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Mohammadzadeh S, Ahmadifar E, Masoudi E, Milla S, El-Shall NA, Alagawany M, Emran TB, Michalak I, Dhama K. Applications of recombinant proteins in aquaculture. AQUACULTURE 2022; 561:738701. [DOI: 10.1016/j.aquaculture.2022.738701] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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2
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Felten M, Adamek M, Gebert M, Rakers S, Steinhagen D. The influence of viral infection on cell line characteristics: Lessons learned from working with new cell lines from common carp. JOURNAL OF FISH DISEASES 2022; 45:1767-1780. [PMID: 35934930 DOI: 10.1111/jfd.13698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/20/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
Several factors influence the susceptibility of cell lines to infection by different viruses. These can be related to tissue specificity of the viruses, physiological status of the cells, their differentiation level and their capacity to mount immune responses to combat viral infection. To study the influence of cell characteristics and immune responses on their susceptibility on virus infection, newly developed cell lines from common carp brain (CCAbre), fins (CCApin), gills (CCAgill), and heart (CCAcar) and the established common carp brain (CCB) cells were exposed to the carp infecting viruses cyprinid herpesvirus 3 (CyHV-3), carp oedema virus (CEV), and the yet not fully characterized common carp paramyxovirus (CCPV). The susceptibility of these cells to viral infection was measured by formation of a cytopathic effect (CPE), estimation of viral particles produced by the cells and presence of viral mRNA in the cells. Viral susceptibility of the cells was compared to cell characteristics, measured by mRNA expression of the epithelial cell markers cadherin 1, occludin, and cytokeratin 15 and the mesenchymal cell marker vimentin, as well as to the level of type I interferon (IFN) responses. All cell lines were susceptible to CyHV-3 and CCPV but not to CEV infection. The cell lines had different levels of type I IFN responses towards the viruses. Typically, CyHV-3 did not induce high type I IFN responses, while CCPV induced high responses in CCAbre, CCAcar, CCApin cells but no response in CCAgill cells. Consequently, the type I IFN response modulated cell susceptibility to CCPV but not to CyHV-3. Interestingly, when the three different passage levels of CCB cells were examined, the susceptibility of one passage was significantly lower for CyHV-3 and higher for CCPV infection. This coincided with a loss of epithelial markers and lower type I IFN responses. This study confirms an influence of cell characteristics and immune responses on the susceptibility of carp cell lines for virus infection. Depending on the vulnerability of the virus to type I IFN responses, cells with a lower IFN-response can be superior for replication of some viruses. Batches of CCB cells can differentiate and thus may have significantly different levels of susceptibility to certain viruses.
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Affiliation(s)
- Martin Felten
- Fish Disease Research Unit, University of Veterinary Medicine, Hannover, Germany
| | - Mikolaj Adamek
- Fish Disease Research Unit, University of Veterinary Medicine, Hannover, Germany
| | - Marina Gebert
- Working Group Aquatic Cell Technology and Aquaculture, Fraunhofer Research Institution for Marine Biotechnology and Cell Technology, Lübeck, Germany
| | - Sebastian Rakers
- Working Group Aquatic Cell Technology and Aquaculture, Fraunhofer Research Institution for Marine Biotechnology and Cell Technology, Lübeck, Germany
| | - Dieter Steinhagen
- Fish Disease Research Unit, University of Veterinary Medicine, Hannover, Germany
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Proteomic Profiling Skin Mucus of European Eel Anguilla anguilla Infected with Anguillid Herpesvirus. Int J Mol Sci 2022; 23:ijms231911283. [PMID: 36232585 PMCID: PMC9570476 DOI: 10.3390/ijms231911283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/11/2022] [Accepted: 09/22/2022] [Indexed: 12/04/2022] Open
Abstract
Anguillid herpesvirus 1 (AngHV) is an important viral pathogen affecting eel. This study was designed to investigate the potential molecular mechanisms and immune response elicited at the protein levels in the skin mucus of AngHV-infected Anguilla anguilla. Tandem mass tag (TMT)-labelling proteomics with the liquid chromatography tandem mass spectrometry (LC-MS/MS) was used for performing quantitative identification of the proteins. In addition, the quantitative protein amount was detected by parallel reaction monitoring (PRM) analysis. A total of 3486 proteins were identified, of which 2935 were quantified. When a protein fold change was greater than 1.3 or less than 0.76, it indicated a differentially expressed protein (DEP). Overall, 187 up-regulated proteins and 126 down-regulated proteins were detected, and most of the DEPs were enriched in the CAMs pathway, intestinal immune pathway, herpes simplex virus 1 infection pathway, phagosome pathway and p53 signaling pathway. The results of the DEPs detected by PRM were highly consistent with the results of the TMT-labelled quantitative proteomic analysis. The findings of this study provide an important research basis for further understanding the pathogenesis of AngHV.
