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Kamal T, Khan SUH, Hassan F, Zahoor AB, Ullah A, Andrabi SMH, Ali GM, Afsar T, Husain FM, Shafique H, Razak S. Molecular Characterization of Lineage-IV Peste Des Petits Ruminants Virus and the Development of In-House Indirect Enzyme-Linked Immunosorbent Assay (IELISA) for its Rapid Detection". Biol Proced Online 2024; 26:22. [PMID: 38969986 PMCID: PMC11225139 DOI: 10.1186/s12575-024-00249-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 06/20/2024] [Indexed: 07/07/2024] Open
Abstract
Peste des petits ruminants (PPRV), a highly contagious viral disease, causes significant economic losses concerning sheep and goats. Recently, PPR viruses (PPRVs), have adopted new hosts and lineage IV of PPRVs represents genetic diversity within the same lineage. 350 samples, including blood, swabs, and tissues from sheep/goats, were collected during the 2020-2021 disease outbreaks in Pakistan. These samples were analysed through RT-PCR and three isolates of PPRV with accession numbers, MW600920, MW600921, and MW600922, were submitted to GenBank, based on the partial N-gene sequencing. This analysis provides a better understanding of genetic characterizations and a targeted RT-PCR approach for rapid PPRV diagnosis. An IELISA test was developed using the semi-purified antigen MW600922 isolate grown in Vero cells. The PPRV isolates currently present high divergence with the Turkish strain; conversely, similarities equivalent to 99.73% were observed for isolates collected from Pakistan. The developed indirect ELISA (IELISA) test demonstrated antibody detection rates at dilutions of 1:200 for antibodies (serum) and 1:32 for antigens. In comparison to cELISA, high specificity (85.23%) and sensitivity (90.60%) rates were observed. In contrast to the virus neutralization test (VNT), IELISA was observed to be 100% specific and 82.14% sensitive in its results. Based on these results, serological surveys conducted for PPR antibodies using IELISA can be a more effective strategy on a larger scale. Furthermore, our results demonstrate a significant breakthrough in the research in terms of cost-effectiveness and storage efficiency, and the developed IELISA test is highly recommended for use in developing countries.
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Affiliation(s)
- Tahira Kamal
- National Institute for Genomics and Advanced Biotechnology, National Agricultural Research Center, Islamabad, Pakistan.
- Animal Sciences Institute, Animal Health, National Agricultural Research Center, Islamabad, Pakistan.
- Department of Microbiology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
- Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
| | - Saeed-Ul-Hassan Khan
- Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Fariha Hassan
- Department of Microbiology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Amir-Bin- Zahoor
- Animal Sciences Institute, Animal Health, National Agricultural Research Center, Islamabad, Pakistan
| | - Amman Ullah
- Animal Sciences Institute, Animal Health, National Agricultural Research Center, Islamabad, Pakistan
| | - S Murtaza Hassan Andrabi
- Animal Sciences Institute, Animal Health, National Agricultural Research Center, Islamabad, Pakistan
| | - Ghulam Muhammad Ali
- National Institute for Genomics and Advanced Biotechnology, National Agricultural Research Center, Islamabad, Pakistan
| | - Tayyaba Afsar
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Fohad Mabood Husain
- Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Huma Shafique
- Institute of Cellular Medicine, Newcastle University Medical School, Newcastle University, Upon Tyne, UK
| | - Suhail Razak
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia.
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Sun M, Wang C, Luo H, Chen Y, Qu G, Chen J, Li L, Zhang M, Xue Q. Development and characterization of a novel nanobody with SRMV neutralizing activity. Microb Cell Fact 2024; 23:45. [PMID: 38341572 PMCID: PMC10858559 DOI: 10.1186/s12934-024-02311-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Peste des petits ruminants (PPR) is an acute, contact infectious disease caused by the small ruminant morbillivirus (SRMV), and its morbidity in goats and sheep can be up to 100% with significant mortality. Nanobody generated from camelid animals such as alpaca has attracted wide attention because of its unique advantages compared with conventional antibodies. The main objective of this study was to produce specific nanobodies against SRMV and identify its characteristics. To obtain the coding gene of SRMV-specific nanobodies, we first constructed an immune phage-displayed library from the VHH repertoire of alpaca that was immunized with SRMV-F and -H proteins. By using phage display technology, the target antigen-specific VHHs can be obtained after four consecutive rounds of biopanning. Results showed that the size of this VHH library was 2.26 × 1010 CFU/mL and the SRMV-F and -H specific phage particles were greatly enriched after four rounds of biopanning. The positive phage clones were selected and sequenced, and total of five independent different sequences of SRMV-specific nanobodies were identified. Subsequently, the DNA fragments of the five nanobodies were cloned into E. coli BL21(DE3), respectively, and three of them were successfully expressed and purified. Specificity and affinity towards inactivated SRMV of these purified nanobodies were then evaluated using the ELISA method. Results demonstrated that NbSRMV-1-1, NbSRMV-2-10, and NbSRMV-1-21 showed no cross-reactivity with other antigens, such as inactivated BTV, inactivated FMDV, His-tag labeled protein, and BSA. The ELISA titer of these three nanobodies against inactivated SRMV was up to 1:1000. However, only NbSRMV-1-21 displayed SRMV neutralizing activity at a maximum dilution of 1:4. The results indicate that the nanobodies against SRMV generated in this study could be useful in future applications. This study provided a novel antibody tool and laid a foundation for the treatment and detection of SRMV.
