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Bharathi JK, Suresh P, Prakash MAS, Muneer S. Exploring recent progress of molecular farming for therapeutic and recombinant molecules in plant systems. Heliyon 2024; 10:e37634. [PMID: 39309966 PMCID: PMC11416299 DOI: 10.1016/j.heliyon.2024.e37634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 08/10/2024] [Accepted: 09/06/2024] [Indexed: 09/25/2024] Open
Abstract
An excellent technique for producing pharmaceuticals called "molecular farming" enables the industrial mass production of useful recombinant proteins in genetically modified organisms. Protein-based pharmaceuticals are rising in significance because of a variety of factors, including their bioreactivity, precision, safety, and efficacy rate. Heterologous expression methods for the manufacturing of pharmaceutical products have been previously employed using yeast, bacteria, and animal cells. However, the high cost of mammalian cell system, and production, the chance for product complexity, and contamination, and the hurdles of scaling up to commercial production are the limitations of these traditional expression methods. Plants have been raised as a hopeful replacement system for the expression of biopharmaceutical products due to their potential benefits, which include low production costs, simplicity in scaling up to commercial manufacturing levels, and a lower threat of mammalian toxin contaminations and virus infections. Since plants are widely utilized as a source of therapeutic chemicals, molecular farming offers a unique way to produce molecular medicines such as recombinant antibodies, enzymes, growth factors, plasma proteins, and vaccines whose molecular basis for use in therapy is well established. Biopharming provides more economical and extensive pharmaceutical drug supplies, including vaccines for contagious diseases and pharmaceutical proteins for the treatment of conditions like heart disease and cancer. To assess its technical viability and the efficacy resulting from the adoption of molecular farming products, the following review explores the various methods and methodologies that are currently employed to create commercially valuable molecules in plant systems.
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Affiliation(s)
- Jothi Kanmani Bharathi
- Department of Genetics and Plant Breeding, Faculty of Agriculture, Annamalai University, Annamalai Nagar, 608002, Tamil Nadu, India
| | - Preethika Suresh
- School of Bioscience and Biotechnology, Vellore Institute of Technology, Vellore, Tamil-Nadu, India
- Department of Horticulture and Food Science, School of Agricultural Innovations and Advanced Learning, Vellore Institute of Technology, Vellore, Tamil-Nadu, India
| | - Muthu Arjuna Samy Prakash
- Department of Genetics and Plant Breeding, Faculty of Agriculture, Annamalai University, Annamalai Nagar, 608002, Tamil Nadu, India
| | - Sowbiya Muneer
- Department of Horticulture and Food Science, School of Agricultural Innovations and Advanced Learning, Vellore Institute of Technology, Vellore, Tamil-Nadu, India
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Elbohy OA, Iqbal M, Daly JM, Dunham SP. Development of Virus-like Particle Plant-Based Vaccines against Avian H5 and H9 Influenza A Viruses. Vet Sci 2024; 11:93. [PMID: 38393111 PMCID: PMC10891754 DOI: 10.3390/vetsci11020093] [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: 01/06/2024] [Revised: 02/05/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Avian influenza A virus (AIV) is a significant cause of mortality in poultry, causing substantial economic loss, particularly in developing countries, and has zoonotic potential. For example, highly pathogenic avian influenza (HPAI) viruses of the H5 subtype have been circulating in Egypt for around two decades. In the last decade, H5N1 viruses of clade 2.2.1 have been succeeded by the antigenically distinct H5N8 clade 2.3.4.4b viruses. Furthermore, H9N2 viruses co-circulate with the H5N8 viruses in Egyptian poultry. It is widely recognised that effective vaccination against IAV requires a close antigenic match between the vaccine and viruses circulating in the field. Therefore, approaches to develop cost-effective vaccines that can be rapidly adapted to local virus strains are required for developing countries such as Egypt. In this project, the haemagglutinin (HA) proteins of Egyptian H5 and H9 viruses were expressed by transient transfection of plants (Nicotiana benthamiana). The formation of virus-like particles (VLPs) was confirmed by transmission electron microscopy. Mice were immunised with four doses of either H5 or H9 VLPs with adjuvant. Antibody and cellular immune responses were measured against the corresponding recombinant protein using ELISA and enzyme-linked immunosorbent assay (ELISpot), respectively. Chickens were immunised with one dose of H5 VLPs, eliciting HA-specific antibodies measured by ELISA and a pseudotyped virus neutralisation test using a heterologous H5 HA. In conclusion, plant-based VLP vaccines have potential for producing an effective vaccine candidate within a short time at a relatively low cost.
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Affiliation(s)
- Ola A Elbohy
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK
- Department of Virology, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Munir Iqbal
- Avian Influenza Group and Newcastle Disease, The Pirbright Institute, Woking GU24 0NF, UK
| | - Janet M Daly
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK
| | - Stephen P Dunham
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK
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Su H, van Eerde A, Rimstad E, Bock R, Branza-Nichita N, Yakovlev IA, Clarke JL. Plant-made vaccines against viral diseases in humans and farm animals. FRONTIERS IN PLANT SCIENCE 2023; 14:1170815. [PMID: 37056490 PMCID: PMC10086147 DOI: 10.3389/fpls.2023.1170815] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 03/14/2023] [Indexed: 06/19/2023]
Abstract
Plants provide not only food and feed, but also herbal medicines and various raw materials for industry. Moreover, plants can be green factories producing high value bioproducts such as biopharmaceuticals and vaccines. Advantages of plant-based production platforms include easy scale-up, cost effectiveness, and high safety as plants are not hosts for human and animal pathogens. Plant cells perform many post-translational modifications that are present in humans and animals and can be essential for biological activity of produced recombinant proteins. Stimulated by progress in plant transformation technologies, substantial efforts have been made in both the public and the private sectors to develop plant-based vaccine production platforms. Recent promising examples include plant-made vaccines against COVID-19 and Ebola. The COVIFENZ® COVID-19 vaccine produced in Nicotiana benthamiana has been approved in Canada, and several plant-made influenza vaccines have undergone clinical trials. In this review, we discuss the status of vaccine production in plants and the state of the art in downstream processing according to good manufacturing practice (GMP). We discuss different production approaches, including stable transgenic plants and transient expression technologies, and review selected applications in the area of human and veterinary vaccines. We also highlight specific challenges associated with viral vaccine production for different target organisms, including lower vertebrates (e.g., farmed fish), and discuss future perspectives for the field.
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Affiliation(s)
- Hang Su
- Division of Biotechnology and Plant Health, NIBIO - Norwegian Institute of Bioeconomy Research, Ås, Norway
| | - André van Eerde
- Division of Biotechnology and Plant Health, NIBIO - Norwegian Institute of Bioeconomy Research, Ås, Norway
| | - Espen Rimstad
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Ralph Bock
- Department III, Max Planck Institute of Molecular Plant Physiology, Potsdam-Golm, Germany
| | - Norica Branza-Nichita
- Department of Viral Glycoproteins, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Igor A. Yakovlev
- Division of Biotechnology and Plant Health, NIBIO - Norwegian Institute of Bioeconomy Research, Ås, Norway
| | - Jihong Liu Clarke
- Division of Biotechnology and Plant Health, NIBIO - Norwegian Institute of Bioeconomy Research, Ås, Norway
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Lee J, Lee SK, Park JS, Lee KR. Plant-made pharmaceuticals: exploring studies for the production of recombinant protein in plants and assessing challenges ahead. PLANT BIOTECHNOLOGY REPORTS 2023; 17:53-65. [PMID: 36820221 PMCID: PMC9931573 DOI: 10.1007/s11816-023-00821-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 01/16/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
The production of pharmaceutical compounds in plants is attracting increasing attention, as plant-based systems can be less expensive, safer, and more scalable than mammalian, yeast, bacterial, and insect cell expression systems. Here, we review the history and current status of plant-made pharmaceuticals. Producing pharmaceuticals in plants requires pairing the appropriate plant species with suitable transformation technology. Pharmaceuticals have been produced in tobacco, cereals, legumes, fruits, and vegetables via nuclear transformation, chloroplast transformation, transient expression, and transformation of suspension cell cultures. Despite this wide range of species and methods used, most such efforts have involved the nuclear transformation of tobacco. Tobacco readily generates large amounts of biomass, easily accepts foreign genes, and is amenable to stable gene expression via nuclear transformation. Although vaccines, antibodies, and therapeutic proteins have been produced in plants, such pharmaceuticals are not readily utilized by humans due to differences in glycosylation, and few such compounds have been approved due to a lack of clinical data. In addition, achieving an adequate immune response using plant-made pharmaceuticals can be difficult due to low rates of production compared to other expression systems. Various technologies have recently been developed to help overcome these limitations; however, plant systems are expected to increasingly become widely used expression systems for recombinant protein production.
