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Zhu H, Liang X, Ding J, Wang J, Li P, Zhou W, Wang J, Wu FA, Sheng S. Transcriptome analysis and functional study of phospholipase A 2 in Galleria mellonella larvae lipid metabolism in response to envenomation by an ectoparasitoid, Iseropus kuwanae. INSECT SCIENCE 2024. [PMID: 39219288 DOI: 10.1111/1744-7917.13440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 07/07/2024] [Accepted: 07/16/2024] [Indexed: 09/04/2024]
Abstract
There is abundant evidence that parasitoids manipulate their hosts by envenomation to support the development and survival of their progeny before oviposition. However, the specific mechanism underlying host nutritional manipulation remains largely unclear. To gain a more comprehensive insight into the effects induced by the gregarious ectoparasitoid Iseropus kuwanae (Hymenoptera: Ichneumonidae) on the greater wax moth Galleria mellonella (Lepidoptera: Pyralidae) larvae, we sequenced the transcriptome of both non-envenomed and envenomed G. mellonella larvae, specifically targeting genes related to lipid metabolism. The present study revealed that 202 differentially expressed genes (DEGs) were identified and 9 DEGs were involved in lipid metabolism. The expression levels of these 9 DEGs relied on envenomation and the duration post-envenomation. Further, envenomation by I. kuwanae induced an increase in triglyceride (TG) level in the hemolymph of G. mellonella larvae. Furthermore, silencing GmPLA2 in G. mellonella larvae 24 h post-envenomation significantly decreased the content of 4 unsaturated fatty acids and TG levels in the hemolymph. The content of linoleic acid and α-linoleic acid were significantly decreased and the content of oleic acid was significantly increased by exogenous supplement of arachidonic acid. Meanwhile, the reduction in host lipid levels impairs the growth and development of wasp offspring. The present study provides valuable knowledge about the molecular mechanism of the nutritional interaction between parasitoids and their hosts and sheds light on the coevolution between parasitoids and host insects.
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Affiliation(s)
- Hanqi Zhu
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
| | - Xinhao Liang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
| | - Jianhao Ding
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
| | - Jinzheng Wang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
| | - Ping Li
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu, China
| | - Weihong Zhou
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu, China
| | - Jun Wang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu, China
| | - Fu-An Wu
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu, China
| | - Sheng Sheng
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
- Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu, China
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Lee KS, Kim BY, Park MJ, Deng Y, Kim JM, Kim YH, Heo EJ, Yoon HJ, Lee KY, Choi YS, Jin BR. Bee Venom Induces Acute Inflammation through a H2O2-Mediated System That Utilizes Superoxide Dismutase. Toxins (Basel) 2022; 14:toxins14080558. [PMID: 36006220 PMCID: PMC9414663 DOI: 10.3390/toxins14080558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/02/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022] Open
Abstract
Venoms from venomous arthropods, including bees, typically induce an immediate local inflammatory response; however, how venoms acutely elicit inflammatory response and which components induce an inflammatory response remain unknown. Moreover, the presence of superoxide dismutase (SOD3) in venom and its functional link to the acute inflammatory response has not been determined to date. Here, we confirmed that SOD3 in bee venom (bvSOD3) acts as an inducer of H2O2 production to promote acute inflammatory responses. In mouse models, exogenous bvSOD3 rapidly induced H2O2 overproduction through superoxides that are endogenously produced by melittin and phospholipase A2, which then upregulated caspase-1 activation and proinflammatory molecule secretion and promoted an acute inflammatory response. We also showed that the relatively severe noxious effect of bvSOD3 elevated a type 2 immune response and bvSOD3 immunization protected against venom-induced inflammation. Our findings provide a novel view of the mechanism underlying bee venom-induced acute inflammation and offer a new approach to therapeutic treatments for bee envenoming and bee venom preparations for venom therapy/immunotherapy.