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Affiliation(s)
- Miao Sun
- Department of Viral Biologics, China Institute of Veterinary Drug Control, Beijing, China
| | - Changjiang Wang
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou, China
| | - Huaye Luo
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Science, Shanghai, China
| | - Yanfei Chen
- Department of Viral Biologics, China Institute of Veterinary Drug Control, Beijing, China
| | - Guanggang Qu
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou, China
| | - Jian Chen
- Department of Viral Biologics, China Institute of Veterinary Drug Control, Beijing, China
| | - Ling Li
- Department of Viral Biologics, China Institute of Veterinary Drug Control, Beijing, China
| | - Min Zhang
- Tech-Bank Food Corporation Limited, Nanjing, China
| | - Qinghong Xue
- Department of Viral Biologics, China Institute of Veterinary Drug Control, Beijing, China.
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Niu B, Liang R, Zhang S, Sun X, Li F, Qiu S, Zhang H, Bao S, Zhong J, Li X, Chen Q. Spatiotemporal characteristics analysis and potential distribution prediction of peste des petits ruminants (PPR) in China from 2007-2018. Transbound Emerg Dis 2021; 69:2747-2763. [PMID: 34936210 DOI: 10.1111/tbed.14426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 12/06/2021] [Indexed: 12/18/2022]
Abstract
Peste des petits ruminants (PPR) is a highly infectious disease that mainly infects small ruminants. To date, PPR has been confirmed in more than 70 countries. In China, PPR has occurred in more than 20 provinces and cities. In this study, based on geographic information system (GIS), spatial analysis was used to examine the occurrence of PPR in China from 2007 to 2018. The results showed that PPR first occurred in Tibet and gradually spread to other provinces. The outbreaks of PPR were concentrated in 2014, 2015 and 2018. Combining climate factors with the maximum entropy (MaxEnt), the results also suggested that the potential risk areas of PPR outbreaks in China were mainly Jiangsu, Yunnan and Anhui in Southeast China. Finally, a phylogenetic tree was used to analyse the evolutionary relationship between the peste des petits ruminants virus (PPRV) in China and the global ones, and it was found that the one in China had a close genetic relationship with the one in Mongolia, India and Bangladesh. Understanding and forecasting the distribution of PPR in China will help policymakers develop targeted monitoring plans. Likewise, analysing the global PPRV epidemic trends will play an important role in the elimination and prevention of PPR.
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Affiliation(s)
- Bing Niu
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Ruirui Liang
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Shuwen Zhang
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Xiaodong Sun
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Fuchen Li
- College of Art and Science, Vanderbilt University, Nashville, Tennessee, USA
| | - Songyin Qiu
- Chinese Academy of Inspection and Quarantine, Beijing, P.R. China
| | - Hui Zhang
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Songhao Bao
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Junjie Zhong
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
| | - Xinxiang Li
- College of Sciences, Shanghai University, Shanghai, P.R. China
| | - Qin Chen
- School of Life Sciences, Shanghai University, Shanghai, P. R. China
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4
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Li L, Wu J, Cao X, He J, Liu X, Shang Y. Analysis and Sequence Alignment of Peste des Petits Ruminants Virus ChinaSX2020. Vet Sci 2021; 8:vetsci8110285. [PMID: 34822658 PMCID: PMC8623451 DOI: 10.3390/vetsci8110285] [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: 10/14/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 02/06/2023] Open
Abstract
The peste des petits ruminants virus (PPRV) mainly infects goats and sheep and causes a highly contagious disease, PPR. Recently, a PPRV strain named ChinaSX2020 was isolated and confirmed following an indirect immunofluorescence assay and PCR using PPRV-specific antibody and primers, respectively. A sequencing of the ChinaSX2020 strain showed a genome length of 15,954 nucleotides. A phylogenetic tree analysis showed that the ChinaSX2020 genome was classified into lineage IV of the PRRV genotypes. The genome of the ChinaSX2020 strain was found to be closely related to PPRVs isolated in China between 2013 and 2014. These findings revealed that not a variety of PRRVs but similar PPRVs were continuously spreading and causing sporadic outbreaks in China.