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Affiliation(s)
- Juho Lee
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
| | - Seon-Kyeong Lee
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
| | - Jong-Sug Park
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
| | - Kyeong-Ryeol Lee
- Department of Agricultural Biotechnology, National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874 Republic of Korea
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Jin JH, Zhou X, Liu W, Zhang ZH, Huang SX, Zhao WJ, Chen XR. Influence of affinity tags and tobacco PR1a signal peptide on detection, purification and bioactivity analyses of the small oomycete apoplastic effectors. Biotechnol Lett 2023; 45:115-124. [PMID: 36450976 DOI: 10.1007/s10529-022-03324-0] [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: 04/18/2022] [Revised: 11/08/2022] [Accepted: 11/15/2022] [Indexed: 12/03/2022]
Abstract
OBJECTIVE To examine the influence of widely used protein affinity tags and the tobacco PR1a signal peptide (SP) on detection, purification and bioactivity analyses of the small oomycete apoplastic effector SCR96 in planta. RESULTS Through agroinfiltration, the phytotoxic effector SCR96 of Phytophthora cactorum was expressed in Nicotiana benthamiana leaf apoplast as a fusion protein carrying single affinity tag (His, HA or FLAG) at either C- or N-terminus. Leaf necrosis caused by different affinity-tagged SCR96 varied among tags and replicates. All of tagged proteins can be detected by antibodies against SCR96. All of SCR96 fusions except N-terminally fused 6His-tagged protein were detected using tag antibodies, indicating that 6His tag may be degraded when fused at N-terminus. Interestingly, C-terminal His- and FLAG-tagged SCR96 maintained the biological activity after purification. In the substitution assay of SCR96 SP, we observed that PR1a SP can lead chimeric SCR96 expression in N. benthamiana, but the replacement totally disrupted its bioactivity. CONCLUSION C-terminal His or FLAG tag, along with its original SP, is efficient enough to enable detection and purification of functional SCR96 from N. benthamiana leaf apoplast, which would facilitate plant-pathogen interaction studies.
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Affiliation(s)
- Jing-Hao Jin
- College of Plant Protection, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China
| | - Xue Zhou
- College of Plant Protection, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China
| | - Wang Liu
- College of Plant Protection, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China
| | - Zi-Hui Zhang
- College of Plant Protection, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China
| | - Shen-Xin Huang
- College of Plant Protection, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China
| | - Wen-Jing Zhao
- College of Plant Protection, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China
| | - Xiao-Ren Chen
- College of Plant Protection, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China.
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, 48 Eastern Wenhui Road, Yangzhou, 225009, Jiangsu Province, China.
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Transient Expression of Flavivirus Structural Proteins in Nicotiana benthamiana. Vaccines (Basel) 2022; 10:vaccines10101667. [PMID: 36298532 PMCID: PMC9610170 DOI: 10.3390/vaccines10101667] [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: 08/29/2022] [Revised: 09/27/2022] [Accepted: 10/04/2022] [Indexed: 11/05/2022] Open
Abstract
Flaviviruses are a threat to public health and can cause major disease outbreaks. Tick-borne encephalitis (TBE) is caused by a flavivirus, and it is one of the most important causes of viral encephalitis in Europe and is on the rise in Sweden. As there is no antiviral treatment available, vaccination remains the best protective measure against TBE. Currently available TBE vaccines are based on formalin-inactivated virus produced in cell culture. These vaccines must be delivered by intramuscular injection, have a burdensome immunization schedule, and may exhibit vaccine failure in certain populations. This project aimed to develop an edible TBE vaccine to trigger a stronger immune response through oral delivery of viral antigens to mucosal surfaces. We demonstrated successful expression and post-translational processing of flavivirus structural proteins which then self-assembled to form virus-like particles in Nicotiana benthamiana. We performed oral toxicity tests in mice using various plant species as potential bioreactors and evaluated the immunogenicity of the resulting edible vaccine candidate. Mice immunized with the edible vaccine candidate did not survive challenge with TBE virus. Interestingly, immunization of female mice with a commercial TBE vaccine can protect their offspring against TBE virus infection.
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Vasilev N. Medicinal Plants: Guests and Hosts in the Heterologous Expression of High-Value Products. PLANTA MEDICA 2022; 88:1175-1189. [PMID: 34521134 DOI: 10.1055/a-1576-4148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Medicinal plants play an important dual role in the context of the heterologous expression of high-value pharmaceutical products. On the one hand, the classical biochemical and modern omics approaches allowed for the discovery of various genes encoding biosynthetic pathways in medicinal plants. Recombinant DNA technology enabled introducing these genes and regulatory elements into host organisms and enhancing the heterologous production of the corresponding secondary metabolites. On the other hand, the transient expression of foreign DNA in plants facilitated the production of numerous proteins of pharmaceutical importance. This review summarizes several success stories of the engineering of plant metabolic pathways in heterologous hosts. Likewise, a few examples of recombinant protein expression in plants for therapeutic purposes are also highlighted. Therefore, the importance of medicinal plants has grown immensely as sources for valuable products of low and high molecular weight. The next step ahead for bioengineering is to achieve more success stories of industrial-scale production of secondary plant metabolites in microbial systems and to fully exploit plant cell factories' commercial potential for recombinant proteins.
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Affiliation(s)
- Nikolay Vasilev
- TU Dortmund University, Biochemical and Chemical Engineering, Technical Biochemistry, Dortmund, Germany
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Zakaria MM, Stegemann T, Sievert C, Kruse LH, Kaltenegger E, Girreser U, Çiçek SS, Nimtz M, Ober D. Insights into polyamine metabolism: homospermidine is double-oxidized in two discrete steps by a single copper-containing amine oxidase in pyrrolizidine alkaloid biosynthesis. THE PLANT CELL 2022; 34:2364-2382. [PMID: 35212762 PMCID: PMC9134089 DOI: 10.1093/plcell/koac068] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
Polyamines are important metabolites in plant development and abiotic and biotic stress responses. Copper-containing amine oxidases (CuAOs) are involved in the regulation of polyamine levels in the cell. CuAOs oxidize primary amines to their respective aldehydes and hydrogen peroxide. In plants, aldehydes are intermediates in various biosynthetic pathways of alkaloids. CuAOs are thought to oxidize polyamines at only one of the primary amino groups, a process frequently resulting in monocyclic structures. These oxidases have been postulated to be involved in pyrrolizidine alkaloid (PA) biosynthesis. Here, we describe the identification and characterization of homospermidine oxidase (HSO), a CuAO of Heliotropium indicum (Indian heliotrope), involved in PA biosynthesis. Virus-induced gene silencing of HSO in H. indicum leads to significantly reduced PA levels. By in vitro enzyme assays after transient in planta expression, we show that this enzyme prefers Hspd over other amines. Nuclear magnetic resonance spectroscopy and mass spectrometry analyses of the reaction products demonstrate that HSO oxidizes both primary amino groups of homospermidine (Hspd) to form a bicyclic structure, 1-formylpyrrolizidine. Using tracer feeding, we have further revealed that 1-formylpyrrolizidine is an intermediate in the biosynthesis of PAs. Our study therefore establishes that HSO, a canonical CuAO, catalyzes the second step of PA biosynthesis and provides evidence for an undescribed and unusual mechanism involving two discrete steps of oxidation that might also be involved in the biosynthesis of complex structures in other alkaloidal pathways.
