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Klink AC, Rula O, Sushko M, Bezymennyi M, Mezinov O, Gaidash O, Bai X, Stegniy A, Sapachova M, Datsenko R, Skorokhod S, Nedosekov V, Hill NJ, Ninua L, Kovalenko G, Ducluzeau AL, Mezhenskyi A, Buttler J, Drown DM, Causey D, Stegniy B, Gerilovych A, Bortz E, Muzyka D. Discovery of Avian Paramyxoviruses APMV-1 and APMV-6 in Shorebirds and Waterfowl in Southern Ukraine. Viruses 2023; 15:699. [PMID: 36992408 PMCID: PMC10058161 DOI: 10.3390/v15030699] [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: 06/16/2022] [Revised: 09/29/2022] [Accepted: 10/04/2022] [Indexed: 03/12/2023] Open
Abstract
Emerging RNA virus infections are a growing concern among domestic poultry industries due to the severe impact they can have on flock health and economic livelihoods. Avian paramyxoviruses (APMV; avulaviruses, AaV) are pathogenic, negative-sense RNA viruses that cause serious infections in the respiratory and central nervous systems. APMV was detected in multiple avian species during the 2017 wild bird migration season in Ukraine and studied using PCR, virus isolation, and sequencing. Of 4090 wild bird samples collected, mostly from southern Ukraine, eleven isolates were grown in ovo and identified for APMV serotype by hemagglutinin inhibition test as: APMV-1, APMV-4, APMV-6, and APMV-7. To build One Health's capacity to characterize APMV virulence and analyze the potential risks of spillover to immunologically naïve populations, we sequenced virus genomes in veterinary research labs in Ukraine using a nanopore (MinION) platform. RNA was extracted and amplified using a multiplex tiling primer approach to specifically capture full-length APMV-1 (n = 5) and APMV-6 (n = 2) genomes at high read depth. All APMV-1 and APMV-6 fusion (F) proteins possessed a monobasic cleavage site, suggesting these APMVs were likely low virulence, annually circulating strains. Utilization of this low-cost method will identify gaps in viral evolution and circulation in this understudied but important critical region for Eurasia.
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Affiliation(s)
- Amy C. Klink
- Department of Biological Sciences, University of Alaska Anchorage, Anchorage, AK 99508, USA
| | - Oleksandr Rula
- National Scientific Center Institute of Experimental and Clinical Veterinary Medicine, 61023 Kharkiv, Ukraine
| | - Mykola Sushko
- State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, 03151 Kyiv, Ukraine
| | - Maksym Bezymennyi
- Institute for Veterinary Medicine, National Academy of Agrarian Sciences, 03151 Kyiv, Ukraine
| | - Oleksandr Mezinov
- The F.E. Falz-Fein Biosphere Reserve “Askania Nova”, Askania-Nova, 75230 Kakhovka Raion, Ukraine
| | - Oleksandr Gaidash
- Institute of Natural Sciences, Department of Zoology, H.S. Skovoroda Kharkiv National Pedagogical University, 61022 Kharkiv, Ukraine
- Danube Biosphere Reserve, National Academy of Sciences of Ukraine, 68355 Vilkove, Ukraine
| | - Xiao Bai
- Department of Biological Sciences, University of Alaska Anchorage, Anchorage, AK 99508, USA
| | - Anton Stegniy
- National Scientific Center Institute of Experimental and Clinical Veterinary Medicine, 61023 Kharkiv, Ukraine
| | - Maryna Sapachova
- State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, 03151 Kyiv, Ukraine
| | - Roman Datsenko
- State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, 03151 Kyiv, Ukraine
| | - Sergiy Skorokhod
- State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, 03151 Kyiv, Ukraine
| | - Vitalii Nedosekov
- Department of Epizootology, The National University of Life and Environmental Science of Ukraine, 03041 Kyiv, Ukraine
| | - Nichola J. Hill
- Department of Biology, University of Massachusetts, Boston, MA 02125, USA
| | - Levan Ninua
- Institute of Ecology, Ilia State University, Tbilisi 0162, Georgia
| | - Ganna Kovalenko
- Department of Biological Sciences, University of Alaska Anchorage, Anchorage, AK 99508, USA
- Institute for Veterinary Medicine, National Academy of Agrarian Sciences, 03151 Kyiv, Ukraine
- Division of Virology, Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Anne Lise Ducluzeau
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
| | - Andriy Mezhenskyi
- State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, 03151 Kyiv, Ukraine
| | - Jeremy Buttler
- Department of Biological Sciences, University of Alaska Anchorage, Anchorage, AK 99508, USA
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
| | - Devin M. Drown
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
| | - Douglas Causey
- Department of Biological Sciences, University of Alaska Anchorage, Anchorage, AK 99508, USA
| | - Borys Stegniy
- National Scientific Center Institute of Experimental and Clinical Veterinary Medicine, 61023 Kharkiv, Ukraine
| | - Anton Gerilovych
- National Scientific Center Institute of Experimental and Clinical Veterinary Medicine, 61023 Kharkiv, Ukraine
- State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, 03151 Kyiv, Ukraine
| | - Eric Bortz
- Department of Biological Sciences, University of Alaska Anchorage, Anchorage, AK 99508, USA
- Institute for Veterinary Medicine, National Academy of Agrarian Sciences, 03151 Kyiv, Ukraine
| | - Denys Muzyka
- National Scientific Center Institute of Experimental and Clinical Veterinary Medicine, 61023 Kharkiv, Ukraine
- Danube Biosphere Reserve, National Academy of Sciences of Ukraine, 68355 Vilkove, Ukraine
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Javaheri A, Bykov Y, Mena I, García-Sastre A, Cuadrado-Castano S. Avian Paramyxovirus 4 Antitumor Activity Leads to Complete Remissions and Long-term Protective Memory in Preclinical Melanoma and Colon Carcinoma Models. CANCER RESEARCH COMMUNICATIONS 2022; 2:602-615. [PMID: 35937459 PMCID: PMC9351398 DOI: 10.1158/2767-9764.crc-22-0025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/26/2022] [Accepted: 06/17/2022] [Indexed: 06/15/2023]
Abstract
Avulaviruses represent a diverse subfamily of non-segmented negative strand RNA viruses infecting avian species worldwide. To date, 22 different serotypes have been identified in a variety of avian hosts, including wild and domestic birds. APMV-1, also known as Newcastle disease virus (NDV), is the only avulavirus that has been extensively characterized due to its relevance for the poultry industry and, more recently, its inherent oncolytic activity and potential as a cancer therapeutic. An array of both naturally-occurring and recombinant APMV-1 strains has been tested in different preclinical models and clinical trials, highlighting NDV as a promising viral agent for human cancer therapy. To date, the oncolytic potential of other closely related avulaviruses remains unknown. Here, we have examined the in vivo anti-tumor capability of prototype strains of APMV serotypes -2, -3, -4, -6, -7, -8 and -9 in syngeneic murine colon carcinoma and melanoma tumor models. Our studies have identified APMV-4 Duck/Hong Kong/D3/1975 virus as a novel oncolytic agent with greater therapeutic potential than one of the NDV clinical candidate strains, La Sota. Intratumoral administration of the naturally-occurring APMV-4 virus significantly extends survival, promotes complete remission, and confers protection against re-challenge in both murine colon carcinoma and melanoma tumor models. Furthermore, we have designed a plasmid rescue strategy that allows us to develop recombinant APMV-4-based viruses. The infectious clone rAPMV-4 preserves the extraordinary antitumor capacity of its natural counterpart, paving the way to a promising next generation of viral therapeutics.