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Eloiflin RJ, Auray G, Python S, Rodrigues V, Seveno M, Urbach S, El Koulali K, Holzmuller P, Totte P, Libeau G, Bataille A, Summerfield A. Identification of Differential Responses of Goat PBMCs to PPRV Virulence Using a Multi-Omics Approach. Front Immunol 2021; 12:745315. [PMID: 34671358 PMCID: PMC8521192 DOI: 10.3389/fimmu.2021.745315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 09/14/2021] [Indexed: 12/02/2022] Open
Abstract
Peste des petits ruminants (PPR) is an acute transboundary infectious viral disease of small ruminants, mainly sheep and goats. Host susceptibility varies considerably depending on the PPR virus (PPRV) strain, the host species and breed. The effect of strains with different levels of virulence on the modulation of the immune system has not been thoroughly compared in an experimental setting so far. In this study, we used a multi-omics approach to investigate the host cellular factors involved in different infection phenotypes. Peripheral blood mononuclear cells (PBMCs) from Saanen goats were activated with a T-cell mitogen and infected with PPRV strains of different virulence: Morocco 2008 (high virulence), Ivory Coast 1989 (low virulence) and Nigeria 75/1 (live attenuated vaccine strain). Our results showed that the highly virulent strain replicated better than the other two in PBMCs and rapidly induced cell death and a stronger inhibition of lymphocyte proliferation. However, all the strains affected lymphocyte proliferation and induced upregulation of key antiviral genes and proteins, meaning a classical antiviral response is orchestrated regardless of the virulence of the PPRV strain. On the other hand, the highly virulent strain induced stronger inflammatory responses and activated more genes related to lymphocyte migration and recruitment, and inflammatory processes. Both transcriptomic and proteomic approaches were successful in detecting viral and antiviral effectors under all conditions. The present work identified key immunological factors related to PPRV virulence in vitro.
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Affiliation(s)
- Roger-Junior Eloiflin
- CIRAD (Agricultural Research Centre for International Development), UMR (Unité Mixte de Recherche), ASTRE (Animal, Health, Territories, Risks and Ecosystems), Montpellier, France.,ASTRE (Animal, Health, Territories, Risks and Ecosystems), University of Montpellier, CIRAD (Agricultural Research Centre for International Development), INRAE (Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement), Montpellier, France
| | - Gaël Auray
- Institute of Virology and Immunology, Mittelhäusern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Sylvie Python
- Institute of Virology and Immunology, Mittelhäusern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Valérie Rodrigues
- ASTRE (Animal, Health, Territories, Risks and Ecosystems), University of Montpellier, CIRAD (Agricultural Research Centre for International Development), INRAE (Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement), Montpellier, France.,CIRAD (Agricultural Research Centre for International Development), UMR (Unité Mixte de Recherche), ASTRE (Animal, Health, Territories, Risks and Ecosystems), Petit-Bourg, France
| | - Martial Seveno
- BCM (BioCampus Montpellier), Univ. Montpellier, CNRS (Centre national de la recherche scientifique), INSERM, Montpellier, France
| | - Serge Urbach
- IGF (Institut de Génomique Fonctionnelle), Univ. Montpellier, CNRS (Centre national de la recherche scientifique), INSERM, Montpellier, France
| | - Khadija El Koulali
- BCM (BioCampus Montpellier), Univ. Montpellier, CNRS (Centre national de la recherche scientifique), INSERM, Montpellier, France
| | - Philippe Holzmuller
- CIRAD (Agricultural Research Centre for International Development), UMR (Unité Mixte de Recherche), ASTRE (Animal, Health, Territories, Risks and Ecosystems), Montpellier, France.,ASTRE (Animal, Health, Territories, Risks and Ecosystems), University of Montpellier, CIRAD (Agricultural Research Centre for International Development), INRAE (Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement), Montpellier, France
| | - Philippe Totte
- CIRAD (Agricultural Research Centre for International Development), UMR (Unité Mixte de Recherche), ASTRE (Animal, Health, Territories, Risks and Ecosystems), Montpellier, France.,ASTRE (Animal, Health, Territories, Risks and Ecosystems), University of Montpellier, CIRAD (Agricultural Research Centre for International Development), INRAE (Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement), Montpellier, France
| | - Genevieve Libeau
- CIRAD (Agricultural Research Centre for International Development), UMR (Unité Mixte de Recherche), ASTRE (Animal, Health, Territories, Risks and Ecosystems), Montpellier, France.,ASTRE (Animal, Health, Territories, Risks and Ecosystems), University of Montpellier, CIRAD (Agricultural Research Centre for International Development), INRAE (Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement), Montpellier, France
| | - Arnaud Bataille
- CIRAD (Agricultural Research Centre for International Development), UMR (Unité Mixte de Recherche), ASTRE (Animal, Health, Territories, Risks and Ecosystems), Montpellier, France.,ASTRE (Animal, Health, Territories, Risks and Ecosystems), University of Montpellier, CIRAD (Agricultural Research Centre for International Development), INRAE (Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement), Montpellier, France
| | - Artur Summerfield
- Institute of Virology and Immunology, Mittelhäusern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
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Kinimi E, Mahapatra M, Kgotlele T, Makange MR, Tennakoon C, Njeumi F, Odongo S, Muyldermans S, Kock R, Parida S, Rweyemamu M, Misinzo G. Complete Genome Sequencing of Field Isolates of Peste des Petits Ruminants Virus from Tanzania Revealed a High Nucleotide Identity with Lineage III PPR Viruses. Animals (Basel) 2021; 11:2976. [PMID: 34679994 PMCID: PMC8532778 DOI: 10.3390/ani11102976] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/10/2021] [Accepted: 10/12/2021] [Indexed: 01/30/2023] Open
Abstract