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Susceptibility of Pimephales promelas and Carassius auratus to a strain of koi herpesvirus isolated from wild Cyprinus carpio in North America. Sci Rep 2021; 11:1985. [PMID: 33479424 PMCID: PMC7820613 DOI: 10.1038/s41598-021-81477-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 01/04/2021] [Indexed: 12/20/2022] Open
Abstract
Cyprinid herpesvirus-3 (CyHV-3, syn. koi herpesvirus) is an important pathogen worldwide and a common cause of mass mortality events of wild common carp (Cyprinus carpio) in North America, however, reference strains and genomes obtained from wild carp are not available. Additionally, it is unclear if fishes in North America are susceptible to CyHV-3 infection due to incomplete susceptibility testing. Here we present the first North American type strain and whole-genome sequence of CyHV-3 isolated from wild carp collected from a lake with a history and recent incidence of carp mortality. Additionally, the strain was used in an in-vivo infection model to test the susceptibility of a common native minnow (Pimephales promelas) and goldfish (Carrasius auratus) which is invasive in North America. Detection of CyHV-3 DNA was confirmed in the tissues of a single fathead minnow but the same tissues were negative for CyHV-3 mRNA and samples from exposed fathead minnows were negative on cell culture. There was no detection of CyHV-3 DNA or mRNA in goldfish throughout the experiment. CyHV-3 DNA in carp tissues was reproducibly accompanied by the detection of CyHV-3 mRNA and isolation on cell culture. Additionally, environmental CyHV-3 DNA was detected on all tank filters during the study. These findings suggest that fathead minnows and goldfish are not susceptible to CyHV-3 infection and that detection of CyHV-3 DNA alone in host susceptibility trials should be interpreted with caution.
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Tang R, Lu L, Wang B, Yu J, Wang H. Identification of the Immediate-Early Genes of Cyprinid Herpesvirus 2. Viruses 2020; 12:v12090994. [PMID: 32906668 PMCID: PMC7552009 DOI: 10.3390/v12090994] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 12/17/2022] Open
Abstract
Cyprinid herpesvirus 2 (CyHV-2), which infects goldfish and crucian carp causing high mortality, is an emerging viral pathogen worldwide. The genome of CyHV-2 is large and comprises double-stranded DNA, including several genes similar to cyprinid herpesvirus 1, ictalurid herpesvirus-1, cyprinid herpesvirus 3, and ranid herpesvirus-1. Genes of DNA viruses are expressed in three temporal phases: immediate-early (IE), early (E), and late (L) genes. Viral IE genes initiate transcription as soon as the virus enters the host, without viral DNA replication. IE gene products enable the efficient expression of E and L genes or regulate the host to initiate virus replication. In the present study, five IE genes of CyHV-2 were identified, including open reading frame (ORF)54, ORF121, ORF141, ORF147, and ORF155. Time course analysis and reverse transcription polymerase chain reaction confirmed five IE genes, thirty-four E genes, and thirty-nine L genes. In addition, all 150 ORFs identified in the CyHV-2 genome are transcribed, and are expressed in chronological order, similar to other herpesviruses. This study is the first to identify the IE genes of CyHV-2, which will provide more information for viral molecular characterization.
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Affiliation(s)
- Ruizhe Tang
- National Pathogen Collection Center for Aquatic Animals, Shanghai Ocean University, Shanghai 201306, China; (R.T.); (L.L.)
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture Shanghai Ocean University, Shanghai 201306, China
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Liqun Lu
- National Pathogen Collection Center for Aquatic Animals, Shanghai Ocean University, Shanghai 201306, China; (R.T.); (L.L.)
- Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture Shanghai Ocean University, Shanghai 201306, China
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
| | - Beiyang Wang
- China Society of Fisheries, Beijing 100000, China; (B.W.); (J.Y.)
| | - Jiao Yu
- China Society of Fisheries, Beijing 100000, China; (B.W.); (J.Y.)
| | - Hao Wang
- National Pathogen Collection Center for Aquatic Animals, Shanghai Ocean University, Shanghai 201306, China; (R.T.); (L.L.)
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China
- Correspondence: ; Tel.: +86-021-6190-0453
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Kim HJ, Kwon SR, Olesen NJ, Yuasa K. The susceptibility of silver crucian carp (Carassius auratus langsdorfii) to infection with koi herpesvirus (KHV). JOURNAL OF FISH DISEASES 2019; 42:1333-1340. [PMID: 31347186 DOI: 10.1111/jfd.13054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/11/2019] [Accepted: 06/14/2019] [Indexed: 06/10/2023]
Abstract
Koi herpesvirus (KHV) infections cause high mortality in carp (Cyprinus carpio). This study compared the susceptibility of silver crucian carp (Carassius auratus langsdorfii), also called ginbuna, and koi carp to KHV infection. Silver crucian carp and koi carp were challenged with KHV by both intraperitoneal injection and immersion, respectively, and kept in tanks at 22°C. All KHV-exposed koi carp died within 14 days post-infection (dpi), whereas no clinics nor mortality was observed in the KHV-exposed silver crucian carp. KHV DNA was detected in both koi and silver crucian carp shortly after infection. At 7 dpi, the copy numbers of KHV genome were increased in koi carp but decreased in silver crucian carp. Using reverse transcriptase PCR, KHV mRNA was detected in koi carp but not in silver crucian carp. Cell cultivation on common carp brain (CCB) cell samples from koi carp caused KHV-associated cytopathic effects in CCB cells. Therefore, we concluded that KHV replicated in koi carp but not in silver crucian carp and that silver crucian carp is not susceptible to infection with KHV.