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Affiliation(s)
- Aryana Javaheri
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York
| | - Yonina Bykov
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York
| | - Ignacio Mena
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York
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Young KT, Stephens JQ, Poulson RL, Stallknecht DE, Dimitrov KM, Butt SL, Stanton JB. Putative Novel Avian Paramyxovirus (AMPV) and Reidentification of APMV-2 and APMV-6 to the Species Level Based on Wild Bird Surveillance (United States, 2016-2018). Appl Environ Microbiol 2022; 88:e0046622. [PMID: 35612300 PMCID: PMC9195946 DOI: 10.1128/aem.00466-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 04/20/2022] [Indexed: 11/20/2022] Open
Abstract
Avian paramyxoviruses (APMVs) (subfamily Avulavirinae) have been isolated from over 200 species of wild and domestic birds around the world. The International Committee on Taxonomy of Viruses (ICTV) currently defines 22 different APMV species, with Avian orthoavulavirus 1 (whose viruses are designated APMV-1) being the most frequently studied due to its economic burden to the poultry industry. Less is known about other APMV species, including limited knowledge on the genetic diversity in wild birds, and there is a paucity of public whole-genome sequences for APMV-2 to -22. The goal of this study was to use MinION sequencing to genetically characterize APMVs isolated from wild bird swab samples collected during 2016 to 2018 in the United States. Multiplexed MinION libraries were prepared using a random strand-switching approach using 37 egg-cultured, influenza-negative, hemagglutination-positive samples. Forty-one APMVs were detected, with 37 APMVs having complete polymerase coding sequences allowing for species identification using ICTV's current Paramyxoviridae phylogenetic methodology. APMV-1, -4, -6, and -8 viruses were classified, one putative novel species (Avian orthoavulavirus 23) was identified from viruses isolated in this study, two putative new APMV species (Avian metaavulavirus 24 and 27) were identified from viruses isolated in this study and from retrospective GenBank sequences, and two putative new APMV species (Avian metaavulavirus 25 and 26) were identified solely from retrospective GenBank sequences. Furthermore, coinfections of APMVs were identified in four samples. The potential limitations of the branch length being the only species identification criterion and the potential benefit of a group pairwise distance analysis are discussed. IMPORTANCE Most species of APMVs are understudied and/or underreported, and many species were incidentally identified from asymptomatic wild birds; however, the disease significance of APMVs in wild birds is not fully determined. The rapid rise in high-throughput sequencing coupled with avian influenza surveillance programs have identified 12 different APMV species in the last decade and have challenged the resolution of classical serological methods to identify new viral species. Currently, ICTV's only criterion for Paramyxoviridae species classification is the requirement of a branch length of >0.03 using a phylogenetic tree constructed from polymerase (L) amino acid sequences. The results from this study identify one new APMV species, propose four additional new APMV species, and highlight that the criterion may have insufficient resolution for APMV species demarcation and that refinement or expansion of this criterion may need to be established for Paramyxoviridae species identification.
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Affiliation(s)
- Kelsey T. Young
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - Jazz Q. Stephens
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
| | - Rebecca L. Poulson
- Department of Population Health, Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, Georgia, USA
| | - David E. Stallknecht
- Department of Population Health, Southeastern Cooperative Wildlife Disease Study, University of Georgia, Athens, Georgia, USA
| | - Kiril M. Dimitrov
- Department of Virology, Texas A&M University, College Station, Texas, USA
| | - Salman L. Butt
- Department of Pathology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - James B. Stanton
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, Georgia, USA
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Genetic and Antigenic Characterization of Avian Avulavirus Type 6 (AAvV-6) Circulating in Canadian Wild Birds (2005-2017). Viruses 2021; 13:v13040543. [PMID: 33805157 PMCID: PMC8064105 DOI: 10.3390/v13040543] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/16/2021] [Accepted: 03/23/2021] [Indexed: 11/17/2022] Open
Abstract
We describe for the first time the genetic and antigenic characterization of 18 avian avulavirus type-6 viruses (AAvV-6) that were isolated from wild waterfowl in the Americas over the span of 12 years. Only one of the AAvV-6 viruses isolated failed to hemagglutinate chicken red blood cells. We were able to obtain full genome sequences of 16 and 2 fusion gene sequences from the remaining 2 isolates. This is more than double the number of full genome sequences available at the NCBI database. These AAvV-6 viruses phylogenetically grouped into the 2 existing AAvV-6 genotype subgroups indicating the existence of an intercontinental epidemiological link with other AAvV-6 viruses isolated from migratory waterfowl from different Eurasian countries. Antigenic maps made using HI assay data for these isolates showed that the two genetic groups were also antigenically distinct. An isolate representing each genotype was inoculated in specific pathogen free (SPF) chickens, however, no clinical symptoms were observed. A duplex fusion gene based real-time assay for the detection and genotyping of AAvV-6 to genotype 1 and 2 was developed. Using the developed assay, the viral shedding pattern in the infected chickens was examined. The chickens infected with both genotypes were able to shed the virus orally for about a week, however, no significant cloacal shedding was detected in chickens of both groups. Chickens in both groups developed detectable levels of anti-hemagglutinin antibodies 7 days after infection.
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Rao PL, Gandham RK, Subbiah M. Molecular evolution and genetic variations of V and W proteins derived by RNA editing in Avian Paramyxoviruses. Sci Rep 2020; 10:9532. [PMID: 32533018 PMCID: PMC7293227 DOI: 10.1038/s41598-020-66252-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 05/06/2020] [Indexed: 11/12/2022] Open
Abstract
The newly assigned subfamily Avulavirinae in the family Paramyxoviridae includes avian paramyxoviruses (APMVs) isolated from a wide variety of avian species across the globe. Till date, 21 species of APMVs are reported and their complete genome sequences are available in GenBank. The APMV genome comprises of a single stranded, negative sense, non-segmented RNA comprising six transcriptional units (except APMV-6 with seven units) each coding for a structural protein. Additionally, by co-transcriptional RNA editing of phosphoprotein (P) gene, two mRNAs coding for accessory viral proteins, V and W, are generated along with unedited P mRNA. However, in APMV-11, the unedited mRNA codes for V protein while +2 edited mRNA translates to P protein, similar to members of subfamily Rubulavirinae in the same family. Such RNA editing in paramyxoviruses enables maximizing the coding capacity of their smaller genome. The three proteins of P gene: P, V and W, share identical N terminal but varied C terminal sequences that contribute to their unique functions. Here, we analyzed the P gene editing site, V and W sequences of all 21 APMV species known so far (55 viruses) by using bioinformatics and report their genetic variations and molecular evolution. The variations observed in the sequence and hexamer phase positions of the P gene editing sites is likely to influence the levels and relative proportions of P, V and W proteins' expressions which could explain the differences in the pathogenicity of APMVs. The V protein sequences of APMVs had conserved motifs similar to V proteins of other paramyxoviruses including the seven cysteine residues involved in MDA5 interference, STAT1 degradation and interferon antagonism. Conversely, W protein sequences of APMVs were distinct. High sequence homology was observed in both V and W proteins between strains of the same species than between species except in APMV-3 which was the most divergent APMV species. The estimates of synonymous and non-synonymous substitution rates suggested negative selection pressure on the V and W proteins within species indicating their low evolution rate. The molecular clock analysis revealed higher conservation of V protein sequence compared to W protein indicating the important role played by V protein in viral replication, pathogenesis and immune evasion. However, we speculate the genetic diversity of W proteins could impact the degree of pathogenesis, variable interferon antagonistic activity and the wide host range exhibited by APMV species. Phylogenetically, V proteins of APMVs clustered into three groups similar to the recent classification of APMVs into three new genera while no such pattern could be deciphered in the analysis of W proteins except that strains of same species grouped together. This is the first comprehensive study describing in detail the genetic variations and the molecular evolution of P gene edited, accessory viral proteins of Avian paramyxoviruses.
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Affiliation(s)
| | - Ravi Kumar Gandham
- National Institute of Animal Biotechnology, Hyderabad, 500032, Telangana, India
| | - Madhuri Subbiah
- National Institute of Animal Biotechnology, Hyderabad, 500032, Telangana, India.
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Karamendin KO, Sayatov MK, Kydyrmanov AI, Kasymbekov ET, Asanova SE, Daulbayeva KD, Khan EY. [Molecular-genetic characterization of Avian avulavirus 20 strains isolated from wild birds.]. Vopr Virusol 2019; 64:185-192. [PMID: 32163685 DOI: 10.36233/0507-4088-2019-64-4-185-192] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 10/31/2018] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Previously unknown paramyxovirus strains were isolated from wild birds in 2013-2014 in Kazakhstan and subsequently identified as representatives of the novel Avian avulavirus 20 species. The aims and tasks were molecular genetic characterization of novel avulaviruses and investigation of their phylogenetic relationships. MATERIAL AND METHODS Embryonated chicken eggs were inoculated with cloacal and tracheal swabs from wild birds with subsequent virus isolation. The complete nucleotide sequences of viral genomes were obtained by massive parallel sequencing with subsequent bioinformatics processing. RESULTS By initial infection of chicken embryos with samples from 179 wild birds belonging to the Anatidae, Laridae, Scolopacidae and Charadriidae families, 19 hemagglutinating agents were isolated, and five of them were identified as representatives of new viral species. The study of their sequenced genomes revealed their similarity in size, but there was a significant genetic variability within the species. 2,640 nucleotide substitutions were identified and 273 of them were nonsynonymous, influencing the protein structure of viruses. It was shown that isolates Avian avulavirus 20/black-headed gull/Balkhash/5844/2013 and Avian avulavirus 20 /great black-headed gull/Atyrau/5541/2013 were 86% and 95% respectively identical to the previously described reference strain, indicating a significant evolutionary divergence within species. DISCUSSION The authors suggest the existence of two independent lineages - the Caspian, represented by the reference strain Aktau/5976 and Atyrau/5541, as well as the second, geographically significantly distant Balkhash lineage. CONCLUSION The study confirms the role of the birds of the Laridae family as the main reservoir of Avian avulavirus 20 in the avifauna that plays a key role in maintaining viruses of the genus Avulavirus in the biosphere and is a potential natural source for the emergence of new viral variants. Continuous surveillance of them in the wild is one of the most important tasks in ensuring the safety of the poultry industry.