Peste des petits ruminants virus (PPRV) causes a highly devastating disease of sheep and goats that threatens food security, small ruminant production and susceptible endangered wild ruminants. With policy directed towards achieving global PPR eradication, the establishment of cost-effective genomic surveillance tools is critical where PPR is endemic. Genomic data can provide sufficient in-depth information to identify the pockets of endemicity responsible for PPRV persistence and viral evolution, and direct an appropriate vaccination response. Yet, access to the required sequencing technology is low in resource-limited settings and is compounded by the difficulty of transporting clinical samples from wildlife across international borders due to the Convention on International Trade in Endangered Species (CITES) of Wild Fauna and Flora, and Nagoya Protocol regulations. Oxford nanopore MinION sequencing technology has recently demonstrated an extraordinary performance in the sequencing of PPRV due to its rapidity, utility in endemic countries and comparatively low cost per sample when compared to other whole-genome (WGS) sequencing platforms. In the present study, Oxford nanopore MinION sequencing was utilised to generate complete genomes of PPRV isolates collected from infected goats in Ngorongoro and Momba districts in the northern and southern highlands of Tanzania during 2016 and 2018, respectively. The tiling multiplex polymerase chain reaction (PCR) was carried out with twenty-five pairs of long-read primers. The resulting PCR amplicons were used for nanopore library preparation and sequencing. The analysis of output data was complete genomes of PPRV, produced within four hours of sequencing (accession numbers: MW960272 and MZ322753). Phylogenetic analysis of the complete genomes revealed a high nucleotide identity, between 96.19 and 99.24% with lineage III PPRV currently circulating in East Africa, indicating a common origin. The Oxford nanopore MinION sequencer can be deployed to overcome diagnostic and surveillance challenges in the PPR Global Control and Eradication program. However, the coverage depth was uneven across the genome and amplicon dropout was observed mainly in the GC-rich region between the matrix (M) and fusion (F) genes of PPRV. Thus, larger field studies are needed to allow the collection of sufficient data to assess the robustness of nanopore sequencing technology.
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Affiliation(s)
- Edson Kinimi
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 67125, Tanzania; (S.P.); (M.R.)
- Department of Veterinary Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3017, Morogoro 67125, Tanzania
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 67125, Tanzania; (T.K.); (M.R.M.)
| | - Mana Mahapatra
- The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK; (M.M.); (C.T.)
| | - Tebogo Kgotlele
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 67125, Tanzania; (T.K.); (M.R.M.)
| | - Mariam R. Makange
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 67125, Tanzania; (T.K.); (M.R.M.)
| | - Chandana Tennakoon
- The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK; (M.M.); (C.T.)
| | - Felix Njeumi
- Food and Agriculture Organization of the United Nations (FAO), Viale delle Terme di Caracalla, 00153 Rome, Italy;
| | - Steven Odongo
- Department of Biotechnical and Diagnostic Sciences, College of Veterinary Medicine, Animal Resources and Biosecurity (COVAB), Makerere University, Kampala P.O. Box 7062, Uganda;
| | - Serge Muyldermans
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium;
| | - Richard Kock
- The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hertfordshire, Hatfield AL9 7TA, UK;
| | - Satya Parida
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 67125, Tanzania; (S.P.); (M.R.)
- The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK; (M.M.); (C.T.)
- Food and Agriculture Organization of the United Nations (FAO), Viale delle Terme di Caracalla, 00153 Rome, Italy;
| | - Mark Rweyemamu
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 67125, Tanzania; (S.P.); (M.R.)
| | - Gerald Misinzo
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 67125, Tanzania; (S.P.); (M.R.)
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 67125, Tanzania; (T.K.); (M.R.M.)
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Wani SA, Sahu AR, Khan RIN, Praharaj MR, Saxena S, Rajak KK, Muthuchelvan D, Sahoo A, Mishra B, Singh RK, Mishra BP, Gandham RK. Proteome Modulation in Peripheral Blood Mononuclear Cells of Peste des Petits Ruminants Vaccinated Goats and Sheep. Front Vet Sci 2021; 8:670968. [PMID: 34631844 PMCID: PMC8493254 DOI: 10.3389/fvets.2021.670968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/31/2021] [Indexed: 12/03/2022] Open
Abstract
In the present study, healthy goats and sheep (n = 5) that were confirmed negative for peste des petits ruminants virus (PPRV) antibodies by monoclonal antibody-based competitive ELISA and by serum neutralization test and for PPRV antigen by s-ELISA were vaccinated with Sungri/96. A quantitative study was carried out to compare the proteome of peripheral blood mononuclear cells (PBMCs) of vaccinated goat and sheep [5 days post-vaccination (dpv) and 14 dpv] vs. unvaccinated (0 day) to divulge the alteration in protein expression following vaccination. A total of 232 and 915 proteins were differentially expressed at 5 and 14 dpv, respectively, in goats. Similarly, 167 and 207 proteins were differentially expressed at 5 and 14 dpv, respectively, in sheep. Network generated by Ingenuity Pathway Analysis was “infectious diseases, antimicrobial response, and inflammatory response,” which includes the highest number of focus molecules. The bio functions, cell-mediated immune response, and humoral immune response were highly enriched in goats at 5 dpv and at 14 dpv. At the molecular level, the immune response produced by the PPRV vaccine virus in goats is effectively coordinated and stronger than that in sheep, though the vaccine provides protection from virulent virus challenge in both. The altered expression of certain PBMC proteins especially ISG15 and IRF7 induces marked changes in cellular signaling pathways to coordinate host immune responses.