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Affiliation(s)
- Hyoung Jun Kim
- World Organisation for Animal Health Reference Laboratory for VHS, National Fishery Products Quality Management Services, Busan, Korea
| | - Se Ryun Kwon
- Department of Aquatic Life Medical Sciences, Sunmoon University, Asan-si, Korea
| | - Niels Jørgen Olesen
- World Organisation for Animal Health Reference Laboratory for VHS, National Institute for Aquatic Resources, Technical University of Denmark, Lyngby, Denmark
| | - Kei Yuasa
- World Organisation for Animal Health Reference Laboratory for KHV, Fisheries Research and Education Agency, National Research Institute of Aquaculture, Mie, Japan
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Inoculation of cyprinid herpesvirus 3 (CyHV-3) on common carp brain cells-influence of process parameters on virus yield. In Vitro Cell Dev Biol Anim 2017; 53:579-585. [PMID: 28656389 DOI: 10.1007/s11626-017-0170-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 05/17/2017] [Indexed: 10/19/2022]
Abstract
Research of cyprinid herpesvirus 3 (CyHV-3) is focused on the infection mechanism and disease development in animals using genetic and immunological approaches to improve treatments and diagnostics. In contrast, only few tried to investigate the CyHV-3 replication behaviour in available cell cultures. Whereas, obtaining high virus yields by in vitro replication enables achieving of the mentioned above goals easier and more reliable. The following work presents an attempt to illuminate the KHV replication in common carp brain (CCB) cell cultures from the engineering point of view. The isolate KHV-TP30 was used testing the influence on process parameters, such as multiplicity of infection (MOI), time of infection (TOI) and time of harvest (TOH). Virus concentrations and infectivity at different time points of infection were examined using hydrolyzed probe qPCR (Gilad et al. 2004) and 50% tissue culture infectivity dose (TCID50). The data obtained show that while the amount of the virus DNA remains constant after reaching its maximum, the infectivity of the virus decreases. Thus, especially, TOH can be crucial for generating a high-quality virus stock. Applying optimized parameters improved the infectivity of the harvested virus and reached a robust titre as high as 1.9 × 108 TCID50/mL. To our knowledge, so far, there is no information in the peer-reviewed literature showing comparably high virus titres. Such virus yields not only facilitate conduction of further studies, including stability tests of the virus stock under various supplementation or disinfection trails, but also provide enough virus material to perform more detailed examinations of the infection mechanism.
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Aizen J, Hollander-Cohen L, Shpilman M, Levavi-Sivan B. Biologically active recombinant carp LH as a spawning-inducing agent for carp. J Endocrinol 2017; 232:391-402. [PMID: 27999090 DOI: 10.1530/joe-16-0435] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Accepted: 12/20/2016] [Indexed: 01/07/2023]
Abstract
Currently, spawning is induced in carp species by carp pituitary extract (CPE) and a combination of synthetic agonist of GnRH combined with a dopamine antagonist. The main goal of this study was the production of recombinant gonadotropins (GtHs) on a large scale to serve as an alternative to currently used agents. We produced carp (c) recombinant (r) Lh as a single chain in the methylotrophic yeast Pichia pastoris Lha subunit was joined with Lhb subunit with a flexible linker of three glycine-serine repeats and six Histidines to form a mature protein, the β-subunit formed the N-terminal part and the α-subunit formed the C-terminal part. The ability of the rcLh to elicit biological response was tested by in vivo stimulation of estradiol (E2) and 17α,20β-dihydroxy-4-pregnen-3-one (DHP) and by its in vivo potency to induce ovulation and spawning induction. rcLh tested in this work significantly enhanced both E2 and DHP secretion in a dose-dependent manner similar to the results obtained with CPE. E2 levels showed a moderate rise following the priming injection and a subsequent decrease during the rest of the trial. DHP levels were only increased after the resolving injection, approximately 5 h before spawning. At the highest dose of rcLh (350 µg/kg BW), the recombinant protein was more efficient than CPE in terms of both spawning success and fertilization rate. It is shown here that rcLh can elicit the secretion of DHP in vivo and actually trigger spawning. These novel findings introduce the potential of utilizing recombinant gonadotropins in aquaculture.
