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Barroso SPC, Vicente Dos Santos AC, Souza Dos Santos P, Dos Santos Silva Couceiro JN, Fernandes Ferreira D, Nico D, Morrot A, Lima Silva J, Cheble de Oliveira A. Inactivation of avian influenza viruses by hydrostatic pressure as a potential vaccine development approach. Access Microbiol 2021; 3:000220. [PMID: 34151171 PMCID: PMC8208760 DOI: 10.1099/acmi.0.000220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 03/04/2021] [Indexed: 11/21/2022] Open
Abstract
Vaccines are a recommended strategy for controlling influenza A infections in humans and animals. Here, we describe the effects of hydrostatic pressure on the structure, morphology and functional characteristics of avian influenza A H3N8 virus. The effect of hydrostatic pressure for 3 h on H3N8 virus revealed that the particles were resistant to this condition, and the virus displayed only a discrete conformational change. We found that pressure of 3 kbar applied for 6 h was able to inhibit haemagglutination and infectivity while virus replication was no longer observed, suggesting that full virus inactivation occurred at this point. However, the neuraminidase activity was not affected at this approach suggesting the maintenance of neutralizing antibody epitopes in this key antigen. Our data bring important information for the area of structural virology of enveloped particles and support the idea of applying pressure-induced inactivation as a tool for vaccine production.
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Affiliation(s)
- Shana Priscila Coutinho Barroso
- Laboratório de Termodinâmica de Proteínas e Estruturas Virais Gregorio Weber, Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, 21941-590, Rio de Janeiro, RJ, Brazil.,Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil.,Laboratório de Biologia Molecular, Instituto de Pesquisas Biomédicas, Hospital Naval Marcílio Dias, Marinha do Brasil, Brazil
| | - Ana Clara Vicente Dos Santos
- Laboratório de Termodinâmica de Proteínas e Estruturas Virais Gregorio Weber, Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, 21941-590, Rio de Janeiro, RJ, Brazil.,Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - Patrícia Souza Dos Santos
- Laboratório de Termodinâmica de Proteínas e Estruturas Virais Gregorio Weber, Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, 21941-590, Rio de Janeiro, RJ, Brazil.,Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil.,Centro Universitário IBMR, Rio de Janeiro, RJ, Brazil
| | | | - Davis Fernandes Ferreira
- Departamento de Virologia, Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Dirlei Nico
- Departamento de Virologia, Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Alexandre Morrot
- Laboratório de Imunoparasitologia, Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brazil.,Faculdade de Medicina, Departamento de Clínica Médica, Centro de Pesquisa em Tuberculose,, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Jerson Lima Silva
- Laboratório de Termodinâmica de Proteínas e Estruturas Virais Gregorio Weber, Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, 21941-590, Rio de Janeiro, RJ, Brazil.,Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - Andrea Cheble de Oliveira
- Laboratório de Termodinâmica de Proteínas e Estruturas Virais Gregorio Weber, Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, 21941-590, Rio de Janeiro, RJ, Brazil.,Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
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Bosch A, Gkogka E, Le Guyader FS, Loisy-Hamon F, Lee A, van Lieshout L, Marthi B, Myrmel M, Sansom A, Schultz AC, Winkler A, Zuber S, Phister T. Foodborne viruses: Detection, risk assessment, and control options in food processing. Int J Food Microbiol 2018; 285:110-128. [PMID: 30075465 PMCID: PMC7132524 DOI: 10.1016/j.ijfoodmicro.2018.06.001] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 05/31/2018] [Accepted: 06/06/2018] [Indexed: 01/07/2023]
Abstract
In a recent report by risk assessment experts on the identification of food safety priorities using the Delphi technique, foodborne viruses were recognized among the top rated food safety priorities and have become a greater concern to the food industry over the past few years. Food safety experts agreed that control measures for viruses throughout the food chain are required. However, much still needs to be understood with regard to the effectiveness of these controls and how to properly validate their performance, whether it is personal hygiene of food handlers or the effects of processing of at risk foods or the interpretation and action required on positive virus test result. This manuscript provides a description of foodborne viruses and their characteristics, their responses to stress and technologies developed for viral detection and control. In addition, the gaps in knowledge and understanding, and future perspectives on the application of viral detection and control strategies for the food industry, along with suggestions on how the food industry could implement effective control strategies for viruses in foods. The current state of the science on epidemiology, public health burden, risk assessment and management options for viruses in food processing environments will be highlighted in this review.
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Affiliation(s)
- Albert Bosch
- University of Barcelona, Enteric Virus Laboratory, Department of Genetics, Microbiology and Statistics, and Institute of Nutrition and Food Safety, Diagonal 643, 8028 Barcelona, Spain.
| | - Elissavet Gkogka
- Arla Innovation Centre, Arla R&D, Agro Food Park 19, 8200 Aarhus N, Denmark,.
| | - Françoise S Le Guyader
- IFREMER, Environment and Microbiology Laboratory, Rue de l'Ile d'Yeu, BP 21103, 44311 Nantes, France.
| | - Fabienne Loisy-Hamon
- bioMérieux, Centre Christophe Mérieux, 5 rue des berges, 38025 Grenoble, France.
| | - Alvin Lee
- Illinois Institute of Technology, Moffett Campus, 6502 South Archer Road, 60501-1957 Bedford Park, IL, United States.
| | - Lilou van Lieshout
- The International Life Sciences Institute, Av. E. Mounier 83/B.6, 1200 Brussels, Belgium.
| | - Balkumar Marthi
- Unilever R&D Vlaardingen, Olivier van Noortlaan 120, 3133 AT Vlaardingen, The Netherlands; DaQsh Consultancy Services, 203, Laxmi Residency, Kothasalipeta, Visakhapatnam 530 002, India
| | - Mette Myrmel
- Norwegian University of Life Sciences, Department of Food Safety and Infection Biology, P.O. Box 8146, 0033 Oslo, Norway.
| | - Annette Sansom
- Campden BRI Group, Station Road, Chipping Campden, GL55 6LD Gloucestershire, United Kingdom.
| | - Anna Charlotte Schultz
- National Food Institute Technical University of Denmark, Mørkhøj Bygade 19, Building H, Room 204, 2860 Søborg, Denmark.
| | - Anett Winkler
- Cargill Deutschland GmbH, Cerestarstr. 2, 47809 Krefeld, Germany.
| | - Sophie Zuber
- Nestlé Research Centre, Institute of Food Safety and Analytical Science, Vers-chez-les-Blanc, Box 44, 1000 Lausanne, Switzerland.
| | - Trevor Phister
- PepsiCo Europe, Beaumont Park 4, Leycroft Road, LE4 1ET Leicester, United Kingdom.