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Affiliation(s)
- K O Karamendin
- SPC for Microbiology and Virology, Almaty, 050010, Kazakhstan
| | - M K Sayatov
- SPC for Microbiology and Virology, Almaty, 050010, Kazakhstan
| | - A I Kydyrmanov
- SPC for Microbiology and Virology, Almaty, 050010, Kazakhstan
| | - E T Kasymbekov
- SPC for Microbiology and Virology, Almaty, 050010, Kazakhstan
| | - S E Asanova
- SPC for Microbiology and Virology, Almaty, 050010, Kazakhstan
| | - K D Daulbayeva
- SPC for Microbiology and Virology, Almaty, 050010, Kazakhstan
| | - E Y Khan
- SPC for Microbiology and Virology, Almaty, 050010, Kazakhstan
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Chen Y, Ding Z, Liu X, Chen J, Li J, Fei Y, Liu Z, Stoeger T, Bi Y, Yin R. Biological and phylogenetic characterization of a novel hemagglutination-negative avian avulavirus 6 isolated from wild waterfowl in China. Transbound Emerg Dis 2018; 65:1421-1428. [PMID: 30146734 PMCID: PMC7169737 DOI: 10.1111/tbed.13005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 08/08/2018] [Accepted: 08/21/2018] [Indexed: 02/05/2023]
Abstract
Up to now only nine whole genome sequences of avian avulavirus 6 (AAvV‐6) had been documented in the world since the first discovery of AAvV‐6 (AAvV‐6/duck/HongKong/18/199/77) at a domestic duck in 1977 from Hong Kong of China. Very limited information is known about the regularities of transmission, genetic and biological characteristics of AAvV‐6 because of the lower isolation rate and mild losses for poultry industry. To better further explore the relationships among above factors, an AAvV‐6 epidemiological surveillance of domestic poultry and wild birds in six provinces of China suspected of sites of inter‐species transmission and being intercontinental flyways during the year 2013–2017 was conducted. Therefore, 9,872 faecal samples from wild birds and 1,642 cloacal and tracheal swab samples from clinically healthy poultry of live bird market (LBM) were collected respectively. However, only one novel hemagglutination‐negative AAvV‐6 isolate (AAvV‐6/mallard/Hubei/2015) was isolated from a fresh faecal sample obtained from mallard at a wetland of Hubei province. Sequencing and phylogenetic analyses of this AAvV‐6 isolate (AAvV‐6/mallard/Hubei/2015) indicated that this isolate grouping to genotype I were epidemiological intercontinentally linked with viruses from the wild birds in Europe and America. Meanwhile, at least two genotypes (I and II) are existed within serotype AAvV‐6. In additional, this novel hemagglutination‐negative AAvV‐6 isolate in chicken embryos restored its hemagglutination when pre‐treated with trypsin. These findings, together with data from other AAvV‐6, suggest potential epidemiological intercontinental spreads among AAvV‐6 transmission by wild migratory birds, and reveal potential threats to wild birds and domestic poultry worldwide.
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Affiliation(s)
- Yanyu Chen
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Zhuang Ding
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xinxin Liu
- College of Food Science and Engineering, Jilin University, Changchun, China
| | - Jianjun Chen
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Hubei, China
| | - Junjiao Li
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yidong Fei
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Zhe Liu
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Tobias Stoeger
- Comprehensive Pneumology Center, Institute of Lung Biology and Disease (iLBD), Helmholtz Zentrum Muenchen, Munich, Germany
| | - Yuhai Bi
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Renfu Yin
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, Jilin University, Changchun, China
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Metagenomics detection and characterisation of viruses in faecal samples from Australian wild birds. Sci Rep 2018; 8:8686. [PMID: 29875375 PMCID: PMC5989203 DOI: 10.1038/s41598-018-26851-1] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 05/17/2018] [Indexed: 01/19/2023] Open
Abstract
We present an optimised metagenomics method for detection and characterisation of all virus types including single and double stranded DNA/RNA and enveloped and non-enveloped viruses. Initial evaluation included both spiked and non-spiked bird faecal samples as well as non-spiked human faecal samples. From the non-spiked bird samples (Australian Muscovy duck and Pacific black ducks) we detected 21 viruses, and we also present a summary of a few viruses detected in human faecal samples. We then present a detailed analysis of selected virus sequences in the avian samples that were somewhat similar to known viruses, and had good quality (Q20 or higher) and quantity of next-generation sequencing reads, and was of interest from a virological point of view, for example, avian coronavirus and avian paramyxovirus 6. Some of these viruses were closely related to known viruses while others were more distantly related with 70% or less identity to currently known/sequenced viruses. Besides detecting viruses, the technique also allowed the characterisation of host mitochondrial DNA present and thus identifying host species, while ribosomal RNA sequences provided insight into the "ribosomal activity microbiome"; of gut parasites; and of food eaten such as plants or insects, which we correlated to non-avian host associated viruses.
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Avian viral surveillance in Victoria, Australia, and detection of two novel avian herpesviruses. PLoS One 2018; 13:e0194457. [PMID: 29570719 PMCID: PMC5865735 DOI: 10.1371/journal.pone.0194457] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 03/02/2018] [Indexed: 12/11/2022] Open
Abstract
Viruses in avian hosts can pose threats to avian health and some have zoonotic potential. Hospitals that provide veterinary care for avian patients may serve as a site of exposure of other birds and human staff in the facility to these viruses. They can also provide a useful location to collect samples from avian patients in order to examine the viruses present in wild birds. This study aimed to investigate viruses of biosecurity and/or zoonotic significance in Australian birds by screening samples collected from 409 birds presented to the Australian Wildlife Health Centre at Zoos Victoria’s Healesville Sanctuary for veterinary care between December 2014 and December 2015. Samples were tested for avian influenza viruses, herpesviruses, paramyxoviruses and coronaviruses, using genus- or family-wide polymerase chain reaction methods coupled with sequencing and phylogenetic analyses for detection and identification of both known and novel viruses. A very low prevalence of viruses was detected. Columbid alphaherpesvirus 1 was detected from a powerful owl (Ninox strenua) with inclusion body hepatitis, and an avian paramyxovirus most similar to Avian avulavirus 5 was detected from a musk lorikeet (Glossopsitta concinna). Two distinct novel avian alphaherpesviruses were detected in samples from a sulphur-crested cockatoo (Cacatua galerita) and a tawny frogmouth (Podargus strigoides). Avian influenza viruses and avian coronaviruses were not detected. The clinical significance of the newly detected viruses remains undetermined. Further studies are needed to assess the host specificity, epidemiology, pathogenicity and host-pathogen relationships of these novel viruses. Further genome characterization is also indicated, and would be required before these viruses can be formally classified taxonomically. The detection of these viruses contributes to our knowledge on avian virodiversity. The low level of avian virus detection, and the absence of any viruses with zoonotic potential, suggests low risk to biosecurity and human health.
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Genetic Diversity of Avian Paramyxovirus Type 6 Isolated from Wild Ducks in the Republic of Korea. J Wildl Dis 2018. [PMID: 29517403 DOI: 10.7589/2017-07-158] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Eleven avian paramyxovirus type 6 (APMV-6) isolates from Eurasian Wigeon ( n=5; Anas penelope), Mallards ( n=2; Anas platyrhynchos), and unknown species of wild ducks ( n=4) from Korea were analyzed based on the nucleotide (nt) and deduced amino acid sequences of the fusion (F) gene. Fecal samples were collected in 2010-14. Genotypes were assigned based on phylogenetic analyses. Our results revealed that APMV-6 could be classified into at least two distinct genotypes, G1 and G2. The open reading frame (ORF) of the G1 genotype was 1,668 nt in length, and the putative F0 cleavage site sequence was 113PAPEPRL119. The G2 genotype viruses included five isolates from Eurasian wigeons and four isolates from unknown waterfowl species, together with two reference APMV-6 strains from the Red-necked Stint ( Calidris ruficollis) from Japan and an unknown duck from Italy. There was an N-truncated ORF (1,638 nt), due to an N-terminal truncation of 30 nt in the signal peptide region of the F gene, and the putative F0 cleavage site sequence was 103SIREPRL109. The genetic diversity and ecology of APMV-6 are discussed.