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Affiliation(s)
- Joseph Aizen
- The Robert H. Smith Faculty of AgricultureFood and Environment, Department of Animal Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Lian Hollander-Cohen
- The Robert H. Smith Faculty of AgricultureFood and Environment, Department of Animal Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Michal Shpilman
- The Robert H. Smith Faculty of AgricultureFood and Environment, Department of Animal Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Berta Levavi-Sivan
- The Robert H. Smith Faculty of AgricultureFood and Environment, Department of Animal Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
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Lee X, Yi Y, Weng S, Zeng J, Zhang H, He J, Dong C. Transcriptomic analysis of koi (Cyprinus carpio) spleen tissue upon cyprinid herpesvirus 3 (CyHV3) infection using next generation sequencing. FISH & SHELLFISH IMMUNOLOGY 2016; 49:213-24. [PMID: 26690666 DOI: 10.1016/j.fsi.2015.12.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 12/07/2015] [Accepted: 12/08/2015] [Indexed: 05/18/2023]
Abstract
Cyprinid Herpesvirus 3 (CyHV-3) can infect and specifically cause a huge economic loss in both common carp (Cyprinus carpio) and its ornamental koi variety. The molecular mechanisms underlying CyHV-3 infection are not well understood. In this study, koi spleen tissues of both mock and CyHV-3 infection groups were collected, and high-throughput sequencing technology was used to analyze the differentially expressed genes (DEGs) at the transcriptome level. A total of 105,356,188 clean reads from two libraries were obtained. After the de novo assembly of the transcripts, 129,314 unigenes were generated. Of these unigenes, 70,655 unigenes were matched to the known proteins in the database, while 2190 unigenes were predicted by ESTScan software. Comparing the infection group to the mock group, a total of 23,029 significantly differentially expressed unigenes were identified, including 10,493 up-regulated DEGs and 12,536 down-regulated DEGs. GO (Gene Ontology) annotation and functional enrichment analysis indicated that all of the DEGs were annotated into GO terms in three main GO categories: biological process, cellular component and molecular function. KEGG (Kyoto Encyclopedia of Genes and Genomes) analysis of the DEGs showed that a total of 12,002 DEG unigenes were annotated into 256 pathways classified into 6 main categories. Additionally, 20 differentially expressed genes were validated by quantitative real-time PCR. As the first report of a transcriptome analysis of koi carp with CyHV-3 infection, the data presented here provide knowledge of the innate immune response against CyHV-3 in koi carp and useful data for further research of the molecular mechanism of CyHV-3 infection.
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Affiliation(s)
- Xuezhu Lee
- State Key Laboratory for Bio-control / MOE Key Laboratory of Aquatic Food Safety, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Yang Yi
- State Key Laboratory for Bio-control / MOE Key Laboratory of Aquatic Food Safety, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Shaoping Weng
- State Key Laboratory for Bio-control / MOE Key Laboratory of Aquatic Food Safety, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Jie Zeng
- State Key Laboratory for Bio-control / MOE Key Laboratory of Aquatic Food Safety, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Hetong Zhang
- State Key Laboratory for Bio-control / MOE Key Laboratory of Aquatic Food Safety, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Jianguo He
- State Key Laboratory for Bio-control / MOE Key Laboratory of Aquatic Food Safety, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou 510275, PR China; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-sen University, 135 Xingang Road West, Guangzhou 510275, PR China.
| | - Chuanfu Dong
- State Key Laboratory for Bio-control / MOE Key Laboratory of Aquatic Food Safety, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou 510275, PR China.
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Boutier M, Ronsmans M, Rakus K, Jazowiecka-Rakus J, Vancsok C, Morvan L, Peñaranda MMD, Stone DM, Way K, van Beurden SJ, Davison AJ, Vanderplasschen A. Cyprinid Herpesvirus 3: An Archetype of Fish Alloherpesviruses. Adv Virus Res 2015; 93:161-256. [PMID: 26111587 DOI: 10.1016/bs.aivir.2015.03.001] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The order Herpesvirales encompasses viruses that share structural, genetic, and biological properties. However, members of this order infect hosts ranging from molluscs to humans. It is currently divided into three phylogenetically related families. The Alloherpesviridae family contains viruses infecting fish and amphibians. There are 12 alloherpesviruses described to date, 10 of which infect fish. Over the last decade, cyprinid herpesvirus 3 (CyHV-3) infecting common and koi carp has emerged as the archetype of fish alloherpesviruses. Since its first description in the late 1990s, this virus has induced important economic losses in common and koi carp worldwide. It has also had negative environmental implications by affecting wild carp populations. These negative impacts and the importance of the host species have stimulated studies aimed at developing diagnostic and prophylactic tools. Unexpectedly, the data generated by these applied studies have stimulated interest in CyHV-3 as a model for fundamental research. This review intends to provide a complete overview of the knowledge currently available on CyHV-3.