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Affiliation(s)
- Kwang-Sik Lee
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
| | - Bo-Yeon Kim
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
| | - Min-Ji Park
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
| | - Yijie Deng
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
| | - Jin-Myung Kim
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
| | - Yun-Hui Kim
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
| | - Eun-Jee Heo
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
| | - Hyung-Joo Yoon
- Department of Agricultural Biology, National Academy of Agricultural Science, Wanju 55365, Korea
| | - Kyeong-Yong Lee
- Department of Agricultural Biology, National Academy of Agricultural Science, Wanju 55365, Korea
| | - Yong-Soo Choi
- Department of Agricultural Biology, National Academy of Agricultural Science, Wanju 55365, Korea
| | - Byung-Rae Jin
- Department of Applied Biology, College of Natural Resources and Life Science, Dong-A University, Busan 49315, Korea
- Correspondence: ; Tel.: +82-51-200-7594
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Lipolytic Activity of a Carboxylesterase from Bumblebee ( Bombus ignitus) Venom. Toxins (Basel) 2021; 13:toxins13040239. [PMID: 33810599 PMCID: PMC8065460 DOI: 10.3390/toxins13040239] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 11/16/2022] Open
Abstract
Bee venom is a complex mixture composed of peptides, proteins with enzymatic properties, and low-molecular-weight compounds. Although the carboxylesterase in bee venom has been identified as an allergen, the enzyme's role as a venom component has not been previously elucidated. Here, we show the lipolytic activity of a bumblebee (Bombus ignitus) venom carboxylesterase (BivCaE). The presence of BivCaE in the venom secreted by B. ignitus worker bees was confirmed using an anti-BivCaE antibody raised against a recombinant BivCaE protein produced in baculovirus-infected insect cells. The enzymatic activity of the recombinant BivCaE protein was optimal at 40 °C and pH 8.5. Recombinant BivCaE protein degrades triglycerides and exhibits high lipolytic activity toward long-chain triglycerides, defining the role of BivCaE as a lipolytic agent. Bee venom phospholipase A2 binds to mammalian cells and induces apoptosis, whereas BivCaE does not affect mammalian cells. Collectively, our data demonstrate that BivCaE functions as a lipolytic agent in bee venom, suggesting that BivCaE will be involved in distributing the venom via degradation of blood triglycerides.
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Md Abdullah AB, Lee DW, Jung J, Kim Y. Deletion mutant of sPLA 2 using CRISPR/Cas9 exhibits immunosuppression, developmental retardation, and failure of oocyte development in legume pod borer, Maruca vitrata. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 103:103500. [PMID: 31589887 DOI: 10.1016/j.dci.2019.103500] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/24/2019] [Accepted: 09/24/2019] [Indexed: 06/10/2023]
Abstract
Phospholipase A2 (PLA2) catalyzes release of free fatty acids linked to phospholipids at sn-2 position. Some of these released free fatty acids are used to synthesize eicosanoids that mediate various physiological processes in insects. Although a large number of PLA2s form a superfamily consisting of at least 16 groups, few PLA2s have been identified and characterized in insects. Furthermore, physiological functions of insect PLA2s remain unclear. Clustered regularly interspaced short parlindromic repeats/CRISPR-associated protein 9 (CRISPR/Cas9) has been a useful research tool to validate gene function. This study identified and characterized a secretory PLA2 (sPLA2) from legume pod borer, Maruca vitrata (Lepidoptera: Crambidae), and validated its physiological functions using CRISPR/Cas9. An open reading frame of M. vitrata sPLA2 (Mv-sPLA2) encoding 192 amino acids contained signal peptide, calcium-binding domain, and catalytic site. Phylogenetic analysis indicated that Mv-sPLA2 was related to other Group III sPLA2s. Mv-sPLA2 was expressed in both larval and adult stages. It was inducible by immune challenge. RNA interference (RNAi) of Mv-sPLA2 significantly suppressed cellular immunity and impaired larval development. Furthermore, RNAi treatment in female adults prevented oocyte development. These physiological alterations were also observed in a mutant line of M. vitrata with Mv-sPLA2 deleted by using CRISPR/Cas9. Mv-sPLA2 was not detected in the mutant line from western blot analysis. Addition of an eicosanoid, PGE2, significantly rescued oocyte development of females of the mutant line. These results suggest that Mv-sPLA2 plays crucial role in immune, developmental, and reproductive processes of M. vitrata.
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Affiliation(s)
- Al Baki Md Abdullah
- Department of Plant Medicals, Andong National University, Andong, 36729, South Korea
| | - Dae-Weon Lee
- School of Chemistry and Life Sciences, Kyungsung University, Busan, 48434, South Korea
| | - Jinkyo Jung
- Division of Crop Cultivation and Environment Research, Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon, 16429, South Korea
| | - Yonggyun Kim
- Department of Plant Medicals, Andong National University, Andong, 36729, South Korea.