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Affiliation(s)
| | | | | | | | | | - Ulrich Girreser
- Department of Pharmaceutical and Medicinal Chemistry, Kiel University, Kiel, Germany
| | - Serhat S Çiçek
- Department of Pharmaceutical Biology, Kiel University, Kiel, Germany
| | - Manfred Nimtz
- Cellular Proteome Research, Helmholtz Centre for Infection Research, Braunschweig, Germany
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Khalid F, Tahir R, Ellahi M, Amir N, Rizvi SFA, Hasnain A. Emerging trends of edible vaccine therapy for combating human diseases especially
COVID
‐19: Pros, cons, and future challenges. Phytother Res 2022; 36:2746-2766. [PMID: 35499291 PMCID: PMC9347755 DOI: 10.1002/ptr.7475] [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: 01/24/2022] [Revised: 03/18/2022] [Accepted: 04/06/2022] [Indexed: 11/07/2022]
Abstract
The researchers are still doing efforts to develop an effective, reliable, and easily accessible vaccine candidate to protect against COVID‐19. As of the August 2020, nearly 30 conventional vaccines have been emerged in clinical trials, and more than 200 vaccines are in various development stages. Nowadays, plants are also considered as a potential source for the production of monoclonal antibodies, vaccines, drugs, immunomodulatory proteins, as well as used as bioreactors or factories for their bulk production. The scientific evidences enlighten that plants are the rich source of oral vaccines, which can be given either by eating the edible parts of plants and/or by oral administration of highly refined proteins. The use of plant‐based edible vaccines is an emerging trend as it possesses minimum or no side effects compared with synthetic vaccines. This review article gives insights into different types of vaccines, the use of edible vaccines, advantages of edible vaccines over conventional vaccines, and mechanism of action of edible vaccines. This review article also focuses on the applications of edible vaccines in wide‐range of human diseases especially against COVID‐19 with emphasis on future perspectives of the use of edible vaccines.
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Affiliation(s)
- Fatima Khalid
- Institute of Molecular Biology and BiotechnologyThe University of LahoreLahorePakistan
| | - Reema Tahir
- Institute of Molecular Biology and BiotechnologyThe University of LahoreLahorePakistan
| | - Manahil Ellahi
- Institute of Molecular Biology and BiotechnologyThe University of LahoreLahorePakistan
| | - Nilofer Amir
- Institute of Molecular Biology and BiotechnologyThe University of LahoreLahorePakistan
| | - Syed Faheem Askari Rizvi
- Institute of Molecular Biology and BiotechnologyThe University of LahoreLahorePakistan
- College of Chemistry and Chemical EngineeringLanzhou UniversityLanzhouP.R. China
| | - Ammarah Hasnain
- Institute of Molecular Biology and BiotechnologyThe University of LahoreLahorePakistan
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Development of Plant-Based Vaccines for Prevention of Avian Influenza and Newcastle Disease in Poultry. Vaccines (Basel) 2022; 10:vaccines10030478. [PMID: 35335110 PMCID: PMC8952014 DOI: 10.3390/vaccines10030478] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/10/2022] [Accepted: 03/16/2022] [Indexed: 02/01/2023] Open
Abstract
Viral diseases, including avian influenza (AI) and Newcastle disease (ND), are an important cause of morbidity and mortality in poultry, resulting in significant economic losses. Despite the availability of commercial vaccines for the major viral diseases of poultry, these diseases continue to pose a significant risk to global food security. There are multiple factors for this: vaccine costs may be prohibitive, cold chain storage for attenuated live-virus vaccines may not be achievable, and commercial vaccines may protect poorly against local emerging strains. The development of transient gene expression systems in plants provides a versatile and robust tool to generate a high yield of recombinant proteins with superior speed while managing to achieve cost-efficient production. Plant-derived vaccines offer good stability and safety these include both subunit and virus-like particle (VLP) vaccines. VLPs offer potential benefits compared to currently available traditional vaccines, including significant reductions in virus shedding and the ability to differentiate between infected and vaccinated birds (DIVA). This review discusses the current state of plant-based vaccines for prevention of the AI and ND in poultry, challenges in their development, and potential for expanding their use in low- and middle-income countries.
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Castellanos-Huerta I, Gómez-Verduzco G, Tellez-Isaias G, Ayora-Talavera G, Bañuelos-Hernández B, Petrone-García VM, Velázquez-Juárez G, Fernández-Siurob I. Transformation of Dunaliella salina by Agrobacterium tumefaciens for the Expression of the Hemagglutinin of Avian Influenza Virus H5. Microorganisms 2022; 10:microorganisms10020361. [PMID: 35208815 PMCID: PMC8877374 DOI: 10.3390/microorganisms10020361] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/04/2022] [Accepted: 01/31/2022] [Indexed: 02/01/2023] Open
Abstract
Avian influenza (AI) is one of the main threats to the poultry industry worldwide. Vaccination efforts are based on inactivated, live attenuated, and recombinant vaccines, where the virus hemagglutinin (HA) is the main component of any vaccine formulation. This study uses Dunaliella salina to express the AIV HA protein of an H5 virus. D. salina offers a system of feasible culture properties, generally recognized as safe for humans (GRAS), with N-glycosylation and nuclear transformation by Agrobacterium tumefaciens. The cloning and transformation of D. salina cells with the H5HA gene was confirmed by polymerase chain reaction (PCR). SDS-PAGE and Western blot confirmed HA5r protein expression, and the correct expression and biological activity of the HA5r protein were confirmed by a hemagglutination assay (HA). This study proves the feasibility of using a different biological system for expressing complex antigens from viruses. These findings suggest that a complex protein such as HA5r from AIV (H5N2) can be successfully expressed in D. salina.
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Affiliation(s)
- Inkar Castellanos-Huerta
- Programa de Maestría y Doctorado en Ciencias de la Producción y de la Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de Mexico 04510, Mexico
- Correspondence: ; Tel.: +52-442-2163119
| | - Gabriela Gómez-Verduzco
- Departamento de Medicina y Zootecnia de Aves, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Ciudad de Mexico 04510, Mexico;
| | | | - Guadalupe Ayora-Talavera
- Centro de Investigaciones Regionales, Dr. Hideyo Noguchi, Universidad Autonoma de Yucatán (UADY), Mérida 97000, Mexico;
| | - Bernardo Bañuelos-Hernández
- Escuela de Veterinaria, Universidad De La Salle Bajío, Avenida Universidad 602, Lomas del Campestre, León 37150, Mexico;
| | - Víctor Manuel Petrone-García
- Departamento de Ciencias Pecuarias, Facultad de Estudios Superiores Cuautitlán UNAM, Cuautitlán Izcalli 54714, Mexico;
| | - Gilberto Velázquez-Juárez
- Departamento de Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Blvd. Marcelino García Barragán #1421, Guadalajara 44430, Mexico;
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Sánchez-López EF, Corigliano MG, Oliferuk S, Ramos-Duarte VA, Rivera M, Mendoza-Morales LF, Angel SO, Sander VA, Clemente M. Oral Immunization With a Plant HSP90-SAG1 Fusion Protein Produced in Tobacco Elicits Strong Immune Responses and Reduces Cyst Number and Clinical Signs of Toxoplasmosis in Mice. FRONTIERS IN PLANT SCIENCE 2021; 12:726910. [PMID: 34675949 PMCID: PMC8525317 DOI: 10.3389/fpls.2021.726910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 08/30/2021] [Indexed: 05/17/2023]
Abstract
Plant 90kDa heat shock protein (HSP90) is a potent adjuvant that increases both humoral and cellular immune responses to diverse proteins and peptides. In this study, we explored whether Arabidopsis thaliana HSP90 (AtHsp81.2) can improve the immune effects of a Toxoplasma gondii surface antigen 1 (SAG1). We designed two constructs containing the sequence of mature antigen (SAG1m), from aa77 to aa322, and B- and T-cell antigenic epitope-containing SAG1HC, from aa221 to aa319 fused to AtHsp81.2 sequence. When comparing the transient expression in Nicotiana tabacum X-27-8 leaves, which overexpress the suppressor helper component protease HC-Pro-tobacco etch virus (TEV), to that in N. benthamiana leaves, co-agroinfiltrated with the suppressor p19, optimal conditions included 6-week-old N. benthamiana plants, 7-day time to harvest, Agrobacterium tumefaciens cultures with an OD600nm of 0.6 for binary vectors and LED lights. While AtHsp81.2-SAG1m fusion protein was undetectable by Western blot in any of the evaluated conditions, AtHsp81.2-SAG1HC was expressed as intact fusion protein, yielding up to 90μg/g of fresh weight. Besides, the AtHsp81.2-SAG1HC mRNA was strongly expressed compared to the endogenous Nicotiana tabacum elongation factor-alpha (NtEFα) gene, whereas the AtHsp81.2-SAG1m mRNA was almost undetectable. Finally, mice were orally immunized with AtHsp81.2-SAG1HC-infiltrated fresh leaves (plAtHsp81.2-SAG1HC group), recombinant AtHsp81.2-SAG1HC purified from infiltrated leaves (rAtHsp81.2-SAG1HC group), non-infiltrated fresh leaves (control group), or phosphate-buffered saline (PBS group). Serum samples from plAtHsp81.2-SAG1HC-immunized mice had significantly higher levels of IgGt, IgG2a, and IgG2b anti-SAG1HC antibodies than serum from rAtHsp81.2-SAG1HC, control, and PBS groups. The number of cysts per brain in the plAtHsp81.2-SAG1HC-immunized mice was significantly reduced, and the parasite load in brain tissue was also lower in this group compared with the remaining groups. In an immunoblot assay, plant-expressed AtHsp81.2-SAG1HC was shown to react with antibodies present in sera from T. gondii-infected people. Therefore, the plant expression of a T. gondii antigen fused to the non-pathogenic adjuvant and carrier plant HSP90 as formulations against T. gondii can improve the vaccine efficacy, and plant extract can be directly used for vaccination without the need to purify the protein, making this platform a suitable and powerful biotechnological system for immunogenic antigen expression against toxoplasmosis.
