema spores that could be used for the decontamination of beekeeping equipment. Nosema spores were propagated for in vitro testing using four caged Apis mellifera honey bees. The ZnPc treatment was characterized, encapsulated with a liposome, and then used as either a 10 or 100 µM treatment for the freshly harvested Nosema spores, for either a 30 and or 60-minute time period, under either light or dark conditions, in-vitro, in 96-well plates. In the dark treatment, after 30-min, the ZnPc 100 µM treatment, caused a 30 % Nosema mortality, while this increased to 80 % at the same concentration after the light treatment. The high rate of anti-spore effects, in a short period of time, supports the notion that this could be an effective treatment for managing honey bee Nosema infections in the future. Our results also suggest that the photo activation of the treatment could be applied in the field setting and this would increase the sterilization of beekeeping equipment against Nosema.
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Affiliation(s)
- Asiye Gok Yurttas
- Department of Biochemistry, Faculty of Pharmacy, Istanbul Health and Technology University, Istanbul, Turkey.
| | - Kamil Çinar
- Department of Physics, Faculty of Science, Gebze Technical University, Kocaeli, Turkey.
| | - Zaeema Khan
- Faculty of Engineering and Natural Sciences, Sabancı University, Istanbul, Turkey.
| | - Tuğba Elgün
- Medical Biology, Faculty of Medicine, Istanbul Biruni University, Istanbul, Turkey.
| | - Christopher Mayack
- Faculty of Engineering and Natural Sciences, Sabancı University, Istanbul, Turkey; US Department of Agriculture, Invasive Species and Pollinator Health Research Unit (ISPHRU), Western Regional Research Center (WRRC) in the Pacific West Area (PWA), USDA ARS Bee Lab Trailer 1, United States.
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4
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Shaha C, Sarker B, Mahalanobish SK, Hossain MS, Karmaker S, Saha TK. Kinetics, Equilibrium, and Thermodynamics for Conjugation of Chitosan with Insulin-Mimetic [ meso-Tetrakis(4-sulfonatophenyl)porphyrinato]oxovanadate(IV)(4-) in an Aqueous Solution. ACS OMEGA 2023; 8:41612-41623. [PMID: 37970023 PMCID: PMC10634234 DOI: 10.1021/acsomega.3c05804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/07/2023] [Accepted: 10/11/2023] [Indexed: 11/17/2023]
Abstract
This study investigated the conjugation of chitosan with the insulin-mimetic [meso-tetrakis(4-sulfonatophenyl)porphyrinato]oxovanadate(IV)(4-), VO(tpps), in an aqueous medium as a function of conjugation time, VO(tpps) concentrations, and temperatures. To validate the synthesis of chitosan-VO(tpps) conjugate, UV-visible and Fourier transform infrared spectrophotometric techniques were utilized. Conjugate formation is ascribed to the electrostatic interaction between the NH3+ units of chitosan and the SO3- units of VO(tpps). Chitosan enhances the stability of VO(tpps) in an aqueous medium (pH 2.5). VO(tpps) conjugation with chitosan was best explained by pseudo-second-order kinetic and Langmuir isotherm models based on kinetic and isotherm studies. The Langmuir equation determined that the maximal ability of VO(tpps) conjugated with each gram of chitosan was 39.22 μmol at a solution temperature of 45 °C. Activation energy and thermodynamic studies (Ea: 8.78 kJ/mol, ΔG: -24.52 to -27.55 kJ/mol, ΔS: 204.22 J/(mol K), and ΔH: 37.30 kJ/mol) reveal that conjugation is endothermic and physical in nature. The discharge of VO(tpps) from conjugate was analyzed in freshly prepared 0.1 mol/L phosphate buffer (pH 7.4) at 37 °C. The release of VO(tpps) from the conjugate is a two-phase process best explained by the Higuchi model, according to a kinetic analysis of the release data. Taking into consideration all experimental findings, it is proposed that chitosan can be used to formulate both solid and liquid insulin-mimetic chitosan-VO(tpps) conjugates.
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Affiliation(s)
- Chironjit
Kumar Shaha
- Department
of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
- Veterinary
Drug Residue Analysis Division, Institute
of Food and Radiation Biology, Atomic Energy Research Establishment
(AERE), Gonokbari, Savar, Dhaka 1349, Bangladesh
| | - Bithy Sarker
- Department
of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | | | - Md. Sharif Hossain
- Department
of Biotechnology & Genetic Engineering, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Subarna Karmaker
- Department
of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
| | - Tapan Kumar Saha
- Department
of Chemistry, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
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5
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Berbeć E, Migdał P, Cebrat M, Roman A, Murawska A. Honeybee age and inoculum concentration as factors affecting the development of Nosema ceranae infection. THE EUROPEAN ZOOLOGICAL JOURNAL 2022. [DOI: 10.1080/24750263.2022.2121009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Affiliation(s)
- E. Berbeć
- Bee Division, Department of Environment, Hygiene and Animal Welfare, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - P. Migdał
- Bee Division, Department of Environment, Hygiene and Animal Welfare, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - M. Cebrat
- Laboratory of Molecular and Cellular Immunology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - A. Roman
- Bee Division, Department of Environment, Hygiene and Animal Welfare, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - A. Murawska
- Bee Division, Department of Environment, Hygiene and Animal Welfare, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
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6
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El-Seedi HR, El-Wahed AAA, Naggar YA, Saeed A, Xiao J, Ullah H, Musharraf SG, Boskabady MH, Cao W, Guo Z, Daglia M, El Wakil A, Wang K, Khalifa SAM. Insights into the Role of Natural Products in the Control of the Honey Bee Gut Parasite ( Nosema spp.). Animals (Basel) 2022; 12:3062. [PMID: 36359186 PMCID: PMC9656094 DOI: 10.3390/ani12213062] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 08/05/2023] Open
Abstract
The honey bee is an important economic insect due to its role in pollinating many agricultural plants. Unfortunately, bees are susceptible to many pathogens, including pests, parasites, bacteria, and viruses, most of which exert a destructive impact on thousands of colonies. The occurrence of resistance to the therapeutic substances used against these organisms is rising, and the residue from these chemicals may accumulate in honey bee products, subsequently affecting the human health. There is current advice to avoid the use of antibiotics, antifungals, antivirals, and other drugs in bees, and therefore, it is necessary to develop alternative strategies for the treatment of bee diseases. In this context, the impact of nosema diseases (nosemosis) on bee health and the negative insults of existing drugs are discussed. Moreover, attempts to combat nosema through the use of alternative compounds, including essential oils, plant extracts, and microbes in vitro and in vivo, are documented.
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Affiliation(s)
- Hesham R. El-Seedi
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
- Pharmacognosy Group, Department of Pharmaceutical Biosciences, Biomedical Centre, Uppsala University, P.O. Box 591, SE-751 24 Uppsala, Sweden
- International Joint Research Laboratory of Intelligent Agriculture and Agri-Products Processing (Jiangsu University), Jiangsu Education Department, Nanjing 210024, China
- Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Koom 32512, Egypt
| | - Aida A. Abd El-Wahed
- Department of Bee Research, Plant Protection Research Institute, Agricultural Research Centre, Giza 12627, Egypt
| | - Yahya Al Naggar
- Zoology Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Aamer Saeed
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Jianbo Xiao
- Department of Analytical Chemistry and Food Science, University of Vigo, 36310 Vigo, Spain
| | - Hammad Ullah
- Department of Pharmacy, University of Napoli Federico II, 80131 Naples, Italy
| | - Syed G. Musharraf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Mohammad H. Boskabady
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad 13131-99137, Iran
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 13131-99137, Iran
| | - Wei Cao
- College of Food Science and Technology, Northwest University, Xi’an 710069, China
- Bee Product Research Center of Shaanxi Province, Xi’an 710065, China
| | - Zhiming Guo
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Maria Daglia
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
- Department of Pharmacy, University of Napoli Federico II, 80131 Naples, Italy
| | - Abeer El Wakil
- Department of Biological and Geological Sciences, Faculty of Education, Alexandria University, Alexandria 215260, Egypt
| | - Kai Wang
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Shaden A. M. Khalifa
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE-106 91 Stockholm, Sweden
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7
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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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8
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Effect of amide protoporphyrin derivatives on immune response in Apis mellifera. Sci Rep 2022; 12:14406. [PMID: 36002552 PMCID: PMC9402574 DOI: 10.1038/s41598-022-18534-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 08/16/2022] [Indexed: 12/29/2022] Open
Abstract
The intracellular microsporidian parasite Nosema ceranae is known to compromise bee health by induction of energetic stress and downregulation of the immune system. Porphyrins are candidate therapeutic agents for controlling Nosema infection without adverse effects on honeybees. In the present work, the impact of two protoporphyrin IX derivatives, i.e. PP[Asp]2 and PP[Lys]2, on Apis mellifera humoral immune response has been investigated in laboratory conditions in non-infected and N. ceranae-infected honeybees. Fluorescence spectroscopy analysis of hemolymph showed for the first time that porphyrin molecules penetrate into the hemocoel of honeybees. Phenoloxidase (PO) activity and the expression of genes encoding antimicrobial peptides (AMPs: abaecin, defensin, and hymenoptaecin) were assessed. Porphyrins significantly increased the phenoloxidase activity in healthy honeybees but did not increase the expression of AMP genes. Compared with the control bees, the hemolymph of non-infected bees treated with porphyrins had an 11.3- and 6.1-fold higher level of PO activity after the 24- and 48-h porphyrin administration, respectively. Notably, there was a significant inverse correlation between the PO activity and the AMP gene expression level (r = - 0.61696, p = 0.0143). The PO activity profile in the infected bees was completely opposite to that in the healthy bees (r = - 0.5118, p = 0.000), which was related to the changing load of N. ceranae spores in the porphyrin treated-bees. On day 12 post-infection, the spore loads in the infected porphyrin-fed individuals significantly decreased by 74%, compared with the control bees. Our findings show involvement of the honeybee immune system in the porphyrin-based control of Nosema infection. This allows the infected bees to improve their lifespan considerably by choosing an optimal PO activity/AMP expression variant to cope with the varying level of N. ceranae infection.