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11
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Bui VN, Trinh DQ, Abao LNB, Ozeki Y, Runstadler J, Nakamura K, Ogawa H, Imai K. Evaluation of the replication and pathogenicity of a variant avian paramyxovirus serotype 6 in mice. Arch Virol 2017; 162:3035-3043. [PMID: 28685285 DOI: 10.1007/s00705-017-3459-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Accepted: 04/26/2017] [Indexed: 01/30/2023]
Abstract
Avian paramyxoviruses (APMVs) have been evaluated for their potential use as vaccine vectors, sparking research efforts leading to a better understanding of APMVs' replication and pathogenicity. However, within APMV serotypes, significant genetic diversity exists, and the infectivity of variant strains in mammals has not been studied. We utilized a mouse model to evaluate the pathogenicity of a variant strain of APMV-6 (APMV-6/red-necked stint/Japan/8KS0813/2008) in comparison with the prototype APMV-6 strain (APMV-6/duck/Hong Kong/18/199/1977). Although the two viruses differ substantially, both genetically and antigenically, we found that the variant and prototype strains could similarly replicate in respiratory tissues of infected mice and induce respiratory disease, sometimes resulting in death of the mice. Both viruses induced a humoral immune response that could be clearly detected by ELISA but which was poorly recognized by the hemagglutination inhibition test.
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Affiliation(s)
- Vuong Nghia Bui
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan.,National Institute of Veterinary Research, 86 Truong Chinh, Dong Da, Hanoi, Vietnam
| | - Dai Quang Trinh
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan.,National Institute of Veterinary Research, 86 Truong Chinh, Dong Da, Hanoi, Vietnam
| | - Lary N B Abao
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan.,Department of Agriculture-Agribusiness and Marketing Assistance Service, 1101, Quezon City, Philippines
| | - Yuki Ozeki
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan
| | | | - Kikuyasu Nakamura
- National Institute of Animal Health, Tsukuba, Ibaraki, 305-0856, Japan
| | - Haruko Ogawa
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan.
| | - Kunitoshi Imai
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan
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12
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Thampaisarn R, Bui VN, Trinh DQ, Nagai M, Mizutani T, Omatsu T, Katayama Y, Gronsang D, Le DHT, Ogawa H, Imai K. Characterization of avian paramyxovirus serotype 14, a novel serotype, isolated from a duck fecal sample in Japan. Virus Res 2016; 228:46-57. [PMID: 27884627 DOI: 10.1016/j.virusres.2016.11.018] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 11/14/2016] [Accepted: 11/14/2016] [Indexed: 01/11/2023]
Abstract
A hemagglutinating virus isolate designated 11OG0352, was obtained from a duck fecal sample. Genetic and virological analyses indicated that it might represent a novel serotype of avian paramyxovirus (APMV). Electron micrographs showed that the morphology of the virus particle was similar to that of APMV. The complete genome of this virus comprised 15,444 nucleotides complying with the paramyxovirus "rule of six" and contains six open reading frames (3'-N-P-M-F-HN-L-5'). The phylogenetic analysis of the whole genome revealed that the virus was a member of the genus Avulavirus, but that it was distinct from APMV-1 to APMV-13. Although the F-protein cleavage site was TREGK↓L, which resembles a lentogenic strain of APMV-1, the K residue at position -1 of the cleavage site was first discovered in APMV members. The phosphoprotein gene of isolate 11OG0352 contains a putative RNA editing site, 3'-AUUUUCCC-5' (negative sense) which sequence differs from that of other APMVs. The intracerebral pathogenicity index test did not detect virulence in infected chicks. In hemagglutination inhibition (HI) tests, an antiserum against this virus did not detectably react with other APMVs (serotypes 1-4, 6-9) except for low reciprocal cross-reactivity with APMV-6. We designated this isolate, as APMV-14/duck/Japan/11OG0352/2011 and propose that it is a novel APMV serotype. The HI test may not be widely applicable for the classification of a new serotype because of the limited availability of reference antisera against all serotypes and cross-reactivity data. The nucleotide sequence identities of the whole genome of 11OG0352 and other APMVs ranged from 46.3% to 56.1%. Such comparison may provide a useful tool for classifying new APMV isolates. However, the nucleotide sequence identity between APMV-12 and APMV-13 was higher (64%), which was nearly identical to the lowest nucleotide identity (67%) reported in subgroups within the serotype. Therefore, consensus criteria for using whole genome analysis should be established.
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Affiliation(s)
- Rapeewan Thampaisarn
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Vuong N Bui
- National Institute of Veterinary Research, 86 Truong Chinh, Dong Da, Hanoi, Viet Nam
| | - Dai Q Trinh
- National Institute of Veterinary Research, 86 Truong Chinh, Dong Da, Hanoi, Viet Nam
| | - Makoto Nagai
- Research and Education Center for Prevention of Global Infectious Diseases of Animals, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan
| | - Tetsuya Mizutani
- Research and Education Center for Prevention of Global Infectious Diseases of Animals, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan
| | - Tsutomu Omatsu
- Research and Education Center for Prevention of Global Infectious Diseases of Animals, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan
| | - Yukie Katayama
- Research and Education Center for Prevention of Global Infectious Diseases of Animals, Tokyo University of Agriculture and Technology, Fuchu, Tokyo 183-8509, Japan
| | - Dulyatad Gronsang
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan; Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Duong H T Le
- Pasteur Institute of Ho Chi Minh City, 167 Pasteur, District 3, Ho Chi Minh City, Viet Nam
| | - Haruko Ogawa
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan
| | - Kunitoshi Imai
- Diagnostic Center for Animal Health and Food Safety, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido 080-8555, Japan.
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13
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Characterization of avian paramyxovirus type 6 isolated from a Eurasian teal in the intersection of migratory flyways in Russia. Arch Virol 2016; 161:3275-9. [PMID: 27573675 PMCID: PMC7086963 DOI: 10.1007/s00705-016-3029-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 08/22/2016] [Indexed: 12/02/2022]
Abstract
The complete genome sequence was determined for avian paramyxovirus (APMV-6) serotype 6 strain teal/Chany/455/2009, isolated from a teal (Anas crecca) in Siberia. Siberia is crossed by four major migration flyways and represents the major breeding area for many wild bird species in the Palearctic. Strain teal/Chany/455/2009 is genetically closely related to Kazakh and Chinese strains and belongs to the genetic group of duck/Hong Kong/18/199/77-like APMV-6 viruses. We show that the virus has low pathogenic potential according to genetic markers and animal model experiments.
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14
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Yamamoto E, Ito T, Ito H. Completion of full length genome sequence of novel avian paramyxovirus strain APMV/Shimane67 isolated from migratory wild geese in Japan. J Vet Med Sci 2016; 78:1583-1594. [PMID: 27430258 PMCID: PMC5095628 DOI: 10.1292/jvms.16-0264] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The nucleotide sequences of nucleocapsid protein (N); phosphoprotein (P); matrix protein (M); hemagglutinin-neuraminidase (HN); and large polymerase protein (L) genes, 3'-end leader, 5'-end trailer and intergenic regions of the avian paramyxovirus (APMV) strain goose/Shimane/67/2000 (APMV/Shimane67) were determined. Together with previously reported data on fusion protein (F) gene sequence [46], the determination of the genome sequence of APMV/Shimane67 has been completed in this study. The genome of APMV/Shimane67 comprised 16,146 nucleotides in length and contains six genes in the order of 3'-N-P-M-F-HN-L-5'. The features of the APMV/Shimane67 genome (e.g., nucleotide length of whole genome and each of the six genes, and predicted amino acid length of each of the six genes) were distinct from those of other APMV serotypes. Phylogenetic analysis indicated that although APMV/Shimane67 was grouped with APMV-1, -9 and -12, the evolutionary distance between APMV/Shimane67 and these viruses was longer than that observed between intra-serotype viruses. These results show that the genome sequence of APMV/Shimane67 contains specific characteristics and is distinguishable from other types of APMV.
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Affiliation(s)
- Eiji Yamamoto
- United Graduate School of Veterinary Sciences, Yamaguchi University, Yamaguchi 753-8515, Japan
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15
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Karamendin K, Kydyrmanov A, Seidalina A, Asanova S, Daulbayeva K, Kasymbekov Y, Khan E, Fereidouni S, Starick E, Zhumatov K, Sayatov M. Circulation of avian paramyxoviruses in wild birds of Kazakhstan in 2002-2013. Virol J 2016; 13:23. [PMID: 26846092 PMCID: PMC4743248 DOI: 10.1186/s12985-016-0476-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 01/25/2016] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Screening wild birds for avian paramyxoviruses is of increasing importance. 6913 samples of tracheal and cloacal swabs were collected during 2002-2013 and tested to study the prevalence of APMVs in wild avifauna of Kazakhstan. As a result, 45 isolates were obtained during this period and their ecological niches and genetic relationships were defined. METHODS Tracheal and cloacal samples from wild birds were collected using sterile swabs placed in viral transport medium and kept in liquid nitrogen until delivery to the laboratory. Samples were inoculated into 10-day-old embryonated chicken eggs and reverse transcription PCR (RT-PCR) assays were performed via a one-step protocol. The PCR products were sequenced and phylogenetic trees were constructed using the 'Neighbour Joining' method. RESULTS Six thousand nine hundred thirteen samples from 183 bird species were investigated and 45 isolates belonging to four different serotypes APMV-1, APMV-4, APMV-6 and APMV-8 were identified. All APMVs were isolated predominantly from birds belonging to Anatidae family (ducks and geese) and only one APMV-4 isolate was obtained from shorebird (Curlew) on the Caspian seashore. Genetic studies showed that the recovered APMV-1 strains had highest homology with European isolates. APMV-4 strains isolated in 2003, and APMV-6 and APMV-8 isolated in 2013 were 99 % identical to isolates from Far East. CONCLUSION This is the first reported characterization of avian paramyxoviruses from wild birds isolated in Kazakhstan. These data confirm the wide distribution of APMV-1, APMV-4 and APMV-6 in the Asian subcontinent. The obtained data contribute to the accumulation of knowledge on the genetic diversity and prevalence of APMVs in wild bird populations.
