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Zhao L, Ma T, Wang X, Wang H, Liu Y, Wu S, Fu L, Gilissen L, van Ree R, Wang X, Gao Z. Food-Pollen Cross-Reactivity and its Molecular Diagnosis in China. Curr Allergy Asthma Rep 2024:10.1007/s11882-024-01162-w. [PMID: 38976200 DOI: 10.1007/s11882-024-01162-w] [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] [Accepted: 06/26/2024] [Indexed: 07/09/2024]
Abstract
PURPOSE OF REVIEW Plant-derived foods are one of the most common causative sources of food allergy in China, with a significant relationship to pollinosis. This review aims to provide a comprehensive overview of this food-pollen allergy syndrome and its molecular allergen diagnosis to better understand the cross-reactive basis. RECENT FINDINGS Food-pollen cross-reactivity has been mainly reported in Northern China, Artemisia pollen is the major related inhalant source, followed by tree pollen (Betula), while grass pollen plays a minor role. Pollen allergy is relatively low in Southern China, with allergies to grass pollen being more important than weed and tree pollens. Rosaceae fruits and legume seeds stand out as major related allergenic foods. Non-specific lipid transfer protein (nsLTP) has been found to be the most clinically relevant cross-reacting allergenic component, able to induce severe reactions. PR-10, profilin, defensin, chitinase, and gibberellin-regulated proteins are other important cross-reactive allergen molecules. Artemisia pollen can induce allergenic cross-reactions with a wide range of plant-derived foods in China, and spring tree pollens (Betula) are also important. nsLTP found in both pollen and plant-derived food is considered the most significant allergen in food pollen cross-reactivity. Component-resolved diagnosis with potential allergenic proteins is recommended to improve diagnostic accuracy and predict the potential risk of causing allergic symptoms.
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Affiliation(s)
- Lan Zhao
- Allergy Research Center, Zhejiang University, Hangzhou, 310058, China
| | - Tingting Ma
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Xiaoyan Wang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Hongtian Wang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yi Liu
- Hangzhou Zheda Dixun Biological Gene Engineering Co. Ltd, Hangzhou, China
| | - Shandong Wu
- Hangzhou Zheda Dixun Biological Gene Engineering Co. Ltd, Hangzhou, China
| | - Linglin Fu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Luud Gilissen
- Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Ronald van Ree
- Departments of Experimental Immunology and of Otorhinolaryngology, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Xueyan Wang
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.
| | - Zhongshan Gao
- Allergy Research Center, Zhejiang University, Hangzhou, 310058, China.
- Department of Allergy, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, 310058, China.
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2
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Röck M, Heel SV, Juen FS, Eidelpes R, Kreutz C, Breuker K, Tollinger M. The PR-10 Protein Pru p 1 is an Endonuclease that Preferentially Cleaves Single-Stranded RNA. Chembiochem 2024; 25:e202400204. [PMID: 38602716 DOI: 10.1002/cbic.202400204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/12/2024]
Abstract
Pathogenesis-related class 10 (PR-10) proteins play a crucial role in plant defense by acting as ribonucleases. The specific mechanism of action and substrate specificity of these proteins have remained largely unexplored so far. In this study, we elucidate the enzymatic activity of Pru p 1, a PR-10 protein from peach. We demonstrate that this protein catalyzes the endonucleolytic backbone cleavage of RNA substrates into short oligonucleotides. Initial cleavage products, identified through kinetic analysis, can bind again, priming them for further degradation. NMR binding site mapping reveals that the large internal cavity of Pru p 1, which is characteristic for PR-10 proteins, serves as an anchoring site for single-stranded ribonucleotide chains. We propose a structure-based mechanistic model that accounts for the observed cleavage patterns and the inhibitory effect of zeatin, a nucleoside analog, on the ribonuclease activity of Pru p 1.