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Affiliation(s)
- Edwin F. Sánchez-López
- Laboratorio de Molecular Farming y Vacunas, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Mariana G. Corigliano
- Laboratorio de Molecular Farming y Vacunas, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Sonia Oliferuk
- Laboratorio de Molecular Farming y Vacunas, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Victor A. Ramos-Duarte
- Laboratorio de Molecular Farming y Vacunas, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Maximiliano Rivera
- Laboratorio de Parasitología Molecular, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Luisa F. Mendoza-Morales
- Laboratorio de Molecular Farming y Vacunas, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Sergio O. Angel
- Laboratorio de Parasitología Molecular, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Valeria A. Sander
- Laboratorio de Molecular Farming y Vacunas, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
| | - Marina Clemente
- Laboratorio de Molecular Farming y Vacunas, Instituto Tecnológico Chascomús (INTECH), Universidad Nacional de General San Martín (UNSAM), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Chascomús, Argentina
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Overeem NJ, van der Vries E, Huskens J. A Dynamic, Supramolecular View on the Multivalent Interaction between Influenza Virus and Host Cell. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007214. [PMID: 33682339 DOI: 10.1002/smll.202007214] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/11/2021] [Indexed: 06/12/2023]
Abstract
Understanding how influenza viruses traverse the mucus and recognize host cells is critical for evaluating their zoonotic potential, and for prevention and treatment of the disease. The surface of the influenza A virus is covered with the receptor-binding protein hemagglutinin and the receptor-cleaving enzyme neuraminidase, which jointly control the interactions between the virus and the host cell. These proteins are organized in closely spaced trimers and tetramers to facilitate multivalent interactions with sialic acid-terminated glycans. This review shows that the individually weak multivalent interactions of influenza viruses allow superselective binding, virus-induced recruitment of receptors, and the formation of dynamic complexes that facilitate molecular walking. Techniques to measure the avidity and receptor specificity of influenza viruses are reviewed, and the pivotal role of multivalent interactions with their emergent properties in crossing the mucus and entering host cells is discussed. A model is proposed for the initiation of cell entry through virus-induced receptor clustering. The multivalent interactions of influenza viruses are maintained in a dynamic regime by a functional balance between binding and cleaving.
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Affiliation(s)
- Nico J Overeem
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology, Faculty of Science and Technology, University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands
| | - Erhard van der Vries
- Royal GD, Arnsbergstraat 7, Deventer, 7418 EZ, The Netherlands
- Department of Clinical Chemistry and Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, 3584CX, The Netherlands
| | - Jurriaan Huskens
- Department of Molecules and Materials, MESA+ Institute for Nanotechnology, Faculty of Science and Technology, University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands
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Siriwattananon K, Manopwisedjaroen S, Kanjanasirirat P, Budi Purwono P, Rattanapisit K, Shanmugaraj B, Smith DR, Borwornpinyo S, Thitithanyanont A, Phoolcharoen W. Development of Plant-Produced Recombinant ACE2-Fc Fusion Protein as a Potential Therapeutic Agent Against SARS-CoV-2. FRONTIERS IN PLANT SCIENCE 2021; 11:604663. [PMID: 33584747 PMCID: PMC7874119 DOI: 10.3389/fpls.2020.604663] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/03/2020] [Indexed: 05/12/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus disease (COVID-19) which has recently emerged as a potential threat to global public health. SARS-CoV-2 is the third known human coronavirus that has huge impact on the human population after SARS-CoV and MERS-CoV. Although some vaccines and therapeutic drugs are currently in clinical trials, none of them are approved for commercial use yet. As with SARS-CoV, SARS-CoV-2 utilizes angiotensin-converting enzyme 2 (ACE2) as the cell entry receptor to enter into the host cell. In this study, we have transiently produced human ACE2 fused with the Fc region of human IgG1 in Nicotiana benthamiana and the in vitro neutralization efficacy of the plant-produced ACE2-Fc fusion protein was assessed. The recombinant ACE2-Fc fusion protein was expressed in N. benthamiana at 100 μg/g leaf fresh weight on day 6 post-infiltration. The recombinant fusion protein showed potent binding to receptor binding domain (RBD) of SARS-CoV-2. Importantly, the plant-produced fusion protein exhibited potent anti-SARS-CoV-2 activity in vitro. Treatment with ACE2-Fc fusion protein after viral infection dramatically inhibit SARS-CoV-2 infectivity in Vero cells with an IC50 value of 0.84 μg/ml. Moreover, treatment with ACE2-Fc fusion protein at the pre-entry stage suppressed SARS-CoV-2 infection with an IC50 of 94.66 μg/ml. These findings put a spotlight on the plant-produced ACE2-Fc fusion protein as a potential therapeutic candidate against SARS-CoV-2.
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Affiliation(s)
- Konlavat Siriwattananon
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | | | | | - Priyo Budi Purwono
- Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, Thailand
- Department of Microbiology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Kaewta Rattanapisit
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Balamurugan Shanmugaraj
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Duncan R. Smith
- Institute of Molecular Bioscience, Mahidol University, Salaya, Thailand
| | - Suparerk Borwornpinyo
- Excellence Center for Drug Discovery, Faculty of Science, Mahidol University, Bangkok, Thailand
| | | | - Waranyoo Phoolcharoen
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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15
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Lico C, Santi L, Baschieri S, Noris E, Marusic C, Donini M, Pedrazzini E, Maga G, Franconi R, Di Bonito P, Avesani L. Plant Molecular Farming as a Strategy Against COVID-19 - The Italian Perspective. FRONTIERS IN PLANT SCIENCE 2020; 11:609910. [PMID: 33381140 PMCID: PMC7768017 DOI: 10.3389/fpls.2020.609910] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/13/2020] [Indexed: 05/05/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has killed more than 37,000 people in Italy and has caused widespread socioeconomic disruption. Urgent measures are needed to contain and control the virus, particularly diagnostic kits for detection and surveillance, therapeutics to reduce mortality among the severely affected, and vaccines to protect the remaining population. Here we discuss the potential role of plant molecular farming in the rapid and scalable supply of protein antigens as reagents and vaccine candidates, antibodies for virus detection and passive immunotherapy, other therapeutic proteins, and virus-like particles as novel vaccine platforms. We calculate the amount of infrastructure and production capacity needed to deal with predictable subsequent waves of COVID-19 in Italy by pooling expertise in plant molecular farming, epidemiology and the Italian health system. We calculate the investment required in molecular farming infrastructure that would enable us to capitalize on this technology, and provide a roadmap for the development of diagnostic reagents and biopharmaceuticals using molecular farming in plants to complement production methods based on the cultivation of microbes and mammalian cells.