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Perez-Riverol A, Lasa AM, Dos Santos-Pinto JRA, Palma MS. Insect venom phospholipases A1 and A2: Roles in the envenoming process and allergy. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2019; 105:10-24. [PMID: 30582958 DOI: 10.1016/j.ibmb.2018.12.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 12/10/2018] [Accepted: 12/18/2018] [Indexed: 06/09/2023]
Abstract
Insect venom phospholipases have been identified in nearly all clinically relevant social Hymenoptera, including bees, wasps and ants. Among other biological roles, during the envenoming process these enzymes cause the disruption of cellular membranes and induce hypersensitive reactions, including life threatening anaphylaxis. While phospholipase A2 (PLA2) is a predominant component of bee venoms, phospholipase A1 (PLA1) is highly abundant in wasps and ants. The pronounced prevalence of IgE-mediated reactivity to these allergens in sensitized patients emphasizes their important role as major elicitors of Hymenoptera venom allergy (HVA). PLA1 and -A2 represent valuable marker allergens for differentiation of genuine sensitizations to bee and/or wasp venoms from cross-reactivity. Moreover, in massive attacks, insect venom phospholipases often cause several pathologies that can lead to fatalities. This review summarizes the available data related to structure, model of enzymatic activity and pathophysiological roles during envenoming process of insect venom phospholipases A1 and -A2.
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Affiliation(s)
- Amilcar Perez-Riverol
- Center of the Study of Social Insects, Department of Biology, Institute of Biosciences of Rio Claro, São Paulo State University (UNESP), Rio Claro, SP, 13500, Brazil
| | - Alexis Musacchio Lasa
- Center for Genetic Engineering and Biotechnology, Biomedical Research Division, Department of System Biology, Ave. 31, e/158 and 190, P.O. Box 6162, Cubanacan, Playa, Havana, 10600, Cuba
| | - José Roberto Aparecido Dos Santos-Pinto
- Center of the Study of Social Insects, Department of Biology, Institute of Biosciences of Rio Claro, São Paulo State University (UNESP), Rio Claro, SP, 13500, Brazil
| | - Mario Sergio Palma
- Center of the Study of Social Insects, Department of Biology, Institute of Biosciences of Rio Claro, São Paulo State University (UNESP), Rio Claro, SP, 13500, Brazil.
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6
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Vatanparast M, Ahmed S, Herrero S, Kim Y. A non-venomous sPLA 2 of a lepidopteran insect: Its physiological functions in development and immunity. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 89:83-92. [PMID: 30107251 DOI: 10.1016/j.dci.2018.08.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 08/08/2018] [Accepted: 08/10/2018] [Indexed: 06/08/2023]
Abstract
Eicosanoids are oxygenated C20 polyunsaturated fatty acids that mediate various physiological processes in insects. Eicosanoid biosynthesis begins with a C20 precursor, arachidonic acid (5,8,11,14-eicosatetraenoic acid: AA). AA is usually released from phospholipids at sn-2 position by catalytic activity of phospholipase A2 (PLA2). Although various PLA2s classified into 16 gene families (= Groups) are known in various biological systems, few PLA2s are known in insects. Only two PLA2s involved in intracellular calcium independent PLA2 (iPLA2) group have been identified in lepidopteran insects with well known eicosanoid physiology. This study reports the first secretory PLA2 (sPLA2) in lepidopteran insects. A partial open reading frame (ORF) of PLA2 was obtained by interrogating Spodoptera exigua transcriptome. Subsequent 3'-RACE resulted in a full ORF (Se-sPLA2A) encoding 194 amino acid sequence containing signal peptide, calcium-binding domain, and catalytic site. Phylogenetic analysis indicated that Se-sPLA2A was clustered with other Group III sPLA2s. Se-sPLA2A was expressed in most larval instars except late last instar. Its expression was inducible by immune challenge and juvenile hormone analog injection. RNA interference of Se-sPLA2A significantly suppressed cellular immunity and impaired larval development. These results suggest that non-venomous sPLA2 plays a crucial role in immune and developmental processes in S. exigua, a lepidopteran insect.