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Affiliation(s)
- Manuel Röck
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Sarah Viola Heel
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Fabian Sebastian Juen
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Reiner Eidelpes
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Christoph Kreutz
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Kathrin Breuker
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Martin Tollinger
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
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3
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Abstract
This review provides a global overview on Rosaceae allergy and details the particularities of each fruit allergy induced by ten Rosaceae species: almond/peach/cherry/apricot/plum (Amygdaleae), apple/pear (Maleae), and raspberry/blackberry/strawberry (Rosoideae). Data on clinical symptoms, prevalence, diagnosis, and immunotherapies for the treatment of Rosaceae allergy are herein stated. Allergen molecular characterization, cross-reactivity/co-sensitization phenomena, the impact of food processing and digestibility, and the methods currently available for the Rosaceae detection/quantification in foods are also described. Rosaceae allergy has a major impact in context to pollen-food allergy syndrome (PFAS) and lipid transfer protein (LTP) allergies, being greatly influenced by geography, environment, and presence of cofactors. Peach, apple, and almond allergies are probably the ones most affecting the quality of life of the allergic-patients, although allergies to other Rosaceae fruits cannot be overlooked. From patients' perspective, self-allergy management and an efficient avoidance of multiple fruits are often difficult to achieve, which might raise the risk for cross-reactivity and co-sensitization phenomena and increase the severity of the induced allergic responses with time. At this point, the absence of effective allergy diagnosis (lack of specific molecular markers) and studies advancing potential immunotherapies are some gaps that certainly will prompt the progress on novel strategies to manage Rosaceae food allergies.
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Affiliation(s)
- Joana Costa
- REQUIMTE-LAQV, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - Isabel Mafra
- REQUIMTE-LAQV, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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4
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Wangorsch A, Scheurer S, Blanca M, Blanca-Lopez N, Somoza ML, Martín-Pedraza L. Allergenic Properties and Molecular Characteristics of PR-1 Proteins. FRONTIERS IN ALLERGY 2022; 3:824717. [PMID: 35386656 PMCID: PMC8974740 DOI: 10.3389/falgy.2022.824717] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/03/2022] [Indexed: 11/17/2022] Open
Abstract
Only a small fraction of proteins in plants and animals are classified as allergens. The allergenic properties are frequently attributed to certain functional characteristics of the proteins, such as a role in the plant defense against biotic and abiotic stress, to achieve the systematic acquired resistance. In line with this, eight members out of 17 functional pathogenesis-related (PR) protein families have been characterized as allergens. The present review summarizes the molecular features and allergenic significance of allergens of the PR-1 family. Not many allergens have been identified as belonging to this protein family, with most of them having a pollen origin, like mugwort or Bermuda grass. Molecular and structural features of allergenic PR-1 proteins are discussed and attributed to their IgE-reactive properties, clinical manifestation, and cross-reactivity among different foods and inhalants.
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Affiliation(s)
| | | | - Miguel Blanca
- Foundation for Biomedical Research and Innovation, Hospital Universitario Infanta Leonor, Madrid, Spain
| | | | | | - Laura Martín-Pedraza
- Foundation for Biomedical Research and Innovation, Hospital Universitario Infanta Leonor, Madrid, Spain
- *Correspondence: Laura Martín-Pedraza
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5
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Eidelpes R, Hofer F, Röck M, Führer S, Kamenik AS, Liedl KR, Tollinger M. Structure and Zeatin Binding of the Peach Allergen Pru p 1. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:8120-8129. [PMID: 34260238 PMCID: PMC8323099 DOI: 10.1021/acs.jafc.1c01876] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 06/18/2021] [Accepted: 07/02/2021] [Indexed: 05/29/2023]
Abstract
Peach (Prunus persica) is among the fruits most frequently reported to cause food allergies. Allergic reactions commonly result from previous sensitization to the birch pollen allergen Bet v 1, followed by immunological cross-reactivity of IgE antibodies to structurally related proteins in peach. In this study, we present the three-dimensional NMR solution structure of the cross-reactive peach allergen Pru p 1 (isoform Pru p 1.0101). This 17.5 kDa protein adopts the canonical Bet v 1 fold, composed of a seven-stranded β-sheet and three α-helices enclosing an internal cavity. In Pru p 1, the inner surface of the cavity contains an array of hydroxyl-bearing amino acids surrounded by a hydrophobic patch, constituting a docking site for amphiphilic molecules. NMR-guided docking of the cytokinin molecule zeatin to the internal cavity of Pru p 1 provides a structure-based rationale for the effect that zeatin binding has on the protein's RNase activity.