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Affiliation(s)
- Chiara Lico
- Laboratory of Biotechnology, Biotechnologies and Agroindustry Division, Department of Sustainability, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Rome, Italy
| | - Luca Santi
- Department of Agriculture and Forest Science, Tuscia University, Viterbo, Italy
| | - Selene Baschieri
- Laboratory of Biotechnology, Biotechnologies and Agroindustry Division, Department of Sustainability, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Rome, Italy
| | - Emanuela Noris
- Institute for Sustainable Plant Protection, National Research Council IPSP-CNR, Turin, Italy
| | - Carla Marusic
- Laboratory of Biotechnology, Biotechnologies and Agroindustry Division, Department of Sustainability, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Rome, Italy
| | - Marcello Donini
- Laboratory of Biotechnology, Biotechnologies and Agroindustry Division, Department of Sustainability, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Rome, Italy
| | - Emanuela Pedrazzini
- Institute for Sustainable Plant Protection, National Research Council IBBA-CNR, Turin, Italy
| | - Giovanni Maga
- Institute of Molecular Genetics IGM-CNR “Luigi Luca Cavalli-Sforza,”Pavia, Italy
| | - Rosella Franconi
- Laboratory of Biomedical Technologies, Health Technologies Division, Department of Sustainability, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Rome, Italy
| | - Paola Di Bonito
- Department of Infectious Diseases, Viral Hepatitis, Oncoviruses and Retroviruses (EVOR) Unit, Istituto Superiore di Sanità, Rome, Italy
| | - Linda Avesani
- Department of Biotechnology, University of Verona, Verona, Italy
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16
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Sahoo A, Mandal AK, Dwivedi K, Kumar V. A cross talk between the immunization and edible vaccine: Current challenges and future prospects. Life Sci 2020; 261:118343. [PMID: 32858038 PMCID: PMC7449231 DOI: 10.1016/j.lfs.2020.118343] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/12/2020] [Accepted: 08/21/2020] [Indexed: 01/25/2023]
Abstract
INTRODUCTION It is well known that immune system is highly specific to protect the body against various environmental pathogens. The concept of conventional vaccination has overcome the pandemic situation of several infectious diseases outbreak. AREA COVERED The recent idea of immunization through oral route (edible vaccine) is vital alternatives over conventional vaccines. Edible vaccines are composed of antigenic protein introduced into the plant cells which induce these altered plants to produce the encoded protein. Edible vaccine has no way of forming infection and safety is assured as it only composed of antigenic protein and is devoid of pathogenic genes. Edible vaccines have significant role in stimulating mucosal immunity as they come in contact with digestive tract lining. They are safe, cost-effective, easy-to-administer and have reduced manufacturing cost hence have a dramatic impact on health care in developing countries. EXPERT OPINION The edible vaccine might be the solution for the potential hazard associated with the parenteral vaccines. In this review we discuss the detailed study of pros, cons, mechanism of immune stimulation, various outbreaks that might be controlled by edible vaccines with the possible future research and applied application of edible vaccine.
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Affiliation(s)
- Ankit Sahoo
- Department of Pharmaceutical Science, Shalom Institute of Health and Allied Sciences, Sam Higgbottom University of Agriculture Technology & Sciences, Prayagraj, Uttar Pradesh 211007, India
| | - Ashok Kumar Mandal
- Department of Pharmaceutical Science, Shalom Institute of Health and Allied Sciences, Sam Higgbottom University of Agriculture Technology & Sciences, Prayagraj, Uttar Pradesh 211007, India
| | - Khusbu Dwivedi
- Department of Pharmaceutics, Shambhunath Institute of Pharmacy Jhalwa, Prayagraj, Uttar Pradesh 211015, India
| | - Vikas Kumar
- Natural Product Drug Discovery Laboratory, Department of Pharmaceutical Science, Shalom Institute of Health and Allied Sciences, Sam Higgbottom University of Agriculture Technology & Sciences, Prayagraj, Uttar Pradesh 211007, India.
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17
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Development of ssDNA Aptamers for Diagnosis and Inhibition of the Highly Pathogenic Avian Influenza Virus Subtype H5N1. Biomolecules 2020; 10:biom10081116. [PMID: 32731467 PMCID: PMC7465229 DOI: 10.3390/biom10081116] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/20/2020] [Accepted: 07/27/2020] [Indexed: 02/07/2023] Open
Abstract
Avian influenza (AI) has severely affected the poultry industry worldwide and has caused the deaths of millions of birds. Highly pathogenic avian influenza virus is characterized by high mortality and the ability to transmit from birds to humans. Early diagnosis is difficult because of the variation in pathogenicity and the genetic diversity between virus subtypes. Therefore, development of a sensitive and accurate diagnostic system is an urgent priority. We developed ssDNA aptamer probes to detect AI viruses. Through seven rounds of SELEX to search for a probe specific to the highly pathogenic AI virus subtype H5N1, we identified 16 binding aptamers and selected two with the highest binding frequency. These two aptamers had strong binding affinities and low detection limits. We found that they could bind more specifically to H5N1, as compared to other subtypes. Furthermore, these aptamers inhibited hemagglutination, which is caused by the virus surface protein hemagglutinin. Our results indicate that our screened aptamers are effective molecular probes for diagnosing H5N1 and can be used as therapeutic agents to inhibit viral surface proteins. Sensitive diagnosis and suppression of avian influenza will help maintain a stable and healthy livestock industry, as well as protect human health.
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18
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Shanmugaraj B, I. Bulaon CJ, Phoolcharoen W. Plant Molecular Farming: A Viable Platform for Recombinant Biopharmaceutical Production. PLANTS 2020; 9:plants9070842. [PMID: 32635427 PMCID: PMC7411908 DOI: 10.3390/plants9070842] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/20/2020] [Accepted: 06/30/2020] [Indexed: 12/20/2022]
Abstract
The demand for recombinant proteins in terms of quality, quantity, and diversity is increasing steadily, which is attracting global attention for the development of new recombinant protein production technologies and the engineering of conventional established expression systems based on bacteria or mammalian cell cultures. Since the advancements of plant genetic engineering in the 1980s, plants have been used for the production of economically valuable, biologically active non-native proteins or biopharmaceuticals, the concept termed as plant molecular farming (PMF). PMF is considered as a cost-effective technology that has grown and advanced tremendously over the past two decades. The development and improvement of the transient expression system has significantly reduced the protein production timeline and greatly improved the protein yield in plants. The major factors that drive the plant-based platform towards potential competitors for the conventional expression system are cost-effectiveness, scalability, flexibility, versatility, and robustness of the system. Many biopharmaceuticals including recombinant vaccine antigens, monoclonal antibodies, and other commercially viable proteins are produced in plants, some of which are in the pre-clinical and clinical pipeline. In this review, we consider the importance of a plant- based production system for recombinant protein production, and its potential to produce biopharmaceuticals is discussed.