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Affiliation(s)
- Maxime Boutier
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Maygane Ronsmans
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Krzysztof Rakus
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Joanna Jazowiecka-Rakus
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Catherine Vancsok
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Léa Morvan
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - Ma Michelle D Peñaranda
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium
| | - David M Stone
- The Centre for Environment, Fisheries and Aquaculture Science, Weymouth Laboratory, Weymouth, Dorset, United Kingdom
| | - Keith Way
- The Centre for Environment, Fisheries and Aquaculture Science, Weymouth Laboratory, Weymouth, Dorset, United Kingdom
| | - Steven J van Beurden
- Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Andrew J Davison
- MRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom
| | - Alain Vanderplasschen
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Liège, Belgium.
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Cho MY, Won KM, Kim JW, Jee BY, Park MA, Hong S. Detection of koi herpesvirus (KHV) in healthy cyprinid seed stock. DISEASES OF AQUATIC ORGANISMS 2014; 112:29-36. [PMID: 25392040 DOI: 10.3354/dao02784] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Koi herpesvirus (KHV) disease is a lethal disease in common carp, an important food fish in Asian countries, the seed of which is used in restocking programs for freshwater fishery management. We inspected apparently healthy seed stock of common carp Cyprinus carpio L. and Siberian crucian carp Carassius auratus for the presence of KHV using PCR-based diagnostic tests as a part of a stock enhancement program from 2009 to 2010 in Korea. Consequently, KHV was detected from 24 of 232 inspections with yearly detection percentages of 5.2% in 2009 and 15.5% in 2010 using PCR primer sets for TK or SphI-5 as recommended by the OIE Manual of Diagnostic Tests for Aquatic Animals. Results indicate that the SphI-5 primer set was slightly more sensitive than the TK primer set, as shown by a higher detection rate. To determine the genotype of the KHV strains detected in this study, ORF40-specific PCR amplification was conducted, and the PCR products from 6 samples showed 100% nucleotide sequence identity with a Japanese strain (GenBank accession number AP008984) but not with US (DG657948) and Israeli strains (DG177346). This report conclusively demonstrated the presence of KHV in externally healthy seed of common carp and Siberian crucian carp, indicating a possible risk that subclinically infected seed stock can be released with a potential threat to wild populations.
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Affiliation(s)
- Mi-Young Cho
- Aquatic Life Disease Control Division, National Fisheries Research and Development Institute, Busan 619-902, Korea
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O'Connor MR, Farver TB, Malm KV, Yun SC, Marty GD, Salonius K, Dishon A, Weber EPS. Protective immunity of a modified-live cyprinid herpesvirus 3 vaccine in koi (Cyprinus carpio koi) 13 months after vaccination. Am J Vet Res 2014; 75:905-11. [DOI: 10.2460/ajvr.75.10.905] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Rakus K, Ouyang P, Boutier M, Ronsmans M, Reschner A, Vancsok C, Jazowiecka-Rakus J, Vanderplasschen A. Cyprinid herpesvirus 3: an interesting virus for applied and fundamental research. Vet Res 2013; 44:85. [PMID: 24073814 PMCID: PMC3850573 DOI: 10.1186/1297-9716-44-85] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Accepted: 09/03/2013] [Indexed: 12/28/2022] Open
Abstract
Cyprinid herpesvirus 3 (CyHV-3), a member of the family Alloherpesviridae is the causative agent of a lethal, highly contagious and notifiable disease in common and koi carp. The economic importance of common and koi carp industries together with the rapid spread of CyHV-3 worldwide, explain why this virus became soon after its isolation in the 1990s a subject of applied research. In addition to its economic importance, an increasing number of fundamental studies demonstrated that CyHV-3 is an original and interesting subject for fundamental research. In this review, we summarized recent advances in CyHV-3 research with a special interest for studies related to host-virus interactions.
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Affiliation(s)
- Krzysztof Rakus
- Immunology-Vaccinology (B43b), Department of Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, University of Liège, Liège, B-4000, Belgium.
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Gotesman M, Kattlun J, Bergmann SM, El-Matbouli M. CyHV-3: the third cyprinid herpesvirus. DISEASES OF AQUATIC ORGANISMS 2013; 105:163-74. [PMID: 23872859 PMCID: PMC3961040 DOI: 10.3354/dao02614] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Common carp (including ornamental koi carp) Cyprinus carpio L. are ecologically and economically important freshwater fish in Europe and Asia. C. carpio have recently been endangered by a third cyprinid herpesvirus, known as cyprinid herpesvirus-3 (CyHV-3), the etiological agent of koi herpesvirus disease (KHVD), which causes significant morbidity and mortality in koi and common carp. Clinical and pathological signs include epidermal abrasions, excess mucus production, necrosis of gill and internal organs, and lethargy. KHVD has decimated major carp populations in Israel, Indonesia, Taiwan, Japan, Germany, Canada, and the USA, and has been listed as a notifiable disease in Germany since 2005, and by the World Organisation for Animal Health since 2007. KHVD is exacerbated in aquaculture because of the relatively high host stocking density, and CyHV-3 may be concentrated by filter-feeding aquatic organisms. CyHV-3 is taxonomically grouped within the family Alloherpesviridae, can be propagated in a number of cell lines, and is active at a temperature range of 15 to 28°C. Three isolates originating from Japan (KHV-J), USA (KHV-U), and Israel (KHV-I) have been sequenced. CyHV-3 has a 295 kb genome with 156 unique open reading frames and replicates in the cell nucleus, and mature viral particles are 170 to 200 nm in diameter. CyHV-3 can be detected by multiple PCR-based methods and by enzyme-linked immunosorbent assay. Several modes of immunization have been developed for KHVD; however, fish immunized with either vaccine or wild-type virus may become carriers for CyHV-3. There is no current treatment for KHVD.
