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Esteves PJ, Abrantes J, Bertagnoli S, Cavadini P, Gavier-Widén D, Guitton JS, Lavazza A, Lemaitre E, Letty J, Lopes AM, Neimanis AS, Ruvoën-Clouet N, Le Pendu J, Marchandeau S, Le Gall-Reculé G. Emergence of Pathogenicity in Lagoviruses: Evolution from Pre-existing Nonpathogenic Strains or through a Species Jump? PLoS Pathog 2015; 11:e1005087. [PMID: 26540662 PMCID: PMC4634945 DOI: 10.1371/journal.ppat.1005087] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- Pedro José Esteves
- InBIO—Research Network in Biodiversity and Evolutionary Biology, CIBIO, Campus de Vairão, Universidade do Porto, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Porto, Portugal
- CESPU, Instituto de Investigação e Formação Avançada em Ciências e Tecnologias da Saúde, Gandra, Portugal
- * E-mail:
| | - Joana Abrantes
- InBIO—Research Network in Biodiversity and Evolutionary Biology, CIBIO, Campus de Vairão, Universidade do Porto, Vairão, Portugal
| | - Stéphane Bertagnoli
- UMR 1225, INRA, Toulouse, France
- INP-ENVT, University of Toulouse, Toulouse, France
| | - Patrizia Cavadini
- Proteomic Unit, Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna “Bruno Ubertini”, Brescia, Italy
| | - Dolores Gavier-Widén
- Department of Pathology and Wildlife Diseases, National Veterinary Institute, Uppsala, Sweden
| | - Jean-Sébastien Guitton
- Department of Studies and Research, National Hunting and Wildlife Agency (ONCFS), Nantes, France
| | - Antonio Lavazza
- Virology Unit, Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna “Bruno Ubertini”, Brescia, Italy
| | - Evelyne Lemaitre
- Avian and Rabbit Virology Immunology Parasitology Unit, Ploufragan-Plouzané Laboratory, French Agency for Food, Environmental and Occupational Health & Safety (Anses), Ploufragan, France
- European University of Brittany, Rennes, France
| | - Jérôme Letty
- Department of Studies and Research, National Hunting and Wildlife Agency (ONCFS), Nantes, France
| | - Ana Margarida Lopes
- InBIO—Research Network in Biodiversity and Evolutionary Biology, CIBIO, Campus de Vairão, Universidade do Porto, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Porto, Portugal
| | - Aleksija S. Neimanis
- Department of Pathology and Wildlife Diseases, National Veterinary Institute, Uppsala, Sweden
| | | | | | - Stéphane Marchandeau
- Department of Studies and Research, National Hunting and Wildlife Agency (ONCFS), Nantes, France
| | - Ghislaine Le Gall-Reculé
- Avian and Rabbit Virology Immunology Parasitology Unit, Ploufragan-Plouzané Laboratory, French Agency for Food, Environmental and Occupational Health & Safety (Anses), Ploufragan, France
- European University of Brittany, Rennes, France
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Abrantes J, van der Loo W, Le Pendu J, Esteves PJ. Rabbit haemorrhagic disease (RHD) and rabbit haemorrhagic disease virus (RHDV): a review. Vet Res 2012; 43:12. [PMID: 22325049 PMCID: PMC3331820 DOI: 10.1186/1297-9716-43-12] [Citation(s) in RCA: 254] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Accepted: 02/10/2012] [Indexed: 02/06/2023] Open
Abstract
Rabbit haemorrhagic disease virus (RHDV) is a calicivirus of the genus Lagovirus that causes rabbit haemorrhagic disease (RHD) in adult European rabbits (Oryctolagus cuniculus). First described in China in 1984, the virus rapidly spread worldwide and is nowadays considered as endemic in several countries. In Australia and New Zealand where rabbits are pests, RHDV was purposely introduced for rabbit biocontrol. Factors that may have precipitated RHD emergence remain unclear, but non-pathogenic strains seem to pre-date the appearance of the pathogenic strains suggesting a key role for the comprehension of the virus origins. All pathogenic strains are classified within one single serotype, but two subtypes are recognised, RHDV and RHDVa. RHD causes high mortality in both domestic and wild adult animals, with individuals succumbing between 48-72 h post-infection. No other species has been reported to be fatally susceptible to RHD. The disease is characterised by acute necrotising hepatitis, but haemorrhages may also be found in other organs, in particular the lungs, heart, and kidneys due to disseminated intravascular coagulation. Resistance to the disease might be explained in part by genetically determined absence or weak expression of attachment factors, but humoral immunity is also important. Disease control in rabbitries relies mainly on vaccination and biosecurity measures. Such measures are difficult to be implemented in wild populations. More recent research has indicated that RHDV might be used as a molecular tool for therapeutic applications. Although the study of RHDV and RHD has been hampered by the lack of an appropriate cell culture system for the virus, several aspects of the replication, epizootology, epidemiology and evolution have been disclosed. This review provides a broad coverage and description of the current knowledge on the disease and the virus.
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Affiliation(s)
- Joana Abrantes
- CIBIO/UP, Centro de Investigacao em Biodiversidade e Recursos Geneticos/Universidade do Porto, Campus Agrario de Vairao, 4485-661 Vairao, Portugal
- INSERM, U892, Université de Nantes, 44007 Nantes, France
| | - Wessel van der Loo
- CIBIO/UP, Centro de Investigacao em Biodiversidade e Recursos Geneticos/Universidade do Porto, Campus Agrario de Vairao, 4485-661 Vairao, Portugal
| | | | - Pedro J Esteves
- CIBIO/UP, Centro de Investigacao em Biodiversidade e Recursos Geneticos/Universidade do Porto, Campus Agrario de Vairao, 4485-661 Vairao, Portugal
- CITS, Centro de Investigacao em Tecnologias de Saude, CESPU, Gandra, Portugal
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Genetic microheterogeneity of emerging H275Y influenza virus A (H1N1) in Toronto, Ontario, Canada from the 2007–2008 respiratory season. J Clin Virol 2009; 45:142-5. [DOI: 10.1016/j.jcv.2009.04.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2008] [Revised: 03/13/2009] [Accepted: 04/20/2009] [Indexed: 11/23/2022]
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Viaplana E, Feliu JX, Corchero JL, Villaverde A. Reversible activation of a cryptic cleavage site within E. coli beta-galactosidase in beta-galactosidase fusion proteins. BIOCHIMICA ET BIOPHYSICA ACTA 1997; 1343:221-6. [PMID: 9434112 DOI: 10.1016/s0167-4838(97)00114-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The VP60 capsid protein of rabbit haemorrhagic disease virus (60 kDa) has been fused to the C-terminus of beta-galactosidase and produced in E. coli from two related expression vectors. One of these vectors, carries a 429 bp DNA segment encoding the N-terminus peptide of VP60, and directs the synthesis of a larger fusion that contains the entire viral protein. Both fusion proteins are efficiently cleaved at a presumed trypsin-like target site within the carboxy moiety of beta-galactosidase (Arg 611-Thr 612), which is activated by the presence of the viral partner. In the larger fusion, VP60 is released by a cleavage within the linker region that affects about 10% of the chimeric proteins. In this situation, the resulting beta-galactosidase-like fragment recovers its natural proteolytic stability. These results prove that cryptic cleavage sites in beta-galactosidase can be efficiently activated in a fusion protein and suggest that this activation is based on reversible steric constraints generated by the fusion partner.
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Affiliation(s)
- E Viaplana
- Department de Genètica i Microbiologia, Universitat Autònoma de Barcelona, Bellaterra, Spain
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