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Affiliation(s)
- Reiner Eidelpes
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Florian Hofer
- Institute
of General, Inorganic and Theoretical Chemistry, Center for Molecular
Biosciences Innsbruck (CMBI), University
of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Manuel Röck
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Sebastian Führer
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Anna Sophia Kamenik
- Institute
of General, Inorganic and Theoretical Chemistry, Center for Molecular
Biosciences Innsbruck (CMBI), University
of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Klaus R. Liedl
- Institute
of General, Inorganic and Theoretical Chemistry, Center for Molecular
Biosciences Innsbruck (CMBI), University
of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Martin Tollinger
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
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6
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Jin J, Gan K, Zhao L, Jia H, Zhu Y, Li X, Yang Z, Ye Z, Cao K, Wang Z, Yu M, Zhang Y, Ma Z, Liu H, Arús P, Akkerdaas JH, Gao Z, van Ree R. Peach allergen Pru p 1 content is generally low in fruit but with large variation in different varieties. Clin Transl Allergy 2021; 11:e12034. [PMID: 34025984 PMCID: PMC8120414 DOI: 10.1002/clt2.12034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 04/05/2021] [Accepted: 04/26/2021] [Indexed: 01/22/2023] Open
Abstract
Background Pru p 1 is a major allergen in peach and nectarine, and the different content in varieties may affect the degree of allergic reactions. This study aimed to quantify Pru p 1 levels in representative peach varieties and select hypoallergenic Pru p 1 varieties. Methods To obtain monoclonal and polyclonal antibodies, mice and rabbits, respectively, were immunized with recombinant Pru p 1.01 and Pru p 1.02. The Pru p 1 levels in fruits from 83 representative peach varieties was quantified by sandwich enzyme-linked immunosorbent assay (sELISA). nPru p 1 was obtained through specific monoclonal antibody affinity purification and confirmed by Western blot and mass spectrometry. The variable Pru p 1 content of selected varieties was evaluated by Western blot and the expression level of encoding Pru p 1 genes by quantitative polymerase chain reaction. Results A sELISA method with monoclonal and polyclonal antibodies was built for quantifying Pru p 1 levels in peach. Pru p 1 was mainly concentrated in the peel (0.20-73.44 μg/g, fresh weight), being very low in the pulp (0.05-9.62 μg/g) and not detected in wild peach. For the 78 peach and nectarine varieties, Pru p 1 content varied widely from 0.12 to 6.45 μg/g in whole fruit. We verified that natural Pru p 1 is composed of 1.01 and 1.02 isoallergens, and the Pru p 1 expression level and Pru p 1 band intensity in the immunoblots were in agreement with protein quantity determined by ELISA for some tested varieties. In some cases, the reduced levels of Pru p 1 did not coincide with low Pru p 3 in the same variety in whole fruit, while some ancient wild peach and nectarines contained low levels of both allergens, and late-ripening yellow flesh varieties were usually highly allergenic. Conclusion Pru p 1 content is generally low in peach compared to Pru p 3. Several hypoallergenic Pru p 1 and Pru p 3 varieties, "Zi Xue Tao," "Wu Yue Xian," and "May Fire," were identified, which could be useful in trials for peach allergy patients.
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Affiliation(s)
- Jing Jin
- Allergy Research Center Zhejiang University Hangzhou China.,College of Agriculture and Biotechnology Zhejiang University Hangzhou China
| | - Kexin Gan
- College of Agriculture and Biotechnology Zhejiang University Hangzhou China
| | - Lan Zhao
- Allergy Research Center Zhejiang University Hangzhou China.,College of Agriculture and Biotechnology Zhejiang University Hangzhou China
| | - Huijuan Jia
- College of Agriculture and Biotechnology Zhejiang University Hangzhou China
| | - Yifan Zhu
- College of Agriculture and Biotechnology Zhejiang University Hangzhou China
| | - Xiongwei Li
- Forest & Fruit Tree Institute Shanghai Academy of Agricultural Sciences Shanghai China
| | - Zhaowei Yang
- State Key Laboratory of Respiratory Disease The First Affiliated Hospital of Guangzhou Medical University Guangzhou China
| | - Zhengwen Ye
- Forest & Fruit Tree Institute Shanghai Academy of Agricultural Sciences Shanghai China
| | - Ke Cao
- Zhengzhou Fruit Research Institute China Academy of Agricultural Sciences Zhengzhou China
| | - Zhiqiang Wang
- Zhengzhou Fruit Research Institute China Academy of Agricultural Sciences Zhengzhou China
| | - Mingliang Yu
- Fruit Tree Institute Jiangsu Academy of Agricultural Sciences Nanjing China
| | - Yuyan Zhang