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Affiliation(s)
- Mohammad Vatanparast
- Department of Plant Medicals, Andong National University, Andong, 36729, South Korea
| | - Shabbir Ahmed
- Department of Plant Medicals, Andong National University, Andong, 36729, South Korea
| | - Salvador Herrero
- Department of Genetics, Universitat de València, Dr Moliner 50, 46100, Burjassot, Valencia, Spain
| | - Yonggyun Kim
- Department of Plant Medicals, Andong National University, Andong, 36729, South Korea.
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7
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dos Santos-Pinto JRA, Perez-Riverol A, Lasa AM, Palma MS. Diversity of peptidic and proteinaceous toxins from social Hymenoptera venoms. Toxicon 2018; 148:172-196. [DOI: 10.1016/j.toxicon.2018.04.029] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/24/2018] [Accepted: 04/25/2018] [Indexed: 12/20/2022]
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8
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Aili SR, Touchard A, Petitclerc F, Dejean A, Orivel J, Padula MP, Escoubas P, Nicholson GM. Combined Peptidomic and Proteomic Analysis of Electrically Stimulated and Manually Dissected Venom from the South American Bullet Ant Paraponera clavata. J Proteome Res 2017; 16:1339-1351. [DOI: 10.1021/acs.jproteome.6b00948] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Samira R. Aili
- Neurotoxin
Research Group, School of Life Sciences, University of Technology Sydney, New South Wales 2007, Australia
| | - Axel Touchard
- CNRS,
UMR Ecologie des Forêts de Guyane (EcoFoG), AgroParisTech,
Cirad, INRA, Université des Antilles, Université de Guyane, Université des Antilles, 97310 Kourou, France
| | - Frédéric Petitclerc
- CNRS,
UMR Ecologie des Forêts de Guyane (EcoFoG), AgroParisTech,
Cirad, INRA, Université des Antilles, Université de Guyane, Université des Antilles, 97310 Kourou, France
| | - Alain Dejean
- CNRS,
UMR Ecologie des Forêts de Guyane (EcoFoG), AgroParisTech,
Cirad, INRA, Université des Antilles, Université de Guyane, Université des Antilles, 97310 Kourou, France
- Ecolab, Université de Toulouse, CNRS, INPT, UPS, 31400 Toulouse, France
| | - Jérôme Orivel
- CNRS,
UMR Ecologie des Forêts de Guyane (EcoFoG), AgroParisTech,
Cirad, INRA, Université des Antilles, Université de Guyane, Université des Antilles, 97310 Kourou, France
| | - Matthew P. Padula
- Proteomics
Core Facility, Faculty of Science, University of Technology Sydney, New South Wales 2007, Australia
| | - Pierre Escoubas
- VenomeTech, 473 Route des Dolines — Villa
3, Valbonne 06560, France
| | - Graham M. Nicholson
- Neurotoxin
Research Group, School of Life Sciences, University of Technology Sydney, New South Wales 2007, Australia
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Park Y, Kumar S, Kanumuri R, Stanley D, Kim Y. A novel calcium-independent cellular PLA2 acts in insect immunity and larval growth. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2015; 66:13-23. [PMID: 26429672 DOI: 10.1016/j.ibmb.2015.09.012] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 09/23/2015] [Accepted: 09/25/2015] [Indexed: 06/05/2023]
Abstract
Phospholipase A2 (PLA2) catalyzes the position-specific hydrolysis of fatty acids linked to the sn-2 position of phospholipids (PLs). PLA2s make up a very large superfamily, with more than known 15 groups, classified into secretory PLA2 (sPLA2), Ca(2+)-dependent cellular PLA2 (sPLA2) and Ca(2+)-independent cellular PLA2 (iPLA2). Only a few insect sPLA2s, expressed in venom glands and immune tissues, have been characterized at the molecular level. This study aimed to test our hypothesis that insects express iPLA2, using the beet armyworm, Spodoptera exigua, our model insect. Substantial PLA2 activities under calcium-free condition were recorded in several larval tissue preparations. The PLA2 activity was significantly reduced in reactions conducted in the presence of a specific iPLA2 inhibitor, bromoenol lactone (BEL). Analysis of a S. exigua hemocyte transcriptome identified a candidate iPLA2 gene (SeiPLA2-A). The open reading frame encoded 816 amino acid residues with a predicted molecular weight of 90.5 kDa and 6.15 pI value. Our phylogenetic analysis clustered SeiPLA2-A with the other vertebrate iPLA2s. SeiPLA2-A was expressed in all tissues we examined, including hemocytes, fat body, midgut, salivary glands, Malpighian tubules and epidermis. Heterologous expression in Sf9 cells indicated that SeiPLA2-A was localized in cytoplasm and exhibited significant PLA2 activity, which was independent of Ca(2+) and inhibited by BEL. RNA interference (RNAi) of SeiPLA2-A using its specific dsRNA in the fifth instar larvae significantly suppressed iPLA2 expression and enzyme activity. dsSeiPLA2-A-treated larvae exhibited significant loss of cellular immune response, measured as nodule formation in response to bacterial challenge, and extended larval-to-pupal developmental time. These results support our hypothesis, showing that SeiPLA2-A predicted from the transcriptome analysis catalyzes hydrolysis of fatty acids from cellular PLs and plays crucial physiological roles in insect immunity and larval growth.