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Affiliation(s)
- Kobey Karamendin
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan.
| | - Aidyn Kydyrmanov
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan.
| | - Aigerim Seidalina
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan. .,Kazakh National Agrarian University, 8 Abay Str., 050010, Almaty, Kazakhstan.
| | - Saule Asanova
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan.
| | - Klara Daulbayeva
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan.
| | - Yermukhammet Kasymbekov
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan. .,Kazakh National Agrarian University, 8 Abay Str., 050010, Almaty, Kazakhstan.
| | - Elizaveta Khan
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan. .,Kazakh National Agrarian University, 8 Abay Str., 050010, Almaty, Kazakhstan.
| | - Sasan Fereidouni
- Friedrich Loeffler Institute, Greifswald, Insel Riems, Germany. .,WESCA Wildlife Network, Greifswald, Germany. .,Present Address: University of Veterinary Medicine Vienna, Research Institute of Wildlife Ecology, Vienna, Austria.
| | - Elke Starick
- Friedrich Loeffler Institute, Greifswald, Insel Riems, Germany.
| | - Kainar Zhumatov
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan.
| | - Marat Sayatov
- Institute of Microbiology and Virology, 103 Bogenbay batyr Str, Almaty, 050010, Kazakhstan.
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16
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Complete Genome Sequence of Avian Paramyxovirus Strain APMV-6/red-crested pochard/Balkhash/5842/2013 from Kazakhstan. GENOME ANNOUNCEMENTS 2015; 3:3/4/e00158-15. [PMID: 26184926 PMCID: PMC4505114 DOI: 10.1128/genomea.00158-15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
An avian paramyxovirus 6 strain was isolated during a wild bird monitoring study in Kazakhstan in 2013. The virus was isolated from a wild duck red-crested pochard (Netta rufina) in southeastern Kazakhstan. Here, we present the complete genome sequence of the virus.
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17
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Gogoi P, Ganar K, Kumar S. Avian Paramyxovirus: A Brief Review. Transbound Emerg Dis 2015; 64:53-67. [DOI: 10.1111/tbed.12355] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Indexed: 12/01/2022]
Affiliation(s)
- P. Gogoi
- Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati India
| | - K. Ganar
- Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati India
| | - S. Kumar
- Department of Biosciences and Bioengineering; Indian Institute of Technology Guwahati; Guwahati India
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18
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Yamamoto E, Ito H, Tomioka Y, Ito T. Characterization of novel avian paramyxovirus strain APMV/Shimane67 isolated from migratory wild geese in Japan. J Vet Med Sci 2015; 77:1079-85. [PMID: 25866408 PMCID: PMC4591148 DOI: 10.1292/jvms.14-0529] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
An avian paramyxovirus (APMV) isolated from goose feces (APMV/Shimane67) was
biologically, serologically and genetically characterized. APMV/Shimane67 showed typical
paramyxovirus morphology on electron microscopy. On hemagglutination inhibition test,
antiserum against APMV/Shimane67 revealed low reactivity with other APMV serotypes and
vice versa. The fusion (F) protein gene of APMV/Shimane67 contained
1,638 nucleotides in a single open reading frame encoding a protein of 545 amino acids.
The cleavage site of F protein contained a pair of single basic amino
acid (VRENR/L). The nucleotide and deduced amino acid sequences of the F gene
of APMV/Shimane67 had relatively low identities (42.9–62.7% and 28.9–67.3%, respectively)
with those of other APMVs. Phylogenetic analysis showed that APMV/Shimane67 was related to
NDV, APMV-9 and APMV-12, but was distinct from those APMV serotypes. These results suggest
that APMV/Shimane67 is a new APMV serotype, APMV-13.
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Affiliation(s)
- Eiji Yamamoto
- United Graduate School of Veterinary Sciences, Yamaguchi University, Yamaguchi 753-8515, Japan
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19
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Paldurai A, Xiao S, Kim SH, Kumar S, Nayak B, Samal S, Collins PL, Samal SK. Effects of naturally occurring six- and twelve-nucleotide inserts on Newcastle disease virus replication and pathogenesis. PLoS One 2014; 9:e103951. [PMID: 25093330 PMCID: PMC4122465 DOI: 10.1371/journal.pone.0103951] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 07/03/2014] [Indexed: 01/10/2023] Open
Abstract
Newcastle disease virus (NDV) isolates contain genomes of 15,186, 15,192 or 15,198 nucleotides (nt). The length differences reflect a 6-nt insert in the 5′ (downstream) non-translated region (NTR) of the N gene (15,192-nt genome) or a 12-nt insert in the ORF encoding the P and V proteins (causing a 4-amino acid insert; 15,198-nt genome). We evaluated the role of these inserts in the N and P genes on viral replication and pathogenicity by inserting them into genomes of two NDV strains that have natural genome lengths of 15,186 nt and represent two different pathotypes, namely the mesogenic strain Beaudette C (BC) and the velogenic strain GB Texas (GBT). Our results showed that the 6-nt and 12-nt inserts did not detectably affect N gene expression or P protein function. The inserts had no effect on the replication or virulence of the highly virulent GBT strain but showed modest degree of attenuation in mesogenic strain BC. We also deleted a naturally-occurring 6-nt insertion in the N gene from a highly virulent 15,192-nt genome-length virus, strain Banjarmasin. This resulted in reduced replication in vitro and reduced virulence in vivo. Thus, although these inserts had no evident effect on gene expression, protein function, or replication in vivo, they did affect virulence in two of the three tested strains.
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Affiliation(s)
- Anandan Paldurai
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Sa Xiao
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Shin-Hee Kim
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Sachin Kumar
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Baibaswata Nayak
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Sweety Samal
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
| | - Peter L. Collins
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, United States of America
| | - Siba K. Samal
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America
- * E-mail:
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Bui VN, Mizutani T, Nguyen TH, Trinh DQ, Awad SSA, Minoungou GL, Yamamoto Y, Nakamura K, Saito K, Watanabe Y, Runstadler J, Huettmann F, Ogawa H, Imai K. Characterization of a genetic and antigenic variant of avian paramyxovirus 6 isolated from a migratory wild bird, the red-necked stint (Calidris ruficollis). Arch Virol 2014; 159:3101-5. [DOI: 10.1007/s00705-014-2162-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Accepted: 06/25/2014] [Indexed: 11/27/2022]
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21
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Choi KS, Kye SJ, Kim JY, Seul HJ, Lee HS, Kwon HM, Sung HW. Baculovirus expression of the avian paramyxovirus 2 HN gene for diagnostic applications. J Virol Methods 2014; 198:12-7. [PMID: 24374124 DOI: 10.1016/j.jviromet.2013.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 12/06/2013] [Accepted: 12/16/2013] [Indexed: 12/21/2022]
Abstract
Avian paramyxovirus 2 (APMV-2) infections are associated with respiratory diseases in poultry worldwide. The hemagglutination inhibition (HI) test is a useful tool for surveillance and monitoring of this virus. In this study, full-length hemagglutinin (HN) gene of APMV-2 was chemically synthesized based on its published sequence, cloned and expressed in Spodoptera frugiperda insect cells using recombinant baculoviruses. The biological, antigenic and immunogenic properties of the expressed protein were evaluated to assess its ability to produce diagnostic reagents for HI testing. Recombinant APMV-2 HN protein showed two distinct bands with molecular masses of 64 and 75kDa, which showed hemagglutination (HA) and neuraminidase activities, respectively. The recombinant HN (rHN) protein extracted from infected cells produced high HA titers (2(13) per 25μL). HA activity of the protein was inhibited by APMV-2 antiserum, although there were weak cross reactions with other APMV serotype antisera. The rHN protein induced high titers of APMV-2-specific antibodies in immunized chickens based on the HI test. These results indicated that recombinant APMV-2 HN protein is a useful alternative to the APMV-2 antigen in HI assays.