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Affiliation(s)
- Michael Gotesman
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria
| | - Julia Kattlun
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria
| | - Sven M. Bergmann
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Infectology, Greifswald-Insel Riems, Germany
| | - Mansour El-Matbouli
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria
- Corresponding author.
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Fabian M, Baumer A, Steinhagen D. Do wild fish species contribute to the transmission of koi herpesvirus to carp in hatchery ponds? JOURNAL OF FISH DISEASES 2013; 36:505-514. [PMID: 23121232 DOI: 10.1111/jfd.12016] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Revised: 08/29/2012] [Accepted: 09/11/2012] [Indexed: 06/01/2023]
Abstract
The koi herpesvirus (KHV) has spread worldwide since its discovery in 1998 and causes disease and mortality in koi and common carp populations with a high impact on the carp production industry. Many investigations have been conducted to examine ways of distribution and to identify possible transmission vectors. The answers, however, raise many new questions. In the present study, different wild fish species taken from carp ponds with a history of KHV infection were examined for their susceptibility to the virus. In the tissue of these fish, the virus load was determined and it was tested whether a release of the virus could be induced by stress and the virus then could be transferred to naive carp. Wild fish were gathered from carp ponds during acute outbreaks of virus-induced mortality in summer and from ponds stocked with carp carrying a latent KHV infection. From these ponds, wild fish were collected during the harvesting process in autumn or spring when the ponds were drained. We found that regardless of season, temperature variation, age and infection status of the carp stock, wild fish from carp ponds and its outlets could be tested positive for the KHV genome using real-time PCR with a low prevalence and virus load. Furthermore, virus transfer to naive carp was observed after a period of cohabitation. Cyprinid and non-cyprinid wild fish can therefore be considered as an epidemiological risk for pond carp farms.
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Affiliation(s)
- M Fabian
- Fish Disease Research Unit, Centre of Infectious Diseases, University of Veterinary Medicine Hannover, Hannover, Germany
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Ilouze M, Dishon A, Kotler M. Down-regulation of the cyprinid herpesvirus-3 annotated genes in cultured cells maintained at restrictive high temperature. Virus Res 2012; 169:289-95. [DOI: 10.1016/j.virusres.2012.07.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2012] [Revised: 07/13/2012] [Accepted: 07/13/2012] [Indexed: 10/28/2022]
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17
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Coordinated and sequential transcription of the cyprinid herpesvirus-3 annotated genes. Virus Res 2012; 169:98-106. [DOI: 10.1016/j.virusres.2012.07.015] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2012] [Revised: 07/13/2012] [Accepted: 07/13/2012] [Indexed: 11/21/2022]
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Sahoo PK, Goodwin AE. Viruses of freshwater finfish in the asian-pacific region. INDIAN JOURNAL OF VIROLOGY : AN OFFICIAL ORGAN OF INDIAN VIROLOGICAL SOCIETY 2012; 23:99-105. [PMID: 23997433 DOI: 10.1007/s13337-012-0102-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Accepted: 08/14/2012] [Indexed: 11/25/2022]
Abstract
There has been a tremendous increase in global demand for marine and freshwater fish to meet the protein needs of our expanding human population. However, due to the limited capacity of the wild-capture sector and a levelling of production from capture fisheries, the practice of farming aquatic animals has expanded rapidly to become a major global industry. Aquaculture, particularly freshwater aquaculture is now integral to the economies of many countries. A large number of aquatic animal species are farmed in high density in freshwater, brackish and marine systems, where they are exposed to new environments and potentially new diseases. Further, environmental stress factors, the use of manufactured feeds, and prolific global trade has led to the emergence and spread of new diseases. Viral pathogens, established for decades or newly emerging as disease threats, are particularly challenging since there are few efficacious treatments. Vaccines have been developed for some viral fish pathogens in salmonids, but vaccines are not available for many of the viral pathogens important in Asia. Control and eradication programs are difficult because many viral infections remain latent until adverse environmental conditions, such as overcrowding or poor water quality, trigger the onset of disease. Here, we review the more significant viral pathogens of finfish in the Asia-Pacific including both those with a long history in Asian aquaculture and emerging pathogens including betanodaviruses and koi herpes virus that have caused massive losses in the freshwater aquaculture and ornamental fish industries.