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9
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Antifungal activity of "HO21-F", a formulation based on Olea europaea plant extract, in honey bees infected with Nosema ceranae. J Invertebr Pathol 2022; 193:107801. [PMID: 35863438 DOI: 10.1016/j.jip.2022.107801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 06/28/2022] [Accepted: 07/15/2022] [Indexed: 11/23/2022]
Abstract
Nosema ceranae is a microsporidium parasite that silently affects honey bees, causing a disease called nosemosis. This parasite produces resistant spores and germinates in the midgut of honey bees, extrudes a polar tubule that injects an infective sporoplasm in the host cell epithelium, proliferates, and produces intestinal disorders that shorten honey bee lifespan. The rapid extension of this disease has been reported to be widespread among adult bees, and treatments are less effective and counterproductive weakening colonies. This work aimed to evaluate the antifungal activity of a prototype formulation based on a non-toxic plant extract (HO21-F) against N. ceranae. In laboratory, honey bees were infected artificially, kept in cages for 17 days and samples were taken at 7 and 14 days post infection (dpi). At the same time, in field conditions we evaluated the therapeutic effect of HO21-F for 28 days in naturally infected colonies. The effectiveness of the treatment has been demonstrated by a reduction of 83.6 % of the infection levels observed in laboratory conditions at concentrations of 0.5 and 1 g/L without affecting the survival rate. Besides, in-field conditions we reported a reduction of 88 % of the infection level at a concentration of 2.5 g/L, obtaining better antifungal effectiveness in comparison to other commercially available treatments. As a result, we observed that the use of HO21-F led to an increase in population size and honey production, both parameters associated with colony strength. The reported antifungal activity of HO21-F against N. ceranae, with a significant control of spore proliferation in worker bees, suggests the promising commercial application use of this product against nosemosis, and it will encourage new research studies to understand the mechanism of action, whether related to the spore-inhibition effect and/or a stimulating effect in natural response of colonies to counteract the disease.
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10
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Ashrafizadeh M, Zarrabi A, Karimi‐Maleh H, Taheriazam A, Mirzaei S, Hashemi M, Hushmandi K, Makvandi P, Nazarzadeh Zare E, Sharifi E, Goel A, Wang L, Ren J, Nuri Ertas Y, Kumar AP, Wang Y, Rabiee N, Sethi G, Ma Z. (Nano)platforms in bladder cancer therapy: Challenges and opportunities. Bioeng Transl Med 2022; 8:e10353. [PMID: 36684065 PMCID: PMC9842064 DOI: 10.1002/btm2.10353] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 01/25/2023] Open
Abstract
Urological cancers are among the most common malignancies around the world. In particular, bladder cancer severely threatens human health due to its aggressive and heterogeneous nature. Various therapeutic modalities have been considered for the treatment of bladder cancer although its prognosis remains unfavorable. It is perceived that treatment of bladder cancer depends on an interdisciplinary approach combining biology and engineering. The nanotechnological approaches have been introduced in the treatment of various cancers, especially bladder cancer. The current review aims to emphasize and highlight possible applications of nanomedicine in eradication of bladder tumor. Nanoparticles can improve efficacy of drugs in bladder cancer therapy through elevating their bioavailability. The potential of genetic tools such as siRNA and miRNA in gene expression regulation can be boosted using nanostructures by facilitating their internalization and accumulation at tumor sites and cells. Nanoparticles can provide photodynamic and photothermal therapy for ROS overgeneration and hyperthermia, respectively, in the suppression of bladder cancer. Furthermore, remodeling of tumor microenvironment and infiltration of immune cells for the purpose of immunotherapy are achieved through cargo-loaded nanocarriers. Nanocarriers are mainly internalized in bladder tumor cells by endocytosis, and proper design of smart nanoparticles such as pH-, redox-, and light-responsive nanocarriers is of importance for targeted tumor therapy. Bladder cancer biomarkers can be detected using nanoparticles for timely diagnosis of patients. Based on their accumulation at the tumor site, they can be employed for tumor imaging. The clinical translation and challenges are also covered in current review.
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Affiliation(s)
- Milad Ashrafizadeh
- Faculty of Engineering and Natural SciencesSabanci University, Orta MahalleIstanbulTurkey
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural SciencesIstinye UniversityIstanbulTurkey
| | - Hassan Karimi‐Maleh
- School of Resources and EnvironmentUniversity of Electronic Science and Technology of ChinaChengduPeople's Republic of China,Department of Chemical EngineeringQuchan University of TechnologyQuchanIran,Department of Chemical SciencesUniversity of JohannesburgJohannesburgSouth Africa
| | - Afshin Taheriazam
- Department of Orthopedics, Faculty of medicineTehran Medical Sciences, Islamic Azad UniversityTehranIran,Farhikhtegan Medical Convergence Sciences Research CenterFarhikhtegan Hospital Tehran Medical Sciences, Islamic Azad UniversityTehranIran
| | - Sepideh Mirzaei
- Department of Biology, Faculty of ScienceIslamic Azad University, Science and Research BranchTehranIran
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research CenterFarhikhtegan Hospital Tehran Medical Sciences, Islamic Azad UniversityTehranIran
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of epidemiology, Faculty of Veterinary MedicineUniversity of TehranTehranIran
| | - Pooyan Makvandi
- Istituto Italiano di TecnologiaCentre for Materials InterfacePontederaPisa56025Italy
| | | | - Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and TechnologiesHamadan University of Medical SciencesHamadanIran
| | - Arul Goel
- La Canada High SchoolLa Cañada FlintridgeCaliforniaUSA
| | - Lingzhi Wang
- Cancer Science Institute of SingaporeNational University of SingaporeSingaporeSingapore
| | - Jun Ren
- Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWashingtonUSA,Shanghai Institute of Cardiovascular Diseases, Department of CardiologyZhongshan Hospital, Fudan UniversityShanghaiChina
| | - Yavuz Nuri Ertas
- Department of Biomedical EngineeringErciyes UniversityKayseriTurkey,ERNAM—Nanotechnology Research and Application CenterErciyes UniversityKayseriTurkey
| | - Alan Prem Kumar
- Department of PharmacologyYong Loo Lin School of Medicine, National University of SingaporeSingaporeSingapore
| | - Yuzhuo Wang
- Department of Urologic Sciences and Vancouver Prostate CentreUniversity of British ColumbiaVancouverBritish ColumbiaCanada
| | - Navid Rabiee
- School of EngineeringMacquarie UniversitySydneyNew South Wales2109Australia,Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)PohangGyeongbuk37673South Korea
| | - Gautam Sethi
- Department of PharmacologyYong Loo Lin School of Medicine, National University of SingaporeSingaporeSingapore
| | - Zhaowu Ma
- Health Science CenterYangtze UniversityJingzhouHubeiChina
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11
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Vargas-Zúñiga GI, Boreen MA, Mangel DN, Arnold J, Sessler JL. Porphyrinoid actinide complexes. Chem Soc Rev 2022; 51:3735-3758. [PMID: 35451437 DOI: 10.1039/d2cs00107a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The diverse coordination modes and electronic features of actinide complexes of porphyrins and related oligopyrrolic systems (referred to as "porpyrinoids") have been the subject of interest since the 1960s. Given their stability and accessibility, most work with actinides has focused on thorium and uranium. This trend is also seen in the case of porphyrinoid-based complexation studies. Nevertheless, the diversity of ligand environments provided by porphyrinoids has led to the stabilization of a number of unique complexes with the early actinides that are often without structural parallel within the broader coordination chemical lexicon. This review summarizes key examples of prophyrinoid actinide complexes reported to date, including the limited number of porphyrinoid systems involving transuranic elements. The emphasis will be on synthesis and structure; however, the electronic features and reactivity pattern of representative systems will be detailed as well. Coverage is through December of 2021.