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Affiliation(s)
- Youngjin Park
- Department of Bioresource Sciences, Andong National University, Andong 760-749, Republic of Korea
| | - Sunil Kumar
- Department of Bioresource Sciences, Andong National University, Andong 760-749, Republic of Korea
| | - Rahul Kanumuri
- Department of Bioresource Sciences, Andong National University, Andong 760-749, Republic of Korea
| | - David Stanley
- Biological Control of Insects Research Laboratory, USDA/Agricultural Research Service, 1503 Providence Rd., Columbia, MO 65203, USA
| | - Yonggyun Kim
- Department of Bioresource Sciences, Andong National University, Andong 760-749, Republic of Korea.
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Perez-Riverol A, Justo-Jacomini DL, Zollner RDL, Brochetto-Braga MR. Facing Hymenoptera Venom Allergy: From Natural to Recombinant Allergens. Toxins (Basel) 2015; 7:2551-70. [PMID: 26184309 PMCID: PMC4516928 DOI: 10.3390/toxins7072551] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Revised: 05/16/2015] [Accepted: 06/23/2015] [Indexed: 12/30/2022] Open
Abstract
Along with food and drug allergic reactions, a Hymenoptera insect Sting (Apoidea, Vespidae, Formicidae) is one of the most common causes of anaphylaxis worldwide. Diagnoses of Hymenoptera venom allergy (HVA) and specific immunotherapy (SIT) have been based on the use of crude venom extracts. However, the incidence of cross-reactivity and low levels of sensibility during diagnosis, as well as the occurrence of nonspecific sensitization and undesired side effects during SIT, encourage the search for novel allergenic materials. Recombinant allergens are an interesting approach to improve allergy diagnosis and SIT because they circumvent major problems associated with the use of crude venom. Production of recombinant allergens depends on the profound molecular characterization of the natural counterpart by combining some “omics” approaches with high-throughput screening techniques and the selection of an appropriate system for heterologous expression. To date, several clinically relevant allergens and novel venom toxins have been identified, cloned and characterized, enabling a better understanding of the whole allergenic and envenoming processes. Here, we review recent findings on identification, molecular characterization and recombinant expression of Hymenoptera venom allergens and on the evaluation of these heterologous proteins as valuable tools for tackling remaining pitfalls on HVA diagnosis and immunotherapy.
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Affiliation(s)
- Amilcar Perez-Riverol
- Laboratório de Biologia Molecular de Artrópodes-LBMA-IB-RC-UNESP (Univ Estadual Paulista), Av. 24-A, n_ 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil.
| | - Débora Lais Justo-Jacomini
- Laboratório de Biologia Molecular de Artrópodes-LBMA-IB-RC-UNESP (Univ Estadual Paulista), Av. 24-A, n_ 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil.
| | - Ricardo de Lima Zollner
- Laboratório de Imunologia e Alergia Experimental-LIAE, Departamento de Clínica Médica, Faculdade de Ciências Médicas, FCM, Universidade Estadual de Campinas-UNICAMP, Rua Tessália Vieira de Camargo n_ 126, Cidade Universitária "Zeferino Vaz", Campinas 13083-887, SP, Brazil.
| | - Márcia Regina Brochetto-Braga
- Laboratório de Biologia Molecular de Artrópodes-LBMA-IB-RC-UNESP (Univ Estadual Paulista), Av. 24-A, n_ 1515, Bela Vista, Rio Claro 13506-900, SP, Brazil.