- Fruit Tree Institute Jiangsu Academy of Agricultural Sciences Nanjing China
| | - Zhisheng Ma
- Shijiazhuang Pomology Institute Hebei Academy of Agriculture and Forestry Sciences Shijiazhuang Hebei China
| | - Hangkong Liu
- College of Horticulture Northwest A&F University Yangling Shaanxi China
| | - Pere Arús
- IRTA Centre de Recerca en Agrigenòmica CSIC-IRTA-UAB-UB Campus UAB - Edifici CRAG Barcelona Spain
| | - Jaap H Akkerdaas
- Departments of Experimental Immunology and Otorhinolaryngology Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
| | - Zhongshan Gao
- Allergy Research Center Zhejiang University Hangzhou China.,College of Agriculture and Biotechnology Zhejiang University Hangzhou China.,Departments of Experimental Immunology and Otorhinolaryngology Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
| | - Ronald van Ree
- Departments of Experimental Immunology and Otorhinolaryngology Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
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7
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Chen H, Li J, Cheng L, Gao Z, Lin X, Zhu R, Yang L, Tao A, Hong H, Tang W, Guo Y, Huang H, Sun J, Lai H, Lei C, Liu G, Xiang L, Chen Z, Ma H, Chan AWM, Hao C, Sun B. China Consensus Document on Allergy Diagnostics. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2021; 13:177-205. [PMID: 33474855 PMCID: PMC7840865 DOI: 10.4168/aair.2021.13.2.177] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/14/2020] [Accepted: 08/29/2020] [Indexed: 01/22/2023]
Abstract
The prevalence of allergic diseases has increased dramatically in recent years in China, affecting the quality of life in 40% of the population. The identification of allergens is the key to the diagnosis of allergic diseases. Presently, several methods of allergy diagnostics are available in China, but they have not been standardized. Additionally, cross-sensitization and co-sensitization make allergy diagnostics even more complicated. Based on 4 aspects of allergic disease (mechanism, diagnosis procedures, allergen detection in vivo and in vitro as well as the distribution map of the most important airborne allergens in China) and by referring to the consensus of the European Society of Allergy and Clinical Immunology, the World Allergy Organization, and the important literature on allergy diagnostics in China in recent years, we drafted this consensus of allergy diagnostics with Chinese characteristics. It aims to standardize the diagnostic methods of allergens and provides a reference for health care givers. The current document was prepared by a panel of experts from the main stream of professional allergy associations in China.
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Affiliation(s)
- Hao Chen
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Jing Li
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Lei Cheng
- Department of Otorhinolaryngology & Clinical Allergy Center, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Zhongshan Gao
- Allergy Research Center, Zhejiang University, Hangzhou, China
| | - Xiaoping Lin
- Department of Allergy, Northern Theater General Hospital, Shenyang, China
| | - Rongfei Zhu
- Department of Allergy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Yang
- Department of Allergy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ailin Tao
- Department of Allergy, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.,The State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Haiyu Hong
- Allergy Center, Department of Otorhinolaryngology, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Wei Tang
- Department of Pulmonary and Critical Care Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yinshi Guo
- Department of Allergy and Immunology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Huaiqiu Huang
- Department of Dermatology and Venereology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jinlyu Sun
- Department of Allergy, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
| | - He Lai
- Department of Allergy, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.,The State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy & Clinical Immunology, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Cheng Lei
- Department of Pediatrics, Kiang Wu Hospital, Macau, China
| | - Guanghui Liu
- Department of Allergy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Allergy, Zhongnan Hospital, Wuhan University, Wuhan, China
| | - Li Xiang
- Department of Allergy, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - Zhuanggui Chen
- Department of Pediatrics and Department of Allergy, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Han Ma
- Department of Dermatology and Venereology, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | | | - Chuangli Hao
- Department of Respirology, Children's Hospital, Soochow University, Suzhou, China.