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Affiliation(s)
- Sajad Ahmad Wani
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India.,College of Pharmacy, Pharmaceutics and Pharmaceutical Chemistry, The Ohio State University, Columbus, OH, United States
| | - Amit Ranjan Sahu
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - Raja Ishaq Nabi Khan
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - Manas Ranjan Praharaj
- Systems Biology Lab, Department of Biotechnology -National Institute of Animal Biotechnology, Hyderabad, India
| | - Shikha Saxena
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - Kaushal Kishor Rajak
- Division of Biological Products, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - Dhanavelu Muthuchelvan
- Division of Virology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Mukteswar, India
| | - Aditya Sahoo
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - Bina Mishra
- Division of Biological Products, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - R K Singh
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - Bishnu Prasad Mishra
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India
| | - Ravi Kumar Gandham
- Division of Veterinary Biotechnology, Indian Council of Agricultural Research - Indian Veterinary Research Institute, Bareilly, India.,Systems Biology Lab, Department of Biotechnology -National Institute of Animal Biotechnology, Hyderabad, India
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8
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Zhang W, Deng H, Liu Y, Chen S, Liu Y, Zhao Y. Antiviral Effectivity of Favipiravir Against Peste Des Petits Ruminants Virus Is Mediated by the JAK/STAT and PI3K/AKT Pathways. Front Vet Sci 2021; 8:722840. [PMID: 34552976 PMCID: PMC8450531 DOI: 10.3389/fvets.2021.722840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/03/2021] [Indexed: 11/24/2022] Open
Abstract
Peste des petits ruminants virus (PPRV), belonging to the genus Morbillivirus in the family Paramyxoviridae, causes severe infectious disease in small ruminants and has been rapidly spreading in many parts of Africa, the Middle East, and Asia. Although vaccination is considered to be an effective means of controlling PPR, the heat-sensitive nature of the vaccines against PPRV greatly limits their application in areas with a hot climate. In the present study, we investigated the anti-PPRV effects of favipiravir and sought to identify the underlying mechanisms in vitro using the Vero cell line. MTT assays, Western blotting, indirect immunofluorescence assays, virus plaque formation assays, and qRT-PCR were used to assess the effects of favipiravir on the life cycle of PPRV and the expression of RNA-dependent RNA polymerase (RdRp). Additionally, the expression levels of JAK1, STAT1, phosphorylated (p)-STAT1, PI3K, AKT, and p-AKT, as well as those of signaling molecules acting downstream of the JAK/STAT and PI3K/AKT signaling pathways, were determined by Western blotting and qRT-PCR. The results indicated that, in PPRV-infected, favipiravir-treated Vero cells, the attachment, invasion, replication, and release of PPRV were significantly inhibited, as was the expression of RdRp, when compared with that in untreated PPRV-infected cells. Furthermore, in favipiravir-treated cells, the expression of JAK1 and STAT1 was downregulated, whereas that of p-STAT1 was significantly upregulated. Similarly, the expression levels of PKR, IRF9, ISG54, and MxA proteins that are associated with innate antiviral activity in host cells were also markedly increased. Moreover, with favipiravir treatment, the expression of PI3K and p-AKT and the p-AKT/AKT ratio were significantly decreased, whereas the expression of AKT was noticeably upregulated. The expression of GSK3, NF-κB p65, p-NF-κB p65, and BAD was also increased with favipiravir treatment, while the expression of CREB, p-CREB, p-GSK3, and Bcl-2 was slightly decreased. In addition, all the p-GSK3/GSK3, p-CREB/CREB, p-NF-κB/NF-κB, and p-BAD/BAD ratios were significantly reduced in favipiravir-treated cells. These results implied that the antiviral effectivity of favipiravir against PPRV is mediated by the JAK/STAT and PI3K/AKT pathways and that favipiravir has potential for use as an effective antiviral agent against PPRV.