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Affiliation(s)
- Gabriela I Vargas-Zúñiga
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712, USA.
| | - Michael A Boreen
- Department of Chemistry, University of California, Berkeley, CA 94720, USA.
| | - Daniel N Mangel
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712, USA.
| | - John Arnold
- Department of Chemistry, University of California, Berkeley, CA 94720, USA.
| | - Jonathan L Sessler
- Department of Chemistry, The University of Texas at Austin, 105 East 24th Street, Stop A5300, Austin, Texas 78712, USA.
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12
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Recent Advances in the Biocontrol of Nosemosis in Honey Bees (Apis mellifera L.). J Fungi (Basel) 2022; 8:jof8050424. [PMID: 35628680 PMCID: PMC9145624 DOI: 10.3390/jof8050424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/08/2022] [Accepted: 04/19/2022] [Indexed: 12/14/2022] Open
Abstract
Nosemosis is a disease triggered by the single-celled spore-forming fungi Nosema apis and Nosema ceranae, which can cause extensive colony losses in honey bees (Apis mellifera L.). Fumagillin is an effective antibiotic treatment to control nosemosis, but due to its toxicity, it is currently banned in many countries. Accordingly, in the beekeeping sector, there is a strong demand for alternative ecological methods that can be used for the prevention and therapeutic control of nosemosis in honey bee colonies. Numerous studies have shown that plant extracts, RNA interference (RNAi) and beneficial microbes could provide viable non-antibiotic alternatives. In this article, recent scientific advances in the biocontrol of nosemosis are summarized.
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Hegyi ÁI, Otto M, Geml J, Hegyi-Kaló J, Kun J, Gyenesei A, Pierneef R, Váczy KZ. Metatranscriptomic Analyses Reveal the Functional Role of Botrytis cinerea in Biochemical and Textural Changes during Noble Rot of Grapevines. J Fungi (Basel) 2022; 8:jof8040378. [PMID: 35448609 PMCID: PMC9030449 DOI: 10.3390/jof8040378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 02/04/2023] Open
Abstract
Botrytis cinerea, can lead to the formation of noble rot (NR) of grape berries under certain environmental conditions, resulting in favored metabolic and physical changes necessary for producing highly regarded botrytized wines. The functional genes involved in the textural and biochemical processes are still poorly characterized. We generated and analyzed metatranscriptomic data from healthy (H) berries and from berries representing the four stages of NR from the Tokaj wine region in Hungary over three months. A weighted gene co-expression network analysis (WGCNA) was conducted to link B. cinerea functional genes to grape berry physical parameters berry hardness (BH), berry skin break force (F_sk), berry skin elasticity (E_sk), and the skin break energy (W_sk). Clustered modules showed that genes involved in carbohydrate and protein metabolism were significantly enriched in NR, highlighting their importance in the grape berry structural integrity. Carbohydrate active enzymes were particularly up-regulated at the onset of NR (during the transition from phase I to II) suggesting that the major structural changes occur early in the NR process. In addition, we identified genes expressed throughout the NR process belonging to enriched pathways that allow B. cinerea to dominate and proliferate during this state, including sulphate metabolizing genes and genes involved in the synthesis of antimicrobials.
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Affiliation(s)
- Ádám István Hegyi
- Food and Wine Research Institute, Eszterházy Károly Catholic University, H-3300 Eger, Hungary; (Á.I.H.); (J.G.); (J.H.-K.)
| | - Margot Otto
- ELKH-EKKE Lendület Environmental Microbiome Research Group, Eszterházy Károly Catholic University, H-3300 Eger, Hungary;
| | - József Geml
- Food and Wine Research Institute, Eszterházy Károly Catholic University, H-3300 Eger, Hungary; (Á.I.H.); (J.G.); (J.H.-K.)
- ELKH-EKKE Lendület Environmental Microbiome Research Group, Eszterházy Károly Catholic University, H-3300 Eger, Hungary;
| | - Júlia Hegyi-Kaló
- Food and Wine Research Institute, Eszterházy Károly Catholic University, H-3300 Eger, Hungary; (Á.I.H.); (J.G.); (J.H.-K.)
| | - József Kun
- Genomics and Bioinformatics Core Facility, University of Pécs, H-7601 Pécs, Hungary; (J.K.); (A.G.)
- Department of Pharmacology and Parmacotherapy, University of Pécs Medical School, H-7624 Pécs, Hungary
| | - Attila Gyenesei
- Genomics and Bioinformatics Core Facility, University of Pécs, H-7601 Pécs, Hungary; (J.K.); (A.G.)
| | - Rian Pierneef
- Biotechnology Platform, Agricultural Research Council-Onderstepoort Veterinary Research, Pretoria 0110, South Africa;
| | - Kálmán Zoltán Váczy
- Food and Wine Research Institute, Eszterházy Károly Catholic University, H-3300 Eger, Hungary; (Á.I.H.); (J.G.); (J.H.-K.)
- Correspondence:
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14
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Otto M, Geml J, Hegyi ÁI, Hegyi-Kaló J, Pierneef R, Pogány M, Kun J, Gyenesei A, Váczy KZ. Botrytis cinerea expression profile and metabolism differs between noble and grey rot of grapes. Food Microbiol 2022; 106:104037. [DOI: 10.1016/j.fm.2022.104037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/01/2022] [Accepted: 04/10/2022] [Indexed: 11/17/2022]
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15
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Marín-García PJ, Peyre Y, Ahuir-Baraja AE, Garijo MM, Llobat L. The Role of Nosema ceranae (Microsporidia: Nosematidae) in Honey Bee Colony Losses and Current Insights on Treatment. Vet Sci 2022; 9:vetsci9030130. [PMID: 35324858 PMCID: PMC8952814 DOI: 10.3390/vetsci9030130] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 02/04/2023] Open
Abstract
Honeybee populations have locally and temporally declined in the last few years because of both biotic and abiotic factors. Among the latter, one of the most important reasons is infection by the microsporidia Nosema ceranae, which is the etiological agent of type C nosemosis. This species was first described in Asian honeybees (Apis cerana). Nowadays, domestic honeybees (Apis mellifera) worldwide are also becoming infected due to globalization. Type C nosemosis can be asymptomatic or can cause important damage to bees, such as changes in temporal polyethism, energy and oxidative stress, immunity loss, and decreased average life expectancy. It causes drastic reductions in workers, numbers of broods, and honey production, finally leading to colony loss. Common treatment is based on fumagillin, an antibiotic with side effects and relatively poor efficiency, which is banned in the European Union. Natural products, probiotics, food supplements, nutraceuticals, and other veterinary drugs are currently under study and might represent alternative treatments. Prophylaxis and management of affected colonies are essential to control the disease. While N. ceranae is one potential cause of bee losses in a colony, other factors must also be considered, especially synergies between microsporidia and the use of insecticides.
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Affiliation(s)
- Pablo Jesús Marín-García
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology (PASAPTA), Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain; (P.J.M.-G.); (A.E.A.-B.)
| | - Yoorana Peyre
- Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain;
| | - Ana Elena Ahuir-Baraja
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology (PASAPTA), Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain; (P.J.M.-G.); (A.E.A.-B.)
| | - María Magdalena Garijo
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology (PASAPTA), Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain; (P.J.M.-G.); (A.E.A.-B.)
- Correspondence: (M.M.G.); (L.L.)
| | - Lola Llobat
- Department of Animal Production and Health, Veterinary Public Health and Food Science and Technology (PASAPTA), Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, 46115 Valencia, Spain; (P.J.M.-G.); (A.E.A.-B.)
- Correspondence: (M.M.G.); (L.L.)
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16
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Wei J, Fei Z, Pan G, Weiss LM, Zhou Z. Current Therapy and Therapeutic Targets for Microsporidiosis. Front Microbiol 2022; 13:835390. [PMID: 35356517 PMCID: PMC8959712 DOI: 10.3389/fmicb.2022.835390] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
Microsporidia are obligate intracellular, spore-forming parasitic fungi which are grouped with the Cryptomycota. They are both opportunistic pathogens in humans and emerging veterinary pathogens. In humans, they cause chronic diarrhea in immune-compromised patients and infection is associated with increased mortality. Besides their role in pébrine in sericulture, which was described in 1865, the prevalence and severity of microsporidiosis in beekeeping and aquaculture has increased markedly in recent decades. Therapy for these pathogens in medicine, veterinary, and agriculture has become a recent focus of attention. Currently, there are only a few commercially available antimicrosporidial drugs. New therapeutic agents are needed for these infections and this is an active area of investigation. In this article we provide a comprehensive summary of the current as well as several promising new agents for the treatment of microsporidiosis including: albendazole, fumagillin, nikkomycin, orlistat, synthetic polyamines, and quinolones. Therapeutic targets which could be utilized for the design of new drugs are also discussed including: tubulin, type 2 methionine aminopeptidase, polyamines, chitin synthases, topoisomerase IV, triosephosphate isomerase, and lipase. We also summarize reports on the utility of complementary and alternative medicine strategies including herbal extracts, propolis, and probiotics. This review should help facilitate drug development for combating microsporidiosis.