- Centro de Estudos de Venenos e Animais Peçonhentos-CEVAP (Univ Estadual Paulista), Rua José Barbosa de Barros, 1780, Fazenda Experimental Lageado, Botucatu 18610-307, SP, Brazil.
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11
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Van Vaerenbergh M, Debyser G, Smagghe G, Devreese B, de Graaf DC. Unraveling the venom proteome of the bumblebee (Bombus terrestris) by integrating a combinatorial peptide ligand library approach with FT-ICR MS. Toxicon 2015; 102:81-8. [PMID: 26071081 DOI: 10.1016/j.toxicon.2013.10.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Revised: 09/12/2013] [Accepted: 10/02/2013] [Indexed: 01/19/2023]
Abstract
Within the Apidae, the largest family of bees with over 5600 described species, the honeybee is the sole species with a well studied venom proteome. So far, only little research has focused on bumblebee venom. Recently, the genome sequence of the European large earth bumblebee (Bombus terrestris) became available and this allowed the first in-depth proteomic analysis of its venom composition. We identified 57 compounds, with 52 of them never described in bumblebee venom. Remarkably, 72% of the detected compounds were found to have a honeybee venom homolog, which reflects the similar defensive function of both venoms and the high degree of homology between both genomes. However, both venoms contain a selection of species-specific toxins, revealing distinct damaging effects that may have evolved in response to species-specific attackers. Further, this study extends the list of potential venom allergens. The availability of both the honeybee and bumblebee venom proteome may help to develop a strategy that solves the current issue of false double sensitivity in allergy diagnosis, which is caused by cross-reactivity between both venoms. A correct diagnosis is important as it is recommended to perform an immunotherapy with venom of the culprit species.
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Affiliation(s)
| | - Griet Debyser
- Laboratory of Protein Biochemistry and Biomolecular Engineering, Ghent University, K.L. Ledeganckstraat 35, B-9000 Ghent, Belgium
| | - Guy Smagghe
- Laboratory of Agrozoology, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Bart Devreese
- Laboratory of Protein Biochemistry and Biomolecular Engineering, Ghent University, K.L. Ledeganckstraat 35, B-9000 Ghent, Belgium
| | - Dirk C de Graaf
- Laboratory of Zoophysiology, Ghent University, Krijgslaan 281, S2, B-9000 Ghent, Belgium
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12
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A phospholipase A2 gene is linked to Jack bean urease toxicity in the Chagas' disease vector Rhodnius prolixus. Biochim Biophys Acta Gen Subj 2014; 1840:396-405. [DOI: 10.1016/j.bbagen.2013.09.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2013] [Revised: 07/26/2013] [Accepted: 09/11/2013] [Indexed: 01/10/2023]
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13
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Qiu Y, Lee KS, Choo YM, Kong D, Yoon HJ, Jin BR. Molecular cloning and antifibrinolytic activity of a serine protease inhibitor from bumblebee (Bombus terrestris) venom. Toxicon 2012; 63:1-6. [PMID: 23164714 DOI: 10.1016/j.toxicon.2012.11.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2012] [Revised: 09/08/2012] [Accepted: 11/06/2012] [Indexed: 10/27/2022]
Abstract
Bumblebee (Bombus spp.) venom contains a variety of components, including bombolitin, phospholipase A(2) (PLA(2)), serine proteases, and serine protease inhibitors. In this study, we identified a bumblebee (Bombus terrestris) venom serine protease inhibitor (Bt-KTI) that acts as a plasmin inhibitor. Bt-KTI consists of a 58-amino acid mature peptide that displays features consistent with snake venom Kunitz-type inhibitors, including six conserved cysteine residues and a P1 site. Recombinant Bt-KTI was expressed as a 6.5-kDa peptide in baculovirus-infected insect cells. The recombinant peptide demonstrated properties similar to Kunitz-type trypsin inhibitors. Bt-KTI showed no detectable inhibitory effects on factor Xa, thrombin, or tissue plasminogen activator; however, Bt-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent. These findings demonstrate the antifibrinolytic role of Bt-KTI as a plasmin inhibitor.