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Julius K, Al-Ayoubi SR, Paulus M, Tolan M, Winter R. The effects of osmolytes and crowding on the pressure-induced dissociation and inactivation of dimeric LADH. Phys Chem Chem Phys 2018; 20:7093-7104. [DOI: 10.1039/c7cp08242h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Compatible osmolytes are able to efficiently modulate the oligomeric state, stability and activity of enzymes at high pressures.
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Affiliation(s)
- Karin Julius
- Fakultät Physik/DELTA
- TU Dortmund University
- 44221 Dortmund
- Germany
| | - Samy R. Al-Ayoubi
- Physical Chemistry I – Biophysical Chemistry
- Department of Chemistry and Chemical Biology
- TU Dortmund University
- 44227 Dortmund
- Germany
| | - Michael Paulus
- Fakultät Physik/DELTA
- TU Dortmund University
- 44221 Dortmund
- Germany
| | - Metin Tolan
- Fakultät Physik/DELTA
- TU Dortmund University
- 44221 Dortmund
- Germany
| | - Roland Winter
- Physical Chemistry I – Biophysical Chemistry
- Department of Chemistry and Chemical Biology
- TU Dortmund University
- 44227 Dortmund
- Germany
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Dumard CH, Barroso SPC, Santos ACV, Alves NS, Couceiro JNSS, Gomes AMO, Santos PS, Silva JL, Oliveira AC. Stability of different influenza subtypes: How can high hydrostatic pressure be a useful tool for vaccine development? Biophys Chem 2017; 231:116-124. [PMID: 28410940 DOI: 10.1016/j.bpc.2017.04.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 04/05/2017] [Accepted: 04/05/2017] [Indexed: 01/15/2023]
Abstract
BACKGROUND Avian influenza A viruses can cross naturally into mammals and cause severe diseases, as observed for H5N1. The high lethality of human infections causes major concerns about the real risk of a possible pandemic of severe diseases to which human susceptibility may be high and universal. High hydrostatic pressure (HHP) is a valuable tool for studies regarding the folding of proteins and the assembly of macromolecular structures such as viruses; furthermore, HHP has already been demonstrated to promote viral inactivation. METHODS Here, we investigated the structural stability of avian and human influenza viruses using spectroscopic and light-scattering techniques. We found that both particles have similar structural stabilities and that HHP promotes structural changes. RESULTS HHP induced slight structural changes to both human and avian influenza viruses, and these changes were largely reversible when the pressure returned to its initial level. The spectroscopic data showed that H3N2 was more pressure-sensitive than H3N8. Structural changes did not predict changes in protein function, as H3N2 fusion activity was not affected, while H3N8 fusion activity drastically decreased. The fusion activity of H1N1 was also strongly affected by HHP. In all cases, HHP caused inactivation of the different influenza viruses. CONCLUSIONS HHP may be a useful tool for vaccine development, as it induces minor and reversible structural changes that may be associated with partial preservation of viral biological activities and may potentiate their immunogenic response while abolishing their infectivity. We also confirmed that, although pressure does not promote drastic changes in viral particle structure, it can distinctly affect viral fusion activity.
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Affiliation(s)
- Carlos Henrique Dumard
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - Shana P C Barroso
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - Ana Clara V Santos
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - Nathalia S Alves
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - José Nelson S S Couceiro
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Andre M O Gomes
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - Patricia S Santos
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil
| | - Jerson L Silva
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil.
| | - Andréa C Oliveira
- Programa de Biologia Estrutural, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil; Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Brazil.
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5
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Buckow R, Bingham J, Daglas S, Lowther S, Amos-Ritchie R, Middleton D. High pressure inactivation of selected avian viral pathogens in chicken meat homogenate. Food Control 2017. [DOI: 10.1016/j.foodcont.2016.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Barroso SPC, Nico D, Nascimento D, Santos ACV, Couceiro JNSS, Bozza FA, Ferreira AMA, Ferreira DF, Palatnik-de-Sousa CB, Souza TML, Gomes AMO, Silva JL, Oliveira AC. Intranasal Immunization with Pressure Inactivated Avian Influenza Elicits Cellular and Humoral Responses in Mice. PLoS One 2015; 10:e0128785. [PMID: 26056825 PMCID: PMC4461174 DOI: 10.1371/journal.pone.0128785] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 04/30/2015] [Indexed: 01/19/2023] Open
Abstract
Influenza viruses pose a serious global health threat, particularly in light of newly emerging strains, such as the avian influenza H5N1 and H7N9 viruses. Vaccination remains the primary method for preventing acquiring influenza or for avoiding developing serious complications related to the disease. Vaccinations based on inactivated split virus vaccines or on chemically inactivated whole virus have some important drawbacks, including changes in the immunogenic properties of the virus. To induce a greater mucosal immune response, intranasally administered vaccines are highly desired as they not only prevent disease but can also block the infection at its primary site. To avoid these drawbacks, hydrostatic pressure has been used as a potential method for viral inactivation and vaccine production. In this study, we show that hydrostatic pressure inactivates the avian influenza A H3N8 virus, while still maintaining hemagglutinin and neuraminidase functionalities. Challenged vaccinated animals showed no disease signs (ruffled fur, lethargy, weight loss, and huddling). Similarly, these animals showed less Evans Blue dye leakage and lower cell counts in their bronchoalveolar lavage fluid compared with the challenged non-vaccinated group. We found that the whole inactivated particles were capable of generating a neutralizing antibody response in serum, and IgA was also found in nasal mucosa and feces. After the vaccination and challenge we observed Th1/Th2 cytokine secretion with a prevalence of IFN-γ. Our data indicate that the animals present a satisfactory immune response after vaccination and are protected against infection. Our results may pave the way for the development of a novel pressure-based vaccine against influenza virus.