| | - Baoqing Sun
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
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8
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Aranzana MJ, Decroocq V, Dirlewanger E, Eduardo I, Gao ZS, Gasic K, Iezzoni A, Jung S, Peace C, Prieto H, Tao R, Verde I, Abbott AG, Arús P. Prunus genetics and applications after de novo genome sequencing: achievements and prospects. HORTICULTURE RESEARCH 2019; 6:58. [PMID: 30962943 PMCID: PMC6450939 DOI: 10.1038/s41438-019-0140-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/10/2019] [Accepted: 03/13/2019] [Indexed: 05/04/2023]
Abstract
Prior to the availability of whole-genome sequences, our understanding of the structural and functional aspects of Prunus tree genomes was limited mostly to molecular genetic mapping of important traits and development of EST resources. With public release of the peach genome and others that followed, significant advances in our knowledge of Prunus genomes and the genetic underpinnings of important traits ensued. In this review, we highlight key achievements in Prunus genetics and breeding driven by the availability of these whole-genome sequences. Within the structural and evolutionary contexts, we summarize: (1) the current status of Prunus whole-genome sequences; (2) preliminary and ongoing work on the sequence structure and diversity of the genomes; (3) the analyses of Prunus genome evolution driven by natural and man-made selection; and (4) provide insight into haploblocking genomes as a means to define genome-scale patterns of evolution that can be leveraged for trait selection in pedigree-based Prunus tree breeding programs worldwide. Functionally, we summarize recent and ongoing work that leverages whole-genome sequences to identify and characterize genes controlling 22 agronomically important Prunus traits. These include phenology, fruit quality, allergens, disease resistance, tree architecture, and self-incompatibility. Translationally, we explore the application of sequence-based marker-assisted breeding technologies and other sequence-guided biotechnological approaches for Prunus crop improvement. Finally, we present the current status of publically available Prunus genomics and genetics data housed mainly in the Genome Database for Rosaceae (GDR) and its updated functionalities for future bioinformatics-based Prunus genetics and genomics inquiry.
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Affiliation(s)
- Maria José Aranzana
- IRTA, Centre de Recerca en Agrigenòmica CSIC-IRTA-UAB-UB, Campus UAB, Edifici CRAG, Cerdanyola del Vallès (Bellaterra), 08193 Barcelona, Spain
| | - Véronique Decroocq
- UMR 1332 BFP, INRA, University of Bordeaux, A3C and Virology Teams, 33882 Villenave-d’Ornon Cedex, France
| | - Elisabeth Dirlewanger
- UMR 1332 BFP, INRA, University of Bordeaux, A3C and Virology Teams, 33882 Villenave-d’Ornon Cedex, France
| | - Iban Eduardo
- IRTA, Centre de Recerca en Agrigenòmica CSIC-IRTA-UAB-UB, Campus UAB, Edifici CRAG, Cerdanyola del Vallès (Bellaterra), 08193 Barcelona, Spain
| | - Zhong Shan Gao
- Allergy Research Center, Zhejiang University, 310058 Hangzhou, China
| | | | - Amy Iezzoni
- Department of Horticulture, Michigan State University, 1066 Bogue Street, East Lansing, MI 48824-1325 USA
| | - Sook Jung
- Department of Horticulture, Washington State University, Pullman, WA 99164-6414 USA
| | - Cameron Peace
- Department of Horticulture, Washington State University, Pullman, WA 99164-6414 USA
| | - Humberto Prieto
- Biotechnology Laboratory, La Platina Research Station, Instituto de Investigaciones Agropecuarias, Santa Rosa, 11610 La Pintana, Santiago Chile
| | - Ryutaro Tao
- Laboratory of Pomology, Graduate School of Agriculture, Kyoto University, Kyoto, 606-8502 Japan
| | - Ignazio Verde
- Consiglio per la ricerca in agricoltura e l’analisi dell’economia agraria (CREA) – Centro di ricerca Olivicoltura, Frutticoltura e Agrumicoltura (CREA-OFA), Rome, Italy
| | - Albert G. Abbott
- University of Kentucky, 106 T. P. Cooper Hall, Lexington, KY 40546-0073 USA
| | - Pere Arús
- IRTA, Centre de Recerca en Agrigenòmica CSIC-IRTA-UAB-UB, Campus UAB, Edifici CRAG, Cerdanyola del Vallès (Bellaterra), 08193 Barcelona, Spain
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9
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Führer S, Trimmel S, Breuker K, Tollinger M. NMR resonance assignments of the pathogenesis-related peach allergen Pru p 1.0101. BIOMOLECULAR NMR ASSIGNMENTS 2019; 13:127-130. [PMID: 30542820 PMCID: PMC6439177 DOI: 10.1007/s12104-018-9864-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 12/06/2018] [Indexed: 05/13/2023]
Abstract
In Europe, Northern America, and China a large number of individuals are suffering from peach (Prunus persica) allergy caused by the protein Pru p 1. Immunologic reactions against this 17.5 kDa protein result from initial sensitization to the birch (Betula verrucosa) pollen allergen Bet v 1 and subsequent immunologic cross-reactivity of Bet v 1 specific antibodies. Allergic symptoms typically include severe itching, scratching of the throat, and rhino conjunctivitis. So far, experimental structural data for the peach allergen Pru p 1 are not available. In a first step towards the elucidation of the structure of this protein we assigned backbone and side chain 1H, 13C, and 15N chemical shifts of the naturally occurring isoform Pru p 1.0101 by solution NMR spectroscopy. Our chemical shift data indicate that this protein fold consists of seven β-strands separated by two short α-helices and a long C-terminal α-helix, which is in accordance with the reported crystal structure of Bet v 1. Our data provide the basis for determining the three-dimensional solution structure of this protein and to characterize its immunologic cross-reactivity on a structural basis.