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Affiliation(s)
- Junhong Wei
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - Zhihui Fei
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - Guoqing Pan
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - Louis M. Weiss
- Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, United States
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Zeyang Zhou
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Microsporidia Infection and Control, Southwest University, Chongqing, China
- Key Laboratory for Sericulture Functional Genomics Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
- College of Life Sciences, Chongqing Normal University, Chongqing, China
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17
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Rusanov AI, Dmitrieva OA, Mamardashvili NZ, Tetko IV. More Is Not Always Better: Local Models Provide Accurate Predictions of Spectral Properties of Porphyrins. Int J Mol Sci 2022. [DOI: https://doi.org/10.3390/ijms23031201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
The development of new functional materials based on porphyrins requires fast and accurate prediction of their spectral properties. The available models in the literature for absorption wavelength and extinction coefficient of the Soret band have low accuracy for this class of compounds. We collected spectral data for porphyrins to extend the literature set and compared the performance of global and local models for their modelling using different machine learning methods. Interestingly, extension of the public database contributed models with lower accuracies compared to the models, which we built using porphyrins only. The later model calculated acceptable RMSE = 2.61 for prediction of the absorption band of 335 porphyrins synthesized in our laboratory, but had a low accuracy (RMSE = 0.52) for extinction coefficient. A development of models using only compounds from our laboratory significantly decreased errors for these compounds (RMSE = 0.5 and 0.042 for absorption band and extinction coefficient, respectively), but limited their applicability only to these homologous series. When developing models, one should clearly keep in mind their potential use and select a strategy that could contribute the most accurate predictions for the target application. The models and data are publicly available.
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18
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Rusanov AI, Dmitrieva OA, Mamardashvili NZ, Tetko IV. More Is Not Always Better: Local Models Provide Accurate Predictions of Spectral Properties of Porphyrins. Int J Mol Sci 2022; 23:ijms23031201. [PMID: 35163123 PMCID: PMC8835262 DOI: 10.3390/ijms23031201] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 01/19/2022] [Indexed: 02/05/2023] Open
Abstract
The development of new functional materials based on porphyrins requires fast and accurate prediction of their spectral properties. The available models in the literature for absorption wavelength and extinction coefficient of the Soret band have low accuracy for this class of compounds. We collected spectral data for porphyrins to extend the literature set and compared the performance of global and local models for their modelling using different machine learning methods. Interestingly, extension of the public database contributed models with lower accuracies compared to the models, which we built using porphyrins only. The later model calculated acceptable RMSE = 2.61 for prediction of the absorption band of 335 porphyrins synthesized in our laboratory, but had a low accuracy (RMSE = 0.52) for extinction coefficient. A development of models using only compounds from our laboratory significantly decreased errors for these compounds (RMSE = 0.5 and 0.042 for absorption band and extinction coefficient, respectively), but limited their applicability only to these homologous series. When developing models, one should clearly keep in mind their potential use and select a strategy that could contribute the most accurate predictions for the target application. The models and data are publicly available.
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Affiliation(s)
- Aleksey I. Rusanov
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 153045 Ivanovo, Russia; (A.I.R.); (O.A.D.); (N.Z.M.)
| | - Olga A. Dmitrieva
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 153045 Ivanovo, Russia; (A.I.R.); (O.A.D.); (N.Z.M.)
| | - Nugzar Zh. Mamardashvili
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 153045 Ivanovo, Russia; (A.I.R.); (O.A.D.); (N.Z.M.)
| | - Igor V. Tetko
- G.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 153045 Ivanovo, Russia; (A.I.R.); (O.A.D.); (N.Z.M.)
- Helmholtz Munich, Institute of Structural Biology, Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH), D-85764 Neuherberg, Germany
- BIGCHEM GmbH, D-85716 Unterschleißheim, Germany
- Correspondence: ; Tel.: +49-89-3187-3575
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19
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Rusanov AI, Dmitrieva OA, Mamardashvili NZ, Tetko IV. More Is Not Always Better: Local Models Provide Accurate Predictions of Spectral Properties of Porphyrins. Int J Mol Sci 2022. [DOI: https:/doi.org/10.3390/ijms23031201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The development of new functional materials based on porphyrins requires fast and accurate prediction of their spectral properties. The available models in the literature for absorption wavelength and extinction coefficient of the Soret band have low accuracy for this class of compounds. We collected spectral data for porphyrins to extend the literature set and compared the performance of global and local models for their modelling using different machine learning methods. Interestingly, extension of the public database contributed models with lower accuracies compared to the models, which we built using porphyrins only. The later model calculated acceptable RMSE = 2.61 for prediction of the absorption band of 335 porphyrins synthesized in our laboratory, but had a low accuracy (RMSE = 0.52) for extinction coefficient. A development of models using only compounds from our laboratory significantly decreased errors for these compounds (RMSE = 0.5 and 0.042 for absorption band and extinction coefficient, respectively), but limited their applicability only to these homologous series. When developing models, one should clearly keep in mind their potential use and select a strategy that could contribute the most accurate predictions for the target application. The models and data are publicly available.
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20
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Chaimanee V, Kasem A, Nuanjohn T, Boonmee T, Siangsuepchart A, Malaithong W, Sinpoo C, Disayathanoowat T, Pettis JS. Natural extracts as potential control agents for Nosema ceranae infection in honeybees, Apis mellifera. J Invertebr Pathol 2021; 186:107688. [PMID: 34728218 DOI: 10.1016/j.jip.2021.107688] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 10/19/2021] [Accepted: 10/24/2021] [Indexed: 11/24/2022]
Abstract
Nosema disease is one factor that can cause colony decline in honeybees (Apis mellifera L.) worldwide. Nosema ceranae has outcompeted Nosema apis in the Western honeybee (A. mellifera) which is its original host. Fumagilin is an effective antibiotic treatment to control Nosema infection but currently it is forbidden in many countries. In this study, 12 plant extracts were evaluated for their toxicity to adult bees and antimicrosporidian activity under laboratory and field conditions. N. ceranae-infected adult bees were fed ad libitum with 50% sucrose solution containing 1% and 5% (w/v) of each plant extract. Bee mortality in N. ceranae-infected groups fed with plant extracts was higher than that in the control group treated with fumagilin. The results demonstrated that 9 of 12 extracts had high antimicrosporidian activity against N. ceranae and their efficacies were comparable to fumagilin. Spore reduction in infected bees was 4-6 fold less after extract treatment. Following laboratory screening, Annona squamosa, Ocimum basilicum, Psidium guajava and Syzygium jambos were tested in honeybee colonies. Plant extracts of 2% concentration (w/v) inhibited the development of Nosema spores after 30 days of treatment. At the end of experiment (90 days), spores in the plant extract treated groups were lower than in group treated with fumagilin but there was no significant difference. Although, extracts tested in this study showed high toxicity to bee in laboratory cages, they did not show negative affects on bees under whole colony conditions. Therefore, the effectiveness of plant extracts tested in this study was notable and warrants further study as potential Nosema control agents in honey bees. Plant extracts would offer a non-antibiotic alternative for Nosema control and help reduce the overuse of antibiotics in livestock.
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Affiliation(s)
- Veeranan Chaimanee
- Department of Agro-Industrial Biotechnology, Maejo University Phrae Campus, Rong Kwang, Phrae 54140, Thailand.