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Affiliation(s)
- Shana P. C. Barroso
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, 21941–902, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Rio de Janeiro, Brazil
- Laboratório de Vírus Respiratórios, WHO/NIC, Instituto Oswaldo Cruz/FIOCRUZ, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Dirlei Nico
- Instituto de Microbiologia Paulo Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941–590, Brazil
| | - Danielle Nascimento
- Fundação de Pesquisa Clínica Evandro Chagas, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Clara V. Santos
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, 21941–902, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Rio de Janeiro, Brazil
| | - José Nelson S. S. Couceiro
- Instituto de Microbiologia Paulo Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941–590, Brazil
| | - Fernando A. Bozza
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Rio de Janeiro, Brazil
- Fundação de Pesquisa Clínica Evandro Chagas, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana M. A. Ferreira
- Instituto de Microbiologia Paulo Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941–590, Brazil
| | - Davis F. Ferreira
- Instituto de Microbiologia Paulo Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941–590, Brazil
| | - Clarisa B. Palatnik-de-Sousa
- Instituto de Microbiologia Paulo Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 21941–590, Brazil
| | - Thiago Moreno L. Souza
- Laboratório de Vírus Respiratórios, WHO/NIC, Instituto Oswaldo Cruz/FIOCRUZ, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andre M. O. Gomes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, 21941–902, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Rio de Janeiro, Brazil
| | - Jerson L. Silva
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, 21941–902, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Rio de Janeiro, Brazil
| | - Andréa C. Oliveira
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, 21941–902, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Rio de Janeiro, Brazil
- * E-mail:
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Lou F, Neetoo H, Chen H, Li J. High hydrostatic pressure processing: a promising nonthermal technology to inactivate viruses in high-risk foods. Annu Rev Food Sci Technol 2015; 6:389-409. [PMID: 25884283 DOI: 10.1146/annurev-food-072514-104609] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Foodborne outbreaks of viral origin have become increasingly a serious public health concern. High-pressure processing (HPP), a nonthermal technology, has come to the forefront for food processing given its minimal effects on food quality. Recent studies have revealed encouraging results for the inactivation of several human viruses by HPP. This review provides comprehensive information on the use of HPP to eliminate viruses in model systems and foods. We address the influences of various parameters, including pressure level, holding time, pH, temperature, and food matrix on the efficacy of pressure inactivation of viruses, as well as insight into the mechanisms for inactivation of enveloped and nonenveloped viruses. HPP is a promising technology for mitigating virus contamination of foods, thus it is essential to identify the optimal parameters for enhancing virus inactivation while ensuring sensory and nutritional quality retention of foods.
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Affiliation(s)
- Fangfei Lou
- Department of Veterinary Biosciences, College of Veterinary Medicine
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9
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Silva JL, Barroso SPC, Mendes YS, Dumard CH, Santos PS, Gomes AMO, Oliveira AC. Pressure-Inactivated Virus: A Promising Alternative for Vaccine Production. Subcell Biochem 2015; 72:301-18. [PMID: 26174388 DOI: 10.1007/978-94-017-9918-8_15] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
In recent years, many applications in diverse scientific fields with various purposes have examined pressure as a thermodynamic parameter. Pressure studies on viruses have direct biotechnological applications. Currently, most studies that involve viral inactivation by HHP are found in the area of food engineering and focus on the inactivation of foodborne viruses. Nevertheless, studies of viral inactivation for other purposes have also been conducted. HHP has been shown to be efficient in the inactivation of many viruses of clinical importance and the use of HHP approach has been proposed for the development of animal and human vaccines. Several studies have demonstrated that pressure can result in virus inactivation while preserving immunogenic properties. Viruses contain several components that can be susceptible to the effects of pressure. HHP has been a valuable tool for assessing viral structure function relationships because the viral structure is highly dependent on protein-protein interactions. In the case of small icosahedral viruses, incremental increases in pressure produce a progressive decrease in the folding structure when moving from assembled capsids to ribonucleoprotein intermediates (in RNA viruses), free dissociated units (dimers and/or monomers) and denatured monomers. High pressure inactivates enveloped viruses by trapping their particles in a fusion-like intermediate state. The fusogenic state, which is characterized by a smaller viral volume, is the final conformation promoted by HHP, in contrast with the metastable native state, which is characterized by a larger volume. The combined effects of high pressure with other factors, such as low or subzero temperature, pH and agents in sub-denaturing conditions (urea), have been a formidable tool in the assessment of the component's structure, as well as pathogen inactivation. HHP is a technology for the production of inactivated vaccines that are free of chemicals, safe and capable of inducing strong humoral and cellular immune responses. Here we present a current overview about the pressure-induced viral inactivation and the production of inactivated viral vaccines.
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Affiliation(s)
- Jerson L Silva
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-902, Brazil,
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10
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Silva JL, Oliveira AC, Vieira TCRG, de Oliveira GAP, Suarez MC, Foguel D. High-Pressure Chemical Biology and Biotechnology. Chem Rev 2014; 114:7239-67. [DOI: 10.1021/cr400204z] [Citation(s) in RCA: 152] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jerson L. Silva
- Instituto de Bioquímica Médica Leopoldo de Meis, Instituto
Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem,
Centro Nacional de Ressonância Magnética Nuclear Jiri
Jonas, and ‡Polo Xerém, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Andrea C. Oliveira
- Instituto de Bioquímica Médica Leopoldo de Meis, Instituto
Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem,
Centro Nacional de Ressonância Magnética Nuclear Jiri
Jonas, and ‡Polo Xerém, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Tuane C. R. G. Vieira
- Instituto de Bioquímica Médica Leopoldo de Meis, Instituto
Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem,
Centro Nacional de Ressonância Magnética Nuclear Jiri
Jonas, and ‡Polo Xerém, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Guilherme A. P. de Oliveira
- Instituto de Bioquímica Médica Leopoldo de Meis, Instituto
Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem,
Centro Nacional de Ressonância Magnética Nuclear Jiri
Jonas, and ‡Polo Xerém, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Marisa C. Suarez
- Instituto de Bioquímica Médica Leopoldo de Meis, Instituto
Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem,
Centro Nacional de Ressonância Magnética Nuclear Jiri
Jonas, and ‡Polo Xerém, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Debora Foguel
- Instituto de Bioquímica Médica Leopoldo de Meis, Instituto
Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem,
Centro Nacional de Ressonância Magnética Nuclear Jiri
Jonas, and ‡Polo Xerém, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
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11
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Dumard CH, Barroso SPC, de Oliveira GAP, Carvalho CAM, Gomes AMO, Couceiro JNSS, Ferreira DF, Nico D, Oliveira AC, Silva JL, Santos PS. Full inactivation of human influenza virus by high hydrostatic pressure preserves virus structure and membrane fusion while conferring protection to mice against infection. PLoS One 2013; 8:e80785. [PMID: 24282553 PMCID: PMC3840014 DOI: 10.1371/journal.pone.0080785] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2013] [Accepted: 10/07/2013] [Indexed: 01/24/2023] Open
Abstract
Whole inactivated vaccines (WIVs) possess greater immunogenicity than split or subunit vaccines, and recent studies have demonstrated that WIVs with preserved fusogenic activity are more protective than non-fusogenic WIVs. In this work, we describe the inactivation of human influenza virus X-31 by high hydrostatic pressure (HHP) and analyze the effects on the structure by spectroscopic measurements, light scattering, and electron microscopy. We also investigated the effects of HHP on the glycoprotein activity and fusogenic activity of the viral particles. The electron microscopy data showed pore formation on the viral envelope, but the general morphology was preserved, and small variations were seen in the particle structure. The activity of hemagglutinin (HA) during the process of binding and fusion was affected in a time-dependent manner, but neuraminidase (NA) activity was not affected. Infectious activity ceased after 3 hours of pressurization, and mice were protected from infection after being vaccinated. Our results revealed full viral inactivation with overall preservation of viral structure and maintenance of fusogenic activity, thereby conferring protection against infection. A strong response consisting of serum immunoglobulin IgG1, IgG2a, and serum and mucosal IgA was also detected after vaccination. Thus, our data strongly suggest that applying hydrostatic pressure may be an effective method for developing new vaccines against influenza A as well as other viruses.