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Affiliation(s)
- Kang-Seuk Choi
- OIE Reference Laboratory for Newcastle Disease, Avian Diseases Division, Animal and Plant Quarantine Agency, Anyang 430-757, Republic of Korea
| | - Soo-Jeong Kye
- OIE Reference Laboratory for Newcastle Disease, Avian Diseases Division, Animal and Plant Quarantine Agency, Anyang 430-757, Republic of Korea
| | - Ji-Ye Kim
- OIE Reference Laboratory for Newcastle Disease, Avian Diseases Division, Animal and Plant Quarantine Agency, Anyang 430-757, Republic of Korea
| | - Hee-Jeong Seul
- OIE Reference Laboratory for Newcastle Disease, Avian Diseases Division, Animal and Plant Quarantine Agency, Anyang 430-757, Republic of Korea
| | - Hee-Soo Lee
- OIE Reference Laboratory for Newcastle Disease, Avian Diseases Division, Animal and Plant Quarantine Agency, Anyang 430-757, Republic of Korea
| | - Hyuk-Moo Kwon
- College of Veterinary Medicine & Institute of Veterinary Science, Kangwon National University, Chuncheon, Kangwon 200-701, Republic of Korea
| | - Haan-Woo Sung
- College of Veterinary Medicine & Institute of Veterinary Science, Kangwon National University, Chuncheon, Kangwon 200-701, Republic of Korea.
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22
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Evaluation of the replication, pathogenicity, and immunogenicity of avian paramyxovirus (APMV) serotypes 2, 3, 4, 5, 7, and 9 in rhesus macaques. PLoS One 2013; 8:e75456. [PMID: 24130713 PMCID: PMC3794941 DOI: 10.1371/journal.pone.0075456] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Accepted: 08/15/2013] [Indexed: 11/19/2022] Open
Abstract
Avian paramyxoviruses (APMV) serotypes 1–9 are frequently isolated from domestic and wild birds worldwide. APMV-1 (also called Newcastle disease virus, NDV) is attenuated in non-human primates and is being developed as a candidate human vaccine vector. The vector potential of the other serotypes was unknown. In the present study, we evaluated nine different biologically- or recombinantly-derived APMV strains for the ability to replicate and cause disease in rhesus macaque model. Five of the viruses were: biologically-derived wild type (wt) APMV-2, -3, -5, -7 and -9. Another virus was a recombinant (r) version of wt APMV-4. The remaining three viruses were versions of wt rAPMV-2, -4 and -7 in which the F cleavage site had been modified to be multi-basic. Rhesus macaques were inoculated intranasally and intratracheally and monitored for clinical disease, virus shedding from the upper and lower respiratory tract, and seroconversion. Virus shedding was not detected for wt APMV-5. Very limited shedding was detected for wt rAPMV-4 and modified rAPMV-4, and only in a subset of animals. Shedding by the other viruses was detected in every infected animal, and usually from both the upper and lower respiratory tract. In particular, shedding over a number of days in every animal was observed for modified rAPMV-2, wt APMV-7, and modified rAPMV-7. Modification of the F protein cleavage site appeared to increase shedding by wt rAPMV-2 and marginally by wt rAPMV-4. All APMVs except wt APMV-5 induced a virus-specific serum antibody response in all infected animals. None of the animals exhibited any clinical disease signs. These results indicate that APMVs 2, 3, 4, 7, and 9 are competent to infect non-human primates, but are moderately-to-highly restricted, depending on the serotype. This suggests that they are not likely to significantly infect primates in nature, and represent promising attenuated candidates for vector development.
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23
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Complete nucleotide sequence of avian paramyxovirus type 6 strain JL isolated from mallard ducks in China. J Virol 2013; 86:13112. [PMID: 23118446 DOI: 10.1128/jvi.02317-12] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A new strain of avian paramyxovirus type 6 (APMV-6), JL, has been isolated from mallard ducks in China, and its complete genome has been sequenced and analyzed. This work is the first announced complete genome sequence of APMV-6 from mallards.
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Mutations in the fusion protein cleavage site of avian paramyxovirus serotype 4 confer increased replication and syncytium formation in vitro but not increased replication and pathogenicity in chickens and ducks. PLoS One 2013; 8:e50598. [PMID: 23341874 PMCID: PMC3544850 DOI: 10.1371/journal.pone.0050598] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Accepted: 10/26/2012] [Indexed: 11/19/2022] Open
Abstract
To evaluate the role of the F protein cleavage site in the replication and pathogenicity of avian paramyxoviruses (APMVs), we constructed a reverse genetics system for recovery of infectious recombinant APMV-4 from cloned cDNA. The recovered recombinant APMV-4 resembled the biological virus in growth characteristics in vitro and in pathogenicity in vivo. The F cleavage site sequence of APMV-4 (DIQPR↓F) contains a single basic amino acid, at the -1 position. Six mutant APMV-4 viruses were recovered in which the F protein cleavage site was mutated to contain increased numbers of basic amino acids or to mimic the naturally occurring cleavage sites of several paramyxoviruses, including neurovirulent and avirulent strains of NDV. The presence of a glutamine residue at the -3 position was found to be important for mutant virus recovery. In addition, cleavage sites containing the furin protease motif conferred increased replication and syncytium formation in vitro. However, analysis of viral pathogenicity in 9-day-old embryonated chicken eggs, 1-day-old and 2-week-old chickens, and 3-week-old ducks showed that none the F protein cleavage site mutations altered the replication, tropism, and pathogenicity of APMV-4, and no significant differences were observed among the parental and mutant APMV-4 viruses in vivo. Although parental and mutant viruses replicated somewhat better in ducks than in chickens, they all were highly restricted and avirulent in both species. These results suggested that the cleavage site sequence of the F protein is not a limiting determinant of APMV-4 pathogenicity in chickens and ducks.
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Nayak B, Nayak S, Paldurai A, Kumar S, De Nardi R, Terregino C, Collins PL, Samal SK. Evaluation of the genetic diversity of avian paramyxovirus type 4. Virus Res 2012. [PMID: 23178589 DOI: 10.1016/j.virusres.2012.10.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Avian paramyxoviruses (APMVs) belong to the genus Avulavirus in the family Paramyxoviridae and include at least nine serotypes, APMV-1 to -9, as well as two additional provisional serotypes. Newcastle disease virus (NDV), which comprises APMV-1, is the most extensively studied APMV because it is an important poultry pathogen. A moderate level of antigenic and genetic diversity is recognized for APMV-1 isolates, but our knowledge of the antigenic and genetic diversity of the other APMV serotypes is limited. APMV-4 is frequently isolated from waterfowl around the world. To date complete genome sequences of APMV-4 are available for only strains, which were isolated from ducks in Hong Kong, Korea and Belgium over a period of 37 years. We have carried out genome sequencing from the nucleocapsid (N) gene-end signal to the polymerase (L) gene-start signal of five APMV-4 strains recently isolated from Italy. Each of the eight APMV-4 strains has the same F protein cleavage site, DIQPR↓F. They also share a high level of nucleotide and amino acid sequence identity: for example, the F and HN glycoproteins have greater than 97% sequence identity between the various strains. Thus, comparison of these eight strains of APMV-4 did not provide evidence of substantial diversity, in contrast to similar studies with APMV-2, -3, and -6, in which the F and HN glycoproteins exhibited up to 20-30% amino acid sequence variation within a subgroup. Reciprocal cross-HI assay using post infection chicken sera also failed to detect significant antigenic variation among the available APMV-4 strains.
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Affiliation(s)
- Baibaswata Nayak
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742, USA
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Replication, neurotropism, and pathogenicity of avian paramyxovirus serotypes 1-9 in chickens and ducks. PLoS One 2012; 7:e34927. [PMID: 22558104 DOI: 10.1371/journal.pone.0034927] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 03/08/2012] [Indexed: 11/19/2022] Open
Abstract
Avian paramyxovirus (APMV) serotypes 1-9 have been isolated from many different avian species. APMV-1 (Newcastle disease virus) is the only well-characterized serotype, because of the high morbidity, mortality, and economic loss caused by highly virulent strains. Very little is known about the pathogenesis, replication, virulence, and tropism of the other APMV serotypes. Here, this was evaluated for prototypes strains of APMV serotypes 2-9 in cell culture and in chickens and ducks. In cell culture, only APMV-1, -3 and -5 induced syncytium formation. In chicken DF1 cells, APMV-3 replicated with an efficiency approaching that of APMV-1, while APMV-2 and -5 replicated to lower, intermediate titers and the others were much lower. Mean death time (MDT) assay in chicken eggs and intracerebral pathogenicity index (ICPI) test in 1-day-old SPF chicks demonstrated that APMV types 2-9 were avirulent. Evaluation of replication in primary neuronal cells in vitro as well as in the brains of 1-day-old chicks showed that, among types 2-9, only APMV-3 was neurotropic, although this virus was not neurovirulent. Following intranasal infection of 1-day-old and 2-week-old chickens, replication of APMV types 2-9 was mostly restricted to the respiratory tract, although APMV-3 was neuroinvasive and neurotropic (but not neurovirulent) and also was found in the spleen. Experimental intranasal infection of 3-week-old mallard ducks with the APMVs did not produce any clinical signs (even for APMV-1) and exhibited restricted viral replication of the APMVs (including APMV-1) to the upper respiratory tract regardless of their isolation source, indicating avirulence of APMV types 1-9 in mallard ducks. The link between the presence of a furin cleavage site in the F protein, syncytium formation, systemic spread, and virulence that has been well-established with APMV-1 pathotypes was not evident with the other APMV serotypes.