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Affiliation(s)
- Balamurugan Shanmugaraj
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand;
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences Chulalongkorn University, Bangkok 10330, Thailand;
| | - Christine Joy I. Bulaon
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences Chulalongkorn University, Bangkok 10330, Thailand;
| | - Waranyoo Phoolcharoen
- Research Unit for Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand;
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences Chulalongkorn University, Bangkok 10330, Thailand;
- Correspondence: ; Tel.: +66-2-218-8359; Fax: +66-2-218-8357
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Muthusamy S, Vetukuri RR, Lundgren A, Ganji S, Zhu LH, Brodelius PE, Kanagarajan S. Transient expression and purification of β-caryophyllene synthase in Nicotiana benthamiana to produce β-caryophyllene in vitro. PeerJ 2020; 8:e8904. [PMID: 32377446 PMCID: PMC7194099 DOI: 10.7717/peerj.8904] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 03/12/2020] [Indexed: 12/19/2022] Open
Abstract
The sesquiterpene β-caryophyllene is an ubiquitous component in many plants that has commercially been used as an aroma in cosmetics and perfumes. Recent studies have shown its potential use as a therapeutic agent and biofuel. Currently, β-caryophyllene is isolated from large amounts of plant material. Molecular farming based on the Nicotiana benthamiana transient expression system may be used for a more sustainable production of β-caryophyllene. In this study, a full-length cDNA of a new duplicated β-caryophyllene synthase from Artemisia annua (AaCPS1) was isolated and functionally characterized. In order to produce β-caryophyllene in vitro, the AaCPS1 was cloned into a plant viral-based vector pEAQ-HT. Subsequently, the plasmid was transferred into the Agrobacterium and agroinfiltrated into N. benthamiana leaves. The AaCPS1 expression was analyzed by quantitative PCR at different time points after agroinfiltration. The highest level of transcripts was observed at 9 days post infiltration (dpi). The AaCPS1 protein was extracted from the leaves at 9 dpi and purified by cobalt–nitrilotriacetate (Co-NTA) affinity chromatography using histidine tag with a yield of 89 mg kg−1 fresh weight of leaves. The protein expression of AaCPS1 was also confirmed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and western blot analyses. AaCPS1 protein uses farnesyl diphosphate (FPP) as a substrate to produce β-caryophyllene. Product identification and determination of the activity of purified AaCPS1 were done by gas chromatography–mass spectrometry (GC–MS). GC–MS results revealed that the AaCPS1 produced maximum 26.5 ± 1 mg of β-caryophyllene per kilogram fresh weight of leaves after assaying with FPP for 6 h. Using AaCPS1 as a proof of concept, we demonstrate that N. benthamiana can be considered as an expression system for production of plant proteins that catalyze the formation of valuable chemicals for industrial applications.
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Affiliation(s)
- Saraladevi Muthusamy
- Department of Chemistry and Biomedical Sciences, Linnaeus University, Kalmar, Sweden
| | - Ramesh R Vetukuri
- Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden
| | - Anneli Lundgren
- Department of Chemistry and Biomedical Sciences, Linnaeus University, Kalmar, Sweden
| | - Suresh Ganji
- Department of Chemistry and Biomedical Sciences, Linnaeus University, Kalmar, Sweden
| | - Li-Hua Zhu
- Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden
| | - Peter E Brodelius
- Department of Chemistry and Biomedical Sciences, Linnaeus University, Kalmar, Sweden
| | - Selvaraju Kanagarajan
- Department of Chemistry and Biomedical Sciences, Linnaeus University, Kalmar, Sweden.,Department of Plant Breeding, Swedish University of Agricultural Sciences, Alnarp, Sweden
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20
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Durous L, Rosa-Calatrava M, Petiot E. Advances in influenza virus-like particles bioprocesses. Expert Rev Vaccines 2019; 18:1285-1300. [DOI: 10.1080/14760584.2019.1704262] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Laurent Durous
- Virologie et Pathologie Humaine - VirPath team - Centre International de Recherche en Infectiologie (CIRI), INSERM U1111, CNRS UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
| | - Manuel Rosa-Calatrava
- Virologie et Pathologie Humaine - VirPath team - Centre International de Recherche en Infectiologie (CIRI), INSERM U1111, CNRS UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
- VirNext, Faculté de Médecine RTH Laennec, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
| | - Emma Petiot
- Virologie et Pathologie Humaine - VirPath team - Centre International de Recherche en Infectiologie (CIRI), INSERM U1111, CNRS UMR5308, ENS Lyon, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
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21
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Regnard GL, Rybicki EP, Hitzeroth II. Recombinant expression of beak and feather disease virus capsid protein and assembly of virus-like particles in Nicotiana benthamiana. Virol J 2017; 14:174. [PMID: 28893289 PMCID: PMC5594603 DOI: 10.1186/s12985-017-0847-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 09/05/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Beak and feather disease virus (BFDV) is an important disease causing agent affecting psittacines. BFDV is highly infectious and can present as acute, chronic or subclinical disease. The virus causes immunodeficiency and is often associated with secondary infections. No commercial vaccine is available and yields of recombinant BFDV capsid protein (CP) expressed in insect cells and bacteria are yet to be seen as commercially viable, although both systems produced BFDV CP that could successfully assemble into virus-like particles (VLPs). Plants as expression systems are increasingly becoming favourable for the production of region-specific and niche market products. The aim of this study was to investigate the formation and potential for purification of BFDV VLPs in Nicotiana benthamiana. METHODS The BFDV CP was transiently expressed in N. benthamiana using an Agrobacterium-mediated system and plant expression vectors that included a bean yellow dwarf virus (BeYDV)-based replicating DNA vector. Plant-produced BFDV CP was detected using immunoblotting. VLPs were purified using sucrose cushion and CsCl density gradient centrifugation and visualised using transmission electron microscopy. RESULTS In this study we demonstrate that the BFDV CP can be successfully expressed in N. benthamiana, albeit at relatively low yield. Using a purification strategy based on centrifugation we demonstrated that the expressed CP can self-assemble into VLPs that can be detected using electron microscopy. These plant-produced BFDV VLPs resemble those produced in established recombinant expression systems and infectious virions. It is possible that the VLPs are spontaneously incorporating amplicon DNA produced from the replicating BeYDV plant vector. CONCLUSIONS This is the first report of plant-made full-length BFDV CP assembling into VLPs. The putative pseudovirions could be used to further the efficacy of vaccines against BFDV.
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Affiliation(s)
- Guy L. Regnard
- Biopharming Research Unit, Department of Molecular and Cell Biology, Faculty of Science, University of Cape Town, Rondebosch 7701, Cape Town, South Africa
| | - Edward P. Rybicki
- Biopharming Research Unit, Department of Molecular and Cell Biology, Faculty of Science, University of Cape Town, Rondebosch 7701, Cape Town, South Africa
- Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Observatory 7925, Cape Town, South Africa
| | - Inga I. Hitzeroth
- Biopharming Research Unit, Department of Molecular and Cell Biology, Faculty of Science, University of Cape Town, Rondebosch 7701, Cape Town, South Africa
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Disease Prevention: An Opportunity to Expand Edible Plant-Based Vaccines? Vaccines (Basel) 2017; 5:vaccines5020014. [PMID: 28556800 PMCID: PMC5492011 DOI: 10.3390/vaccines5020014] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 05/19/2017] [Accepted: 05/23/2017] [Indexed: 12/17/2022] Open
Abstract
The lethality of infectious diseases has decreased due to the implementation of crucial sanitary procedures such as vaccination. However, the resurgence of pathogenic diseases in different parts of the world has revealed the importance of identifying novel, rapid, and concrete solutions for control and prevention. Edible vaccines pose an interesting alternative that could overcome some of the constraints of traditional vaccines. The term “edible vaccine” refers to the use of edible parts of a plant that has been genetically modified to produce specific components of a particular pathogen to generate protection against a disease. The aim of this review is to present and critically examine “edible vaccines” as an option for global immunization against pathogenic diseases and their outbreaks and to discuss the necessary steps for their production and control and the list of plants that may already be used as edible vaccines. Additionally, this review discusses the required standards and ethical regulations as well as the advantages and disadvantages associated with this powerful biotechnology tool.