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Affiliation(s)
- Carlos H. Dumard
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Shana P. C. Barroso
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Guilherme A. P. de Oliveira
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carlos A. M. Carvalho
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andre M. O. Gomes
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - José Nelson S. S. Couceiro
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Davis F. Ferreira
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Dirlei Nico
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrea C. Oliveira
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jerson L. Silva
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
- * E-mail: (JLS); (PSS)
| | - Patrícia S. Santos
- Instituto de Bioquímica Médica and Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
- * E-mail: (JLS); (PSS)
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12
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Eichelberger SL, Sultana I, Gao J, Getie-Kebtie M, Alterman M, Eichelberger MC. Potency under pressure: the impact of hydrostatic pressure on antigenic properties of influenza virus hemagglutinin. Influenza Other Respir Viruses 2013; 7:961-8. [PMID: 23496824 PMCID: PMC4634276 DOI: 10.1111/irv.12102] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2013] [Indexed: 11/27/2022] Open
Abstract
Background Influenza vaccines are effective in protecting against illness and death caused by this seasonal pathogen. The potency of influenza vaccines is measured by single radial immunodiffusion (SRID) assay that quantifies antigenic forms of hemagglutinin (HA). Hydrostatic pressure results in loss of binding of influenza virus to red blood cells, but it is not known whether this infers loss of potency. Objectives Our goal was to determine the impact of pressure on HA antigenic structure. Methods Viruses included in the 2010–2011 trivalent influenza vaccine were subjected to increasing number of cycles at 35 000 psi in a barocycler, and the impact of this treatment measured by determining hemagglutination units (HAU) and potency. Potency was assessed by SRID and immunogenicity in mice. Results After 25 cycles of pressure, the potency measured by SRID assay was below the limit of quantification for the H1N1 and B viruses used in our study, while the H3N2 component retained some potency that was lost after 50 pressure cycles. Pressure treatment also resulted in loss of HAU, but this did not strictly correlate with the potency value. Curiously, loss of potency was abrogated when influenza A, but not B, antigens were exposed to pressure in chicken egg allantoic fluid. Protection against pressure appeared to be mediated by specific interactions because addition of bovine serum albumin did not have the same effect. Conclusions Our results show that pressure‐induced loss of potency is strain dependent and suggests that pressure treatment may be useful for identifying vaccine formulations that improve HA stability.
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Affiliation(s)
- Schafer L Eichelberger
- Division of Cellular and Gene Therapies, Office of Cell, Tissue and Gene Therapy, Bethesda, MD, USA
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13
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Bispo JAC, Bonafe CFS, Joekes I, Martinez EA, Carvalho GBM, Norberto DR. Entropy and Volume Change of Dissociation in Tobacco Mosaic Virus Probed by High Pressure. J Phys Chem B 2012. [DOI: 10.1021/jp310219k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jose A. C. Bispo
- Departamento de Tecnologia (DTEC),
Curso de Engenharia de Alimentos, Universidade Estadual de Feira de Santana (UEFS), CP 252/294, Feira de Santana,
BA, CEP 44036-900, Brazil
| | - Carlos F. S. Bonafe
- Laboratório de Termodinâmica
de Proteínas, Departamento de Bioquímica, Instituto de Biologia, Campinas, SP, CEP 13083-970,
Brazil
| | - Ines Joekes
- Departamento de Físico
Química, Instituto de Química, Universidade Estadual de Campinas (UNICAMP), Campinas, SP, CEP 13083-970,
Brazil
| | - Ernesto A. Martinez
- Departamento de Tecnologia (DTEC),
Curso de Engenharia de Alimentos, Universidade Estadual de Feira de Santana (UEFS), CP 252/294, Feira de Santana,
BA, CEP 44036-900, Brazil
| | - Giovani B. M. Carvalho
- Departamento de Tecnologia (DTEC),
Curso de Engenharia de Alimentos, Universidade Estadual de Feira de Santana (UEFS), CP 252/294, Feira de Santana,
BA, CEP 44036-900, Brazil
| | - Douglas R. Norberto
- Laboratório de Termodinâmica
de Proteínas, Departamento de Bioquímica, Instituto de Biologia, Campinas, SP, CEP 13083-970,
Brazil
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14
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Barroso SP, Nico D, Gomes DC, Santos ACVD, Couceiro JNS, de Sousa CB, da Silva JL, de Oliveira AC. Mice Vaccination with High Hydrostatic Pressure-Inactivated H3N8 Virus Protects Against Experimental Avian Flu. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.provac.2012.04.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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15
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Kovač K, Diez-Valcarce M, Hernandez M, Raspor P, Rodríguez-Lázaro D. High hydrostatic pressure as emergent technology for the elimination of foodborne viruses. Trends Food Sci Technol 2010. [DOI: 10.1016/j.tifs.2010.08.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Rivalain N, Roquain J, Demazeau G. Development of high hydrostatic pressure in biosciences: pressure effect on biological structures and potential applications in biotechnologies. Biotechnol Adv 2010; 28:659-72. [PMID: 20398747 DOI: 10.1016/j.biotechadv.2010.04.001] [Citation(s) in RCA: 130] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2010] [Revised: 04/01/2010] [Accepted: 04/04/2010] [Indexed: 11/16/2022]
Abstract
Compared to temperature, the development of pressure as a tool in the research field has emerged only recently (at the end of the XIXth century). Following several developments in Physics and Chemistry during the first half of the XXth century (in particular the synthesis of diamond in 1953-1954), high pressures were applied in Food Science, especially in Japan. The main objective was then to achieve the decontamination of foods while preserving their organoleptic properties. Now, a new step is engaged: the biological applications of high pressures, from food to pharmaceuticals and biomedical applications. This paper will focus on three main points: (i) a brief presentation of the pressure parameter and its characteristics, (ii) a description of the pressure effects on biological constituents from simple to more complex structures and (iii) a review of the different domains for which the application of high pressures is able to initiate potential developments in Biotechnologies.
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Affiliation(s)
- Nolwennig Rivalain
- ICMCB-CNRS - Université de Bordeaux - 87, avenue du Dr. Albert Schweitzer, PESSAC Cedex, France
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17
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Abstract
Disease management in the food industry is complex and includes use of good hygienic practices, antimicrobials, and immunization. Vaccines are available against many, but not all, disease agents affecting animals reared for human food. Fewer vaccines are currently licensed and widely available for human foodborne pathogens. Increased resistance to antimicrobials provides additional impetus to develop new vaccines. In addition to the need for new vaccines, new methods of vaccine production are desired. Some current methods of vaccine production can involve use of hazardous chemicals, provide inconsistent results, or present risk to vaccine recipients with certain allergies. The efficacy of high hydrostatic pressure (HHP) for inactivation of a variety of foodborne pathogenic microorganisms has been well established, and some of these microorganisms have been demonstrated to retain immunogenic properties, suggesting HHP may have application for the development of vaccines. Studies on the effect of HHP on infectivity and immunogenicity of various viruses, a protozoan parasite, and one bacterial species are presented. Control of several of these pathogens is important for animal health and economic stability in several sectors of the food industry. The research to date on the potential for vaccine development by HHP is presented.