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Affiliation(s)
- P K Sahoo
- Fish Health Management Division, Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhuabaneswar, 751 002 India
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Rathore G, Kumar G, Raja Swaminathan T, Swain P. Koi herpes virus: a review and risk assessment of Indian aquaculture. INDIAN JOURNAL OF VIROLOGY : AN OFFICIAL ORGAN OF INDIAN VIROLOGICAL SOCIETY 2012; 23:124-33. [PMID: 23997436 DOI: 10.1007/s13337-012-0101-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 08/14/2012] [Indexed: 10/27/2022]
Abstract
Common carp (Cyprinus carpio) is a widely cultivated freshwater fish for human consumption, while koi carp, is a farmed colored sub species of common carp used for ornamental purposes. Since 1998, both common carp and koi carp are severely affected by a viral disease called as Koi herpes virus disease (KHVD). This disease is caused by Koi herpes virus (KHV), also known as cyprinid herpes virus-3. The virus causes interstitial nephritis and gill necrosis in carps, so it is also termed as carp interstitial nephritis and gill necrosis virus. KHV is a double stranded icosahedral DNA virus belonging to family Alloherpesviridae, with a genome size of 295 kbp, larger than any member of Herpesviridae. The viral genome encodes 156 potential protein coding open reading frames. Each virion consists of forty structural proteins, which are classified as capsid (3), envelope (13), tegument (2) and unclassified (22) structural proteins. Diagnosis of KHVD is mainly based on detection of viral DNA by polymerase chain reaction amplification using specific primers or loop mediated isothermal amplification. Temperature dependent latent infection is unique to KHV; and carrier fish are often not detected, thereby possibly resulting in spread of this pathogen to newer areas. The disease is now known to occur in, or has been recorded from at least 26 different countries of the world. Fortunately, KHVD has not been reported from India or from Indian major carps. To monitor the disease status of the country, a total of 254 fish samples collected from different parts of India were screened by PCR for the presence of KHV. None of the tested samples were found to be positive for KHV. These results demonstrate that tested samples from different parts of India were apparently free from KHV. Preliminary risk assessment of KHV suggest that in the event of unrestricted importation of koi carps into our country, there is a higher probability of risk to aquaculture as compared to natural waters. So there is strong need to develop diagnostic capabilities and launch surveillance programmes for KHV in India.
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Affiliation(s)
- Gaurav Rathore
- National Bureau of Fish Genetic Resources, Canal Ring Road, P.O. Dilkusha, Lucknow, 226002 UP India
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Hanson L, Dishon A, Kotler M. Herpesviruses that infect fish. Viruses 2011; 3:2160-91. [PMID: 22163339 PMCID: PMC3230846 DOI: 10.3390/v3112160] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Revised: 10/15/2011] [Accepted: 10/22/2011] [Indexed: 11/25/2022] Open
Abstract
Herpesviruses are host specific pathogens that are widespread among vertebrates. Genome sequence data demonstrate that most herpesviruses of fish and amphibians are grouped together (family Alloherpesviridae) and are distantly related to herpesviruses of reptiles, birds and mammals (family Herpesviridae). Yet, many of the biological processes of members of the order Herpesvirales are similar. Among the conserved characteristics are the virion structure, replication process, the ability to establish long term latency and the manipulation of the host immune response. Many of the similar processes may be due to convergent evolution. This overview of identified herpesviruses of fish discusses the diseases that alloherpesviruses cause, the biology of these viruses and the host-pathogen interactions. Much of our knowledge on the biology of Alloherpesvirdae is derived from research with two species: Ictalurid herpesvirus 1 (channel catfish virus) and Cyprinid herpesvirus 3 (koi herpesvirus).