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Wang B, Kashkooli AB, Sallets A, Ting HM, de Ruijter NCA, Olofsson L, Brodelius P, Pottier M, Boutry M, Bouwmeester H, van der Krol AR. Transient production of artemisinin in Nicotiana benthamiana is boosted by a specific lipid transfer protein from A. annua. Metab Eng 2016; 38:159-169. [PMID: 27421621 DOI: 10.1016/j.ymben.2016.07.004] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 06/12/2016] [Accepted: 07/12/2016] [Indexed: 12/11/2022]
Abstract
Our lack of full understanding of transport and sequestration of the heterologous products currently limit metabolic engineering in plants for the production of high value terpenes. For instance, although all genes of the artemisinin/arteannuin B (AN/AB) biosynthesis pathway (AN-PW) from Artemisia annua have been identified, ectopic expression of these genes in Nicotiana benthamiana yielded mostly glycosylated pathway intermediates and only very little free (dihydro)artemisinic acid [(DH)AA]. Here we demonstrate that Lipid Transfer Protein 3 (AaLTP3) and the transporter Pleiotropic Drug Resistance 2 (AaPDR2) from A. annua enhance accumulation of (DH)AA in the apoplast of N. benthamiana leaves. Analysis of apoplast and cell content and apoplast exclusion assays show that AaLTP3 and AaPDR2 prevent reflux of (DH)AA from the apoplast back into the cells and enhances overall flux through the pathway. Moreover, AaLTP3 is stabilized in the presence of AN-PW activity and co-expression of AN-PW+AaLTP3+AaPDR2 genes yielded AN and AB in necrotic N. benthamiana leaves at 13 days post-agroinfiltration. This newly discovered function of LTPs opens up new possibilities for the engineering of biosynthesis pathways of high value terpenes in heterologous expression systems.
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Affiliation(s)
- Bo Wang
- Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Arman Beyraghdar Kashkooli
- Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Adrienne Sallets
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 4-5, Box L7.07.14, 1348 Louvain-la-Neuve, Belgium
| | - Hieng-Ming Ting
- Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Norbert C A de Ruijter
- Laboratory of Cell Biology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Linda Olofsson
- Department of Chemistry and Biomedical Sciences, Linnaeus University, SE-38192 Kalmar, Sweden
| | - Peter Brodelius
- Department of Chemistry and Biomedical Sciences, Linnaeus University, SE-38192 Kalmar, Sweden
| | - Mathieu Pottier
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 4-5, Box L7.07.14, 1348 Louvain-la-Neuve, Belgium
| | - Marc Boutry
- Institut des Sciences de la Vie, Université catholique de Louvain, Croix du Sud, 4-5, Box L7.07.14, 1348 Louvain-la-Neuve, Belgium
| | - Harro Bouwmeester
- Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Alexander R van der Krol
- Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
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24
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Advances in novel influenza vaccines: a patent review. J Microbiol 2016; 54:403-12. [PMID: 27225456 DOI: 10.1007/s12275-016-6176-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 05/17/2016] [Accepted: 05/18/2016] [Indexed: 12/11/2022]
Abstract
The threat of a major human influenza pandemic such as the avian H5N1 or the 2009 new H1N1 has emphasized the need for effective prevention strategies to combat these pathogens. Although egg based influenza vaccines have been well established for a long time, it remains an ongoing public health need to develop alternative production methods that ensures improved safety, efficacy, and ease of administration compared with conventional influenza vaccines. This article is intended to cover some of the recent advances and related patents on the development of influenza vaccines including live attenuated, cell based, genomic and synthetic peptide vaccines.
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25
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Burlakovskiy MS, Yemelyanov VV, Lutova LA. Plant Based Bioreactors of Recombinant Cytokines (Review). APPL BIOCHEM MICRO+ 2016; 52:121-137. [PMID: 32214409 PMCID: PMC7087682 DOI: 10.1134/s0003683816020034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Indexed: 01/16/2023]
Abstract
Cytokines are a family of signaling polypeptides involved in intercellular interactions in the process of the immune response, as well as in the regulation of a number of normal physiological functions. Cytokines are used in medicine for the treatment of cancer, immune disorders, viral infections, and other socially significant diseases, but the extent of their use is limited by the high production cost of the active agent. The development of this area of pharmacology is associated with the success of genetic engineering, which allows the production of significant amounts of protein by transgenic organisms. The review discusses the latest advances in the production of various cytokines with the use of genetically modified plants.
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Affiliation(s)
- M. S. Burlakovskiy
- Biology Faculty, St. Petersburg State University, St. Petersburg, 199034 Russia
| | - V. V. Yemelyanov
- Biology Faculty, St. Petersburg State University, St. Petersburg, 199034 Russia
| | - L. A. Lutova
- Biology Faculty, St. Petersburg State University, St. Petersburg, 199034 Russia
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26
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Bitrus Y, Andrew JN, Owolodun OA, Luka PD, Umaru DA. The reoccurrence of H5N1 outbreaks necessitates the development of safe and effective influenza vaccine technologies for the prevention and control of avian influenza in Sub-Saharan Africa. ACTA ACUST UNITED AC 2015. [DOI: 10.5897/bmbr2015.0246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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27
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Fahad S, Khan FA, Pandupuspitasari NS, Ahmed MM, Liao YC, Waheed MT, Sameeullah M, Darkhshan, Hussain S, Saud S, Hassan S, Jan A, Jan MT, Wu C, Chun MX, Huang J. Recent developments in therapeutic protein expression technologies in plants. Biotechnol Lett 2015; 37:265-79. [PMID: 25326175 PMCID: PMC7088338 DOI: 10.1007/s10529-014-1699-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 10/06/2014] [Indexed: 12/17/2022]
Abstract
Infectious diseases and cancers are some of the commonest causes of deaths throughout the world. The previous two decades have witnessed a combined endeavor across various biological sciences to address this issue in novel ways. The advent of recombinant DNA technologies has provided the tools for producing recombinant proteins that can be used as therapeutic agents. A number of expression systems have been developed for the production of pharmaceutical products. Recently, advances have been made using plants as bioreactors to produce therapeutic proteins directed against infectious diseases and cancers. This review highlights the recent progress in therapeutic protein expression in plants (stable and transient), the factors affecting heterologous protein expression, vector systems and recent developments in existing technologies and steps towards the industrial production of plant-made vaccines, antibodies, and biopharmaceuticals.
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Affiliation(s)
- Shah Fahad
- National Key Laboratory of Crop Genetic Improvement, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Hongshan District, Wuhan, 430070 Hubei China
| | - Faheem Ahmed Khan
- Molecular Biotechnology Laboratory for Triticeae Crops, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction, Huazhong Agricultural University, Wuhan, 430070 China
| | | | | | - Yu Cai Liao
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | | | - Muhammad Sameeullah
- Biotechnology Lab., Department of Biology, Faculty of Science and Arts, Abant Izzet Baysal University, Golkoy Campus, 14280 Bolu, Turkey
| | - Darkhshan
- Women Institute of Learning, Abbottabad, Pakistan
| | - Saddam Hussain
- National Key Laboratory of Crop Genetic Improvement, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Hongshan District, Wuhan, 430070 Hubei China
| | - Shah Saud
- Department of Horticultural, Northeast Agricultural University, Harbin, 150030 China
| | - Shah Hassan
- Agriculture University, Peshawar, 25000 Pakistan
| | | | | | - Chao Wu
- National Key Laboratory of Crop Genetic Improvement, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Hongshan District, Wuhan, 430070 Hubei China
| | - Ma Xiao Chun
- National Key Laboratory of Crop Genetic Improvement, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Hongshan District, Wuhan, 430070 Hubei China
| | - Jianliang Huang
- National Key Laboratory of Crop Genetic Improvement, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Hongshan District, Wuhan, 430070 Hubei China
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28
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Jacquet N, Navarre C, Desmecht D, Boutry M. Hydrophobin fusion of an influenza virus hemagglutinin allows high transient expression in Nicotiana benthamiana, easy purification and immune response with neutralizing activity. PLoS One 2014; 9:e115944. [PMID: 25541987 PMCID: PMC4277400 DOI: 10.1371/journal.pone.0115944] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 11/30/2014] [Indexed: 12/02/2022] Open
Abstract
The expression of recombinant hemagglutinin in plants is a promising alternative to the current egg-based production system for the influenza vaccines. Protein-stabilizing fusion partners have been developed to overcome the low production yields and the high downstream process costs associated with the plant expression system. In this context, we tested the fusion of hydrophobin I to the hemagglutinin ectodomain of the influenza A (H1N1)pdm09 virus controlled by the hybrid En2PMA4 transcriptional promoter to rapidly produce high levels of recombinant antigen by transient expression in agro-infiltrated Nicotiana benthamiana leaves. The fusion increased the expression level by a factor of ∼ 2.5 compared to the unfused protein allowing a high accumulation level of 8.6% of the total soluble proteins. Hemagglutinin was located in ER-derived protein bodies and was successfully purified by combining an aqueous-two phase partition system and a salting out step. Hydrophobin interactions allowed the formation of high molecular weight hemagglutinin structures, while unfused proteins were produced as monomers. Purified protein was shown to be biologically active and to induce neutralizing antibodies after mice immunization. Hydrophobin fusion to influenza hemagglutinin might therefore be a promising approach for rapid, easy, and low cost production of seasonal or pandemic influenza vaccines in plants.