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Affiliation(s)
- Adrienne E H Shearer
- Department of Animal and Food Sciences, University of Delaware, 044 Townsend Hall, 531 South College Avenue, Newark, Delaware 19716-2150, USA.
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18
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M. DILEK, BOZOĞLU FARUK, AKÇELİK MUSTAFA, BAYINDIRLI ALEV. EFFECT OF HIGH PRESSURE ON LACTOCOCCAL BACTERIOPHAGES. J Food Saf 2009. [DOI: 10.1111/j.1745-4565.2008.00136.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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Gaspar LP, Mendes YS, Yamamura AMY, Almeida LFC, Caride E, Gonçalves RB, Silva JL, Oliveira AC, Galler R, Freire MS. Pressure-inactivated yellow fever 17DD virus: implications for vaccine development. J Virol Methods 2008; 150:57-62. [PMID: 18420285 DOI: 10.1016/j.jviromet.2008.03.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2007] [Revised: 03/03/2008] [Accepted: 03/06/2008] [Indexed: 10/22/2022]
Abstract
The successful Yellow Fever (YF) vaccine consists of the live attenuated 17D-204 or 17DD viruses. Despite its excellent record of efficacy and safety, serious adverse events have been recorded and influenced extensive vaccination in endemic areas. Therefore, alternative strategies should be considered, which may include inactivated whole virus. High hydrostatic pressure has been described as a method for viral inactivation and vaccine development. The present study evaluated whether high hydrostatic pressure would inactivate the YF 17DD virus. YF 17DD virus was grown in Vero cells in roller bottle cultures and subjected to 310MPa for 3h at 4 degrees C. This treatment abolished YF infectivity and eliminated the ability of the virus to cause disease in mice. Pressure-inactivated virus elicited low level of neutralizing antibody titers although exhibited complete protection against an otherwise lethal challenge with 17DD virus in the murine model. The data warrant further development of pressure-inactivated vaccine against YF.
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Affiliation(s)
- Luciane P Gaspar
- Programa de Vacinas Virais, Instituto de Tecnologia em Imunobiológicos, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil.
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20
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Effects of high hydrostatic pressure on Eimeria acervulina pathogenicity, immunogenicity and structural integrity. INNOV FOOD SCI EMERG 2007. [DOI: 10.1016/j.ifset.2007.01.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Kingsley DH, Guan D, Hoover DG, Chen H. Inactivation of hepatitis A virus by high-pressure processing: the role of temperature and pressure oscillation. J Food Prot 2006; 69:2454-9. [PMID: 17066927 DOI: 10.4315/0362-028x-69.10.2454] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Inactivation of hepatitis A virus (HAV) in Dulbecco's modified Eagle medium with 10% fetal bovine serum was studied at pressures of 300, 350, and 400 MPa and initial sample temperatures of -10, 0, 5, 10, 20, 30, 40, and 50 degrees C. Sample temperature during pressure application strongly influenced the efficiency of HAV inactivation. Elevated temperature (> 30 degrees C) enhanced pressure inactivation of HAV, while lower temperatures resulted in less inactivation. For example, 1-min treatments of 400 MPa at -10, 20, and 50 degrees C reduced titers of HAV by 1.0, 2.5, and 4.7 log PFU/ml, respectively. Pressure inactivation curves of HAV were obtained at 400 MPa and three temperatures (-10, 20, and 50 degrees C). With increasing treatment time, all three temperatures showed a rapid initial drop in virus titer with a diminishing inactivation rate (or tailing effect). Analysis of inactivation data indicated that the Weibull model more adequately fitted the inactivation curves than the linear model. Oscillatory high-pressure processing for 2, 4, 6, and 8 cycles at 400 MPa and temperatures of 20 and 50 degrees C did not considerably enhance pressure inactivation of HAV as compared with continuous high-pressure application. These results indicate that HAV exhibits, unlike other viruses examined to date, a reduced sensitivity to high pressure observed at cooler treatment temperatures. This work suggested that slightly elevated temperatures are advantageous for pressure inactivation of HAV within foods.
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Affiliation(s)
- David H Kingsley
- U.S. Department of Agriculture, Agricultural Research Service, Microbial Food Safety Research Unit, James W. W. Baker Center, Delaware State University, Dover, Delaware 19901, USA
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22
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Grove SF, Lee A, Lewis T, Stewart CM, Chen H, Hoover DG. Inactivation of foodborne viruses of significance by high pressure and other processes. J Food Prot 2006; 69:957-68. [PMID: 16629048 DOI: 10.4315/0362-028x-69.4.957] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The overall safety of a food product is an important component in the mix of considerations for processing, distribution, and sale. With constant commercial demand for superior food products to sustain consumer interest, nonthermal processing technologies have drawn considerable attention for their ability to assist development of new products with improved quality attributes for the marketplace. This review focuses primarily on the nonthermal processing technology high-pressure processing (HPP) and examines current status of its use in the control and elimination of pathogenic human viruses in food products. There is particular emphasis on noroviruses and hepatitis A virus with regard to the consumption of raw oysters, because noroviruses and hepatitis A virus are the two predominant types of viruses that cause foodborne illness. Also, application of HPP to whole-shell oysters carries multiple benefits that increase the popularity of HPP usage for these foods. Viruses have demonstrated a wide range of sensitivities in response to high hydrostatic pressure. Viral inactivation by pressure has not always been predictable based on nomenclature and morphology of the virus. Studies have been complicated in part from the inherent difficulties of working with human infectious viruses. Consequently, continued study of viral inactivation by HPP is warranted.
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Affiliation(s)
- Stephen F Grove
- Food Science Australia, CSIRO, Werribee, Victoria, Australia
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23
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Tan CY, Xu CH, Ruan KC. Folding studies of two hydrostatic pressure sensitive proteins. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2006; 1764:481-8. [PMID: 16446131 DOI: 10.1016/j.bbapap.2005.12.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2005] [Revised: 12/14/2005] [Accepted: 12/22/2005] [Indexed: 10/25/2022]
Abstract
High hydrostatic pressure combined with various spectroscopies is a powerful technique to study protein folding. An ideal model system for protein folding studies should have the following characteristics. (1) The protein should be sensitive to pressure, so that the protein can be unfolded under mild pressure. (2) The folding process of the protein should be easily modulated by several chemical or physical factors. (3) The folding process should be easily monitored by some spectroscopic parameters. Here, we summarized the pressure induced folding studies of two proteins isolated from spinach photosystem II, namely the 23-kDa and the 33-kDa protein. They have all the characteristics mention above and might be an ideal model protein system for pressure studies.