| | - Aticha Kasem
- Department of Agro-Industrial Biotechnology, Maejo University Phrae Campus, Rong Kwang, Phrae 54140, Thailand
| | - Tananya Nuanjohn
- Department of Agro-Industrial Biotechnology, Maejo University Phrae Campus, Rong Kwang, Phrae 54140, Thailand
| | - Thummanoon Boonmee
- Department of Agro-Industrial Biotechnology, Maejo University Phrae Campus, Rong Kwang, Phrae 54140, Thailand
| | - Apiradee Siangsuepchart
- Department of Agro-Industrial Biotechnology, Maejo University Phrae Campus, Rong Kwang, Phrae 54140, Thailand
| | - Worasin Malaithong
- Department of Animal Production, Maejo University Phrae Campus, Rong Kwang, Phrae 54140, Thailand
| | - Chainarong Sinpoo
- Bee Protection Laboratory, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Terd Disayathanoowat
- Bee Protection Laboratory, Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
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Mchiri C, Gassoumi B, Acherar S, Sh. El-Sharief MA, Nasri H. Synthesis, X-ray molecular structure and QTAIM and NCI-RDG theoretic studies of a new cadmium (II) (4′4 diaminodiphenylmethane) (meso-arylporphyrin) coordination compound. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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22
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Nosema bombycis microRNA-like RNA 8 (Nb-milR8) Increases Fungal Pathogenicity by Modulating BmPEX16 Gene Expression in Its Host, Bombyx mori. Microbiol Spectr 2021; 9:e0104821. [PMID: 34704799 PMCID: PMC8549759 DOI: 10.1128/spectrum.01048-21] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The fungus Nosema bombycis causes significant economic losses via parasitism of an economically important insect. MicroRNAs (miRNAs) play important roles in regulating host and parasite gene expression via mRNA degradation or by inhibiting protein translation. To investigate whether microRNA-like RNAs (milRNAs) regulate N. bombycis pathogenesis and to better understand the regulatory mechanisms underlying infection, we constructed small RNA libraries from N. bombycis hyphae during the schizont proliferation period. Eleven novel milRNAs were determined by RNA sequencing and stem-loop reverse transcriptase PCR (RT-PCR) assays. Moreover, a virulence-associated milRNA, Nb-milR8, was identified as critical for N. bombycis proliferation by binding and downregulating expression of its target gene, BmPEX16, in the host during infection. Silencing of Nb-milR8 or overexpression of the target BmPEX16 gene resulted in increased susceptibility of Bombyx mori to N. bombycis infection. Taken together, these results suggest that Nb-milR8 is an important virulence factor that acts as an effector to suppress host peroxidase metabolism, thereby facilitating N. bombycis proliferation. These results provide important novel insights into interactions between pathogenic fungi and their hosts. IMPORTANCE A thorough understanding of fungal pathogen adaptations is essential for treating fungal infections. Recent studies have suggested that the role of small RNAs expressed in fungal microsporidia genomes are important for elucidating the mechanisms of fungal infections. Here, we report 11 novel microRNA-like RNAs (milRNAs) from the fungal microsporidium Nosema bombycis and identified NB-milRNAs that adaptively regulate N. bombycis proliferation. In addition, we demonstrate that N. bombycis modulates small RNA (sRNA)-mediated infection by encoding an Nb-miR8 that downregulates the expression of the host peroxidase metabolism protein BmPEX16, which is essential for peroxisome membrane biogenesis and peroxisome assembly. These results significantly contribute to our understanding of the pathogenic mechanisms of fungi, and especially microsporidia, while providing important targets for genetical engineering-based treatment of microsporidia.
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Silva LB, Castro KADF, Botteon CEA, Oliveira CLP, da Silva RS, Marcato PD. Hybrid Nanoparticles as an Efficient Porphyrin Delivery System for Cancer Cells to Enhance Photodynamic Therapy. Front Bioeng Biotechnol 2021; 9:679128. [PMID: 34604182 PMCID: PMC8484888 DOI: 10.3389/fbioe.2021.679128] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/28/2021] [Indexed: 01/10/2023] Open
Abstract
Photodynamic therapy (PDT) is a potential non-invasive approach for application in oncological diseases, based on the activation of a photosensitizer (PS) by light at a specific wavelength in the presence of molecular oxygen to produce reactive oxygen species (ROS) that trigger the death tumor cells. In this context, porphyrins are interesting PS because they are robust, have high chemical, photo, thermal, and oxidative stability, and can generate singlet oxygen (1O2). However, porphyrins exhibit low solubility and a strong tendency to aggregate in a biological environment which limits their clinical application. To overcome these challenges, we developed hybrid nanostructures to immobilize 5,10,15,20-tetrakis[(4-carboxyphenyl) thio-2,3,5,6-tetrafluorophenyl] (P), a new third-generation PS. The biological effect of this system was evaluated against bladder cancer (BC) cells with or without light exposition. The nanostructure composed of lipid carriers coated by porphyrin-chitosan (P-HNP), presented a size of ca. 130 nm and low polydispersity (ca. 0.25). The presence of the porphyrin-chitosan (P-chitosan) on lipid nanoparticle surfaces increased the nanoparticle size, changed the zeta potential to positive, decreased the recrystallization index, and increased the thermal stability of nanoparticles. Furthermore, P-chitosan incorporation on nanoparticles increased the stability and enhanced the self-organization of the system and the formation of spherical structures, as observed by small-angle X-ray scattering (SAXS) analysis. Furthermore, the immobilization process maintained the P photoactivity and improved the photophysical properties of PS, minimizing its aggregation in the cell culture medium. In the photoinduction assays, the P-HNP displayed high phototoxicity with IC50 3.2-folds lower than free porphyrin. This higher cytotoxic effect can be correlated to the high cellular uptake of porphyrin immobilized, as observed by confocal images. Moreover, the coated nanoparticles showed mucoadhesive properties interesting to its application in vivo. Therefore, the physical and chemical properties of nanoparticles may be relevant to improve the porphyrin photodynamic activity in BC cells.
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Affiliation(s)
- Letícia B. Silva
- Department of Pharmaceutical Science, GNanoBio, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Kelly A. D. F. Castro
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Caroline E. A. Botteon
- Department of Pharmaceutical Science, GNanoBio, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | | | - Roberto S. da Silva
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Priscyla D. Marcato
- Department of Pharmaceutical Science, GNanoBio, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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Habib A, Serniabad S, Khan MS, Islam R, Chakraborty M, Nargis A, Quayum ME, Alam MA, rapozzi V, Tabata M. Kinetics and mechanism of formation of nickel(II)porphyrin and its interaction with DNA in aqueous medium. J CHEM SCI 2021; 133:83. [PMID: 34366601 PMCID: PMC8329907 DOI: 10.1007/s12039-021-01945-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 11/25/2022]
Abstract
Kinetics between 5,10,15,20-tetrakis(N-methylpyridium-4-yl)porphyrin and Ni2+ species were investigated in aqueous solution at 25 ±1 °C in I = 0.10 M (NaNO3). Speciation of Ni2+ was done in I = 0.10 M (NaNO3) for knowing distribution of Ni2+ species with solution pH. Experimental data were compared with speciation diagram constructed from the values of hydrolysis constants of Ni2+ ion. Speciation data showed that hexaaquanickel(II) ions took place in hydrolysis reactions through formation of [Ni(OH2)6-n(OH)n]2-n species with solution pH. According to speciation of Ni2+ and pH dependent rate constants, rate expression can be written as: d[Ni(TMPyP)4+]/dt = (k1[Ni2+(aq)] + k2[Ni(OH)+(aq)] + k3[Ni(OH)2o(aq)] + k4[Ni(OH)3-(aq)])[H2TMPyP4+], where k1, k2, k3 and k4 were found to be k1 = (0.62 ± 0.22) × 10-2; k2 = (3.60 ± 0.40) × 10-2; k3 = (2.09 ± 0.52) × 10-2, k4 = (0.53 ± 0.04) × 10-2 M-1s-1 at 25 ±1 °C, respectively. Formation of hydrogen bonding between [Ni(H2O)5(OH)]+ and [H2TMPyP]4+ causes enhanced reactivity. Rate of formation of [Ni(II)TMPyP]4+ complex was to be 3.99 × 10-2 M-1s-1 in I = 0.10 M, NaNO3 (25 ± 1 °C). UV-Vis and fluorescence data suggested that [Ni(II)TMPyP]4+ and [H2(TMPyP)]4+ interact with DNA via outside binding with self-stacking and intercalation, respectively. SYNOPSIS
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Affiliation(s)
- Ahsan Habib
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000 Bangladesh
| | - Salma Serniabad
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000 Bangladesh
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali, 3814 Bangladesh
| | - Mohammad Shamim Khan
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000 Bangladesh
| | - Rokayea Islam
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000 Bangladesh
| | - Mrittika Chakraborty
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000 Bangladesh
| | - Aklima Nargis
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000 Bangladesh
| | - Md Emran Quayum
- Department of Chemistry, Faculty of Science, University of Dhaka, Dhaka, 1000 Bangladesh
| | - Md Ashraful Alam
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali, 3814 Bangladesh
| | - Valentina rapozzi
- Department of Medicine, Udine University, P.le Kolbe 4, 33100 Udine, Italy
| | - Masaaki Tabata
- Department of Chemistry, Faculty of Science and Engineering, Saga University, 1, Honjo-machi, Saga, 840-8502 Japan
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25
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Pervin S, Shaha CK, Karmaker S, Saha TK. Conjugation of insulin-mimetic [meso-tetrakis(4-sulfonatophenyl)porphyrinato]zinc(II) with chitosan in aqueous solution: kinetics, equilibrium and thermodynamics. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-020-03331-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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26
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He N, Zhang Y, Duan XL, Li JH, Huang WF, Evans JD, DeGrandi-Hoffman G, Chen YP, Huang SK. RNA Interference-Mediated Knockdown of Genes Encoding Spore Wall Proteins Confers Protection against Nosema ceranae Infection in the European Honey Bee, Apis mellifera. Microorganisms 2021; 9:microorganisms9030505. [PMID: 33673613 PMCID: PMC7997338 DOI: 10.3390/microorganisms9030505] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/15/2021] [Accepted: 02/22/2021] [Indexed: 12/27/2022] Open
Abstract
Nosema ceranae (Opisthosporidia: Microsporidia) is an emergent intracellular parasite of the European honey bee (Apis mellifera) and causes serious Nosema disease which has been associated with worldwide honey bee colony losses. The only registered treatment for Nosema disease is fumagillin-b, and this has raised concerns about resistance and off-target effects. Fumagillin-B is banned from use in honey bee colonies in many countries, particularly in Europe. As a result, there is an urgent need for new and effective therapeutic options to treat Nosema disease in honey bees. An RNA interference (RNAi)-based approach can be a potent strategy for controlling diseases in honey bees. We explored the therapeutic potential of silencing the sequences of two N. ceranae encoded spore wall protein (SWP) genes by means of the RNAi-based methodology. Our study revealed that the oral ingestion of dsRNAs corresponding to SWP8 and SWP12 used separately or in combination could lead to a significant reduction in spore load, improve immunity, and extend the lifespan of N. ceranae-infected bees. The results from the work completed here enhance our understanding of honey bee host responses to microsporidia infection and highlight that RNAi-based therapeutics are a promising treatment for honey bee diseases.