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Mutation of the f-protein cleavage site of avian paramyxovirus type 7 results in furin cleavage, fusion promotion, and increased replication in vitro but not increased replication, tissue tropism, or virulence in chickens. J Virol 2012; 86:3828-38. [PMID: 22258248 DOI: 10.1128/jvi.06765-11] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
We constructed a reverse genetics system for avian paramyxovirus serotype 7 (APMV-7) to investigate the role of the fusion F glycoprotein in tissue tropism and virulence. The AMPV-7 F protein has a single basic residue arginine (R) at position -1 in the F cleavage site sequence and also is unusual in having alanine at position +2 (LPSSR↓FA) (underlining indicates the basic amino acids at the F protein cleavage site, and the arrow indicates the site of cleavage.). APMV-7 does not form syncytia or plaques in cell culture, but its replication in vitro does not depend on, and is not increased by, added protease. Two mutants were successfully recovered in which the cleavage site was modified to mimic sites that are found in virulent Newcastle disease virus isolates and to contain 4 or 5 basic residues as well as isoleucine in the +2 position: (RRQKR↓FI) or (RRKKR↓FI), named Fcs-4B or Fcs-5B, respectively. In cell culture, one of the mutants, Fcs-5B, formed protease-independent syncytia and grew to 10-fold-higher titers compared to the parent and Fcs-4B viruses. This indicated the importance of the single additional basic residue (K) at position -3. Syncytium formation and virus yield of the Fcs-5B virus was impaired by the furin inhibitor decanoyl-RVKR-CMK, whereas parental APMV-7 was not affected. APMV-7 is avirulent in chickens and is limited in tropism to the upper respiratory tract of 1-day-old and 2-week-old chickens, and these characteristics were unchanged for the two mutant viruses. Thus, the acquisition of furin cleavability by APMV-7 resulted in syncytium formation and increased virus yield in vitro but did not alter virus yield, tropism, or virulence in chickens.
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Nayak B, Dias FM, Kumar S, Paldurai A, Collins PL, Samal SK. Avian paramyxovirus serotypes 2-9 (APMV-2-9) vary in the ability to induce protective immunity in chickens against challenge with virulent Newcastle disease virus (APMV-1). Vaccine 2012; 30:2220-7. [PMID: 22222870 DOI: 10.1016/j.vaccine.2011.12.090] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Revised: 12/19/2011] [Accepted: 12/19/2011] [Indexed: 10/14/2022]
Abstract
The avian paramyxoviruses (APMVs) belong to the genus Avulavirus of family Paramyxoviridae. The APMVs are classified into nine serotypes on the basis of hemagglutination inhibition (HI) and neuraminidase inhibition (NI) assays, although some serologic cross-reaction exists. Newcastle disease virus (NDV), which constitutes serotype 1 (APMV-1), is an important pathogen of poultry, but the pathogenic potential of the other APMV serotypes is poorly understood. Although antibodies to APMV -2 to -9 are prevalent in chickens, the effect of prior exposure to these serotypes on susceptibility to NDV infection and disease was not known. In the present study, chickens were immunized with APMV-2 to -9 by the oculo-nasal route and later were challenged by the same route with a highly virulent strain of NDV. Among APMV-2 to -9, only APMV-3 induced serum antibodies that cross-reacted significantly with NDV and had significant NDV-neutralizing activity in vitro. In mock-immunized chickens, challenge NDV replicated throughout the respiratory tract as well as in the brain, spleen, and enteric tract. In contrast, in APMV-3-immunized chickens, challenge NDV replication was restricted to the upper respiratory tract and trachea. Some of the other APMVs also induced partial restriction of challenge NDV replication: for example, challenge NDV was not detected in the brains of APMV-9-immunized chickens, and shedding from the respiratory tract was reduced in chickens immunized with APMV-8 and -9. All of the chickens immunized with APMV-3 survived the NDV challenge; with APMV-2, -7, -8, and -9 the percentage survival was 30%, 20%, 20%, and 52.5%, respectively; whereas none of the chickens immunized with APMV-4, -5, or -6 survived. These results show that prior infection of chickens with APMV-3 induced substantial protection against NDV challenge, whereas prior infection with APMV-2, -7, -8, and -9 can alter subsequent NDV infection. The induction of NDV-neutralizing antibodies was a marker for efficient protection, but partial protection also was observed in their absence.
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Affiliation(s)
- Baibaswata Nayak
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742, USA
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Rosseel T, Lambrecht B, Vandenbussche F, van den Berg T, Van Borm S. Identification and complete genome sequencing of paramyxoviruses in mallard ducks (Anas platyrhynchos) using random access amplification and next generation sequencing technologies. Virol J 2011; 8:463. [PMID: 21978491 PMCID: PMC3219605 DOI: 10.1186/1743-422x-8-463] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Accepted: 10/06/2011] [Indexed: 02/05/2023] Open
Abstract
Background During a wildlife screening program for avian influenza A viruses (AIV) and avian paramyxoviruses (APMV) in Belgium, we isolated two hemagglutinating agents from pools of cloacal swabs of wild mallards (Anas platyrhynchos) caught in a single sampling site at two different times. AIV and APMV1 were excluded using hemagglutination inhibition (HI) testing and specific real-time RT-PCR tests. Methods To refine the virological identification of APMV2-10 realized by HI subtyping tests and in lack of validated molecular tests for APMV2-10, random access amplification was used in combination with next generation sequencing for the sequence independent identification of the viruses and the determination of their genomes. Results Three different APMVs were identified. From one pooled sample, the complete genome sequence (15054 nucleotides) of an APMV4 was assembled from the random sequences. From the second pooled sample, the nearly complete genome sequence of an APMV6 (genome size of 16236 nucleotides) was determined, as well as a partial sequence for an APMV4. This APMV4 was closely related but not identical to the APMV4 isolated from the first sample. Although a cross-reactivity with other APMV subtypes did not allow formal identification, the HI subtyping revealed APMV4 and APMV6 in the respective pooled samples but failed to identify the co-infecting APMV4 in the APMV6 infected pool. Conclusions These data further contribute to the knowledge about the genetic diversity within the serotypes APMV4 and 6, and confirm the limited sensitivity of the HI subtyping test. Moreover, this study demonstrates the value of a random access nucleic acid amplification method in combination with massive parallel sequencing. Using only a moderate and economical sequencing effort, the characterization and full genome sequencing of APMVs can be obtained, including the identification of viruses in mixed infections.
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Affiliation(s)
- Toon Rosseel
- Operational Directorate of Virology, Veterinary and Agrochemical Research Center, Ukkel, Belgium
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Dundon WG, Heidari A, Fusaro A, Monne I, Beato MS, Cattoli G, Koch G, Starick E, Brown IH, Aldous EW, Briand FX, Le Gall-Reculé G, Jestin V, Jørgensen PH, Berg M, Zohari S, Metreveli G, Munir M, Ståhl K, Albina E, Hammoumi S, Gil P, de Almeida RS, Smietanka K, Domańska-Blicharz K, Minta Z, Van Borm S, van den Berg T, Martin AM, Barbieri I, Capua I. Genetic data from avian influenza and avian paramyxoviruses generated by the European network of excellence (EPIZONE) between 2006 and 2011--review and recommendations for surveillance. Vet Microbiol 2011; 154:209-21. [PMID: 21925809 DOI: 10.1016/j.vetmic.2011.08.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2011] [Revised: 08/13/2011] [Accepted: 08/17/2011] [Indexed: 01/29/2023]
Abstract
Since 2006, the members of the molecular epidemiological working group of the European "EPIZONE" network of excellence have been generating sequence data on avian influenza and avian paramyxoviruses from both European and African sources in an attempt to more fully understand the circulation and impact of these viruses. This review presents a timely update on the epidemiological situation of these viruses based on sequence data generated during the lifetime of this project in addition to data produced by other groups during the same period. Based on this information and putting it all into a European context, recommendations for continued surveillance of these important viruses within Europe are presented.