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Affiliation(s)
- Cui-Yan Tan
- Key Laboratory of Proteomics, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, the Chinese Academy of Sciences, Shanghai 200031, China
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24
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Knorr D, Heinz V, Buckow R. High pressure application for food biopolymers. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2006; 1764:619-31. [PMID: 16540383 DOI: 10.1016/j.bbapap.2006.01.017] [Citation(s) in RCA: 207] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2005] [Revised: 01/23/2006] [Accepted: 01/23/2006] [Indexed: 11/18/2022]
Abstract
High hydrostatic pressure constitutes an efficient physical tool to modify food biopolymers, such as proteins or starches. This review presents data on the effects of high hydrostatic pressure in combination with temperature on protein stability, enzymatic activity and starch gelatinization. Attention is given to the protein thermodynamics in response to combined pressure and temperature treatments specifically on the pressure-temperature-isokineticity phase diagrams of selected enzymes, prions and starches relevant in food processing and biotechnology.
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Affiliation(s)
- Dietrich Knorr
- Department of Food Biotechnology and Food Process Engineering, Berlin Technical University, Königin-Luise-Str. 22, D-14195 Berlin, Germany.
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25
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Chen H, Hoover DG, Kingsley DH. Temperature and treatment time influence high hydrostatic pressure inactivation of feline calicivirus, a norovirus surrogate. J Food Prot 2005; 68:2389-94. [PMID: 16300078 DOI: 10.4315/0362-028x-68.11.2389] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Interest in high hydrostatic pressure processing as a nonthermal pasteurization process for foods continues to increase. Feline calicivirus (FCV), a propagable virus that is genetically related to the nonpropagable human noroviruses, was used for detailed evaluation of the high pressure processing parameters necessary for virus inactivation. Pressure inactivation curves of FCV strain KCD in Dulbecco's modified Eagle medium with 10% fetal bovine serum were obtained at 200 and 250 MPa as a function of time at room temperature. Pressure inactivation curves at 200 and 250 MPa also were determined as a function of temperature ranging from --10 to 50 degrees C at treatment times of 4 and 2 min, respectively. Tailing was observed for inactivation as a function of treatment time, indicating that the linear model was not adequate for describing these curves. The two nonlinear models, the log logistic and Weibull functions, consistently produced better fit to inactivation curves than did the linear model. The mean square errors were 0.381 for the log logistic model, 0.425 for the Weibull model, and 1.546 for the linear model. For inactivation as a function of temperature, FCV was most resistant to pressure at 20 degrees C. Temperatures above and below 20 degrees C significantly increased pressure inactivation of FCV. A 4-min treatment of 200 MPa at --10 and 50 degrees C reduced the titer of FCV by 5.0 and 4.0 log units, respectively; whereas at 20 degrees C the same treatment only reduced the titer by 0.3 log units. These novel results point to the potential for using temperatures above and particularly below room temperature to lower the pressure needed to cause the desired level of virus inactivation.
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Affiliation(s)
- Haiqiang Chen
- Department of Animal & Food Sciences, University of Delaware, Newark, Delaware 19716-2150, USA
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26
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High pressure processing of shellfish: A review of microbiological and other quality aspects. INNOV FOOD SCI EMERG 2005. [DOI: 10.1016/j.ifset.2005.04.001] [Citation(s) in RCA: 180] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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27
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Abstract
Inactivation curves of phage lambda cI 857 inactivated by high hydrostatic pressure were obtained at three pressure levels (300, 350, and 400 MPa) in buffered media and ultrahigh-temperature 2% reduced fat milk. Pressurization of phage lambda in buffered media at 300 MPa for 300 min, 350 MPa for 36 min, and 400 MPa for 8 min reduced the titer of phage lambda by 7.5, 6.7, and 7.7 log, respectively. Pressurization of phage lambda in milk at 300 MPa for 400 min, 350 MPa for 80 min, and 400 MPa for 20 min reduced the titer of phage lambda by 5.4, 6.4, and 7.1 log, respectively. Tailing was observed in all inactivation curves, indicating that the linear model was not adequate for describing these curves. Among the three nonlinear models studied, the Weibull and log-logistic models consistently produced best fits to all inactivation curves, and the modified Gompertz model the poorest. Because there were no significant differences in the values of shape factor (n) for suspension medium buffer, we reduced the number of parameters in the Weibull model from two to one by setting n at the mean value. The simplified Weibull model produced a fit comparable to the full model. Additionally, the simplified Weibull model allowed predictions to be made at pressures different from the experimental pressures. Menstruum was found to significantly affect the pressure resistance of phage lambda. Comparison of pressure inactivation of hepatitis A virus and phage lambda indicated that phage lambda is more sensitive to pressure than hepatitis A virus in Dulbecco's modified Eagle medium with 10% fetal bovine sera.
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Affiliation(s)
- Haiqiang Chen
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware 19716-2150, USA
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28
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Affiliation(s)
- Antonio D Molina-García
- Department of Engineering, Instituto del Frío, C.S.I.C., José Antonio Novais, 10, Ciudad Universitaria, 28040 Madrid, Spain.
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29
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Gomes AMO, Pinheiro AS, Bonafe CFS, Silva JL. Pressure-induced fusogenic conformation of vesicular stomatitis virus glycoprotein. Biochemistry 2003; 42:5540-6. [PMID: 12731897 DOI: 10.1021/bi027207k] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Vesicular stomatitis virus (VSV) is composed of a ribonucleoprotein core surrounded by a lipid envelope presenting an integral glycoprotein (G). The homotrimeric VSV G protein exhibits a membrane fusion activity that can be elicited by low pH. The fusion event is crucial to entry into the cell and disassembly followed by viral replication. To understand the conformational changes involved in this process, the effects of high hydrostatic pressure and urea on VSV particles and isolated G protein were investigated. With pressures up to 3.0 kbar VSV particles were converted into the fusogenic conformation, as measured by a fusion assay and by the binding of bis-ANS. The magnitude of the changes was similar to that promoted by lowering the pH. To further understand the relationship between stability and conversion into the fusion-active states, the stability of the G protein was tested against urea and high pressure. High urea produced a large red shift in the tryptophan fluorescence of G protein whereas pressure promoted a smaller change. Pressure induced equal fluorescence changes in isolated G protein and virions, indicating that virus inactivation induced by pressure is due to changes in the G protein. Fluorescence microscopy showed that pressurized particles were capable of fusing with the cell membrane without causing infection. We propose that pressure elicits a conformational change in the G protein, which maintains the fusion properties but suppresses the entry of the virus by endocytosis. Binding of bis-ANS indicates the presence of hydrophobic cavities in the G protein. Pressure also caused an increase in light scattering of VSV G protein, reinforcing the hypothesis that high pressure elicits the fusogenic activity of VSV G protein. This "fusion-intermediate state" induced by pressure has minor changes in secondary structure and is likely the cause of nonproductive infections.