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Affiliation(s)
- Weifeng Zhang
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang, China
| | - Hualong Deng
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang, China
| | - Yanfen Liu
- Department of Animal Science, College of Coastal Agricultural Science, Guangdong Ocean University, Zhanjiang, China
| | - Shaohong Chen
- Department of Bioengineering, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - You Liu
- Department of Bioengineering, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Yuntao Zhao
- Department of Bioengineering, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
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Kinimi E, Muyldermans S, Vincke C, Odongo S, Kock R, Parida S, Mahapatra M, Misinzo G. Development of Nanobodies Targeting Peste des Petits Ruminants Virus: The Prospect in Disease Diagnosis and Therapy. Animals (Basel) 2021; 11:ani11082206. [PMID: 34438664 PMCID: PMC8388416 DOI: 10.3390/ani11082206] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/10/2021] [Accepted: 07/21/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Peste des petits ruminants virus (PPRV) causes a highly devastating disease, peste des petits ruminants (PPR) of sheep and goats, that threatens food security, small ruminant production, and the conservation of wild small ruminants. Current efforts are directed towards the global control and eradication of PPRV, an initiative of the World Organisation for Animal Health and Food and the Agriculture Organisation of the United Nations. A plethora of diagnostic tools for PPR were primarily developed for livestock. New innovative diagnostic tools are needed to detect PPRV in atypical hosts (e.g., Camelidae, Suidae, and Bovinae), in wildlife ecosystems, and in complex field situations. Recent studies confirmed that single-domain antigen binding fragments (nanobodies) derived from heavy-chain-only camelid antibodies have proven to be a powerful tool in diagnostics and therapeutics due to their unique properties, such as small size and strong antigen-binding affinity. Therefore, the main objective of this study was to generate PPRV-reactive nanobodies in order to set a pace for the development of diagnostic and possibly therapeutic nanobodies in the future. Initially, a strategy was developed whereby an alpaca was immunized with PPRV in order to raise an affinity-matured immune response, from which an immune nanobody library was constructed. Following phage display, nine nanobodies that specifically recognise PPRV were identified on enzyme-linked immunosorbent assay. This study has generated PPRV-reactive nanobodies and have significant implications in the development of cost-effective diagnostic tools in context with the planned eradication of PPR in the world. Abstract Peste des petits ruminants virus (PPRV) causes a highly devastating disease, peste des petits ruminants (PPR) of sheep and goats, that threatens food security, small ruminant production, and the conservation of wild small ruminants in many developing countries, especially in Africa. Robust serological and molecular diagnostic tools are available to detect PPRV infection, but they were mainly developed for domestic sheep and goats. The presence of a wide host range for PPRV does present serological diagnostic challenges. New innovative diagnostic tools are needed to detect PPRV in atypical hosts (e.g., Camelidae, Suidae, and Bovinae), in wildlife ecosystems and in complex field situations. Interestingly, single-domain antigen binding fragments (nanobodies) derived from heavy-chain-only camelid antibodies have emerged as a new hope in the development of accurate, rapid, and cost-effective diagnostic tools in veterinary and biomedical fields that are suitable for low-income countries. The main objective of this study was to construct an immune nanobody library to retrieve PPRV-reactive nanobodies that enable the development of diagnostic and therapeutic nanobodies in the future. Here, a strategy was developed whereby an alpaca (Vicugna pacos) was immunized with a live attenuated vaccine strain (PPRV/N/75/1) to raise an affinity-matured immune response in the heavy-chain-only antibody classes. The nanobody gene repertoire was engineered in pMECS-GG phagemid, whereby a ccdB gene (encoding a lethal protein) was substituted by the nanobody gene. An immune nanobody library with approximately sixty-four million independent transformants was constructed, of which 100% contained an insert with the proper size of nanobody gene. Following phage display and biopanning, nine nanobodies that specifically recognise completely inactivated PPRV were identified on enzyme-linked immunosorbent assay. They showed superb potency in rapidly identifying PPRV, which is likely to open a new perspective in the diagnosis and possible treatment of PPR infection.
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Affiliation(s)
- Edson Kinimi
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 25523, Tanzania;
- Department of Veterinary Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3017, Morogoro 25523, Tanzania
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 25523, Tanzania
- Correspondence: (E.K.); (G.M.)
| | - Serge Muyldermans
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (S.M.); (C.V.)
| | - Cécile Vincke
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium; (S.M.); (C.V.)
| | - Steven Odongo
- Department of Biotechnical and Diagnostic Sciences, College of Veterinary Medicine, Animal Resources and Biosecurity (COVAB), Makerere University, Kampala 7062, Uganda;
| | - Richard Kock
- The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, UK;
| | - Satya Parida
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 25523, Tanzania;
- The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK;
| | - Mana Mahapatra
- The Pirbright Institute, Ash Road, Pirbright, Woking GU24 0NF, UK;
| | - Gerald Misinzo
- SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, P.O. Box 3297, Morogoro 25523, Tanzania;
- Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, P.O. Box 3019, Morogoro 25523, Tanzania
- Correspondence: (E.K.); (G.M.)