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Affiliation(s)
- Nan He
- College of Animal Sciences (Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yi Zhang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guanzhou 510260, China
- U.S. Department of Agriculture-Agricultural Research Service Bee Research Laboratory, Beltsville, MD 20705, USA
| | - Xin Le Duan
- College of Animal Sciences (Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jiang Hong Li
- College of Animal Sciences (Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Wei-Fone Huang
- College of Animal Sciences (Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jay D Evans
- U.S. Department of Agriculture-Agricultural Research Service Bee Research Laboratory, Beltsville, MD 20705, USA
| | | | - Yan Ping Chen
- U.S. Department of Agriculture-Agricultural Research Service Bee Research Laboratory, Beltsville, MD 20705, USA
| | - Shao Kang Huang
- College of Animal Sciences (Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
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27
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The Herbal Supplements NOZEMAT HERB ® and NOZEMAT HERB PLUS ®: An Alternative Therapy for N. ceranae Infection and Its Effects on Honey Bee Strength and Production Traits. Pathogens 2021; 10:pathogens10020234. [PMID: 33669663 PMCID: PMC7922068 DOI: 10.3390/pathogens10020234] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/17/2021] [Accepted: 02/18/2021] [Indexed: 12/21/2022] Open
Abstract
Honey bees (Apis mellifera L.) are the most effective pollinators for different crops and wild flowering plants, thus maintaining numerous ecosystems in the world. However, honey bee colonies often suffer from stress or even death due to various pests and diseases. Among the latter, nosemosis is considered to be one of the most common diseases, causing serious damage to beekeeping every year. Here, we present, for the first time, the effects from the application of the herbal supplements NOZEMAT HERB® (NH) and NOZEMAT HERB PLUS® (NHP) for treating N. ceranae infection and positively influencing the general development of honey bee colonies. To achieve this, in autumn 2019, 45 colonies were selected based on the presence of N. ceranae infections. The treatment was carried out for 11 months (August 2019–June 2020). All colonies were sampled pre- and post-treatment for the presence of N. ceranae by means of light microscopy and PCR analysis. The honey bee colonies’ performance and health were evaluated pre- and post-treatment. The obtained results have shown that both supplements have exhibited statistically significant biological activity against N. ceranae in infected apiaries. Considerable enhancement in the strength of honey bee colonies and the amount of sealed workers was observed just one month after the application of NH and NHP. Although the mechanisms of action of NH and NHP against N. ceranae infection are yet to be completely elucidated, our results suggest a new holistic approach as an alternative therapy to control nosemosis and to improve honey bee colonies’ performance and health.
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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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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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Buczek K, Deryło K, Kutyła M, Rybicka-Jasińska K, Gryko D, Borsuk G, Rodzik B, Trytek M. Impact of Protoporphyrin Lysine Derivatives on the Ability of Nosema ceranae Spores to Infect Honeybees. INSECTS 2020; 11:insects11080504. [PMID: 32764215 PMCID: PMC7469180 DOI: 10.3390/insects11080504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 07/24/2020] [Accepted: 07/30/2020] [Indexed: 11/16/2022]
Abstract
Simple Summary Honeybees, which are important for the development and maintenance of natural ecosystems, are infected by microsporidia, Nosema apis and N. ceranae. These parasites induce a disease named nosemosis contributing to the impairment of digestion and nutrient absorption, ultimately leading to total colony collapse. The need for research into the control of N. ceranae has become increasingly important. Promising compounds for the treatment of nosemosis are porphyrins. In the present study, we examined the effects of three different porphyrins on the infectivity of N. ceranae microsporidia. A significantly lower level of infection was observed in the bees infected with the porphyrin-treated spores than in the control bees (infected with untreated spores). We showed that protoporphyrin lysine derivatives in particular prevented the development of Nosema spores and simultaneously extended bee life spans (up to 50%). The results also indicate that these porphyrins may contribute to the reduction in digestive nutrient absorption disorders in bees. The present findings can be used to develop a new class of drugs for combating nosemosis. These compounds may serve as preventive or disinfection agents through direct inactivation of Nosema both in the midgut and outside the host body, i.e., in the hive. Abstract The effect of two protoporphyrin IX derivatives conjugated with single (PP[Lys(TFA)-OH)]2) or double (PP[Lys(TFA)-Lys(TFA)-OH]2) lysine moieties on the infectious capacity of Nosema ceranae spores was examined, and their efficacies were compared with those of a cationic porphyrin (H2TTMePP). Honeybees were inoculated with spores preincubated with porphyrins or with untreated spores (control). A significantly lower level of infection was observed in the bees infected with the porphyrin-treated spores than in the infected control. Porphyrins 1 and 2 reduced the infectious capability of microsporidia more efficiently than porphyrin 3, with bee mortality declining to almost 50%. Confocal analysis of the midguts of infected bees revealed distinct differences in the number of spores between the control group and the group infected with PP[Lys(TFA)-Lys(TFA)-OH]2-treated spores. Notably, bees with a reduced level of infection consumed less sucrose syrup than the control bees, indicating a reduction in digestive disorders and an improvement in food absorption.
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Affiliation(s)
- Katarzyna Buczek
- Department of Industrial and Environmental Microbiology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (K.B.); (M.K.)
| | - Kamil Deryło
- Department of Molecular Biology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland;
| | - Mateusz Kutyła
- Department of Industrial and Environmental Microbiology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (K.B.); (M.K.)
| | - Katarzyna Rybicka-Jasińska
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland; (K.R.-J.); (D.G.)
| | - Dorota Gryko
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland; (K.R.-J.); (D.G.)
| | - Grzegorz Borsuk
- Institute of Biological Basis of Animal Production, Faculty of Biology, Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland;
| | - Beata Rodzik
- Department of Applied Mathematics, Faculty of Mathematics, Maria Curie-Skłodowska University, Plac Marii Curie-Skłodowskiej 1, 20-031 Lublin, Poland;
| | - Mariusz Trytek
- Department of Industrial and Environmental Microbiology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (K.B.); (M.K.)
- Correspondence: ; Tel.: +48-81-537-5933
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31
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Habib A, Islam R, Chakraborty M, Serniabad S, Khan MS, Qais DS, Quayum ME, Alam MA, Ismail IMI, Tabata M. Kinetics and mechanism of incorporation of zinc(II) into tetrakis(1-methylpyridium-4-yl)porphyrin in aqueous solution. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.06.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Burnham AJ, De Jong E, Jones JA, Lehman HK. North American Propolis Extracts From Upstate New York Decrease Nosema ceranae ( Microsporidia) Spore Levels in Honey Bees ( Apis mellifera). Front Microbiol 2020; 11:1719. [PMID: 32793168 PMCID: PMC7387503 DOI: 10.3389/fmicb.2020.01719] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 06/30/2020] [Indexed: 12/11/2022] Open
Abstract
Nosema ceranae infections in honey bees (Apis mellifera) pose a severe threat to colony health. Beekeepers have used dicyclohexylammonium fumagillin to control Nosema apis, although it may be ineffective against N. ceranae. We investigated the ability of various propolis extracts collected from Upstate New York (United States) to decrease in vivo N. ceranae infection levels when fed ad libitum to N. ceranae-infected honey bees. Propolis extracts, most notably a dichloromethane extract, significantly lowered spore levels in a dose-dependent fashion 4 days post inoculation. When testing the in vitro anti-Nosema activity of propolis extracts, we report for the first time that spore viability was unaffected after a 24 h exposure to propolis extracts. These results present evidence that propolis extracts may effectively lower Microsporidia infections in honey bees, and that direct exposure of environmental spores to propolis alone does not kill N. ceranae.