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Affiliation(s)
- Andre M O Gomes
- Programa de Biologia Estrutural, Departamento de Bioquímica Médica, Instituto de Ciências Biomédicas, Centro Nacional de Ressonância Magnética Nuclear de Macromoléculas, Universidade Federal do Rio de Janeiro, 21941-590 Rio de Janeiro, RJ, Brazil
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30
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Freitas TRP, Gaspar LP, Caldas LA, Silva JL, Rebello MA. Inactivation of classical swine fever virus: association of hydrostatic pressure and ultraviolet irradiation. J Virol Methods 2003; 108:205-11. [PMID: 12609688 DOI: 10.1016/s0166-0934(02)00289-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Reversible pressure-induced disassembly of several viruses has suggested the idea of using hydrostatic pressure to suppress virus infectivity. In this study, the effects of high hydrostatic pressure and ultraviolet (UV) irradiation were investigated on classical swine fever virus (CSFV) in an attempt to eliminate residual infectivity. The structural modifications were followed by intrinsic fluorescence and biological activity assays. The kinetics of CSFV inactivation showed that pressure-induced inactivation was not enough to eliminate viral infectivity. However, when pressure was applied in association with UV irradiation no infectious focus was observed. The application of these two methods against CSFV can be an attractive inactivation strategy for the development of a vaccine.
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Affiliation(s)
- T R P Freitas
- Departamento de Virologia, Instituto de Microbiologia Professor Paulo de Góes, Universidade Federal do Rio de Janeiro, 21941-590, Rio de Janeiro RJ, Brazil
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31
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Lullien-Pellerin V, Balny C. High-pressure as a tool to study some proteins’ properties: conformational modification, activity and oligomeric dissociation. INNOV FOOD SCI EMERG 2002. [DOI: 10.1016/s1466-8564(02)00045-0] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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32
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Ruan K, Balny C. High pressure static fluorescence to study macromolecular structure-function. BIOCHIMICA ET BIOPHYSICA ACTA 2002; 1595:94-102. [PMID: 11983389 DOI: 10.1016/s0167-4838(01)00337-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Through some typical examples, the high pressure static fluorescence method is described. The potentiality of the intrinsic and extrinsic fluorescence probes are analyzed for structural characterizations. Special attention is given to the use of fluorescence to understand the behavior of enzymatic reactions under high pressure. The application of fluorescence polarization is also presented together with some relevant spectroscopic problems inherent in data interpretation.
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Affiliation(s)
- Kangcheng Ruan
- Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Science, Chinese Academy of Sciences, Shanghai, PR China
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33
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Silva JL, Oliveira AC, Gomes AMO, Lima LMTR, Mohana-Borges R, Pacheco ABF, Foguel D. Pressure induces folding intermediates that are crucial for protein-DNA recognition and virus assembly. BIOCHIMICA ET BIOPHYSICA ACTA 2002; 1595:250-65. [PMID: 11983400 DOI: 10.1016/s0167-4838(01)00348-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Protein-nucleic acid interactions are crucial for a variety of fundamental biological processes such as replication, transcription, restriction, translation and virus assembly. The molecular basis of protein-DNA and protein-RNA recognition is deeply related to the thermodynamics of the systems. We review here how protein-nucleic acid interactions can be approached in the same way as protein-protein interactions involved in protein folding and protein assembly, using hydrostatic pressure as the primary tool and employing several spectroscopic techniques, especially fluorescence, circular dichroism and high-resolution nuclear magnetic resonance. High pressure has the unique property of stabilizing partially folded states or molten-globule states of a protein. The competition between correct folding and misfolding, which in many proteins leads to formation of insoluble aggregates is an important problem in the biotechnology industry and in human diseases such as amyloidosis, Alzheimer's, prion and tumor diseases. The pressure studies reveal that a gradient of partially folded (molten globule) conformations is present between the unfolded and fully folded structure of several bacteria, plant and mammalian viruses. Using pressure, we have detected the presence of a ribonucleoprotein intermediate, where the coat protein is partially unfolded but bound to RNA. These intermediates are potential targets for antiviral compounds. Pressure studies on viruses have direct biotechnological applications. The ability of pressure to inactivate viruses has been evaluated with a view toward the applications of vaccine development and virus sterilization. Recent studies demonstrate that pressure causes virus inactivation while preserving the immunogenic properties. There is substantial evidence that a high-pressure cycle traps a virus in the 'fusion intermediate state', not infectious but highly immunogenic.
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Affiliation(s)
- Jerson L Silva
- Programa de Biologia Estrutural, Departamento de Bioquímica Médica - ICB, Centro Nacional de Ressonância Magnética Nuclear de Macromoléculas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
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Lemay P. The use of high pressure for separation and production of bioactive molecules. BIOCHIMICA ET BIOPHYSICA ACTA 2002; 1595:357-66. [PMID: 11983408 DOI: 10.1016/s0167-4838(01)00356-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Due to its action on the forces governing inter- and intramolecular interactions, the application of high pressure to biopurification or bio-elaboration of a product are of interest. The two closely thermodynamically related parameters, pressure and temperature, render processes based on their action clean, as no chemical reagents have to be added (and thus further removed) when they are applied. The use of high pressure in the development of desorption methods for the purification of bioactive molecules, particularly in the immunoaffinity field, is reviewed and discussed. Also mentioned is the application of the pressure parameter during the synthesis of a bioreagent. Finally, integrated processes relative to the synthesis and purification of these compounds are proposed.
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Affiliation(s)
- Pierre Lemay
- INSA, Laboratoire de Biotechnologie et Bioprocédés, CNRS UMR5504, INRA UMR792, Toulouse, France.
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Silva JL, Foguel D, Royer CA. Pressure provides new insights into protein folding, dynamics and structure. Trends Biochem Sci 2001; 26:612-8. [PMID: 11590014 DOI: 10.1016/s0968-0004(01)01949-1] [Citation(s) in RCA: 300] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Hydrostatic pressure is a powerful tool for studying protein folding, and the dynamics and structure of folding intermediates. Recently, pressure techniques have opened two important fronts to aid our understanding of how polypeptides fold into highly structured conformations. The first advance is the stabilization of folding intermediates, making it possible to characterize their structures and dynamics by different methodologies. Kinetic studies under pressure constitute the second advance, promising detailed appraisal and understanding of protein folding landscapes. The combination of these two approaches enables dissection of the roles of packing and cavities in folding, and in assembly of multimolecular structures such as protein-DNA complexes and viruses. The study of aggregates and amyloids, derived from partially folded intermediates at the junction between productive and off-pathway folding, have also been studied, promising better understanding of diseases associated with protein misfolding.