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Affiliation(s)
- Sebastian Führer
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Simone Trimmel
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Kathrin Breuker
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Martin Tollinger
- Institute of Organic Chemistry and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria.
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Gao Z, Fu WY, Sun Y, Gao B, Wang HY, Liu M, Luo FM, Zhou X, Jin J, Zhao L, Wu S, Liu Y, Wu L, Wang X, Tang NB, Guo BH, Feng Y, Zhou JY, Gadermaier G, Ferreira F, Versteeg SA, van Ree R. Artemisia pollen allergy in China: Component-resolved diagnosis reveals allergic asthma patients have significant multiple allergen sensitization. Allergy 2019; 74:284-293. [PMID: 30155917 PMCID: PMC6587742 DOI: 10.1111/all.13597] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 07/20/2018] [Accepted: 08/31/2018] [Indexed: 12/22/2022]
Abstract
Background Artemisia pollen allergy is a major cause of asthma in Northern China. Possible associations between IgE responses to Artemisia allergen components and clinical phenotypes have not yet been evaluated. This study was to establish sensitization patterns of four Artemisia allergens and possible associations with demographic characteristics and clinical phenotypes in three areas of China. Methods Two hundred and forty patients allergic to Artemisia pollen were examined, 178 from Shanxi and 30 from Shandong Provinces in Northern China, and 32 from Yunnan Province in Southwestern China. Allergic asthma, rhinitis, conjunctivitis, and eczema symptoms were diagnosed. All patients’ sera were tested by ImmunoCAP with mugwort pollen extract and the natural components nArt v 1, nArt ar 2, nArt v 3, and nArt an 7. Results The frequency of sensitization and the IgE levels of the four components in Artemisia allergic patients from Southwestern China were significantly lower than in those from the North. Art v 1 and Art an 7 were the most frequently recognized allergens (84% and 87%, respectively), followed by Art v 3 (66%) and Art ar 2 (48%). Patients from Northern China were more likely to have allergic asthma (50%) than patients from Southwestern China (3%), and being sensitized to more than two allergens increased the risk of allergic asthma, in which co‐sensitization to three major allergens Art v 1, Art v 3, and Art an 7 is prominent. Conclusions Component‐resolved diagnosis of Chinese Artemisia pollen‐allergic patients helps assess the potential risk of mugwort‐associated allergic asthma.