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Affiliation(s)
- Andre J Burnham
- Department of Biology, Hamilton College, Clinton, NY, United States.,Program in Biochemistry, Hamilton College, Clinton, NY, United States.,Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, United States
| | - Emily De Jong
- Department of Biology, Hamilton College, Clinton, NY, United States.,Program in Biochemistry, Hamilton College, Clinton, NY, United States
| | - Jayre A Jones
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, United States
| | - Herman K Lehman
- Department of Biology, Hamilton College, Clinton, NY, United States.,Program in Biochemistry, Hamilton College, Clinton, NY, United States.,Program in Neuroscience, Hamilton College, Clinton, NY, United States
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Buczek K, Trytek M, Deryło K, Borsuk G, Rybicka-Jasińska K, Gryko D, Cytryńska M, Tchórzewski M. Bioactivity studies of porphyrinoids against microsporidia isolated from honeybees. Sci Rep 2020; 10:11553. [PMID: 32665695 PMCID: PMC7360595 DOI: 10.1038/s41598-020-68420-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 06/22/2020] [Indexed: 01/08/2023] Open
Abstract
Microsporidian infections are dangerous to honeybees due to the absence of an efficient treatment for nosemosis. In the present work, the abilities of several porphyrins to directly inactivate microsporidia derived from Nosema-infected honeybees were studied in vitro. Amide derivatives of protoporphyrin IX (PPIX) conjugated with one and two amino acid moieties were synthesized, and their activities were compared with those of two cationic porphyrins, TMePyP and TTMePP. The most active porphyrins, PP[Lys-Asp]2, PP[Lys-TFA]2, PP[Asp(ONa)2]2 and PP[Lys-Lys]2 at concentrations as low as 10–50 µM exerted significant effects on microsporidia, reducing the number of spores by 67–80% compared to the control. Live-cell imaging of the spores treated with porphyrins showed that only 1.6% and 3.0% of spores remained alive after 24 h-incubation with 50 µM PP[Asp(ONa)2]2 and PP[Lys-Asp]2, respectively. The length of the amino acid side chains and their identity in the PPIX molecules affected the bioactivity of the porphyrin. Importantly, the irradiation of the porphyrins did not enhance their potency in destroying Nosema spores. We showed that the porphyrins accumulated inside the living spores but not inside dead spores, thus the destruction of the microsporidia by non-metallated porphyrins is not dependent on photosensitization, but is associated with their active transport into the spore cell. When administered to honeybees in vivo, PPIX[Lys-TFA]2 and PPIX[Lys-Lys]2 reduced spore loads by 69–76% in infected individuals. They both had no toxic effect on honeybees, in contrast to zinc-coordinated porphyrin.
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Affiliation(s)
- Katarzyna Buczek
- Department of Industrial and Environmental Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Mariusz Trytek
- Department of Industrial and Environmental Microbiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland.
| | - Kamil Deryło
- Department of Molecular Biology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Grzegorz Borsuk
- Institute of Biological Basis of Animal Production, Faculty of Biology, Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland
| | | | - Dorota Gryko
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
| | - Małgorzata Cytryńska
- Department of Immunobiology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Marek Tchórzewski
- Department of Molecular Biology, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
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Deda DK, Iglesias BA, Alves E, Araki K, Garcia CRS. Porphyrin Derivative Nanoformulations for Therapy and Antiparasitic Agents. Molecules 2020; 25:molecules25092080. [PMID: 32365664 PMCID: PMC7249045 DOI: 10.3390/molecules25092080] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/12/2022] Open
Abstract
Porphyrins and analogous macrocycles exhibit interesting photochemical, catalytic, and luminescence properties demonstrating high potential in the treatment of several diseases. Among them can be highlighted the possibility of application in photodynamic therapy and antimicrobial/antiparasitic PDT, for example, of malaria parasite. However, the low efficiency generally associated with their low solubility in water and bioavailability have precluded biomedical applications. Nanotechnology can provide efficient strategies to enhance bioavailability and incorporate targeted delivery properties to conventional pharmaceuticals, enhancing the effectiveness and reducing the toxicity, thus improving the adhesion to the treatment. In this way, those limitations can be overcome by using two main strategies: (1) Incorporation of hydrophilic substituents into the macrocycle ring while controlling the interaction with biological systems and (2) by including them in nanocarriers and delivery nanosystems. This review will focus on antiparasitic drugs based on porphyrin derivatives developed according to these two strategies, considering their vast and increasing applications befitting the multiple roles of these compounds in nature.
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Affiliation(s)
- Daiana K. Deda
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sao Paulo, Av. Prof. Lineu Prestes 748, Butanta, Sao Paulo, SP 05508-000, Brazil; (D.K.D.); (K.A.)
| | - Bernardo A. Iglesias
- Bioinorganic and Porphyrinoid Materials Laboratory, Department of Chemistry, Federal University of Santa Maria, Av. Roraima 1000, Camobi, Santa Maria, RS 97105-900, Brazil;
| | - Eduardo Alves
- Department of Life Science, Imperial College London, Sir Alexander Fleming Building, South Kensington, London SW7 2AZ, UK;
| | - Koiti Araki
- Department of Fundamental Chemistry, Institute of Chemistry, University of Sao Paulo, Av. Prof. Lineu Prestes 748, Butanta, Sao Paulo, SP 05508-000, Brazil; (D.K.D.); (K.A.)
| | - Celia R. S. Garcia
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580, Sao Paulo, SP 05508-900, Brazil
- Correspondence: ; Tel.: +55-11-2648-0954
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Mura A, Pusceddu M, Theodorou P, Angioni A, Floris I, Paxton RJ, Satta A. Propolis Consumption Reduces Nosema ceranae Infection of European Honey Bees ( Apis mellifera). INSECTS 2020; 11:insects11020124. [PMID: 32075232 PMCID: PMC7074184 DOI: 10.3390/insects11020124] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/04/2020] [Accepted: 02/13/2020] [Indexed: 12/14/2022]
Abstract
Nosema ceranae is a widespread obligate intracellular parasite of the ventriculus of many species of honey bee (Apis), including the Western honey bee Apis mellifera, in which it may lead to colony death. It can be controlled in A. mellifera by feeding the antibiotic fumagillin to a colony, though this product is toxic to humans and its use has now been banned in many countries, so in beekeeping, there exists a need for alternative and safe products effective against N. ceranae. Honeybees produce propolis from resinous substances collected from plants and use it to protect their nest from parasites and pathogens; propolis is thought to decrease the microbial load of the hive. We hypothesized that propolis might also reduce N. ceranae infection of individual bees and that they might consume propolis as a form of self-medication. To test these hypotheses, we evaluated the effects of an ethanolic extract of propolis administered orally on the longevity and spore load of experimentally N. ceranae-infected worker bees and also tested whether infected bees were more attracted to, and consumed a greater proportion of, a diet containing propolis in comparison to uninfected bees. Propolis extracts and ethanol (solvent control) increased the lifespan of N. ceranae-infected bees, but only propolis extract significantly reduced spore load. Our propolis extract primarily contained derivatives of caffeic acid, ferulic acid, ellagic acid and quercetin. Choice, scan sampling and food consumption tests did not reveal any preference of N. ceranae-infected bees for commercial candy containing propolis. Our research supports the hypothesis that propolis represents an effective and safe product to control N. ceranae but worker bees seem not to use it to self-medicate when infected with this pathogen.
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Affiliation(s)
- Alessandra Mura
- Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy; (A.M.); (M.P.); (I.F.)
| | - Michelina Pusceddu
- Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy; (A.M.); (M.P.); (I.F.)
| | - Panagiotis Theodorou
- General Zoology, Institute of Biology, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany; (P.T.); (R.J.P.)
| | - Alberto Angioni
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy;
| | - Ignazio Floris
- Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy; (A.M.); (M.P.); (I.F.)
| | - Robert J. Paxton
- General Zoology, Institute of Biology, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany; (P.T.); (R.J.P.)
| | - Alberto Satta
- Department of Agricultural Sciences, University of Sassari, 07100 Sassari, Italy; (A.M.); (M.P.); (I.F.)
- Correspondence: ; Tel.: +39-079229364; Fax: +39-079229329
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Borges D, Guzman-Novoa E, Goodwin PH. Control of the microsporidian parasite Nosema ceranae in honey bees (Apis mellifera) using nutraceutical and immuno-stimulatory compounds. PLoS One 2020; 15:e0227484. [PMID: 31923212 PMCID: PMC6953808 DOI: 10.1371/journal.pone.0227484] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 12/19/2019] [Indexed: 11/18/2022] Open
Abstract
Nosema ceranae is a microsporidian parasite that causes nosemosis in the honey bee (Apis mellifera). As alternatives to the antibiotic fumagillin, ten nutraceuticals (oregano oil, thymol, carvacrol, trans-cinnmaldehyde, tetrahydrocurcumin, sulforaphane, naringenin, embelin, allyl sulfide, hydroxytyrosol) and two immuno-stimulatory compounds (chitosan, poly I:C) were examined for controlling N. ceranae infections. Caged bees were inoculated with N. ceranae spores, and treatments were administered in sugar syrup. Only two compounds did not significantly reduce N. ceranae spore counts compared to the infected positive control, but the most effective were sulforaphane from cruciferous vegetables, carvacrol from oregano oil, and naringenin from citrus fruit. When tested at several concentrations, the highest sulforaphane concentration reduced spore counts by 100%, but also caused 100% bee mortality. For carvacrol, the maximum reduction in spore counts was 57% with an intermediate concentration and the maximum bee mortality was 23% with the highest concentration. For naringenin, the maximum reduction in spore counts was 64% with the highest concentration, and the maximum bee mortality was only 15% with an intermediate concentration. In the longevity experiment, naringenin-fed bees lived as long as Nosema-free control bees, both of which lived significantly longer than infected positive control bees. While its antimicrobial properties may be promising, reducing sulforaphane toxicity to bees is necessary before it can be considered as a candidate for controlling N. ceranae. Although further work on formulation is needed with naringenin, its effect on extending longevity in infected bees may give it an additional value as a potential additive for bee feed in honey bee colonies.