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Affiliation(s)
- J L Silva
- Departamento de Bioquímica Médica, Instituto de Ciências Biomédicas and Centro Nacional de Ressonância Magnética Nuclear de Macromoléculas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil.
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Ruan K, Xu C, Yu Y, Li J, Lange R, Bec N, Balny C. Pressure-exploration of the 33-kDa protein from the spinach photosystem II particle. EUROPEAN JOURNAL OF BIOCHEMISTRY 2001; 268:2742-50. [PMID: 11322896 DOI: 10.1046/j.1432-1327.2001.02171.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The 33-kDa protein isolated from the spinach photosystem II particle is an ideal model to explore high-pressure protein-unfolding. The protein has a very low free energy as previously reported by chemical unfolding studies, suggesting that it must be easy to modulate its unfolding transition by rather mild pressure. Moreover, the protein molecule consists of only one tryptophan residue (Trp241) and eight tyrosine residues, which can be conveniently used to probe the protein conformation and structural changes under pressure using either fluorescence spectroscopy or fourth derivative UV absorbance spectroscopy. The different experimental methods used in the present study indicate that at 20 degrees C and pH 6, the 33-kDa protein shows a reversible two-state unfolding transition from atmospheric pressure to about 180 MPa. This value is much lower than those found for the unfolding of most proteins studied so far. The unfolding transition induces a large red shift of the maximum fluorescence emission of 34 nm (from 316 nm to 350 nm). The change in standard free energy (DeltaGo) and in volume (DeltaV) for the transition at pH 6.0 and 20 degrees C are -14.6 kJ.mol-1 and -120 mL.mol-1, respectively, in which the DeltaGo value is consistent with that obtained by chemical denaturation. We found that pressure-induced protein unfolding is promoted by elevated temperatures, which seem largely attributed to the decrease in the absolute value of DeltaGo (only a minor variation was observed for the DeltaV value). However, the promotion of the unfolding by alkaline pH seems mainly related to the increase in DeltaV without any significant changes in DeltaGo. It was also found that NaCl significantly protects the protein from pressure-induced unfolding. In the presence of 1 M NaCl, the pressure needed to induce the half-unfold of the protein is shifted to a higher value (shift of 75 MPa) in comparison with that observed without NaCl. Interestingly, in the presence of NaCl, the value of DeltaV is significantly reduced whilst that of DeltaGo remains as before. The unfolding-refolding kinetics of the protein has also been studied by pressure-jump, in which it was revealed that both reactions are a two-state transition process with a relatively slow relaxation time of about 102 s.
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Affiliation(s)
- K Ruan
- Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Science, Chinese Academy of Sciences, China
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Pontes L, Cordeiro Y, Giongo V, Villas-Boas M, Barreto A, Araújo JR, Silva JL. Pressure-induced formation of inactive triple-shelled rotavirus particles is associated with changes in the spike protein Vp4. J Mol Biol 2001; 307:1171-9. [PMID: 11292333 DOI: 10.1006/jmbi.2001.4512] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Rotaviruses are non-enveloped, triple-shelled particles that cause enteritis in animals and humans. The interactions among the different viral proteins located in the three concentric layers make the rotavirus particle an excellent model for physico-chemical and biological studies of viral assemblage. SA11-4S rotaviruses subjected to high pressure were inactivated by more than five log units. After pressure treatment, the particles were recovered with slight structural changes when compared to the control. Electron microscopy suggested subtle changes in the viral outer layer in some pressurised particles. Fluorescence spectroscopy showed that much more dramatic changes were produced by urea denaturation than by pressure. Based on the fluorescence spectrum, the genome resistance to ribonuclease, and the absence of changes in hydrodynamic properties, there was little or no disruption of the capsid under pressure. On the other hand, hemagglutination assays indicated that the main component affected by pressure was the spike protein VP4, thus accounting for changes in interaction with host cells and greatly reduced infectivity. The changes leading to inactivation did not cause removal of VP4 from the outer capsid, as verified by size-exclusion chromatography. Antibodies raised against pressurised material were as effective as antibodies raised against the intact virus, based on their neutralisation titre in plaque reduction assays, enzyme-linked immunosorbent assays and direct interaction with the particle, as measured by gel-filtration chromatography. Therefore, the new conformation of the pressurised particle did not result in loss of immunogenicity. We propose that pressure alters the receptor-binding protein VP4 by triggering changes similar to those produced when the virus interacts with target cells. As the changes in VP4 conformation caused by pressure occur prior to virus exposure to target cells, it leads to non-infectious particles and may lead to the exposure of previously occult epitopes, important for vaccine development.
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Affiliation(s)
- L Pontes
- Departamento de Bioquímica Médica, Instituto de Ciências Biomédicas, Centro Nacional de Ressonância Magnética Nuclear de Macromoléculas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Gaspar LP, Terezan AF, Pinheiro AS, Foguel D, Rebello MA, Silva JL. The metastable state of nucleocapsids of enveloped viruses as probed by high hydrostatic pressure. J Biol Chem 2001; 276:7415-21. [PMID: 11092899 DOI: 10.1074/jbc.m010037200] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Enveloped viruses fuse their membranes with cellular membranes to transfer their genomes into cells at the beginning of infection. What is not clear, however, is the role of the envelope (lipid bilayer and glycoproteins) in the stability of the viral particle. To address this question, we compared the stability between enveloped and nucleocapsid particles of the alphavirus Mayaro using hydrostatic pressure and urea. The effects were monitored by intrinsic fluorescence, light scattering, and binding of fluorescent dyes, including bis(8-anilinonaphthalene-1-sulfonate) and ethidium bromide. Pressure caused a drastic dissociation of the nucleocapsids as determined by tryptophan fluorescence, light scattering, and gel filtration chromatography. Pressure-induced dissociation of the nucleocapsids was poorly reversible. In contrast, when the envelope was present, pressure effects were much less marked and were highly reversible. Binding of ethidium bromide occurred when nucleocapsids were dissociated under pressure, indicating exposure of the nucleic acid, whereas enveloped particles underwent no changes. Overall, our results demonstrate that removal of the envelope with the glycoproteins leads the particle to a metastable state and, during infection, may serve as the trigger for disassembly and delivery of the genome. The envelope acts as a "Trojan horse," gaining entry into the host cell to allow release of a metastable nucleocapsid prone to disassembly.
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Affiliation(s)
- L P Gaspar
- Programa de Biologia Estrutural, Departamento de Bioquimica Médica, Instituto de Ciências Biomédicas, Centro Nacional de Ressonância Magnética Nuclear de Macromoléculas, Universidade Federal do Rio de Janeiro, 21941-590, RJ, Brazil
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