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Affiliation(s)
- Zhongshan Gao
- Allergy Research Center; Zhejiang University; Hangzhou China
- College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
- Department of Experimental Immunology; Amsterdam UMC; University of Amsterdam; Amsterdam The Netherlands
| | - Wan-Yi Fu
- College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - Yuemei Sun
- Department of Allergy; Yu Huang Ding Hospital; Yantai China
| | - Biyuan Gao
- Hangzhou Aileji Biotech Ltd; Hangzhou China
| | - Hui-Ying Wang
- Department of Allergy; The Second Affiliated Hospital; College of Medicine; Zhejiang University; Hangzhou China
| | - Meiling Liu
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - Fang-Mei Luo
- Department of Otorhinolaryngology; Qujing Chinese Traditional Medicine Hospital; Yunnan China
| | - Xiang Zhou
- College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - Jing Jin
- College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - Lan Zhao
- College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - Shandong Wu
- Allergy Research Center; Zhejiang University; Hangzhou China
| | - Yi Liu
- Allergy Research Center; Zhejiang University; Hangzhou China
| | - Lingying Wu
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - Xuefeng Wang
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - Ning-Bo Tang
- Department of Allergy; Yu Huang Ding Hospital; Yantai China
| | - Bao-Hua Guo
- Department of Otorhinolaryngology; Qujing Chinese Traditional Medicine Hospital; Yunnan China
| | - Yan Feng
- Department of Otorhinolaryngology; The First Affiliated Hospital; Shanxi Medical University; Taiyuan China
| | - Jian Ying Zhou
- Department of Respiratory Disease; The First Affiliated Hospital; College of Medicine; Zhejiang University; Hangzhou China
| | | | - Fatima Ferreira
- Department of Biosciences; University of Salzburg; Salzburg Austria
| | - Serge A. Versteeg
- Department of Experimental Immunology; Amsterdam UMC; University of Amsterdam; Amsterdam The Netherlands
| | - Ronald van Ree
- Department of Experimental Immunology; Amsterdam UMC; University of Amsterdam; Amsterdam The Netherlands
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Fong AT, Du Toit G, Versteeg SA, van Ree R. Pink peppercorn: A cross-reactive risk for cashew- and pistachio-allergic patients. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2018; 7:724-725.e1. [PMID: 30594585 DOI: 10.1016/j.jaip.2018.11.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/14/2018] [Accepted: 11/18/2018] [Indexed: 11/26/2022]
Affiliation(s)
- Andrew Timothy Fong
- School of Women's and Children's Health, University of New South Wales, Sydney, Australia
| | - George Du Toit
- Evelina Children's Hospital, St Thomas' NHS Foundation Trust, King's College London, London, UK.
| | - Serge A Versteeg
- Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, The Netherlands
| | - Ronald van Ree
- Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, The Netherlands; Department of Otorhinolaryngology, Academic Medical Center, University of Amsterdam, The Netherlands
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Khor SS, Morino R, Nakazono K, Kamitsuji S, Akita M, Kawajiri M, Yamasaki T, Kami A, Hoshi Y, Tada A, Ishikawa K, Hine M, Kobayashi M, Kurume N, Kamatani N, Tokunaga K, Johnson TA. Genome-wide association study of self-reported food reactions in Japanese identifies shrimp and peach specific loci in the HLA-DR/DQ gene region. Sci Rep 2018; 8:1069. [PMID: 29348432 PMCID: PMC5773682 DOI: 10.1038/s41598-017-18241-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 12/07/2017] [Indexed: 12/20/2022] Open
Abstract
Food allergy is an increasingly important health problem in the world. Several genome-wide association studies (GWAS) focused on European ancestry samples have identified food allergy-specific loci in the HLA class II region. We conducted GWAS of self-reported reactivity with common foods using the data from 11011 Japanese women and identified shrimp and peach allergy-specific loci in the HLA-DR/DQ gene region tagged by rs74995702 (P = 6.30 × 10−17, OR = 1.91) and rs28359884 (P = 2.3 × 10−12, OR = 1.80), respectively. After HLA imputation using a Japanese population-specific reference, the most strongly associated haplotype was HLA-DRB1*04:05-HLA-DQB1*04:01 for shrimp allergy (P = 3.92 × 10−19, OR = 1.99) and HLA-DRB1*09:01-HLA-DQB1*03:03 for peach allergy (P = 1.15 × 10−7, OR = 1.68). Additionally, both allergies’ associated variants were eQTLs for several HLA genes, with HLA-DQA2 the single eQTL gene shared between the two traits. Our study suggests that allergy to certain foods may be related to genetic differences that tag both HLA alleles having particular epitope binding specificities as well as variants modulating expression of particular HLA genes. Investigating this further could increase our understanding of food allergy aetiology and potentially lead to better therapeutic strategies for allergen immunotherapies.
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Affiliation(s)
- Seik-Soon Khor
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Ryoko Morino
- EverGene Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | | | | | | | | | - Tatsuya Yamasaki
- Life Science Group, Healthcare Division, Department of Healthcare Business, MTI Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | - Azusa Kami
- EverGene Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | - Yuria Hoshi
- Life Science Group, Healthcare Division, Department of Healthcare Business, MTI Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | - Asami Tada
- EverGene Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | | | - Maaya Hine
- LunaLuna Division, Department of Healthcare Business, MTI Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | - Miki Kobayashi
- LunaLuna Division, Department of Healthcare Business, MTI Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | - Nami Kurume
- LunaLuna Division, Department of Healthcare Business, MTI Ltd., Shinjuku-ku, Tokyo, 163-1435, Japan
| | | | - Katsushi Tokunaga
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-0033, Japan
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