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Affiliation(s)
- Yuling Qiu
- College of Natural Resources and Life Science, Dong-A University, Busan 604-714, Republic of Korea
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Qiu Y, Yoon HJ, Jin BR. Molecular Cloning and Characterization of Chymotrypsin Inhibitor and Chitin-Binding Protein Homologs from the Bumblebee Bombus terrestris. ACTA ACUST UNITED AC 2012. [DOI: 10.7852/ijie.2012.25.1.115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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15
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Antifibrinolytic role of a bee venom serine protease inhibitor that acts as a plasmin inhibitor. PLoS One 2012; 7:e32269. [PMID: 22359676 PMCID: PMC3281132 DOI: 10.1371/journal.pone.0032269] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Accepted: 01/24/2012] [Indexed: 11/19/2022] Open
Abstract
Bee venom is a rich source of pharmacologically active substances. In this study, we identified a bumblebee (Bombus ignitus) venom Kunitz-type serine protease inhibitor (Bi-KTI) that acts as a plasmin inhibitor. Bi-KTI showed no detectable inhibitory effect on factor Xa, thrombin, or tissue plasminogen activator. In contrast, Bi-KTI strongly inhibited plasmin, indicating that it acts as an antifibrinolytic agent; however, this inhibitory ability was two-fold weaker than that of aprotinin. The fibrin(ogen)olytic activities of B. ignitus venom serine protease (Bi-VSP) and plasmin in the presence of Bi-KTI indicate that Bi-KTI targets plasmin more specifically than Bi-VSP. These findings demonstrate a novel mechanism by which bumblebee venom affects the hemostatic system through the antifibrinolytic activity of Bi-KTI and through Bi-VSP-mediated fibrin(ogen)olytic activities, raising interest in Bi-KTI and Bi-VSP as potential clinical agents.
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Qiu Y, Choo YM, Yoon HJ, Jia J, Cui Z, Wang D, Kim DH, Sohn HD, Jin BR. Fibrin(ogen)olytic activity of bumblebee venom serine protease. Toxicol Appl Pharmacol 2011; 255:207-13. [PMID: 21763709 DOI: 10.1016/j.taap.2011.06.020] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2011] [Revised: 06/22/2011] [Accepted: 06/23/2011] [Indexed: 11/28/2022]
Abstract
Bee venom is a rich source of pharmacologically active components; it has been used as an immunotherapy to treat bee venom hypersensitivity, and venom therapy has been applied as an alternative medicine. Here, we present evidence that the serine protease found in bumblebee venom exhibits fibrin(ogen)olytic activity. Compared to honeybee venom, bumblebee venom contains a higher content of serine protease, which is one of its major components. Venom serine proteases from bumblebees did not cross-react with antibodies against the honeybee venom serine protease. We provide functional evidence indicating that bumblebee (Bombus terrestris) venom serine protease (Bt-VSP) acts as a fibrin(ogen)olytic enzyme. Bt-VSP activates prothrombin and directly degrades fibrinogen into fibrin degradation products. However, Bt-VSP is not a plasminogen activator, and its fibrinolytic activity is less than that of plasmin. Taken together, our results define roles for Bt-VSP as a prothrombin activator, a thrombin-like protease, and a plasmin-like protease. These findings offer significant insight into the allergic reaction sequence that is initiated by bee venom serine protease and its potential usefulness as a clinical agent in the field of hemostasis and thrombosis.
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Affiliation(s)
- Yuling Qiu
- College of Natural Resources and Life Science, Dong-A University, Busan 604-714, Republic of Korea
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Xu Q, Zou Q, Zheng H, Zhang F, Tang B, Wang S. Three heat shock proteins from Spodoptera exigua: Gene cloning, characterization and comparative stress response during heat and cold shocks. Comp Biochem Physiol B Biochem Mol Biol 2011; 159:92-102. [DOI: 10.1016/j.cbpb.2011.02.005] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Revised: 02/22/2011] [Accepted: 02/24/2011] [Indexed: 01/24/2023]
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Undheim EAB, King GF. On the venom system of centipedes (Chilopoda), a neglected group of venomous animals. Toxicon 2011; 57:512-24. [PMID: 21255597 DOI: 10.1016/j.toxicon.2011.01.004] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2010] [Revised: 12/08/2010] [Accepted: 01/11/2011] [Indexed: 12/16/2022]
Abstract
Centipedes are among the oldest extant terrestrial arthropods and are an ecologically important group of soil and leaf litter predators. Despite their abundance and frequent, often painful, encounters with humans, little is known about the venom and venom apparatus of centipedes, although it is apparent that these are both quite different from other venomous lineages. The venom gland can be regarded as an invaginated cuticle and epidermis, consisting of numerous epithelial secretory units each with its own unique valve-like excretory system. The venom contains several different enzymes, but is strikingly different to most other arthropods in that metalloproteases appear to be important. Myotoxic, cardiotoxic, and neurotoxic activities have been described, most of which have been attributed to high molecular weight proteins. Neurotoxic activities are also unusual in that G-protein coupled receptors often seem to be involved, either directly as targets of neurotoxins or indirectly by activating endogenous agonists. These relatively slow responses may be complemented by the rapid effects caused by histamines present in the venom and from endogenous release of histamines induced by venom cytotoxins. The differences probably reflect the ancient and independent evolutionary history of the centipede venom system, although they may also be somewhat exaggerated by the paucity of information available on this largely neglected group.