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Affiliation(s)
- William G Dundon
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy.
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Roles of the fusion and hemagglutinin-neuraminidase proteins in replication, tropism, and pathogenicity of avian paramyxoviruses. J Virol 2011; 85:8582-96. [PMID: 21680512 DOI: 10.1128/jvi.00652-11] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Virulent and moderately virulent strains of Newcastle disease virus (NDV), representing avian paramyxovirus serotype 1 (APMV-1), cause respiratory and neurological disease in chickens and other species of birds. In contrast, APMV-2 is avirulent in chickens. We investigated the role of the fusion (F) and hemagglutinin-neuraminidase (HN) envelope glycoproteins in these contrasting phenotypes by designing chimeric viruses in which the F and HN glycoproteins or their ectodomains were exchanged individually or together between the moderately virulent, neurotropic NDV strain Beaudette C (BC) and the avirulent APMV-2 strain Yucaipa. When we attempted to exchange the complete F and HN glycoproteins individually and together between the two viruses, the only construct that could be recovered was recombinant APMV-2 strain Yucaipa (rAPMV-2), containing the NDV F glycoprotein in place of its own. This substitution of NDV F into APMV-2 was sufficient to confer the neurotropic, neuroinvasive, and neurovirulent phenotypes, in spite of all being at reduced levels compared to what was seen for NDV-BC. When the ectodomains of F and HN were exchanged individually and together, two constructs could be recovered: NDV, containing both the F and HN ectodomains of APMV-2; and APMV-2, containing both ectodomains of NDV. This supported the idea that homologous cytoplasmic tails and matched F and HN ectodomains are important for virus replication. Analysis of these viruses for replication in vitro, syncytium formation, mean embryo death time, intracerebral pathogenicity index, and replication and tropism in 1-day-old chicks and 2-week-old chickens showed that the two contrasting phenotypes of NDV and APMV-2 could largely be transferred between the two backbones by transfer of homotypic F and HN ectodomains. Further analysis provided evidence that the homologous stalk domain of NDV HN is essential for virus replication, while the globular head domain of NDV HN could be replaced with that of APMV-2 with only a minimal attenuating effect. These results demonstrate that the F and HN ectodomains together determine the cell fusion, tropism, and virulence phenotypes of NDV and APMV-2 and that the regions of HN that are critical to replication and the species-specific phenotypes include the cytoplasmic tail and stalk domain but not the globular head domain.
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Evaluation of the Newcastle disease virus F and HN proteins in protective immunity by using a recombinant avian paramyxovirus type 3 vector in chickens. J Virol 2011; 85:6521-34. [PMID: 21525340 DOI: 10.1128/jvi.00367-11] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Newcastle disease virus (NDV) belongs to serotype 1 of the avian paramyxoviruses (APMV-1) and causes severe disease in chickens. Current live attenuated NDV vaccines are not fully satisfactory. An alternative is to use a viral vector vaccine that infects chickens but does not cause disease. APMV serotype 3 infects a wide variety of avian species but does not cause any apparent disease in chickens. In this study, we constructed a reverse-genetics system for recovery of infectious APMV-3 strain Netherlands from cloned cDNAs. Two recombinant viruses, rAPMV3-F and rAPMV3-HN, were generated expressing the NDV fusion (F) and hemagglutinin-neuraminidase (HN) proteins, respectively, from added genes. These viruses were used to immunize 2-week-old chickens by the oculonasal route in order to evaluate the contribution of each protein to the induction of NDV-specific neutralizing antibodies and protective immunity. Each virus induced high titers of NDV-specific hemagglutination inhibition and serum neutralizing antibodies, but the response to F protein was greater. Protective immunity was evaluated by challenging the immunized birds 21 days later with virulent NDV via the oculonasal, intramuscular, or intravenous route. With oculonasal or intramuscular challenge, all three recombinant viruses (rAPMV3, rAPMV3-F, and rAPMV3-HN) were protective, while all unvaccinated birds succumbed to death. These results indicated that rAPMV3 alone can provide cross-protection against NDV challenge. However, with intravenous challenge, birds immunized with rAPMV3 were not protected, whereas birds immunized with rAPMV3-F alone or in combination with rAPMV3-HN were completely protected, and birds immunized with rAPMV3-HN alone were partially protected. These results indicate that the NDV F and HN proteins are independent neutralization and protective antigens, but the contribution by F is greater. rAMPV3 represents an avirulent vaccine vector that can be used against NDV and other poultry pathogens.
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Subbiah M, Xiao S, Khattar SK, Dias FM, Collins PL, Samal SK. Pathogenesis of two strains of avian paramyxovirus serotype 2, Yucaipa and Bangor, in chickens and turkeys. Avian Dis 2010; 54:1050-7. [PMID: 20945787 PMCID: PMC3428046 DOI: 10.1637/9380-041910-reg.1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Nine serologic types of avian paramyxovirus (APMV) have been recognized. Newcastle disease virus (APMV-1) is the most extensively characterized virus, while relatively little information is available for the other APMV serotypes. In the present study, we examined the pathogenicity of two strains of APMV-2, Yucaipa and Bangor, in 9-day-old embryonated chicken eggs, 1-day-old specific-pathogen-free (SPF) chicks, and 4-wk-old SPF chickens and turkeys. The mean death time in 9-day-old embryonated chicken eggs was more than 168 hr for both strains, and their intracerebral pathogenicity index (ICPI) was zero, indicating that these viruses are nonpathogenic in chickens. When inoculated intracerebrally in 1-day-old chicks, neither strain caused disease or replicated detectably in the brain. This suggests that the zero ICPI value of APMV-2 reflects the inability of the virus to grow in neural cells. Groups of twelve 4-wk-old SPF chickens and turkeys were inoculated oculonasally with either strain, and three birds per group were euthanatized on days 2, 4, 6, and 14 postinoculation for analysis. There were no overt clinical signs of illnesses, although all birds seroconverted by day 6. The viruses were isolated predominantly from the respiratory and alimentary tracts. Immunohistochemistry studies also showed the presence of a large amount of viral antigens in epithelial linings of respiratory and alimentary tracts. There also was evidence of systemic spread even though the cleavage site of the viral fusion glycoprotein does not contain the canonical furin protease cleavage site.
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Affiliation(s)
- Madhuri Subbiah
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742 USA
| | - Sa Xiao
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742 USA
| | - Sunil K. Khattar
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742 USA
| | - Flavia Militino Dias
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742 USA
| | - Peter L. Collins
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, USA
| | - Siba K. Samal
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20742 USA
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Subbiah M, Nayak S, Collins PL, Samal SK. Complete genome sequences of avian paramyxovirus serotype 2 (APMV-2) strains Bangor, England and Kenya: evidence for the existence of subgroups within serotype 2. Virus Res 2010; 152:85-95. [PMID: 20600395 DOI: 10.1016/j.virusres.2010.06.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2010] [Revised: 06/12/2010] [Accepted: 06/12/2010] [Indexed: 11/17/2022]
Abstract
The complete consensus genome sequences of avian paramyxovirus (APMV) serotype 2 strains Bangor, England and Kenya were determined and compared with those of APMV-2 prototype strain Yucaipa and other paramyxoviruses. The genome lengths of APMV-2 strains Bangor, England and Kenya are 15,024, 14,904, 14,916 nucleotides (nt), respectively, compared to 14,904 nt for Yucaipa. Each genome consists of six non-overlapping genes in the order of (3)(')N-P/V/W-M-F-HN-L(5'), with a 55-nt leader at the 3' end. The length of the trailer at the 5' end of strain Bangor was 173 nt, compared to 154 nt for strains England, Kenya, and Yucaipa. In general, sequence comparison of APMV-2 strains England and Kenya with strain Yucaipa have 94.5 and 88% nt and 96 and 92% aggregate amino acid (aa) identity, respectively. In contrast, strain Bangor has a much lower percent nt identity (70.4, 69.4, and 70.8%) and aa identity (75.3, 76.2, and 76.3%) with strains Yucaipa, England, and Kenya, respectively. Furthermore, strain Bangor has a single basic aa residue ((101)TLPSAR F(108)) at the fusion protein cleavage site compared to the dibasic aa ((93)DKPASR F(100)) found in those of other three strains. Reciprocal cross-hemagglutination inhibition (HI) and cross-neutralization assays using post-infection chicken sera indicated that strain Bangor is antigenically related to the other APMV-2 strains, but with a 4- to 8-fold difference in homologous versus heterologous HI titer. These differences in antigenic relatedness suggest that these four APMV-2 strains represent a single serotype with two antigenic subgroups, and this is strongly supported by the dimorphism in nt and aa sequence identity.
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Affiliation(s)
- Madhuri Subbiah
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, 8075 Greenmead Drive, College Park, MD 20742, USA
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