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Jin L, Li Y, Pu F, Wang H, Zhang D, Bai J, Shang Y, Ma Z, Ma XX. Inhibiting pyrimidine biosynthesis impairs Peste des Petits Ruminants Virus replication through depletion of nucleoside pools and activation of cellular immunity. Vet Microbiol 2021; 260:109186. [PMID: 34333402 DOI: 10.1016/j.vetmic.2021.109186] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 07/20/2021] [Indexed: 10/20/2022]
Abstract
Replication of peste des petits ruminants virus (PPRV) strongly depends on the cellular environment and resources of host cells including nucleoside pool. Thus, enzymes involved in nucleoside biosynthesis (such as pyrimidine biosynthesis pathway) are regarded as attractive targets for antiviral drug development. Here, we demonstrate that brequinar (BQR) and leflunomide (LFM) which are two specific inhibitors of DHODH enzyme and 6-azauracil (6-AU) which is an ODase enzyme inhibitor robustly inhibit PPRV replication in HEK293T cell line as well as in peripheral blood mononuclear cells isolated from goat. We further demonstrate that these agents exert anti-PPRV activity via the depletion of purimidine nucleotide. Interestingly, these inhibitors can trigger the transcription of antiviral interferon-stimulated genes (ISGs). However, the induction of ISGs is largely independent of the classical JAK-STAT pathway. Combination of BQR with interferons (IFNs) exerts enhanced ISG induction and anti-PPRV activity. Taken together, this study reveals an unconventional novel mechanism of crosstalk between nucleotide biosynthesis pathways and cellular antiviral immunity in inhibiting PPRV replication. In conclusion, targeting pyrimidine biosynthesis represents a potential strategy for developing antiviral strategies against PPRV.
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Affiliation(s)
- Li Jin
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China; State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
| | - Yicong Li
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China
| | - Feiyang Pu
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China
| | - Huihui Wang
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China
| | - Derong Zhang
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China
| | - Jialin Bai
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China
| | - Youjun Shang
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China
| | - Zhongren Ma
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China
| | - Xiao-Xia Ma
- Biomedical Research Center, Northwest Minzu University, Lanzhou, China; State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, China.
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Balamurugan V, Vinod Kumar K, Dheeraj R, Kurli R, Suresh KP, Govindaraj G, Shome BR, Roy P. Temporal and Spatial Epidemiological Analysis of Peste Des Petits Ruminants Outbreaks from the Past 25 Years in Sheep and Goats and Its Control in India. Viruses 2021; 13:v13030480. [PMID: 33804146 PMCID: PMC8001942 DOI: 10.3390/v13030480] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 03/02/2021] [Accepted: 03/04/2021] [Indexed: 11/16/2022] Open
Abstract
This study was aimed to understand the temporal and spatial epidemiology of peste des petits ruminants (PPR) in India using national surveillance data available in the National Animal Diseases Referral Expert System (NADRES) along with its control plan undertaken. On analysis of the outbreaks/cases reports in sheep and goats in NADRES database from 1995 to 2019, it was observed that PPR features among the top ten diseases and stands first among viral diseases, and among reported deaths, PPR accounts for 36% of mortality in sheep and goats. PPR outbreaks occur round the year in all the seasons but are encountered most frequently during the lean period especially, in the winter season (January to February) in different regions/zones. The reported outbreaks have been progressively declined in most of the states in India due to the implementation of a mass vaccination strategic program since 2011. On state-wise analysis, the PPR risk-areas showed wide variations with different levels of endemicity. Andhra Pradesh, West Bengal, and Karnataka were the top three outbreaks reported states during 1995-2010, whereas Jharkhand and West Bengal states reported more outbreaks during 2011-2015 and 2016-2019 periods. The temporal and spatial distribution of PPR in India provides valuable information on the hotspot areas/zones to take appropriate policy decisions towards its prevention and control in different regions/zones of India. The study also identifies when and where intensive surveillance and vaccination along with biosecurity measures need to be implemented for the control and eradication of the disease from India in consonance with the PPR Global Control and Eradication Strategy.
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Assefa A, Tibebu A, Bihon A, Yimana M. Global ecological niche modelling of current and future distribution of peste des petits ruminants virus (PPRv) with an ensemble modelling algorithm. Transbound Emerg Dis 2020; 68:3601-3610. [PMID: 33369166 DOI: 10.1111/tbed.13967] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 12/01/2020] [Accepted: 12/23/2020] [Indexed: 11/26/2022]
Abstract
Peste des petits ruminants (PPR) is a highly contagious transboundary viral disease of sheep and goats that negatively impacted the farmers and pastoralists' livelihood in Africa and Asia. To overcome the disease's consequences, the OIE and FAO are collaborating efforts to eradicate the disease once and for all. We developed a predictive model that delineates suitable territories for the virus globally in support of this eradication programme. To achieve this, we used an ecological niche modelling with an ensemble algorithm. AUC-ROC curve, true skill statistics (TSS) and Kappa values were used to evaluate the model's performance. A TSS value greater than 0.7 was used to pool outputs of the nine model. The ensemble model has better performance than individual models by every evaluation metrics (Kappa = 0.82, TSS = 0.88 and ROC = 0.99). Annual minimum temperature (24.92%), annual maximum temperature (21.37%), goat density (18.03%) and solar radiation (14.04%) have the highest overall contribution in the ensemble model. The model indicates that India, Mongolia, Iraq, Iran, Afghanistan, Nepal, Tanzania, Uganda, Kenya, Sudan, Angola, Nigeria, DRC, Ghana, Sierra Leon, Southern Spain, France, Albania, Montenegro, Macedonia, Italy, Armenia and Azerbaijan are highly suitable for PPRv. In 2040, suitable territories for PPRv will diminish, indicating the odds are with us in eradicating disease by 2030. We believe that this model can be used as an epidemiological tool to facilitate the global eradication programme of the disease set by the OIE and FAO.