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Affiliation(s)
- Daniel Borges
- School of Environmental Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Ernesto Guzman-Novoa
- School of Environmental Sciences, University of Guelph, Guelph, Ontario, Canada
- * E-mail:
| | - Paul H. Goodwin
- School of Environmental Sciences, University of Guelph, Guelph, Ontario, Canada
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Natural Product Medicines for Honey Bees: Perspective and Protocols. INSECTS 2019; 10:insects10100356. [PMID: 31635365 PMCID: PMC6835950 DOI: 10.3390/insects10100356] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/07/2019] [Accepted: 10/08/2019] [Indexed: 12/15/2022]
Abstract
The western honey bee remains the most important pollinator for agricultural crops. Disease and stressors threaten honey bee populations and productivity during winter- and summertime, creating costs for beekeepers and negative impacts on agriculture. To combat diseases and improve overall bee health, researchers are constantly developing honey bee medicines using the tools of microbiology, molecular biology and chemistry. Below, we present a manifesto alongside standardized protocols that outline the development and a systematic approach to test natural products as ‘bee medicines’. These will be accomplished in both artificial rearing conditions and in colonies situated in the field. Output will be scored by gene expression data of host immunity, bee survivorship, reduction in pathogen titers, and more subjective merits of the compound in question. Natural products, some of which are already encountered by bees in the form of plant resins and nectar compounds, provide promising low-cost candidates for safe prophylaxis or treatment of bee diseases.
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Sulborska A, Horecka B, Cebrat M, Kowalczyk M, Skrzypek TH, Kazimierczak W, Trytek M, Borsuk G. Microsporidia Nosema spp. - obligate bee parasites are transmitted by air. Sci Rep 2019; 9:14376. [PMID: 31591451 PMCID: PMC6779873 DOI: 10.1038/s41598-019-50974-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 09/18/2019] [Indexed: 01/02/2023] Open
Abstract
Microsporidia Nosema are transferred among bees via the faecal-oral route. Nosema spp. spores have been detected on flowers and transferred to hives along with the bee pollen. The aim of the present study was to determine whether Nosema microsporidia are transferred by air in an apiary, in a control area (without the presence of bee colonies), and/or in a laboratory during cage experiments with artificially infected bees. The novel way of transmission by air was investigated by the volumetric method using a Hirst-type aerobiological sampler located on the ground in the apiary, in the Botanical Garden and on the laboratory floor. Concurrently, the mean rate of Nosema infections in the foragers in the apiary was estimated with the Bürker haemocytometer method. Spore-trapping tapes were imaged by means of light microscopy, Nomarski interference contrast microscopy and scanning electron microscopy. The highest concentration of Nosema spores per 1m3 of air (4.65) was recorded in August, while the lowest concentration (2.89) was noted in July. This was confirmed by a Real-Time PCR analysis. The presence of N. apis as well as N. ceranae was detected in each of the tested tapes from the apiary. The average copy number of N. apis was estimated at 14.4 × 104 copies per 1 cm2 of the tape; whereas the number of N. ceranae was 2.24 × 104 copies per tape per 1 cm2. The results indicate that Nosema microsporidia were transferred by the wind in the apiary, but not in the Botanical Garden and laboratory by air. This was confirmed by genetic analyses. DNA from immobilised biological material was isolated and subjected to a PCR to detect the Nosema species. A fragment of the 16S rRNA gene, characteristic of Nosema apis and N. ceranae, was detected. Our research adds knowledge about the transfer of Nosema spp. microsporidia in the natural environment and indicates the season associated with the greatest risk of a bee colony infection with Nosema spp.
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Affiliation(s)
- Aneta Sulborska
- Department of Botany, University of Life Sciences, Akademicka 15, 20-950, Lublin, Poland
| | - Beata Horecka
- Institute of Biological Basis of Animal Production; Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland
| | - Malgorzata Cebrat
- Laboratory of Molecular and Cellular Immunology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53-114, Wroclaw, Poland
| | - Marek Kowalczyk
- Institute of Biological Basis of Animal Production; Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland
| | - Tomasz H Skrzypek
- Laboratory of Confocal and Electron Microscopy, Department of Biotechnology and Environment Sciences Centre for Interdisciplinary Research, John Paul II Catholic University of Lublin, Al. Kraśnicka 102, 29-718, Lublin, Poland
| | - Waldemar Kazimierczak
- Faculty of Biotechnology and Environmental Sciences, Centre for Interdisciplinary Research, Laboratory of Biocontrol, Production and Application of EPN, John Paul II Catholic University of Lublin, Konstantynów 1J, 20-708, Lublin, Poland
| | - Mariusz Trytek
- Department of Industrial Microbiology, Institute of Microbiology and Biotechnology, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19, 20-033, Lublin, Poland
| | - Grzegorz Borsuk
- Institute of Biological Basis of Animal Production; Faculty of Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland.
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Burnham AJ. Scientific Advances in Controlling Nosema ceranae ( Microsporidia) Infections in Honey Bees ( Apis mellifera). Front Vet Sci 2019; 6:79. [PMID: 30931319 PMCID: PMC6428737 DOI: 10.3389/fvets.2019.00079] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 02/25/2019] [Indexed: 12/31/2022] Open
Abstract
Honey bees (Apis mellifera) are agriculturally important pollinators that have been recently at risk to severe colony losses. A variety of parasites and pathogens have been linked to colony decline, including the microsporidian parasite Nosema ceranae. While fumagillin has been used to control nosemosis in managed honey bee colonies for decades, research shows that this antibiotic poses a toxic threat and that its efficacy against N. ceranae is uncertain. There is certainly a demand for a new veterinary medication to treat honey bee colonies infected with N. ceranae. In this review, recent scientific advances in controlling N. ceranae infections in honey bees are summarized.
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Imran M, Ramzan M, Qureshi AK, Khan MA, Tariq M. Emerging Applications of Porphyrins and Metalloporphyrins in Biomedicine and Diagnostic Magnetic Resonance Imaging. BIOSENSORS-BASEL 2018; 8:bios8040095. [PMID: 30347683 PMCID: PMC6316340 DOI: 10.3390/bios8040095] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 10/16/2018] [Accepted: 10/17/2018] [Indexed: 12/23/2022]
Abstract
In recent years, scientific advancements have constantly increased at a significant rate in the field of biomedical science. Keeping this in view, the application of porphyrins and metalloporphyrins in the field of biomedical science is gaining substantial importance. Porphyrins are the most widely studied tetrapyrrole-based compounds because of their important roles in vital biological processes. The cavity of porphyrins containing four pyrrolic nitrogens is well suited for the binding majority of metal ions to form metalloporphyrins. Porphyrins and metalloporphyrins possess peculiar photochemical, photophysical, and photoredox properties which are tunable through structural modifications. Their beneficial photophysical properties, such as the long wavelength of emission and absorption, high singlet oxygen quantum yield, and low in vivo toxicity, have drawn scientists' interest to discover new dimensions in the biomedical field. Applications of porphyrins and metalloporphyrins have been pursued in the perspective of contrast agents for magnetic resonance imaging (MRI), photodynamic therapy (PDT) of cancer, bio-imaging, and other biomedical applications. This review discusses photophysics and the photochemistry of porphyrins and their metal complexes. Secondly, it explains the current developments and mode of action for contrast agents for MRI. Moreover, the application of porphyrin and metalloporphyrin-based molecules as a photosensitizer in PDT of cancer, the mechanism of the generation of reactive oxygen species (ROS), factors that determine the efficiency of PDT, and the developments to improve this technology are delineated. The last part explores the most recent research and developments on metalloporphyrin-based materials in bio-imaging, drug delivery, and the determination of ferrochelatase in bone marrow indicating their prospective clinical applications.
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Affiliation(s)
- Muhammad Imran
- Department of Chemistry, Baghdad-Ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
| | - Muhammad Ramzan
- Department of Physics, Baghdad-Ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
| | - Ahmad Kaleem Qureshi
- Department of Chemistry, Baghdad-Ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
| | - Muhammad Azhar Khan
- Department of Physics, Baghdad-Ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
| | - Muhammad Tariq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan.
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