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Affiliation(s)
- Eivind A B Undheim
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Queensland 4072, Australia.
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Molecular cloning and antimicrobial activity of bombolitin, a component of bumblebee Bombus ignitus venom. Comp Biochem Physiol B Biochem Mol Biol 2010; 156:168-73. [DOI: 10.1016/j.cbpb.2010.03.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2010] [Revised: 03/15/2010] [Accepted: 03/15/2010] [Indexed: 11/22/2022]
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Choo YM, Lee KS, Yoon HJ, Kim BY, Sohn MR, Roh JY, Je YH, Kim NJ, Kim I, Woo SD, Sohn HD, Jin BR. Dual function of a bee venom serine protease: prophenoloxidase-activating factor in arthropods and fibrin(ogen)olytic enzyme in mammals. PLoS One 2010; 5:e10393. [PMID: 20454652 PMCID: PMC2862700 DOI: 10.1371/journal.pone.0010393] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2010] [Accepted: 04/08/2010] [Indexed: 12/04/2022] Open
Abstract
Bee venom contains a variety of peptides and enzymes, including serine proteases. While the presence of serine proteases in bee venom has been demonstrated, the role of these proteins in bee venom has not been elucidated. Furthermore, there is currently no information available regarding the melanization response or the fibrin(ogen)olytic activity of bee venom serine protease, and the molecular mechanism of its action remains unknown. Here we show that bee venom serine protease (Bi-VSP) is a multifunctional enzyme. In insects, Bi-VSP acts as an arthropod prophenoloxidase (proPO)-activating factor (PPAF), thereby triggering the phenoloxidase (PO) cascade. Bi-VSP injected through the stinger induces a lethal melanization response in target insects by modulating the innate immune response. In mammals, Bi-VSP acts similarly to snake venom serine protease, which exhibits fibrin(ogen)olytic activity. Bi-VSP activates prothrombin and directly degrades fibrinogen into fibrin degradation products, defining roles for Bi-VSP as a prothrombin activator, a thrombin-like protease, and a plasmin-like protease. These findings provide a novel view of the mechanism of bee venom in which the bee venom serine protease kills target insects via a melanization strategy and exhibits fibrin(ogen)olytic activity.
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Affiliation(s)
- Young Moo Choo
- College of Natural Resources and Life Science, Dong-A University, Busan, Korea
| | - Kwang Sik Lee
- College of Natural Resources and Life Science, Dong-A University, Busan, Korea
| | - Hyung Joo Yoon
- Department of Agricultural Biology, National Academy of Agricultural Science, Suwon, Korea
| | - Bo Yeon Kim
- College of Natural Resources and Life Science, Dong-A University, Busan, Korea
| | - Mi Ri Sohn
- College of Natural Resources and Life Science, Dong-A University, Busan, Korea
| | - Jong Yul Roh
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Korea
| | - Yeon Ho Je
- Department of Agricultural Biotechnology, Seoul National University, Seoul, Korea
| | - Nam Jung Kim
- Department of Agricultural Biology, National Academy of Agricultural Science, Suwon, Korea
| | - Iksoo Kim
- Department of Agricultural Biology, Chonnam National University, Gwangju, Korea
| | - Soo Dong Woo
- Department of Plant Medicine, Chungbuk National University, Cheongju, Korea
| | - Hung Dae Sohn
- College of Natural Resources and Life Science, Dong-A University, Busan, Korea
| | - Byung Rae Jin
- College of Natural Resources and Life Science, Dong-A University, Busan, Korea
- * E-mail:
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