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Affiliation(s)
- Larry Hanson
- Department of Basic Sciences, College of Veterinary Medicine, Mississippi State University, P.O. Box 6100, Starkville, MS 39759, USA
| | - Arnon Dishon
- KoVax Ltd., P.O. Box 45212, Bynet Build., Har Hotzvim Inds. Pk., Jerusalem 97444, Israel; E-Mail:
| | - Moshe Kotler
- Department of Pathology, Hadassah Medical School, the Hebrew University, Jerusalem 91120, Israel; E-Mail:
- The Lautenberg Center for General and Tumor Immunology, Hadassah Medical School, the Hebrew University, Jerusalem 91120, Israel
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Dong C, Weng S, Li W, Li X, Yi Y, Liang Q, He J. Characterization of a new cell line from caudal fin of koi, Cyprinus carpio koi, and first isolation of cyprinid herpesvirus 3 in China. Virus Res 2011; 161:140-9. [PMID: 21839788 DOI: 10.1016/j.virusres.2011.07.016] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2011] [Revised: 07/25/2011] [Accepted: 07/26/2011] [Indexed: 11/27/2022]
Abstract
A new continuous cell line (KCF-1) from caudal fin of koi, Cyprinus carpio koi, was developed and sub-cultured more than 100 passages since the present study was initiated in March 2006. KCF-1 predominantly consisted of short fibroblast-like cells and grew well in Dulbecco's modified Eagle medium (DMEM) supplemented with 10% fetal bovine serum (FBS). Chromosome analysis revealed that 56% of the KCF-1 cells maintained normal diploid chromosome number (2n=100) at Passage 82. Using the KCF-1 cell line, a strain of cyprinid herpesvirus 3 (designated as CyHV-3-QY08) was isolated from the diseased koi. CyHV-3-QY08 continuously propagated in the KCF-1 cells, as confirmed by immunofluorescence assay (IFA) and transmission electron microscopy (TEM). KCF-1 cells infected with CyHV-3-QY08 produced typical cytopathic effects characterized by severe vacuolation, deformation of nuclei, and marginalization of the nuclear chromatin, which are consistent with those of previous reports. CyHV-3-QY08 was purified and subsequently analyzed by SDS-PAGE and TEM. The results showed that the purified virions contained two types of morphologies and were composed of more than 30 obvious viral polypeptides. An infectivity experiment revealed that CyHV-3-QY08 could cause 100% mortality in the infected koi. Based on the genome sequence of CyHV-3-I/U, the CyHV-3(I/U)-ORF136 homologue in CyHV-3-QY08 was cloned and sequenced. Multiple sequence alignments of CyHV-3-I/U-ORF136 homologues showed that CyHV-3-QY08 belonged to the typical Asian genotype. The CyHV-3(I/U)-ORF136 homologue seems to be a novel molecule marker, which can be used to distinguish Asia isolates from Europe-America strains.
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Affiliation(s)
- Chuanfu Dong
- Moe Key Laboratory of Aquatic Food Safety/State Key Laboratory for Bio-control, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, People's Republic of China
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El-Matbouli M, Soliman H. Transmission of Cyprinid herpesvirus-3 (CyHV-3) from goldfish to naïve common carp by cohabitation. Res Vet Sci 2011; 90:536-9. [DOI: 10.1016/j.rvsc.2010.07.008] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2009] [Revised: 07/07/2010] [Accepted: 07/12/2010] [Indexed: 11/29/2022]
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Abstract
TOC summary: This virus is useful for fundamental and applied research. The recently designated cyprinid herpesvirus 3 (CyHV-3) is an emerging agent that causes fatal disease in common and koi carp. Since its emergence in the late 1990s, this highly contagious pathogen has caused severe financial losses in common and koi carp culture industries worldwide. In addition to its economic role, recent studies suggest that CyHV-3 may have a role in fundamental research. CyHV-3 has the largest genome among viruses in the order Herpesvirales and serves as a model for mutagenesis of large DNA viruses. Other studies suggest that the skin of teleost fish represents an efficient portal of entry for certain viruses. The effect of temperature on viral replication suggests that the body temperature of its poikilotherm host could regulate the outcome of the infection (replicative vs. nonreplicative). Recent advances with regard to CyHV-3 provide a role for this virus in fundamental and applied research.
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De Clercq E. Yet another ten stories on antiviral drug discovery (part D): paradigms, paradoxes, and paraductions. Med Res Rev 2010; 30:667-707. [PMID: 19626594 DOI: 10.1002/med.20173] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This review article presents the fourth part (part D) in the series of stories on antiviral drug discovery. The stories told in part D focus on: (i) the cyclotriazadisulfonamide compounds; (ii) the {5-[(4-bromophenylmethyl]-2-phenyl-5H-imidazo[4,5-c]pyridine} compounds; (iii) (1H,3H-thiazolo[3,4-a]benzimidazole) derivatives; (iv) T-705 (6-fluoro-3-hydroxy-2-pyrazinecarboxamide) and (v) its structurally closely related analogue pyrazine 2-carboxamide (pyrazinamide); (vi) new strategies for the treatment of hemorrhagic fever virus infections, including, as the most imminent, (vii) dengue fever, (viii) the veterinary use of acyclic nucleoside phosphonates; (ix) the potential (off-label) use of cidofovir in the treatment of papillomatosis, particularly RRP (recurrent respiratory papillomatosis); and (x) finally, the prophylactic use of tenofovir to prevent HIV infections.
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Affiliation(s)
- Erik De Clercq
- Rega Institute for Medical Research, K.U. Leuven, Minderbroedersstraat 10, B-3000 Leuven, Belgium.
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25
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The outbreak of carp disease caused by CyHV-3 as a model for new emerging viral diseases in aquaculture: a review. Ecol Res 2010. [DOI: 10.1007/s11284-010-0694-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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