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Affiliation(s)
- Nicolas Jacquet
- Institute of Life Sciences, University of Louvain, Louvain-la-Neuve, Belgium
| | - Catherine Navarre
- Institute of Life Sciences, University of Louvain, Louvain-la-Neuve, Belgium
| | - Daniel Desmecht
- Department of Pathology, Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Marc Boutry
- Institute of Life Sciences, University of Louvain, Louvain-la-Neuve, Belgium
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29
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Nguyen TQ, Van TTH, Lin YC, Van TNN, Bui KC, Le QG, Do TH, Le TTH, Vo VC, Truong VD, Smooker PM, Coloe PJ, Truong NH. A potential protein-based vaccine for influenza H5N1 from the recombinant HA1 domain of avian influenza A/H5N1 expressed in Pichia pastoris. Future Virol 2014. [DOI: 10.2217/fvl.14.93] [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
ABSTRACT The HA1 genes from influenza A strains A/Puerto Rico/8/1934 H1N1 (A/PR/8/34) and A/Hatay/2004 H5N1 were each cloned in Pichia pastoris vectors in the correct reading frame with the yeast α-factor secretion signal and the C-terminus His-tag, resulting in simple, fast purification of expressed H1HA1 and H5HA1 protein from the culture medium. Mice vaccinated with the purified proteins showed robust T cell, anti-HA1 IgG responses and developed a high antibody response for hemagglutination inhibition (HI) at titer 7.6 log2. Chickens vaccinated with a dose of 200 µg of H5HA1 mixed with either Montanide or Freund's adjuvants gave HI values of up to 7 log2 at the third week comparable with a licensed inactivated H5N1 vaccine.
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Affiliation(s)
- Thi Quy Nguyen
- Institute of Biotechnology, Vietnam Academy of Science & Technology, Ha Noi, Vietnam
| | - Thi Thu Hao Van
- School of Applied Sciences, RMIT University, Victoria, Australia
| | - Yu-Chen Lin
- School of Applied Sciences, RMIT University, Victoria, Australia
| | - Thi Nhu Ngoc Van
- Institute of Biotechnology, Vietnam Academy of Science & Technology, Ha Noi, Vietnam
| | - Khanh Chi Bui
- Institute of Biotechnology, Vietnam Academy of Science & Technology, Ha Noi, Vietnam
| | - Quynh Giang Le
- Institute of Biotechnology, Vietnam Academy of Science & Technology, Ha Noi, Vietnam
| | - Thi Huyen Do
- Institute of Biotechnology, Vietnam Academy of Science & Technology, Ha Noi, Vietnam
| | - Thi Thu Hong Le
- Institute of Biotechnology, Vietnam Academy of Science & Technology, Ha Noi, Vietnam
| | | | | | - Peter M Smooker
- School of Applied Sciences, RMIT University, Victoria, Australia
| | - Peter J Coloe
- School of Applied Sciences, RMIT University, Victoria, Australia
| | - Nam Hai Truong
- Institute of Biotechnology, Vietnam Academy of Science & Technology, Ha Noi, Vietnam
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30
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Peyret H, Lomonossoff GP. The pEAQ vector series: the easy and quick way to produce recombinant proteins in plants. PLANT MOLECULAR BIOLOGY 2013; 83:51-8. [PMID: 23479085 DOI: 10.1007/s11103-013-0036-1] [Citation(s) in RCA: 114] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Accepted: 02/26/2013] [Indexed: 05/20/2023]
Abstract
The pEAQ vectors are a series of plasmids designed to allow easy and quick production of recombinant proteins in plants. Their main feature is the use of the Cowpea Mosaic Virus hypertranslational "CPMV-HT" expression system, which provides high yields of recombinant protein through extremely high translational efficiency without the need for viral replication. Since their creation, the pEAQ vectors have been used to produce a wide variety of proteins in plants. Viral proteins and Virus-Like Particles (VLPs) have been of particular interest, but other types of proteins including active enzymes have also been expressed. While the pEAQ vectors have mostly been used in a transient expression context, through agroinfiltration of leaves, they have also been shown to be suitable for the production of stably transformed lines of both cell cultures and whole plants. This paper looks back on the genesis of the pEAQ vectors and reviews their use so far.
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Affiliation(s)
- Hadrien Peyret
- Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Colney, Norwich, NR4 7UH, UK.
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31
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Gómez E, Lucero MS, Chimeno Zoth S, Carballeda JM, Gravisaco MJ, Berinstein A. Transient expression of VP2 in Nicotiana benthamiana and its use as a plant-based vaccine against infectious bursal disease virus. Vaccine 2013; 31:2623-7. [PMID: 23583894 DOI: 10.1016/j.vaccine.2013.03.064] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Revised: 03/06/2013] [Accepted: 03/28/2013] [Indexed: 01/28/2023]
Abstract
Infectious Bursal Disease Virus (IBDV) is the etiological agent of an immunosuppressive and highly contagious disease that affects young birds. This disease causes important economic losses in the poultry industry worldwide. The VP2 protein has been used for the development of subunit vaccines in a variety of heterologous platforms. In this context, the aim of this study was to investigate VP2 expression and immunogenicity using an experimental plant-based vaccine against IBDV. We determined that the agroinfiltration of N. benthamiana leaves allowed the production of VP2 with no apparent change on its conformational epitopes. Chickens intramuscularly immunized in a dose/boost scheme with crude concentrated extracts developed a specific humoral response with viral neutralizing ability. Given these results, it seems plausible for a plant-based vaccine to have a niche in the veterinary field. Thus, plants can be an adequate system of choice to produce immunogens against IBDV.
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Affiliation(s)
- Evangelina Gómez
- Instituto de Biotecnología, CICVyA, INTA, Castelar, Cc 25 B1712WAA, Buenos Aires, Argentina.
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32
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Shah KH, Almaghrabi B, Bohlmann H. Comparison of Expression Vectors for Transient Expression of Recombinant Proteins in Plants. PLANT MOLECULAR BIOLOGY REPORTER 2013; 31:1529-1538. [PMID: 24415845 PMCID: PMC3881577 DOI: 10.1007/s11105-013-0614-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Production of recombinant proteins in plants is of increasing importance for practical applications. However, the production of stable transformed transgenic plants is a lengthy procedure. Transient expression, on the other hand, can deliver recombinant proteins within a week, and many viral vectors have been constructed for that purpose. Each of them is reported to be highly efficient, robust and cost-effective. Here, a variety of expression vectors which were designed for transient and stable plant transformation, including pPZP3425, pPZP5025, pPZPTRBO, pJLTRBO, pEAQ-HT and pBY030-2R, was compared for the expression of green fluorescent protein and β-glucuronidase in Nicotiana benthamiana by Agrobacterium-mediated transient expression. Our results show that pPZPTRBO, pJLTRBO and pEAQ-HT had comparable expression levels without co-infiltration of a RNA-silencing inhibitor. The other vectors, including the non-viral vectors pPZP5025 and pPZP3425, needed co-infiltration of the RNA-silencing inhibitor P19 to give good expression levels.
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Affiliation(s)
- Kausar Hussain Shah
- Division of Plant Protection, Department of Crop Sciences, UFT, University of Natural Resources and Life Sciences, Vienna, Konrad Lorenz Strasse 24, 3430 Tulln Austria
| | - Bachar Almaghrabi
- Division of Plant Protection, Department of Crop Sciences, UFT, University of Natural Resources and Life Sciences, Vienna, Konrad Lorenz Strasse 24, 3430 Tulln Austria
| | - Holger Bohlmann
- Division of Plant Protection, Department of Crop Sciences, UFT, University of Natural Resources and Life Sciences, Vienna, Konrad Lorenz Strasse 24, 3430 Tulln Austria
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