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Affiliation(s)
- Ayalew Assefa
- Sekota Dryland Agricultural Research Center, Sekota, Ethiopia
| | - Abebe Tibebu
- Sekota Dryland Agricultural Research Center, Sekota, Ethiopia
| | - Amare Bihon
- School of Veterinary Medicine, Woldia University, Woldia, Ethiopia
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Murakami H, Yajima Y, Sato F, Kamisuki S, Taharaguchi S, Onda K, Roh S, Uchiyama J, Sakaguchi M, Tsukamoto K. Development of multipurpose recombinant reporter bovine leukemia virus. Virology 2020; 548:226-235. [PMID: 32771769 DOI: 10.1016/j.virol.2020.07.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/10/2020] [Accepted: 07/15/2020] [Indexed: 12/25/2022]
Abstract
Bovine leukemia virus (BLV) is a global problem that results in significant economic losses to the livestock industry. We developed three virus strains by inserting the HiBiT reporter tag from NanoLuc luciferase (NLuc) into limited sites within BLV molecular clones. Initial analysis for site selection of the tag insertion revealed a permissible site immediately downstream of the viral envelope gene. Therefore, NLuc activity could be used to measure virus copy numbers in the supernatant and the levels of cell infection. Productivity and growth kinetics of the reporter virus were similar to those of the wild-type strain; therefore, the reporter virus can be used to characterize the replication of chimeric viruses as well as responses to the antiviral drug, amprenavir. Collectively, our results suggest that the BLV reporter virus with a HiBiT tag insertion is a highly versatile system for various purposes such as evaluating virus replication and antiviral drugs.
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Affiliation(s)
- Hironobu Murakami
- Laboratory of Animal Health Ⅱ, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan.
| | - Yusuke Yajima
- Laboratory of Animal Health Ⅱ, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Fumiaki Sato
- Laboratory of Animal Health Ⅱ, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Shinji Kamisuki
- Laboratory of Chemistry, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Satoshi Taharaguchi
- Laboratory of Veterinary Microbiology Ⅱ, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Ken Onda
- Laboratory of Farm Animal Internal Medicine, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Sanggun Roh
- Laboratory of Animal Physiology, Graduate School of Agriculture Science, Tohoku University, 1-1, Amamiya-machi, Tsutsumidori, Aoba-ku, Sendai, Miyagi, 981-8555, Japan
| | - Jumpei Uchiyama
- Laboratory of Veterinary Microbiology Ⅰ, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Masahiro Sakaguchi
- Laboratory of Veterinary Microbiology Ⅰ, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Kenji Tsukamoto
- Laboratory of Animal Health Ⅱ, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
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Kinimi E, Odongo S, Muyldermans S, Kock R, Misinzo G. Paradigm shift in the diagnosis of peste des petits ruminants: scoping review. Acta Vet Scand 2020; 62:7. [PMID: 31996243 PMCID: PMC6988203 DOI: 10.1186/s13028-020-0505-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 01/18/2020] [Indexed: 11/10/2022] Open
Abstract
Peste des petits ruminants virus causes a highly contagious disease, which poses enormous economic losses in domestic animals and threatens the conservation of wild herbivores. Diagnosis remains a cornerstone to the Peste des petits ruminants Global Control and Eradication Strategy, an initiative of the World Organisation for Animal Health and the Food and Agriculture Organisation. The present review presents the peste des petits ruminants diagnostic landscape, including the practicality of commercially available diagnostic tools, prototype tests and opportunities for new technologies. The most common peste des petits ruminants diagnostic tools include; agar gel immunodiffusion, counter-immunoelectrophoresis, enzyme-linked immunosorbent assays, reverse transcription polymerase chain reaction either gel-based or real-time, reverse transcription loop-mediated isothermal amplification, reverse transcription recombinase polymerase amplification assays, immunochromatographic lateral flow devices, luciferase immunoprecipitation system and pseudotype-based assays. These tests vary in their technical demands, but all require a laboratory with exception of immunochromatographic lateral flow and possibly reverse transcription loop-mediated isothermal amplification and reverse transcription recombinase polymerase amplification assays. Thus, we are proposing an efficient integration of diagnostic tests for rapid and correct identification of peste des petits ruminants in endemic zones and to rapidly confirm outbreaks. Deployment of pen-side tests will improve diagnostic capacity in extremely remote settings and susceptible wildlife ecosystems, where transportation of clinical samples in the optimum cold chain is unreliable.
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